pax_global_header00006660000000000000000000000064145563143540014524gustar00rootroot0000000000000052 comment=6ca1ab0419e770e6d35a1ef690238773a1dafcee litehtml-litehtml-6ca1ab0/000077500000000000000000000000001455631435400156455ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/.github/000077500000000000000000000000001455631435400172055ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/.github/FUNDING.yml000066400000000000000000000015131455631435400210220ustar00rootroot00000000000000# These are supported funding model platforms github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2] patreon: # Replace with a single Patreon username open_collective: # Replace with a single Open Collective username ko_fi: # Replace with a single Ko-fi username tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry liberapay: # Replace with a single Liberapay username issuehunt: # Replace with a single IssueHunt username otechie: # Replace with a single Otechie username lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry custom: ["http://www.litehtml.com/donate.html"] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2'] litehtml-litehtml-6ca1ab0/.github/workflows/000077500000000000000000000000001455631435400212425ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/.github/workflows/cmake.yml000066400000000000000000000026441455631435400230530ustar00rootroot00000000000000name: CMake on: push: branches: [ master ] pull_request: branches: [ master ] env: # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.) BUILD_TYPE: Release jobs: build: # The CMake configure and build commands are platform agnostic and should work equally # well on Windows or Mac. You can convert this to a matrix build if you need # cross-platform coverage. # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix runs-on: ubuntu-latest steps: - uses: actions/checkout@v2 - name: Configure CMake # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make. # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} - name: Build # Build your program with the given configuration run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} - name: Test working-directory: ${{github.workspace}}/build # Execute tests defined by the CMake configuration. # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail run: ctest -C ${{env.BUILD_TYPE}} --rerun-failed --output-on-failure litehtml-litehtml-6ca1ab0/.gitignore000066400000000000000000000051321455631435400176360ustar00rootroot00000000000000## Ignore Visual Studio temporary files, build results, and ## files generated by popular Visual Studio add-ons. # User-specific files *.suo *.user *.sln.docstates # Build results cmake-build-*/ [Dd]ebug/ [Dd]ebugPublic/ [Rr]elease/ x64/ build/ bld/ [Bb]in/ [Oo]bj/ _build/ _build32/ _build64/ *.inc # Test results *-FAILED.png # MSTest test Results [Tt]est[Rr]esult*/ [Bb]uild[Ll]og.* [Tt]esting/ #NUNIT *.VisualState.xml TestResult.xml # Build Results of an ATL Project [Dd]ebugPS/ [Rr]eleasePS/ dlldata.c *_i.c *_p.c *_i.h *.ilk *.meta *.obj *.pch *.pdb *.pgc *.pgd *.rsp *.sbr *.tlb *.tli *.tlh *.tmp *.tmp_proj *.log *.vspscc *.vssscc .builds *.pidb *.svclog *.scc # Chutzpah Test files _Chutzpah* # Visual C++ cache files ipch/ *.aps *.ncb *.opensdf *.sdf *.cachefile # Visual Studio profiler *.psess *.vsp *.vspx # TFS 2012 Local Workspace $tf/ # Guidance Automation Toolkit *.gpState # ReSharper is a .NET coding add-in _ReSharper*/ *.[Rr]e[Ss]harper *.DotSettings.user # JustCode is a .NET coding addin-in .JustCode # TeamCity is a build add-in _TeamCity* # DotCover is a Code Coverage Tool *.dotCover # NCrunch *.ncrunch* _NCrunch_* .*crunch*.local.xml # MightyMoose *.mm.* AutoTest.Net/ # Web workbench (sass) .sass-cache/ # Installshield output folder [Ee]xpress/ # DocProject is a documentation generator add-in DocProject/buildhelp/ DocProject/Help/*.HxT DocProject/Help/*.HxC DocProject/Help/*.hhc DocProject/Help/*.hhk DocProject/Help/*.hhp DocProject/Help/Html2 DocProject/Help/html # Click-Once directory publish/ # Publish Web Output *.[Pp]ublish.xml *.azurePubxml # NuGet Packages Directory packages/ ## TODO: If the tool you use requires repositories.config uncomment the next line #!packages/repositories.config # Enable "build/" folder in the NuGet Packages folder since NuGet packages use it for MSBuild targets # This line needs to be after the ignore of the build folder (and the packages folder if the line above has been uncommented) !packages/build/ # Windows Azure Build Output csx/ *.build.csdef # Windows Store app package directory AppPackages/ # Others .idea/ .vs/ .vscode/ sql/ *.Cache ClientBin/ [Ss]tyle[Cc]op.* ~$* *~ *.dbmdl *.dbproj.schemaview *.pfx *.publishsettings node_modules/ # RIA/Silverlight projects Generated_Code/ # Backup & report files from converting an old project file to a newer # Visual Studio version. Backup files are not needed, because we have git ;-) _UpgradeReport_Files/ Backup*/ UpgradeLog*.XML UpgradeLog*.htm # SQL Server files *.mdf *.ldf # Business Intelligence projects *.rdl.data *.bim.layout *.bim_*.settings # Microsoft Fakes FakesAssemblies/ litehtml-litehtml-6ca1ab0/CMakeLists.txt000066400000000000000000000152571455631435400204170ustar00rootroot00000000000000cmake_minimum_required(VERSION 3.11) project(litehtml LANGUAGES C CXX) option(LITEHTML_BUILD_TESTING "enable testing for litehtml" ON) if(LITEHTML_BUILD_TESTING) include(CTest) enable_testing() endif() # Soname # MAJOR is incremented when symbols are removed or changed in an incompatible way # MINOR is incremented when new symbols are added set(PROJECT_MAJOR 0) set(PROJECT_MINOR 0) option(EXTERNAL_GUMBO "Link against external gumbo instead of shipping a bundled copy" OFF) if(NOT EXTERNAL_GUMBO) add_subdirectory(src/gumbo) endif() set(SOURCE_LITEHTML src/codepoint.cpp src/css_length.cpp src/css_selector.cpp src/document.cpp src/document_container.cpp src/el_anchor.cpp src/el_base.cpp src/el_before_after.cpp src/el_body.cpp src/el_break.cpp src/el_cdata.cpp src/el_comment.cpp src/el_div.cpp src/element.cpp src/el_font.cpp src/el_image.cpp src/el_link.cpp src/el_para.cpp src/el_script.cpp src/el_space.cpp src/el_style.cpp src/el_table.cpp src/el_td.cpp src/el_text.cpp src/el_title.cpp src/el_tr.cpp src/html.cpp src/html_tag.cpp src/iterators.cpp src/media_query.cpp src/style.cpp src/stylesheet.cpp src/table.cpp src/tstring_view.cpp src/url.cpp src/url_path.cpp src/utf8_strings.cpp src/web_color.cpp src/num_cvt.cpp src/strtod.cpp src/string_id.cpp src/css_properties.cpp src/line_box.cpp src/css_borders.cpp src/render_item.cpp src/render_block_context.cpp src/render_block.cpp src/render_inline_context.cpp src/render_table.cpp src/render_flex.cpp src/render_image.cpp src/formatting_context.cpp src/flex_item.cpp src/flex_line.cpp) set(HEADER_LITEHTML include/litehtml.h include/litehtml/background.h include/litehtml/borders.h include/litehtml/codepoint.h include/litehtml/css_length.h include/litehtml/css_margins.h include/litehtml/css_offsets.h include/litehtml/css_position.h include/litehtml/css_selector.h include/litehtml/document.h include/litehtml/document_container.h include/litehtml/el_anchor.h include/litehtml/el_base.h include/litehtml/el_before_after.h include/litehtml/el_body.h include/litehtml/el_break.h include/litehtml/el_cdata.h include/litehtml/el_comment.h include/litehtml/el_div.h include/litehtml/el_font.h include/litehtml/el_image.h include/litehtml/el_link.h include/litehtml/el_para.h include/litehtml/el_script.h include/litehtml/el_space.h include/litehtml/el_style.h include/litehtml/el_table.h include/litehtml/el_td.h include/litehtml/el_text.h include/litehtml/el_title.h include/litehtml/el_tr.h include/litehtml/element.h include/litehtml/html.h include/litehtml/html_tag.h include/litehtml/iterators.h include/litehtml/media_query.h include/litehtml/os_types.h include/litehtml/style.h include/litehtml/stylesheet.h include/litehtml/table.h include/litehtml/tstring_view.h include/litehtml/types.h include/litehtml/url.h include/litehtml/url_path.h include/litehtml/utf8_strings.h include/litehtml/web_color.h include/litehtml/num_cvt.h include/litehtml/css_properties.h include/litehtml/line_box.h include/litehtml/render_item.h include/litehtml/render_flex.h include/litehtml/render_image.h include/litehtml/render_inline.h include/litehtml/render_table.h include/litehtml/render_inline_context.h include/litehtml/render_block_context.h include/litehtml/render_block.h include/litehtml/master_css.h include/litehtml/string_id.h include/litehtml/formatting_context.h include/litehtml/flex_item.h include/litehtml/flex_line.h ) set(TEST_LITEHTML test/cssTest.cpp test/mediaQueryTest.cpp test/codepoint_test.cpp test/tstring_view_test.cpp test/url_test.cpp test/url_path_test.cpp test/render_test.cpp containers/test/test_container.cpp containers/test/Font.cpp containers/test/Bitmap.cpp containers/test/lodepng.cpp ) set(PROJECT_LIB_VERSION ${PROJECT_MAJOR}.${PROJECT_MINOR}.0) set(PROJECT_SO_VERSION ${PROJECT_MAJOR}) add_library(${PROJECT_NAME} ${SOURCE_LITEHTML}) set_target_properties(${PROJECT_NAME} PROPERTIES VERSION ${PROJECT_LIB_VERSION} SOVERSION ${PROJECT_SO_VERSION}) set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 11 C_STANDARD 99 PUBLIC_HEADER "${HEADER_LITEHTML}" ) # Export litehtml includes. target_include_directories(${PROJECT_NAME} PUBLIC $ $ $) target_include_directories(${PROJECT_NAME} PRIVATE include/${PROJECT_NAME}) # Gumbo target_link_libraries(${PROJECT_NAME} PUBLIC gumbo) # install and export install(TARGETS ${PROJECT_NAME} EXPORT litehtmlTargets RUNTIME DESTINATION bin COMPONENT libraries ARCHIVE DESTINATION lib${LIB_SUFFIX} COMPONENT libraries LIBRARY DESTINATION lib${LIB_SUFFIX} COMPONENT libraries PUBLIC_HEADER DESTINATION include/litehtml ) install(FILES cmake/litehtmlConfig.cmake DESTINATION lib${LIB_SUFFIX}/cmake/litehtml) install(EXPORT litehtmlTargets FILE litehtmlTargets.cmake DESTINATION lib${LIB_SUFFIX}/cmake/litehtml) # Tests if (LITEHTML_BUILD_TESTING) option(EXTERNAL_GTEST "Use external GoogleTest instead of fetching from GitHub" OFF) if (EXTERNAL_GTEST) link_libraries("-Wl,--copy-dt-needed-entries") else() include(FetchContent) FetchContent_Declare( googletest URL https://github.com/google/googletest/archive/609281088cfefc76f9d0ce82e1ff6c30cc3591e5.zip ) # For Windows: Prevent overriding the parent project's compiler/linker settings set(gtest_force_shared_crt ON CACHE BOOL "" FORCE) FetchContent_GetProperties(googletest) if(NOT googletest_POPULATED) FetchContent_Populate(googletest) add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR}) endif() endif() enable_testing() set(TEST_NAME ${PROJECT_NAME}_tests) add_executable( ${TEST_NAME} ${TEST_LITEHTML} ) set_target_properties(${TEST_NAME} PROPERTIES CXX_STANDARD 11 C_STANDARD 99 PUBLIC_HEADER "${HEADER_LITEHTML}" ) target_include_directories( ${TEST_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/containers ) target_link_libraries( ${TEST_NAME} ${PROJECT_NAME} gtest_main ) include(GoogleTest) gtest_discover_tests(${TEST_NAME}) endif() litehtml-litehtml-6ca1ab0/LICENSE000066400000000000000000000027431455631435400166600ustar00rootroot00000000000000Copyright (c) 2013, Yuri Kobets (tordex) All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. litehtml-litehtml-6ca1ab0/README.md000066400000000000000000000062311455631435400171260ustar00rootroot00000000000000# What is litehtml? **litehtml** is the lightweight HTML rendering engine with CSS2/CSS3 support. Note that **litehtml** itself does not draw any text, pictures or other graphics and that **litehtml** does not depend on any image/draw/font library. You are free to use any library to draw images, fonts and any other graphics. **litehtml** just parses HTML/CSS and places the HTML elements into the correct positions (renders HTML). To draw the HTML elements you have to implement the simple callback interface [document_container](https://github.com/litehtml/litehtml/wiki/document_container). This interface is really simple, check it out! The [document_container](https://github.com/litehtml/litehtml/wiki/document_container) implementation is required to render HTML correctly. # Where litehtml can be used **litehtml** can be used when you need to show HTML formatted text or even to create a mini-browser, but using it as a full-featured HTML engine is not recommended. Usually you don't need something like WebKit to show simple HTML tooltips or HTML-formatted text, **litehtml** is much better for these as it's more lightweight and easier to integrate into your application. ## HTML Parser **litehtml** uses the [gumbo-parser](https://github.com/google/gumbo-parser) to parse HTML. Gumbo is an implementation of the HTML5 parsing algorithm implemented as a pure C99 library with no outside dependencies. It's designed to serve as a building block for other tools and libraries such as linters, validators, templating languages, and refactoring and analysis tools. ## Compatibility **litehtml** is compatible with any platform supported by C++ and STL. For Windows MS Visual Studio 2013 is recommended. **litehtml** supports only UTF-8 strings. ## Support for HTML and CSS standards Unfortunately **litehtml** is not fully compatible with HTML/CSS standards. There is lots of work to do to make **litehtml** work as well as modern browsers. But **litehtml** supports most HTML tags and CSS properties. You can find the list of supported CSS properties in [this table](https://docs.google.com/spreadsheet/ccc?key=0AvHXl5n24PuhdHdELUdhaUl4OGlncXhDcDJuM1JpMnc&usp=sharing). For most simple usecases the HTML/CSS features supported by **litehtml** are enough. Right now **litehtml** supports even some pages with very complex HTML/CSS designs. As an example the pages created with [bootstrap framework](http://getbootstrap.com/) are usually well formatted by **litehtml**. ## Testing litehtml You can [download the simple browser](http://www.litehtml.com/download.html) (**litebrowser**) to test the **litehtml** rendering engine. The litebrowser source codes are available on GitHub: * [For Windows](https://github.com/litehtml/litebrowser) * [For Linux](https://github.com/litehtml/litebrowser-linux) * [For Haiku](https://github.com/adamfowleruk/litebrowser-haiku) ## License **litehtml** is distributed under [New BSD License](https://opensource.org/licenses/BSD-3-Clause). The **gumbo-parser** is disributed under [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0) ## Links * [source code](https://github.com/litehtml/litehtml) * [website](http://www.litehtml.com/) litehtml-litehtml-6ca1ab0/cmake/000077500000000000000000000000001455631435400167255ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/cmake/litehtmlConfig.cmake000066400000000000000000000001621455631435400226760ustar00rootroot00000000000000include(CMakeFindDependencyMacro) find_dependency(gumbo) include(${CMAKE_CURRENT_LIST_DIR}/litehtmlTargets.cmake) litehtml-litehtml-6ca1ab0/containers/000077500000000000000000000000001455631435400200125ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/cairo/000077500000000000000000000000001455631435400211075ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/cairo/cairo_container.cpp000066400000000000000000000612061455631435400247570ustar00rootroot00000000000000#include "cairo_container.h" #define _USE_MATH_DEFINES #include #include "cairo_font.h" #include cairo_container::cairo_container(void) { m_temp_surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 2, 2); m_temp_cr = cairo_create(m_temp_surface); m_font_link = NULL; CoCreateInstance(CLSID_CMultiLanguage, NULL, CLSCTX_ALL, IID_IMLangFontLink2, (void**) &m_font_link); InitializeCriticalSection(&m_img_sync); } cairo_container::~cairo_container(void) { clear_images(); if(m_font_link) { m_font_link->Release(); } cairo_surface_destroy(m_temp_surface); cairo_destroy(m_temp_cr); DeleteCriticalSection(&m_img_sync); } litehtml::uint_ptr cairo_container::create_font( const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm ) { std::wstring fnt_name = L"sans-serif"; litehtml::string_vector fonts; litehtml::split_string(faceName, fonts, ","); if(!fonts.empty()) { litehtml::trim(fonts[0]); wchar_t* f = cairo_font::utf8_to_wchar(fonts[0].c_str()); fnt_name = f; delete f; if (fnt_name.front() == L'"' || fnt_name.front() == L'\'') { fnt_name.erase(0, 1); } if (fnt_name.back() == L'"' || fnt_name.back() == L'\'') { fnt_name.erase(fnt_name.length() - 1, 1); } } cairo_font* fnt = new cairo_font( m_font_link, fnt_name.c_str(), size, weight, (italic == litehtml::font_style_italic) ? TRUE : FALSE, (decoration & litehtml::font_decoration_linethrough) ? TRUE : FALSE, (decoration & litehtml::font_decoration_underline) ? TRUE : FALSE); cairo_save(m_temp_cr); fnt->load_metrics(m_temp_cr); if(fm) { fm->ascent = fnt->metrics().ascent; fm->descent = fnt->metrics().descent; fm->height = fnt->metrics().height; fm->x_height = fnt->metrics().x_height; if(italic == litehtml::font_style_italic || decoration) { fm->draw_spaces = true; } else { fm->draw_spaces = false; } } cairo_restore(m_temp_cr); return (litehtml::uint_ptr) fnt; } void cairo_container::delete_font( litehtml::uint_ptr hFont ) { cairo_font* fnt = (cairo_font*) hFont; if(fnt) { delete fnt; } } int cairo_container::text_width( const char* text, litehtml::uint_ptr hFont ) { cairo_font* fnt = (cairo_font*) hFont; cairo_save(m_temp_cr); int ret = fnt->text_width(m_temp_cr, text); cairo_restore(m_temp_cr); return ret; } void cairo_container::draw_text( litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos ) { if(hFont) { cairo_font* fnt = (cairo_font*) hFont; cairo_t* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); int x = pos.left(); int y = pos.bottom() - fnt->metrics().descent; set_color(cr, color); fnt->show_text(cr, x, y, text); cairo_restore(cr); } } int cairo_container::pt_to_px( int pt ) const { HDC dc = GetDC(NULL); int ret = MulDiv(pt, GetDeviceCaps(dc, LOGPIXELSY), 72); ReleaseDC(NULL, dc); return ret; } int cairo_container::get_default_font_size() const { return 16; } void cairo_container::draw_list_marker( litehtml::uint_ptr hdc, const litehtml::list_marker& marker ) { if(!marker.image.empty()) { std::wstring url; make_url_utf8(marker.image.c_str(), marker.baseurl, url); lock_images_cache(); images_map::iterator img_i = m_images.find(url.c_str()); if(img_i != m_images.end()) { if(img_i->second) { draw_txdib((cairo_t*)hdc, img_i->second.get(), marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height); unlock_images_cache(); return; } } unlock_images_cache(); } switch(marker.marker_type) { case litehtml::list_style_type_circle: { draw_ellipse((cairo_t*) hdc, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height, marker.color, 0.5); } break; case litehtml::list_style_type_disc: { fill_ellipse((cairo_t*) hdc, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height, marker.color); } break; case litehtml::list_style_type_square: if(hdc) { cairo_t* cr = (cairo_t*) hdc; cairo_save(cr); cairo_new_path(cr); cairo_rectangle(cr, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height); set_color(cr, marker.color); cairo_fill(cr); cairo_restore(cr); } break; } } void cairo_container::load_image( const char* src, const char* baseurl, bool redraw_on_ready ) { std::wstring url; make_url_utf8(src, baseurl, url); lock_images_cache(); if(m_images.find(url.c_str()) == m_images.end()) { unlock_images_cache(); image_ptr img = get_image(url.c_str(), redraw_on_ready); lock_images_cache(); m_images[url] = img; unlock_images_cache(); } else { unlock_images_cache(); } } void cairo_container::get_image_size( const char* src, const char* baseurl, litehtml::size& sz ) { std::wstring url; make_url_utf8(src, baseurl, url); sz.width = 0; sz.height = 0; lock_images_cache(); images_map::iterator img = m_images.find(url.c_str()); if(img != m_images.end()) { if(img->second) { sz.width = img->second->getWidth(); sz.height = img->second->getHeight(); } } unlock_images_cache(); } void cairo_container::draw_image( litehtml::uint_ptr hdc, const char* src, const char* baseurl, const litehtml::position& pos ) { cairo_t* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); std::wstring url; make_url_utf8(src, baseurl, url); lock_images_cache(); images_map::iterator img = m_images.find(url.c_str()); if(img != m_images.end()) { if(img->second) { draw_txdib(cr, img->second.get(), pos.x, pos.y, pos.width, pos.height); } } unlock_images_cache(); cairo_restore(cr); } void cairo_container::draw_background( litehtml::uint_ptr hdc, const std::vector& bgvec ) { cairo_t* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); const auto& bg = bgvec.back(); rounded_rectangle(cr, bg.border_box, bg.border_radius); cairo_clip(cr); cairo_rectangle(cr, bg.clip_box.x, bg.clip_box.y, bg.clip_box.width, bg.clip_box.height); cairo_clip(cr); if(bg.color.alpha) { set_color(cr, bg.color); cairo_paint(cr); } for (int i = (int)bgvec.size() - 1; i >= 0; i--) { const auto& bg = bgvec[i]; cairo_rectangle(cr, bg.clip_box.x, bg.clip_box.y, bg.clip_box.width, bg.clip_box.height); cairo_clip(cr); std::wstring url; make_url_utf8(bg.image.c_str(), bg.baseurl.c_str(), url); lock_images_cache(); auto img_i = m_images.find(url); if (img_i != m_images.end() && img_i->second) { image_ptr bgbmp = img_i->second; image_ptr new_img; if (bg.image_size.width != bgbmp->getWidth() || bg.image_size.height != bgbmp->getHeight()) { new_img = image_ptr(new CTxDIB); bgbmp->resample(bg.image_size.width, bg.image_size.height, new_img.get()); bgbmp = new_img; } cairo_surface_t* img = cairo_image_surface_create_for_data((unsigned char*)bgbmp->getBits(), CAIRO_FORMAT_ARGB32, bgbmp->getWidth(), bgbmp->getHeight(), bgbmp->getWidth() * 4); cairo_pattern_t* pattern = cairo_pattern_create_for_surface(img); cairo_matrix_t flib_m; cairo_matrix_init(&flib_m, 1, 0, 0, -1, 0, 0); cairo_matrix_translate(&flib_m, -bg.position_x, -bg.position_y); cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT); cairo_pattern_set_matrix(pattern, &flib_m); switch (bg.repeat) { case litehtml::background_repeat_no_repeat: draw_txdib(cr, bgbmp.get(), bg.position_x, bg.position_y, bgbmp->getWidth(), bgbmp->getHeight()); break; case litehtml::background_repeat_repeat_x: cairo_set_source(cr, pattern); cairo_rectangle(cr, bg.clip_box.left(), bg.position_y, bg.clip_box.width, bgbmp->getHeight()); cairo_fill(cr); break; case litehtml::background_repeat_repeat_y: cairo_set_source(cr, pattern); cairo_rectangle(cr, bg.position_x, bg.clip_box.top(), bgbmp->getWidth(), bg.clip_box.height); cairo_fill(cr); break; case litehtml::background_repeat_repeat: cairo_set_source(cr, pattern); cairo_rectangle(cr, bg.clip_box.left(), bg.clip_box.top(), bg.clip_box.width, bg.clip_box.height); cairo_fill(cr); break; } cairo_pattern_destroy(pattern); cairo_surface_destroy(img); } unlock_images_cache(); } cairo_restore(cr); } bool cairo_container::add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg) { if(rx > 0 && ry > 0) { cairo_save(cr); cairo_translate(cr, x, y); cairo_scale(cr, 1, ry / rx); cairo_translate(cr, -x, -y); if(neg) { cairo_arc_negative(cr, x, y, rx, a1, a2); } else { cairo_arc(cr, x, y, rx, a1, a2); } cairo_restore(cr); return true; } return false; } void cairo_container::draw_borders( litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root ) { cairo_t* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); cairo_new_path(cr); int bdr_top = 0; int bdr_bottom = 0; int bdr_left = 0; int bdr_right = 0; if(borders.top.width != 0 && borders.top.style > litehtml::border_style_hidden) { bdr_top = (int) borders.top.width; } if(borders.bottom.width != 0 && borders.bottom.style > litehtml::border_style_hidden) { bdr_bottom = (int) borders.bottom.width; } if(borders.left.width != 0 && borders.left.style > litehtml::border_style_hidden) { bdr_left = (int) borders.left.width; } if(borders.right.width != 0 && borders.right.style > litehtml::border_style_hidden) { bdr_right = (int) borders.right.width; } // draw right border if (bdr_right) { set_color(cr, borders.right.color); double r_top = (double) borders.radius.top_right_x; double r_bottom = (double) borders.radius.bottom_right_x; if(r_top) { double end_angle = 2.0 * M_PI; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_top / (double) bdr_right + 0.5); if (!add_path_arc(cr, draw_pos.right() - r_top, draw_pos.top() + r_top, r_top - bdr_right, r_top - bdr_right + (bdr_right - bdr_top), end_angle, start_angle, true)) { cairo_move_to(cr, draw_pos.right() - bdr_right, draw_pos.top() + bdr_top); } if (!add_path_arc(cr, draw_pos.right() - r_top, draw_pos.top() + r_top, r_top, r_top, start_angle, end_angle, false)) { cairo_line_to(cr, draw_pos.right(), draw_pos.top()); } } else { cairo_move_to(cr, draw_pos.right() - bdr_right, draw_pos.top() + bdr_top); cairo_line_to(cr, draw_pos.right(), draw_pos.top()); } if(r_bottom) { cairo_line_to(cr, draw_pos.right(), draw_pos.bottom() - r_bottom); double start_angle = 0; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_bottom / (double) bdr_right + 0.5); if (!add_path_arc(cr, draw_pos.right() - r_bottom, draw_pos.bottom() - r_bottom, r_bottom, r_bottom, start_angle, end_angle, false)) { cairo_line_to(cr, draw_pos.right(), draw_pos.bottom()); } if (!add_path_arc(cr, draw_pos.right() - r_bottom, draw_pos.bottom() - r_bottom, r_bottom - bdr_right, r_bottom - bdr_right + (bdr_right - bdr_bottom), end_angle, start_angle, true)) { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.bottom() - bdr_bottom); } } else { cairo_line_to(cr, draw_pos.right(), draw_pos.bottom()); cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.bottom() - bdr_bottom); } cairo_fill(cr); } // draw bottom border if(bdr_bottom) { set_color(cr, borders.bottom.color); double r_left = borders.radius.bottom_left_x; double r_right = borders.radius.bottom_right_x; if(r_left) { double start_angle = M_PI / 2.0; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_left / (double) bdr_bottom + 0.5); if (!add_path_arc(cr, draw_pos.left() + r_left, draw_pos.bottom() - r_left, r_left - bdr_bottom + (bdr_bottom - bdr_left), r_left - bdr_bottom, start_angle, end_angle, false)) { cairo_move_to(cr, draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom); } if (!add_path_arc(cr, draw_pos.left() + r_left, draw_pos.bottom() - r_left, r_left, r_left, end_angle, start_angle, true)) { cairo_line_to(cr, draw_pos.left(), draw_pos.bottom()); } } else { cairo_move_to(cr, draw_pos.left(), draw_pos.bottom()); cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom); } if(r_right) { cairo_line_to(cr, draw_pos.right() - r_right, draw_pos.bottom()); double end_angle = M_PI / 2.0; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_right / (double) bdr_bottom + 0.5); if (!add_path_arc(cr, draw_pos.right() - r_right, draw_pos.bottom() - r_right, r_right, r_right, end_angle, start_angle, true)) { cairo_line_to(cr, draw_pos.right(), draw_pos.bottom()); } if (!add_path_arc(cr, draw_pos.right() - r_right, draw_pos.bottom() - r_right, r_right - bdr_bottom + (bdr_bottom - bdr_right), r_right - bdr_bottom, start_angle, end_angle, false)) { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.bottom() - bdr_bottom); } } else { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.bottom() - bdr_bottom); cairo_line_to(cr, draw_pos.right(), draw_pos.bottom()); } cairo_fill(cr); } // draw top border if(bdr_top) { set_color(cr, borders.top.color); double r_left = borders.radius.top_left_x; double r_right = borders.radius.top_right_x; if(r_left) { double end_angle = M_PI * 3.0 / 2.0; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_left / (double) bdr_top + 0.5); if (!add_path_arc(cr, draw_pos.left() + r_left, draw_pos.top() + r_left, r_left, r_left, end_angle, start_angle, true)) { cairo_move_to(cr, draw_pos.left(), draw_pos.top()); } if (!add_path_arc(cr, draw_pos.left() + r_left, draw_pos.top() + r_left, r_left - bdr_top + (bdr_top - bdr_left), r_left - bdr_top, start_angle, end_angle, false)) { cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.top() + bdr_top); } } else { cairo_move_to(cr, draw_pos.left(), draw_pos.top()); cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.top() + bdr_top); } if(r_right) { cairo_line_to(cr, draw_pos.right() - r_right, draw_pos.top() + bdr_top); double start_angle = M_PI * 3.0 / 2.0; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_right / (double) bdr_top + 0.5); if (!add_path_arc(cr, draw_pos.right() - r_right, draw_pos.top() + r_right, r_right - bdr_top + (bdr_top - bdr_right), r_right - bdr_top, start_angle, end_angle, false)) { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.top() + bdr_top); } if (!add_path_arc(cr, draw_pos.right() - r_right, draw_pos.top() + r_right, r_right, r_right, end_angle, start_angle, true)) { cairo_line_to(cr, draw_pos.right(), draw_pos.top()); } } else { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.top() + bdr_top); cairo_line_to(cr, draw_pos.right(), draw_pos.top()); } cairo_fill(cr); } // draw left border if (bdr_left) { set_color(cr, borders.left.color); double r_top = borders.radius.top_left_x; double r_bottom = borders.radius.bottom_left_x; if(r_top) { double start_angle = M_PI; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_top / (double) bdr_left + 0.5); if (!add_path_arc(cr, draw_pos.left() + r_top, draw_pos.top() + r_top, r_top - bdr_left, r_top - bdr_left + (bdr_left - bdr_top), start_angle, end_angle, false)) { cairo_move_to(cr, draw_pos.left() + bdr_left, draw_pos.top() + bdr_top); } if (!add_path_arc(cr, draw_pos.left() + r_top, draw_pos.top() + r_top, r_top, r_top, end_angle, start_angle, true)) { cairo_line_to(cr, draw_pos.left(), draw_pos.top()); } } else { cairo_move_to(cr, draw_pos.left() + bdr_left, draw_pos.top() + bdr_top); cairo_line_to(cr, draw_pos.left(), draw_pos.top()); } if(r_bottom) { cairo_line_to(cr, draw_pos.left(), draw_pos.bottom() - r_bottom); double end_angle = M_PI; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_bottom / (double) bdr_left + 0.5); if (!add_path_arc(cr, draw_pos.left() + r_bottom, draw_pos.bottom() - r_bottom, r_bottom, r_bottom, end_angle, start_angle, true)) { cairo_line_to(cr, draw_pos.left(), draw_pos.bottom()); } if (!add_path_arc(cr, draw_pos.left() + r_bottom, draw_pos.bottom() - r_bottom, r_bottom - bdr_left, r_bottom - bdr_left + (bdr_left - bdr_bottom), start_angle, end_angle, false)) { cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom); } } else { cairo_line_to(cr, draw_pos.left(), draw_pos.bottom()); cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom); } cairo_fill(cr); } cairo_restore(cr); } void cairo_container::set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) { m_clips.emplace_back(pos, bdr_radius); } void cairo_container::del_clip() { if(!m_clips.empty()) { m_clips.pop_back(); } } void cairo_container::apply_clip( cairo_t* cr ) { for(const auto& clip_box : m_clips) { rounded_rectangle(cr, clip_box.box, clip_box.radius); cairo_clip(cr); } } void cairo_container::draw_ellipse( cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color, double line_width ) { if(!cr) return; cairo_save(cr); apply_clip(cr); cairo_new_path(cr); cairo_translate (cr, x + width / 2.0, y + height / 2.0); cairo_scale (cr, width / 2.0, height / 2.0); cairo_arc (cr, 0, 0, 1, 0, 2 * M_PI); set_color(cr, color); cairo_set_line_width(cr, line_width); cairo_stroke(cr); cairo_restore(cr); } void cairo_container::fill_ellipse( cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color ) { if(!cr) return; cairo_save(cr); apply_clip(cr); cairo_new_path(cr); cairo_translate (cr, x + width / 2.0, y + height / 2.0); cairo_scale (cr, width / 2.0, height / 2.0); cairo_arc (cr, 0, 0, 1, 0, 2 * M_PI); set_color(cr, color); cairo_fill(cr); cairo_restore(cr); } void cairo_container::clear_images() { lock_images_cache(); m_images.clear(); unlock_images_cache(); } const char* cairo_container::get_default_font_name() const { return "Times New Roman"; } void cairo_container::draw_txdib( cairo_t* cr, CTxDIB* bmp, int x, int y, int cx, int cy ) { cairo_save(cr); cairo_matrix_t flib_m; cairo_matrix_init(&flib_m, 1, 0, 0, -1, 0, 0); cairo_surface_t* img = NULL; CTxDIB rbmp; if(cx != bmp->getWidth() || cy != bmp->getHeight()) { bmp->resample(cx, cy, &rbmp); img = cairo_image_surface_create_for_data((unsigned char*) rbmp.getBits(), CAIRO_FORMAT_ARGB32, rbmp.getWidth(), rbmp.getHeight(), rbmp.getWidth() * 4); cairo_matrix_translate(&flib_m, 0, -rbmp.getHeight()); cairo_matrix_translate(&flib_m, x, -y); } else { img = cairo_image_surface_create_for_data((unsigned char*) bmp->getBits(), CAIRO_FORMAT_ARGB32, bmp->getWidth(), bmp->getHeight(), bmp->getWidth() * 4); cairo_matrix_translate(&flib_m, 0, -bmp->getHeight()); cairo_matrix_translate(&flib_m, x, -y); } cairo_transform(cr, &flib_m); cairo_set_source_surface(cr, img, 0, 0); cairo_paint(cr); cairo_restore(cr); cairo_surface_destroy(img); } void cairo_container::rounded_rectangle(cairo_t* cr, const litehtml::position& pos, const litehtml::border_radiuses& radius) { cairo_new_path(cr); if(radius.top_left_x) { cairo_arc(cr, pos.left() + radius.top_left_x, pos.top() + radius.top_left_x, radius.top_left_x, M_PI, M_PI * 3.0 / 2.0); } else { cairo_move_to(cr, pos.left(), pos.top()); } cairo_line_to(cr, pos.right() - radius.top_right_x, pos.top()); if(radius.top_right_x) { cairo_arc(cr, pos.right() - radius.top_right_x, pos.top() + radius.top_right_x, radius.top_right_x, M_PI * 3.0 / 2.0, 2.0 * M_PI); } cairo_line_to(cr, pos.right(), pos.bottom() - radius.bottom_right_x); if(radius.bottom_right_x) { cairo_arc(cr, pos.right() - radius.bottom_right_x, pos.bottom() - radius.bottom_right_x, radius.bottom_right_x, 0, M_PI / 2.0); } cairo_line_to(cr, pos.left() - radius.bottom_left_x, pos.bottom()); if(radius.bottom_left_x) { cairo_arc(cr, pos.left() + radius.bottom_left_x, pos.bottom() - radius.bottom_left_x, radius.bottom_left_x, M_PI / 2.0, M_PI); } } void cairo_container::remove_image( std::wstring& url ) { lock_images_cache(); images_map::iterator i = m_images.find(url); if(i != m_images.end()) { m_images.erase(i); } unlock_images_cache(); } void cairo_container::add_image(std::wstring& url, image_ptr& img) { lock_images_cache(); images_map::iterator i = m_images.find(url); if(i != m_images.end()) { if(img) { i->second = img; } else { m_images.erase(i); } } unlock_images_cache(); } void cairo_container::lock_images_cache() { EnterCriticalSection(&m_img_sync); } void cairo_container::unlock_images_cache() { LeaveCriticalSection(&m_img_sync); } std::shared_ptr cairo_container::create_element(const char* tag_name, const litehtml::string_map& attributes, const std::shared_ptr& doc) { return 0; } void cairo_container::get_media_features(litehtml::media_features& media) const { litehtml::position client; get_client_rect(client); HDC hdc = GetDC(NULL); media.type = litehtml::media_type_screen; media.width = client.width; media.height = client.height; media.color = 8; media.monochrome = 0; media.color_index = 256; media.resolution = GetDeviceCaps(hdc, LOGPIXELSX); media.device_width = GetDeviceCaps(hdc, HORZRES); media.device_height = GetDeviceCaps(hdc, VERTRES); ReleaseDC(NULL, hdc); } void cairo_container::get_language(litehtml::string& language, litehtml::string & culture) const { language = "en"; culture = ""; } void cairo_container::make_url_utf8( const char* url, const char* basepath, std::wstring& out ) { wchar_t* urlW = cairo_font::utf8_to_wchar(url); wchar_t* basepathW = cairo_font::utf8_to_wchar(basepath); make_url(urlW, basepathW, out); if(urlW) delete urlW; if(basepathW) delete basepathW; } void cairo_container::transform_text( litehtml::string& text, litehtml::text_transform tt ) { if(text.empty()) return; LPWSTR txt = cairo_font::utf8_to_wchar(text.c_str()); switch(tt) { case litehtml::text_transform_capitalize: CharUpperBuff(txt, 1); break; case litehtml::text_transform_uppercase: CharUpperBuff(txt, lstrlen(txt)); break; case litehtml::text_transform_lowercase: CharLowerBuff(txt, lstrlen(txt)); break; } LPSTR txtA = cairo_font::wchar_to_utf8(txt); text = txtA; delete txtA; delete txt; } void cairo_container::link(const std::shared_ptr& doc, const litehtml::element::ptr& el) { } litehtml::string cairo_container::resolve_color(const litehtml::string& color) const { struct custom_color { const char* name; int color_index; }; static custom_color colors[] = { { "ActiveBorder", COLOR_ACTIVEBORDER}, { "ActiveCaption", COLOR_ACTIVECAPTION}, { "AppWorkspace", COLOR_APPWORKSPACE }, { "Background", COLOR_BACKGROUND }, { "ButtonFace", COLOR_BTNFACE }, { "ButtonHighlight", COLOR_BTNHIGHLIGHT }, { "ButtonShadow", COLOR_BTNSHADOW }, { "ButtonText", COLOR_BTNTEXT }, { "CaptionText", COLOR_CAPTIONTEXT }, { "GrayText", COLOR_GRAYTEXT }, { "Highlight", COLOR_HIGHLIGHT }, { "HighlightText", COLOR_HIGHLIGHTTEXT }, { "InactiveBorder", COLOR_INACTIVEBORDER }, { "InactiveCaption", COLOR_INACTIVECAPTION }, { "InactiveCaptionText", COLOR_INACTIVECAPTIONTEXT }, { "InfoBackground", COLOR_INFOBK }, { "InfoText", COLOR_INFOTEXT }, { "Menu", COLOR_MENU }, { "MenuText", COLOR_MENUTEXT }, { "Scrollbar", COLOR_SCROLLBAR }, { "ThreeDDarkShadow", COLOR_3DDKSHADOW }, { "ThreeDFace", COLOR_3DFACE }, { "ThreeDHighlight", COLOR_3DHILIGHT }, { "ThreeDLightShadow", COLOR_3DLIGHT }, { "ThreeDShadow", COLOR_3DSHADOW }, { "Window", COLOR_WINDOW }, { "WindowFrame", COLOR_WINDOWFRAME }, { "WindowText", COLOR_WINDOWTEXT } }; for (auto& clr : colors) { if (!litehtml::t_strcasecmp(clr.name, color.c_str())) { char str_clr[20]; DWORD rgb_color = GetSysColor(clr.color_index); StringCchPrintfA(str_clr, 20, "#%02X%02X%02X", GetRValue(rgb_color), GetGValue(rgb_color), GetBValue(rgb_color)); return std::move(litehtml::string(str_clr)); } } return std::move(litehtml::string()); } litehtml-litehtml-6ca1ab0/containers/cairo/cairo_container.h000066400000000000000000000111351455631435400244200ustar00rootroot00000000000000#pragma once #include #include #include #include #include #include #include #include "cairo.h" #include "cairo-win32.h" #include #include #include struct cairo_clip_box { typedef std::vector vector; litehtml::position box; litehtml::border_radiuses radius; cairo_clip_box(const litehtml::position& vBox, litehtml::border_radiuses vRad) { box = vBox; radius = vRad; } cairo_clip_box(const cairo_clip_box& val) { box = val.box; radius = val.radius; } cairo_clip_box& operator=(const cairo_clip_box& val) { box = val.box; radius = val.radius; return *this; } }; class cairo_container : public litehtml::document_container { public: typedef std::shared_ptr image_ptr; typedef std::map images_map; protected: cairo_surface_t* m_temp_surface; cairo_t* m_temp_cr; images_map m_images; cairo_clip_box::vector m_clips; IMLangFontLink2* m_font_link; CRITICAL_SECTION m_img_sync; public: cairo_container(void); virtual ~cairo_container(void); virtual litehtml::uint_ptr create_font(const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override; virtual void delete_font(litehtml::uint_ptr hFont) override; virtual int text_width(const char* text, litehtml::uint_ptr hFont) override; virtual void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override; virtual int pt_to_px(int pt) const override; virtual int get_default_font_size() const override; virtual const char* get_default_font_name() const override; virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override; virtual void load_image(const char* src, const char* baseurl, bool redraw_on_ready) override; virtual void get_image_size(const char* src, const char* baseurl, litehtml::size& sz) override; virtual void draw_image(litehtml::uint_ptr hdc, const char* src, const char* baseurl, const litehtml::position& pos); virtual void draw_background(litehtml::uint_ptr hdc, const std::vector& bg) override; virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override; virtual void transform_text(litehtml::string& text, litehtml::text_transform tt) override; virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) override; virtual void del_clip() override; virtual std::shared_ptr create_element(const char* tag_name, const litehtml::string_map& attributes, const std::shared_ptr& doc) override; virtual void get_media_features(litehtml::media_features& media) const override; virtual void get_language(litehtml::string& language, litehtml::string& culture) const override; virtual void link(const std::shared_ptr& doc, const litehtml::element::ptr& el) override; virtual litehtml::string resolve_color(const litehtml::string& color) const override; virtual void make_url( LPCWSTR url, LPCWSTR basepath, std::wstring& out ) = 0; virtual image_ptr get_image(LPCWSTR url, bool redraw_on_ready) = 0; void clear_images(); void add_image(std::wstring& url, image_ptr& img); void remove_image(std::wstring& url); void make_url_utf8( const char* url, const char* basepath, std::wstring& out ); protected: virtual void draw_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color, double line_width); virtual void fill_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color); virtual void rounded_rectangle( cairo_t* cr, const litehtml::position &pos, const litehtml::border_radiuses &radius ); void set_color(cairo_t* cr, litehtml::web_color color) { cairo_set_source_rgba(cr, color.red / 255.0, color.green / 255.0, color.blue / 255.0, color.alpha / 255.0); } private: simpledib::dib* get_dib(litehtml::uint_ptr hdc) { return (simpledib::dib*) hdc; } void apply_clip(cairo_t* cr); bool add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg); void draw_txdib(cairo_t* cr, CTxDIB* bmp, int x, int y, int cx, int cy); void lock_images_cache(); void unlock_images_cache(); }; litehtml-litehtml-6ca1ab0/containers/cairo/cairo_font.cpp000066400000000000000000000170331455631435400237420ustar00rootroot00000000000000#include "cairo_font.h" cairo_font::cairo_font(IMLangFontLink2* fl, HFONT hFont, int size ) { init(); m_font_link = fl; if(m_font_link) { m_font_link->AddRef(); } m_size = size; set_font(hFont); } cairo_font::cairo_font(IMLangFontLink2* fl, LPCWSTR facename, int size, int weight, BOOL italic, BOOL strikeout, BOOL underline ) { init(); m_size = size; m_font_link = fl; if(m_font_link) { m_font_link->AddRef(); } LOGFONT lf; ZeroMemory(&lf, sizeof(lf)); if(!lstrcmpi(facename, L"monospace")) { wcscpy_s(lf.lfFaceName, LF_FACESIZE, L"Courier New"); } else if(!lstrcmpi(facename, L"serif")) { wcscpy_s(lf.lfFaceName, LF_FACESIZE, L"Times New Roman"); } else if(!lstrcmpi(facename, L"sans-serif")) { wcscpy_s(lf.lfFaceName, LF_FACESIZE, L"Arial"); } else if(!lstrcmpi(facename, L"fantasy")) { wcscpy_s(lf.lfFaceName, LF_FACESIZE, L"Impact"); } else if(!lstrcmpi(facename, L"cursive")) { wcscpy_s(lf.lfFaceName, LF_FACESIZE, L"Comic Sans MS"); } else { wcscpy_s(lf.lfFaceName, LF_FACESIZE, facename); } lf.lfHeight = -size; lf.lfWeight = weight; lf.lfItalic = italic; lf.lfCharSet = DEFAULT_CHARSET; lf.lfOutPrecision = OUT_DEFAULT_PRECIS; lf.lfClipPrecision = CLIP_DEFAULT_PRECIS; lf.lfQuality = DEFAULT_QUALITY; lf.lfStrikeOut = strikeout; lf.lfUnderline = underline; HFONT fnt = CreateFontIndirect(&lf); set_font(fnt); } cairo_font::~cairo_font() { if(m_font_face) { cairo_font_face_destroy(m_font_face); } for(size_t i = 0; i < m_linked_fonts.size(); i++) { if(m_linked_fonts[i]->hFont) { m_font_link->ReleaseFont(m_linked_fonts[i]->hFont); } if(m_linked_fonts[i]->font_face) { cairo_font_face_destroy(m_linked_fonts[i]->font_face); } } m_linked_fonts.clear(); if(m_font_link) { m_font_link->AddRef(); } if(m_hFont) { DeleteObject(m_hFont); } } void cairo_font::show_text( cairo_t* cr, int x, int y, const char* str ) { lock(); text_chunk::vector chunks; split_text(str, chunks); cairo_set_font_size(cr, m_size); cairo_move_to(cr, x, y); for(size_t i = 0; i < chunks.size(); i++) { if(chunks[i]->font) { cairo_set_font_face(cr, chunks[i]->font->font_face); } else { cairo_set_font_face(cr, m_font_face); } cairo_show_text(cr, chunks[i]->text); } unlock(); if(m_bUnderline) { int tw = text_width(cr, chunks); lock(); cairo_set_line_width(cr, 1); cairo_move_to(cr, x, y + 1.5); cairo_line_to(cr, x + tw, y + 1.5); cairo_stroke(cr); unlock(); } if(m_bStrikeOut) { int tw = text_width(cr, chunks); cairo_font_metrics fm; get_metrics(cr, &fm); int ln_y = y - fm.x_height / 2; lock(); cairo_set_line_width(cr, 1); cairo_move_to(cr, x, (double) ln_y - 0.5); cairo_line_to(cr, x + tw, (double) ln_y - 0.5); cairo_stroke(cr); unlock(); } free_text_chunks(chunks); } void cairo_font::split_text( const char* src, text_chunk::vector& chunks ) { wchar_t* str = cairo_font::utf8_to_wchar(src); wchar_t* str_start = str; int cch = lstrlen(str); HDC hdc = GetDC(NULL); SelectObject(hdc, m_hFont); HRESULT hr = S_OK; while(cch > 0) { DWORD dwActualCodePages; long cchActual; if(m_font_link) { hr = m_font_link->GetStrCodePages(str, cch, m_font_code_pages, &dwActualCodePages, &cchActual); } else { hr = S_FALSE; } if(hr != S_OK) { break; } text_chunk* chk = new text_chunk; int sz = WideCharToMultiByte(CP_UTF8, 0, str, cchActual, chk->text, 0, NULL, NULL) + 1; chk->text = new CHAR[sz]; sz = WideCharToMultiByte(CP_UTF8, 0, str, cchActual, chk->text, sz, NULL, NULL); chk->text[sz] = 0; chk->font = NULL; if(!(dwActualCodePages & m_font_code_pages)) { for(linked_font::vector::iterator i = m_linked_fonts.begin(); i != m_linked_fonts.end(); i++) { if((*i)->code_pages == dwActualCodePages) { chk->font = (*i); break; } } if(!chk->font) { linked_font* lkf = new linked_font; lkf->code_pages = dwActualCodePages; lkf->hFont = NULL; m_font_link->MapFont(hdc, dwActualCodePages, 0, &lkf->hFont); if (lkf->hFont) { lkf->font_face = create_font_face(lkf->hFont); m_linked_fonts.push_back(lkf); } else { delete lkf; lkf = NULL; } chk->font = lkf; } } chunks.push_back(chk); cch -= cchActual; str += cchActual; } if(hr != S_OK) { text_chunk* chk = new text_chunk; int sz = WideCharToMultiByte(CP_UTF8, 0, str, -1, chk->text, 0, NULL, NULL) + 1; chk->text = new CHAR[sz]; sz = WideCharToMultiByte(CP_UTF8, 0, str, -1, chk->text, sz, NULL, NULL); chk->text[sz] = 0; chk->font = NULL; chunks.push_back(chk); } ReleaseDC(NULL, hdc); delete str_start; } void cairo_font::free_text_chunks( text_chunk::vector& chunks ) { for(size_t i = 0; i < chunks.size(); i++) { delete chunks[i]; } chunks.clear(); } cairo_font_face_t* cairo_font::create_font_face( HFONT fnt ) { LOGFONT lf; GetObject(fnt, sizeof(LOGFONT), &lf); return cairo_win32_font_face_create_for_logfontw(&lf); } int cairo_font::text_width( cairo_t* cr, const char* str ) { text_chunk::vector chunks; split_text(str, chunks); int ret = text_width(cr, chunks); free_text_chunks(chunks); return (int) ret; } int cairo_font::text_width( cairo_t* cr, text_chunk::vector& chunks ) { lock(); cairo_set_font_size(cr, m_size); double ret = 0; for(size_t i = 0; i < chunks.size(); i++) { if(chunks[i]->font) { cairo_set_font_face(cr, chunks[i]->font->font_face); } else { cairo_set_font_face(cr, m_font_face); } cairo_text_extents_t ext; cairo_text_extents(cr, chunks[i]->text, &ext); ret += ext.x_advance; } unlock(); return (int) ret; } void cairo_font::get_metrics(cairo_t* cr, cairo_font_metrics* fm ) { lock(); cairo_set_font_face(cr, m_font_face); cairo_set_font_size(cr, m_size); cairo_font_extents_t ext; cairo_font_extents(cr, &ext); cairo_text_extents_t tex; cairo_text_extents(cr, "x", &tex); fm->ascent = (int) ext.ascent; fm->descent = (int) ext.descent; fm->height = (int) (ext.ascent + ext.descent); fm->x_height = (int) tex.height; unlock(); } void cairo_font::set_font( HFONT hFont ) { clear(); m_hFont = hFont; m_font_face = create_font_face(m_hFont); m_font_code_pages = 0; if(m_font_link) { HDC hdc = GetDC(NULL); SelectObject(hdc, m_hFont); m_font_link->GetFontCodePages(hdc, m_hFont, &m_font_code_pages); ReleaseDC(NULL, hdc); } LOGFONT lf; GetObject(m_hFont, sizeof(LOGFONT), &lf); m_bUnderline = lf.lfUnderline; m_bStrikeOut = lf.lfStrikeOut; } void cairo_font::clear() { if(m_font_face) { cairo_font_face_destroy(m_font_face); m_font_face = NULL; } for(size_t i = 0; i < m_linked_fonts.size(); i++) { if(m_linked_fonts[i]->hFont && m_font_link) { m_font_link->ReleaseFont(m_linked_fonts[i]->hFont); } if(m_linked_fonts[i]->font_face) { cairo_font_face_destroy(m_linked_fonts[i]->font_face); } } m_linked_fonts.clear(); if(m_hFont) { DeleteObject(m_hFont); m_hFont = NULL; } } void cairo_font::init() { m_hFont = NULL; m_font_face = NULL; m_font_link = NULL; m_font_code_pages = 0; m_size = 0; m_bUnderline = FALSE; m_bStrikeOut = FALSE; } wchar_t* cairo_font::utf8_to_wchar( const char* src ) { if(!src) return NULL; int len = (int) strlen(src); wchar_t* ret = new wchar_t[len + 1]; MultiByteToWideChar(CP_UTF8, 0, src, -1, ret, len + 1); return ret; } char* cairo_font::wchar_to_utf8( const wchar_t* src ) { if(!src) return NULL; int len = WideCharToMultiByte(CP_UTF8, 0, src, -1, NULL, 0, NULL, NULL); char* ret = new char[len]; WideCharToMultiByte(CP_UTF8, 0, src, -1, ret, len, NULL, NULL); return ret; }litehtml-litehtml-6ca1ab0/containers/cairo/cairo_font.h000066400000000000000000000044771455631435400234170ustar00rootroot00000000000000#pragma once #include #include #include #include #include #include #include #include #include #include struct linked_font { typedef std::vector vector; DWORD code_pages; HFONT hFont; cairo_font_face_t* font_face; }; struct text_chunk { typedef std::vector vector; char* text; linked_font* font; ~text_chunk() { if(text) { delete text; } } }; struct cairo_font_metrics { int height; int ascent; int descent; int x_height; }; class cairo_font { HFONT m_hFont; cairo_font_face_t* m_font_face; IMLangFontLink2* m_font_link; DWORD m_font_code_pages; linked_font::vector m_linked_fonts; int m_size; BOOL m_bUnderline; BOOL m_bStrikeOut; cairo_font_metrics m_metrics; public: // fonts are not thread safe :( // you have to declare and initialize cairo_font::m_sync before the first using. static CRITICAL_SECTION m_sync; cairo_font(IMLangFontLink2* fl, HFONT hFont, int size); cairo_font(IMLangFontLink2* fl, LPCWSTR facename, int size, int weight, BOOL italic, BOOL strikeout, BOOL underline); void init(); ~cairo_font(); void show_text(cairo_t* cr, int x, int y, const char*); int text_width(cairo_t* cr, const char* str); void load_metrics(cairo_t* cr); cairo_font_metrics& metrics(); static wchar_t* utf8_to_wchar(const char* src); static char* wchar_to_utf8(const wchar_t* src); private: void split_text(const char* str, text_chunk::vector& chunks); void free_text_chunks(text_chunk::vector& chunks); cairo_font_face_t* create_font_face(HFONT fnt); void set_font(HFONT hFont); void clear(); int text_width(cairo_t* cr, text_chunk::vector& chunks); void lock(); void unlock(); int round_d(double val); void get_metrics(cairo_t* cr, cairo_font_metrics* fm); }; inline void cairo_font::lock() { EnterCriticalSection(&m_sync); } inline void cairo_font::unlock() { LeaveCriticalSection(&m_sync); } inline int cairo_font::round_d(double val) { int int_val = (int) val; if(val - int_val >= 0.5) { int_val++; } return int_val; } inline cairo_font_metrics& cairo_font::metrics() { return m_metrics; } inline void cairo_font::load_metrics(cairo_t* cr) { get_metrics(cr, &m_metrics); } litehtml-litehtml-6ca1ab0/containers/gdiplus/000077500000000000000000000000001455631435400214615ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/gdiplus/gdiplus_container.cpp000066400000000000000000000152671455631435400257110ustar00rootroot00000000000000#include #include #include "gdiplus_container.h" #pragma comment(lib, "gdiplus.lib") using namespace Gdiplus; using namespace litehtml; gdiplus_container::gdiplus_container() { GdiplusStartupInput gdiplusStartupInput; GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL); } gdiplus_container::~gdiplus_container() { clear_images(); GdiplusShutdown(m_gdiplusToken); } static Color gdiplus_color(web_color color) { return Color(color.alpha, color.red, color.green, color.blue); } void gdiplus_container::draw_ellipse(HDC hdc, int x, int y, int width, int height, web_color color, int line_width) { Graphics graphics(hdc); graphics.SetCompositingQuality(CompositingQualityHighQuality); graphics.SetSmoothingMode(SmoothingModeAntiAlias); Pen pen(gdiplus_color(color)); graphics.DrawEllipse(&pen, x, y, width, height); } void gdiplus_container::fill_ellipse(HDC hdc, int x, int y, int width, int height, web_color color) { Graphics graphics(hdc); graphics.SetCompositingQuality(CompositingQualityHighQuality); graphics.SetSmoothingMode(SmoothingModeAntiAlias); SolidBrush brush(gdiplus_color(color)); graphics.FillEllipse(&brush, x, y, width, height); } void gdiplus_container::fill_rect(HDC hdc, int x, int y, int width, int height, web_color color) { Graphics graphics(hdc); SolidBrush brush(gdiplus_color(color)); graphics.FillRectangle(&brush, x, y, width, height); } void gdiplus_container::get_img_size(uint_ptr img, size& sz) { Bitmap* bmp = (Bitmap*)img; if (bmp) { sz.width = bmp->GetWidth(); sz.height = bmp->GetHeight(); } } void gdiplus_container::free_image(uint_ptr img) { Bitmap* bmp = (Bitmap*)img; delete bmp; } void gdiplus_container::draw_img_bg(HDC hdc, uint_ptr img, const background_paint& bg) { Bitmap* bgbmp = (Bitmap*)img; Graphics graphics(hdc); graphics.SetInterpolationMode(InterpolationModeNearestNeighbor); graphics.SetPixelOffsetMode(PixelOffsetModeHalf); Region reg(Rect(bg.border_box.left(), bg.border_box.top(), bg.border_box.width, bg.border_box.height)); graphics.SetClip(®); Bitmap* scaled_img = nullptr; if (bg.image_size.width != bgbmp->GetWidth() || bg.image_size.height != bgbmp->GetHeight()) { scaled_img = new Bitmap(bg.image_size.width, bg.image_size.height); Graphics gr(scaled_img); gr.SetPixelOffsetMode(PixelOffsetModeHighQuality); gr.DrawImage(bgbmp, 0, 0, bg.image_size.width, bg.image_size.height); bgbmp = scaled_img; } switch (bg.repeat) { case background_repeat_no_repeat: { graphics.DrawImage(bgbmp, bg.position_x, bg.position_y, bgbmp->GetWidth(), bgbmp->GetHeight()); } break; case background_repeat_repeat_x: { CachedBitmap bmp(bgbmp, &graphics); int x = bg.position_x; while(x > bg.clip_box.left()) x -= bgbmp->GetWidth(); for(; x < bg.clip_box.right(); x += bgbmp->GetWidth()) { graphics.DrawCachedBitmap(&bmp, x, bg.position_y); } } break; case background_repeat_repeat_y: { CachedBitmap bmp(bgbmp, &graphics); int y = bg.position_y; while(y > bg.clip_box.top()) y -= bgbmp->GetHeight(); for(; y < bg.clip_box.bottom(); y += bgbmp->GetHeight()) { graphics.DrawCachedBitmap(&bmp, bg.position_x, y); } } break; case background_repeat_repeat: { CachedBitmap bmp(bgbmp, &graphics); int x = bg.position_x; while(x > bg.clip_box.left()) x -= bgbmp->GetWidth(); int y0 = bg.position_y; while(y0 > bg.clip_box.top()) y0 -= bgbmp->GetHeight(); for(; x < bg.clip_box.right(); x += bgbmp->GetWidth()) { for(int y = y0; y < bg.clip_box.bottom(); y += bgbmp->GetHeight()) { graphics.DrawCachedBitmap(&bmp, x, y); } } } break; } delete scaled_img; } // length of dash and space for "dashed" style, in multiples of pen width const float dash = 3; const float space = 2; static void draw_horz_border(Graphics& graphics, const border& border, int y, int left, int right) { if (border.style != border_style_double || border.width < 3) { if (border.width == 1) right--; // 1px-wide lines are longer by one pixel in GDI+ (the endpoint is also drawn) Pen pen(gdiplus_color(border.color), (float)border.width); if (border.style == border_style_dotted) { float dashValues[2] = { 1, 1 }; pen.SetDashPattern(dashValues, 2); } else if (border.style == border_style_dashed) { float dashValues[2] = { dash, space }; pen.SetDashPattern(dashValues, 2); } graphics.DrawLine(&pen, Point(left, y + border.width / 2), Point(right, y + border.width / 2)); } else { int single_line_width = (int)round(border.width / 3.); if (single_line_width == 1) right--; Pen pen(gdiplus_color(border.color), (float)single_line_width); graphics.DrawLine(&pen, Point(left, y + single_line_width / 2), Point(right, y + single_line_width / 2)); graphics.DrawLine(&pen, Point(left, y + border.width - 1 - single_line_width / 2), Point(right, y + border.width - 1 - single_line_width / 2)); } } static void draw_vert_border(Graphics& graphics, const border& border, int x, int top, int bottom) { if (border.style != border_style_double || border.width < 3) { if (border.width == 1) bottom--; Pen pen(gdiplus_color(border.color), (float)border.width); if (border.style == border_style_dotted) { float dashValues[2] = { 1, 1 }; pen.SetDashPattern(dashValues, 2); } else if (border.style == border_style_dashed) { float dashValues[2] = { dash, space }; pen.SetDashPattern(dashValues, 2); } graphics.DrawLine(&pen, Point(x + border.width / 2, top), Point(x + border.width / 2, bottom)); } else { int single_line_width = (int)round(border.width / 3.); if (single_line_width == 1) bottom--; Pen pen(gdiplus_color(border.color), (float)single_line_width); graphics.DrawLine(&pen, Point(x + single_line_width / 2, top), Point(x + single_line_width / 2, bottom)); graphics.DrawLine(&pen, Point(x + border.width - 1 - single_line_width / 2, top), Point(x + border.width - 1 - single_line_width / 2, bottom)); } } void gdiplus_container::draw_borders(uint_ptr hdc, const borders& borders, const position& draw_pos, bool root) { apply_clip((HDC) hdc); Graphics graphics((HDC)hdc); if (borders.left.width != 0) { draw_vert_border(graphics, borders.left, draw_pos.left(), draw_pos.top(), draw_pos.bottom()); } if (borders.right.width != 0) { draw_vert_border(graphics, borders.right, draw_pos.right() - borders.right.width, draw_pos.top(), draw_pos.bottom()); } if (borders.top.width != 0) { draw_horz_border(graphics, borders.top, draw_pos.top(), draw_pos.left(), draw_pos.right()); } if (borders.bottom.width != 0) { draw_horz_border(graphics, borders.bottom, draw_pos.bottom() - borders.bottom.width, draw_pos.left(), draw_pos.right()); } release_clip((HDC) hdc); } litehtml-litehtml-6ca1ab0/containers/gdiplus/gdiplus_container.h000066400000000000000000000016311455631435400253440ustar00rootroot00000000000000#pragma once #include "..\win32\win32_container.h" class gdiplus_container : public win32_container { public: gdiplus_container(); virtual ~gdiplus_container(); private: ULONG_PTR m_gdiplusToken; protected: // win32_container members void draw_ellipse(HDC hdc, int x, int y, int width, int height, litehtml::web_color color, int line_width) override; void fill_ellipse(HDC hdc, int x, int y, int width, int height, litehtml::web_color color) override; void fill_rect(HDC hdc, int x, int y, int width, int height, litehtml::web_color color) override; void get_img_size(uint_ptr img, litehtml::size& sz) override; void free_image(uint_ptr img) override; void draw_img_bg(HDC hdc, uint_ptr img, const litehtml::background_paint& bg) override; // litehtml::document_container members void draw_borders(uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override; }; litehtml-litehtml-6ca1ab0/containers/haiku/000077500000000000000000000000001455631435400211135ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/haiku/container_haiku.cpp000066400000000000000000000342251455631435400247700ustar00rootroot00000000000000/* * Copyright 2019-2020 Haiku Inc. * All rights reserved. Distributed under the terms of the BSD 3-clause license. * Constributors * 2019-2020 Adam Fowler */ #include "container_haiku.h" #include #include #include #include #include #include #include #include #include #include LiteHtmlView::LiteHtmlView(BRect frame, const char *name) : BView(frame, name, B_FOLLOW_ALL, B_WILL_DRAW), fContext(NULL), m_html(NULL), m_images(), m_base_url(), m_url() { BRect bounds(Bounds()); BPoint topLeft = bounds.LeftTop(); std::cout << "Initial bounds: topLeft x: " << +topLeft.x << ", y: " << +topLeft.y << ", width: " << +bounds.Width() << ", height: " << +bounds.Height() << std::endl; SetDrawingMode(B_OP_OVER); SetFont(be_plain_font); //FillRect(bounds,B_SOLID_LOW); //SetLowColor(B_DOCUMENT_PANEL_COLOR); //FillRect(rect); } LiteHtmlView::~LiteHtmlView() { } void LiteHtmlView::SetContext(litehtml::context* ctx) { fContext = ctx; } void LiteHtmlView::RenderFile(const char* localFilePath) { std::cout << "RenderFile" << std::endl; //BUrlRequest req; // assume a local file for now, that is HTML std::ifstream t(localFilePath); std::string html((std::istreambuf_iterator(t)), std::istreambuf_iterator()); //std::cout << "HTML output:-" << std::endl << html << std::endl; // Get parent folder for the base url std::cout << "Loaded from file: " << localFilePath << std::endl; BPath htmlPath(localFilePath); BPath dirPath; htmlPath.GetParent(&dirPath); std::cout << "parent path: " << dirPath.Path() << std::endl; set_base_url(dirPath.Path()); //std::cout << " base url now:" << m_base_url << std::endl; RenderHTML(html); } void LiteHtmlView::RenderHTML(const std::string& htmlText) { std::cout << "RenderHTML" << std::endl; // now use this string m_html = litehtml::document::createFromString( htmlText.c_str(), this, fContext); if (m_html) { std::cout << "Successfully read html" << std::endl; // success // post-parse render operations, if required. Invalidate(); } else { std::cout << "Failed to read html" << std::endl; } // always fire the rendering complete message std::cout << "Sending html rendered message: " << M_HTML_RENDERED << std::endl; } void LiteHtmlView::Draw(BRect b) { std::cout << "DRAW CALLED" << std::endl; BRect bounds(Bounds()); FillRect(bounds,B_SOLID_LOW); // b only part of the window, but we need to draw the whole lot if (NULL != m_html) { BPoint leftTop = bounds.LeftTop(); litehtml::position clip(leftTop.x,leftTop.y, bounds.Width(),bounds.Height()); m_html->render(bounds.Width()); m_html->draw((litehtml::uint_ptr) this,0,0,&clip); } SendNotices(M_HTML_RENDERED,new BMessage(M_HTML_RENDERED)); } void LiteHtmlView::GetPreferredSize(float* width,float* height) { if (NULL == m_html) { BRect bounds(Bounds()); *width = bounds.Width(); *height = bounds.Height(); } else { *width = m_html->width(); *height = m_html->height(); } } litehtml::uint_ptr LiteHtmlView::create_font( const litehtml::tchar_t* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm ) { //std::cout << "create_font" << std::endl; litehtml::string_vector fonts; litehtml::split_string(faceName, fonts, ","); litehtml::trim(fonts[0]); uint16 face = B_REGULAR_FACE; // default if (italic == litehtml::font_style_italic) { face |= B_ITALIC_FACE; } if (decoration & litehtml::font_decoration_underline) { face |= B_UNDERSCORE_FACE; } if (decoration & litehtml::font_decoration_linethrough) { face |= B_STRIKEOUT_FACE; } // Note: LIGHT, HEAVY, CONDENSED not supported in BeOS R5 #ifdef __HAIKU__ if(weight >= 0 && weight < 150) face |= B_LIGHT_FACE; else if(weight >= 150 && weight < 250) face |= B_LIGHT_FACE; else if(weight >= 250 && weight < 350) face |= B_LIGHT_FACE; //else if(weight >= 350 && weight < 450) face |= B_REGULAR_FACE; //else if(weight >= 450 && weight < 550) face |= B_REGULAR_FACE; else if(weight >= 550 && weight < 650) face |= B_CONDENSED_FACE; #else else if(weight >= 550 && weight < 650) face |= B_BOLD_FACE; #endif else if(weight >= 650 && weight < 750) face |= B_BOLD_FACE; #ifndef __HAIKU__ else if(weight >= 750 && weight < 850) face |= B_BOLD_FACE; else if(weight >= 950) face |= B_BOLD_FACE; #else else if(weight >= 750 && weight < 850) face |= B_HEAVY_FACE; else if(weight >= 950) face |= B_HEAVY_FACE; #endif BFont* tempFont = new BFont(); bool found = false; for(litehtml::string_vector::iterator i = fonts.begin(); i != fonts.end(); i++) { if (B_OK == tempFont->SetFamilyAndFace(i->c_str(),face)) { found = true; break; } } if (!found) { // default to the Be plain font tempFont = new BFont(be_plain_font); if (weight >= 550) { tempFont = new BFont(be_bold_font); } tempFont->SetFace(face); // chooses closest } tempFont->SetSize(size); font_height hgt; tempFont->GetHeight(&hgt); fm->ascent = hgt.ascent; fm->descent = hgt.descent; fm->height = (int) (hgt.ascent + hgt.descent); fm->x_height = (int) hgt.leading; return (litehtml::uint_ptr) tempFont; } void LiteHtmlView::delete_font( litehtml::uint_ptr hFont ) { std::cout << "delete_font" << std::endl; } int LiteHtmlView::text_width( const litehtml::tchar_t* text, litehtml::uint_ptr hFont ) { //std::cout << "text_width" << std::endl; BFont* fnt = (BFont*)hFont; int width = fnt->StringWidth(text); //std::cout << " Width: " << +width << std::endl; return width; } void LiteHtmlView::draw_text( litehtml::uint_ptr hdc, const litehtml::tchar_t* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos ) { //std::cout << "draw_text" << std::endl; if (!text) return; if (0 == strlen(text)) return; BFont* fnt = (BFont*)hFont; //std::cout << " left: " << +pos.left() << ", top: " << +pos.top() << std::endl; //std::cout << " RGBA: " << +color.red << "," << +color.green << "," << +color.blue << "," << +color.alpha << std::endl; //std::cout << " Font size: " << +fnt->Size() << std::endl; //std::cout << " Text: " << text << std::endl; BRect bounds(Bounds()); //FillRect(bounds,B_SOLID_LOW); BPoint leftTop = bounds.LeftTop(); //std::cout << " Bounds left: " << +leftTop.x << ", top: " << +leftTop.y << ", Width: " << +bounds.Width() << ", Height: " << +bounds.Height() << std::endl; font_height fh; fnt->GetHeight(&fh); int baseline = fh.ascent + fh.descent;// + 10; int leftbase = 0; //10; MovePenTo(pos.left() + leftbase,pos.top() + baseline);//leftTop.x,leftTop.y); SetFont(fnt); //SetFont(be_plain_font); rgb_color clr = ui_color(B_DOCUMENT_TEXT_COLOR); /* rgb_color clr; clr.blue = 40; clr.red = 40; clr.green = 40; */ clr.red = color.red; clr.green = color.green; clr.blue = color.blue; clr.alpha = color.alpha; //std::cout << " Final RGBA: " << +clr.red << "," << +clr.green << "," << +clr.blue << "," << +clr.alpha << std::endl; SetHighColor(clr); SetLowColor(ui_color(B_DOCUMENT_BACKGROUND_COLOR)); BString mystr(""); //mystr << "text: "; mystr << text; DrawString(mystr); } int LiteHtmlView::pt_to_px( int pt ) { std::cout << "pt_to_px" << std::endl; return (int) ((double) pt * 1.3333333333); } int LiteHtmlView::get_default_font_size() const { //std::cout << "get_default_font_size" << std::endl; return 12; } const litehtml::tchar_t* LiteHtmlView::get_default_font_name() const { //std::cout << "get_default_font_name" << std::endl; font_family fam; font_style style; be_plain_font->GetFamilyAndStyle(&fam,&style); char* cp = strdup(fam); return (litehtml::tchar_t*)cp; } void LiteHtmlView::draw_list_marker( litehtml::uint_ptr hdc, const litehtml::list_marker& marker ) { std::cout << "draw_list_marker" << std::endl; if (!marker.image.empty()) { std::cout << " image marker" << std::endl; } } void LiteHtmlView::load_image( const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready ) { std::cout << "load_image" << std::endl; std::string url; make_url(src, baseurl, url); if(m_images.find(url.c_str()) == m_images.end()) { BEntry entry(url.c_str(), true); if (entry.Exists()) { std::cout << " Loading bitmap from file" << std::endl; BBitmap* img = BTranslationUtils::GetBitmap(url.c_str()); m_images[url] = img; } } } void LiteHtmlView::make_url(const litehtml::tchar_t* url, const litehtml::tchar_t* basepath, litehtml::tstring& out) { std::cout << "make_url" << std::endl; std::cout << " url: " << url << std::endl; if(!basepath || (basepath && !basepath[0])) { if(!m_base_url.empty()) { //out = urljoin(m_base_url, std::string(url)); std::string ns(m_base_url); ns += "/"; ns += url; out = ns; } else { out = url; } } else { std::cout << " basepath: " << basepath << std::endl; //out = urljoin(std::string(basepath), std::string(url)); std::string ns(basepath); ns += "/"; ns += url; out = ns; } std::cout << " Output url: " << out << std::endl; } void LiteHtmlView::set_base_url(const litehtml::tchar_t* base_url) { std::cout << "set_base_url" << std::endl; /* if(base_url) { m_base_url = urljoin(m_url, std::string(base_url)); } else { */ m_base_url = base_url; std::cout << " base url set to: " << m_base_url << std::endl; //} } void LiteHtmlView::get_image_size( const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz ) { std::cout << "get_image_size" << std::endl; std::string url; make_url(src,NULL,url); const auto& miter(m_images.find(url.c_str())); if (m_images.end() != miter) { BBitmap* img = (BBitmap*)miter->second; BRect size = img->Bounds(); sz.width = size.Width(); sz.height = size.Height(); std::cout << " width: " << +sz.width << ", height: " << +sz.height << std::endl; } } void LiteHtmlView::draw_image( litehtml::uint_ptr hdc, const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, const litehtml::position& pos ) { std::string url; make_url(src, baseurl, url); const auto& img = m_images.find(url.c_str()); if(img != m_images.end()) { if(img->second) { DrawBitmap(img->second,BPoint(pos.x,pos.y)); // TODO support scaling //draw_txdib(cr, img->second.get(), pos.x, pos.y, pos.width, pos.height); } } } void LiteHtmlView::draw_background( litehtml::uint_ptr hdc, const litehtml::background_paint& bg ) { std::cout << "draw_background" << std::endl; if (0 < bg.image.length()) { std::cout << " background includes an image!" << std::endl; draw_image(hdc,bg.image.c_str(),m_base_url.c_str(),litehtml::position(bg.position_x,bg.position_y,bg.image_size.width,bg.image_size.height)); } } void LiteHtmlView::draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) { std::cout << "draw_borders" << std::endl; int bdr_top = 0; int bdr_bottom = 0; int bdr_left = 0; int bdr_right = 0; //std::cout << " uint ptr: " << +hdc << std::endl; //std::cout << " this ptr: " << +this << std::endl; if(borders.top.width != 0 && borders.top.style > litehtml::border_style_hidden) { bdr_top = (int) borders.top.width; std::cout << " Border top: " << bdr_right << std::endl; } if(borders.bottom.width != 0 && borders.bottom.style > litehtml::border_style_hidden) { bdr_bottom = (int) borders.bottom.width; std::cout << " Border bottom: " << bdr_right << std::endl; } if(borders.left.width != 0 && borders.left.style > litehtml::border_style_hidden) { bdr_left = (int) borders.left.width; std::cout << " Border left: " << bdr_right << std::endl; } if(borders.right.width != 0 && borders.right.style > litehtml::border_style_hidden) { bdr_right = (int) borders.right.width; std::cout << " Border right: " << bdr_right << std::endl; } if (bdr_bottom) { // draw rectangle for now - no check for radius StrokeRect( BRect( BPoint(draw_pos.left(), draw_pos.bottom()), BPoint(draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom) ) ); } } void LiteHtmlView::transform_text(litehtml::tstring& text, litehtml::text_transform tt) { std::cout << "transform_text" << std::endl; } void LiteHtmlView::set_clip( const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius ) { std::cout << "set_clip" << std::endl; } void LiteHtmlView::del_clip() { std::cout << "del_clip" << std::endl; } std::shared_ptr LiteHtmlView::create_element(const litehtml::tchar_t *tag_name, const litehtml::string_map &attributes, const std::shared_ptr &doc) { //std::cout << "create_element" << std::endl; return 0; } void LiteHtmlView::get_media_features(litehtml::media_features& media) const { std::cout << "get_media_features" << std::endl; litehtml::position client; get_client_rect(client); media.type = litehtml::media_type_screen; media.width = client.width; media.height = client.height; BRect bounds(Bounds()); media.device_width = bounds.Width(); media.device_height = bounds.Height(); media.color = 8; media.monochrome = 0; media.color_index = 256; media.resolution = 96; } void LiteHtmlView::link(const std::shared_ptr &ptr, const litehtml::element::ptr& el) { std::cout << "link" << std::endl; } void LiteHtmlView::set_caption(const char* caption) { std::cout << "set_caption" << std::endl; } void LiteHtmlView::get_client_rect(litehtml::position& client) const { //std::cout << "get_client_rect" << std::endl; BRect bounds(Bounds()); BPoint leftTop = bounds.LeftTop(); client.width = bounds.Width(); client.height = bounds.Height(); client.x = leftTop.x; client.y = leftTop.y; } void LiteHtmlView::on_anchor_click(const char* base, const litehtml::element::ptr& anchor) { std::cout << "on_anchor_click" << std::endl; } void LiteHtmlView::set_cursor(const char* cursor) { std::cout << "set_cursor" << std::endl; } void LiteHtmlView::import_css(litehtml::tstring& s1, const litehtml::tstring& s2, litehtml::tstring& s3) { std::cout << "import_css" << std::endl; } void LiteHtmlView::get_language(litehtml::tstring& s1, litehtml::tstring& s2) const { std::cout << "get_language" << std::endl; } litehtml-litehtml-6ca1ab0/containers/haiku/container_haiku.h000066400000000000000000000077551455631435400244450ustar00rootroot00000000000000/* * Copyright 2019-2020 Haiku Inc. * All rights reserved. Distributed under the terms of the BSD 3-clause license. * Constributors * 2019-2020 Adam Fowler */ #ifndef LITEHTMLVIEW_H #define LITEHTMLVIEW_H #include "../../include/litehtml.h" #include #include #include class BBitmap; enum { M_HTML_RENDERED = 'hrnd' }; class LiteHtmlView : public BView, public litehtml::document_container { public: //LiteHtmlView(BMessage *archive); LiteHtmlView(BRect frame, const char *name); //LiteHtmlView(const char *name, uint32 flags, BLayout *layout=NULL); virtual ~LiteHtmlView(); void SetContext(litehtml::context* ctx); void RenderFile(const char* localFilePath); void RenderHTML(const std::string& htmlText); virtual litehtml::uint_ptr create_font(const litehtml::tchar_t* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override; virtual void delete_font(litehtml::uint_ptr hFont) override; virtual int text_width(const litehtml::tchar_t* text, litehtml::uint_ptr hFont) override; virtual void draw_text(litehtml::uint_ptr hdc, const litehtml::tchar_t* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override; virtual int pt_to_px(int pt) override; virtual int get_default_font_size() const override; virtual const litehtml::tchar_t* get_default_font_name() const override; virtual void load_image(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready) override; virtual void get_image_size(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz) override; virtual void draw_background(litehtml::uint_ptr hdc, const litehtml::background_paint& bg) override; virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override; virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override; virtual std::shared_ptr create_element(const litehtml::tchar_t *tag_name, const litehtml::string_map &attributes, const std::shared_ptr &doc) override; virtual void get_media_features(litehtml::media_features& media) const override; //virtual void get_language(litehtml::tstring& language, litehtml::tstring & culture) const override; virtual void link(const std::shared_ptr &ptr, const litehtml::element::ptr& el) override; virtual void transform_text(litehtml::tstring& text, litehtml::text_transform tt) override; virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) override; virtual void del_clip() override; // unimplemented virtual void set_caption(const char*); virtual void get_client_rect(litehtml::position& client) const; virtual void set_base_url(const char*); virtual void on_anchor_click(const char*, const litehtml::element::ptr&); virtual void set_cursor(const char*); virtual void import_css(litehtml::tstring&, const litehtml::tstring&, litehtml::tstring&); virtual void get_language(litehtml::tstring&, litehtml::tstring&) const; //BView virtual void Draw(BRect updateRect) override; virtual void GetPreferredSize(float* width, float* height) override; protected: void make_url(const litehtml::tchar_t* url, const litehtml::tchar_t* basepath, litehtml::tstring& out); virtual void draw_image( litehtml::uint_ptr hdc, const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, const litehtml::position& pos ); private: litehtml::context* fContext; litehtml::document::ptr m_html; std::map m_images; litehtml::tstring m_base_url; litehtml::tstring m_url; }; #endif litehtml-litehtml-6ca1ab0/containers/linux/000077500000000000000000000000001455631435400211515ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/linux/container_linux.cpp000066400000000000000000000621201455631435400250570ustar00rootroot00000000000000#include "container_linux.h" #include #ifndef M_PI # define M_PI 3.14159265358979323846 #endif container_linux::container_linux() { m_temp_surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 2, 2); m_temp_cr = cairo_create(m_temp_surface); } container_linux::~container_linux() { clear_images(); cairo_surface_destroy(m_temp_surface); cairo_destroy(m_temp_cr); } litehtml::uint_ptr container_linux::create_font( const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm ) { PangoFontDescription *desc = pango_font_description_from_string (faceName); pango_font_description_set_absolute_size(desc, size * PANGO_SCALE); if(italic == litehtml::font_style_italic) { pango_font_description_set_style(desc, PANGO_STYLE_ITALIC); } else { pango_font_description_set_style(desc, PANGO_STYLE_NORMAL); } PangoWeight fnt_weight; if(weight >= 0 && weight < 150) fnt_weight = PANGO_WEIGHT_THIN; else if(weight >= 150 && weight < 250) fnt_weight = PANGO_WEIGHT_ULTRALIGHT; else if(weight >= 250 && weight < 350) fnt_weight = PANGO_WEIGHT_LIGHT; else if(weight >= 350 && weight < 450) fnt_weight = PANGO_WEIGHT_NORMAL; else if(weight >= 450 && weight < 550) fnt_weight = PANGO_WEIGHT_MEDIUM; else if(weight >= 550 && weight < 650) fnt_weight = PANGO_WEIGHT_SEMIBOLD; else if(weight >= 650 && weight < 750) fnt_weight = PANGO_WEIGHT_BOLD; else if(weight >= 750 && weight < 850) fnt_weight = PANGO_WEIGHT_ULTRABOLD; else fnt_weight = PANGO_WEIGHT_HEAVY; pango_font_description_set_weight(desc, fnt_weight); cairo_font* ret = nullptr; if(fm) { cairo_save(m_temp_cr); PangoLayout *layout = pango_cairo_create_layout(m_temp_cr); PangoContext *context = pango_layout_get_context(layout); PangoLanguage *language = pango_language_get_default(); pango_layout_set_font_description(layout, desc); PangoFontMetrics *metrics = pango_context_get_metrics(context, desc, language); fm->ascent = PANGO_PIXELS((double)pango_font_metrics_get_ascent(metrics)); fm->descent = PANGO_PIXELS((double)pango_font_metrics_get_descent(metrics)); fm->height = fm->ascent + fm->descent; fm->x_height = fm->height; pango_layout_set_text(layout, "x", 1); int x_width, x_height; pango_layout_get_pixel_size(layout, &x_width, &x_height); fm->x_height = x_height; cairo_restore(m_temp_cr); g_object_unref(layout); pango_font_metrics_unref(metrics); ret = new cairo_font; ret->font = desc; ret->size = size; ret->strikeout = (decoration & litehtml::font_decoration_linethrough) != 0; ret->underline = (decoration & litehtml::font_decoration_underline) != 0; ret->ascent = fm->ascent; ret->descent = fm->descent; ret->underline_thickness = pango_font_metrics_get_underline_thickness(metrics); ret->underline_position = -pango_font_metrics_get_underline_position(metrics); pango_quantize_line_geometry(&ret->underline_thickness, &ret->underline_position); ret->underline_thickness = PANGO_PIXELS(ret->underline_thickness); ret->underline_position = -1;//PANGO_PIXELS(ret->underline_position); ret->strikethrough_thickness = pango_font_metrics_get_strikethrough_thickness(metrics); ret->strikethrough_position = pango_font_metrics_get_strikethrough_position(metrics); pango_quantize_line_geometry(&ret->strikethrough_thickness, &ret->strikethrough_position); ret->strikethrough_thickness = PANGO_PIXELS(ret->strikethrough_thickness); ret->strikethrough_position = PANGO_PIXELS(ret->strikethrough_position); } return (litehtml::uint_ptr) ret; } void container_linux::delete_font( litehtml::uint_ptr hFont ) { auto* fnt = (cairo_font*) hFont; if(fnt) { pango_font_description_free(fnt->font); delete fnt; } } int container_linux::text_width( const char* text, litehtml::uint_ptr hFont ) { auto* fnt = (cairo_font*) hFont; cairo_save(m_temp_cr); PangoLayout *layout = pango_cairo_create_layout(m_temp_cr); pango_layout_set_font_description(layout, fnt->font); pango_layout_set_text(layout, text, -1); pango_cairo_update_layout (m_temp_cr, layout); int x_width, x_height; pango_layout_get_pixel_size(layout, &x_width, &x_height); cairo_restore(m_temp_cr); g_object_unref(layout); return (int) x_width; } void container_linux::draw_text( litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos ) { auto* fnt = (cairo_font*) hFont; auto* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); set_color(cr, color); PangoLayout *layout = pango_cairo_create_layout(cr); pango_layout_set_font_description (layout, fnt->font); pango_layout_set_text (layout, text, -1); int baseline = PANGO_PIXELS(pango_layout_get_baseline(layout)); PangoRectangle ink_rect, logical_rect; pango_layout_get_pixel_extents(layout, &ink_rect, &logical_rect); int text_baseline = pos.height - fnt->descent; int x = pos.left() + logical_rect.x; int y = pos.top() + logical_rect.y + text_baseline - baseline; cairo_move_to(cr, x, y); pango_cairo_update_layout (cr, layout); pango_cairo_show_layout (cr, layout); int tw = 0; if(fnt->underline || fnt->strikeout) { tw = text_width(text, hFont); } if(fnt->underline) { cairo_set_line_width(cr, fnt->underline_thickness); cairo_move_to(cr, x, pos.top() + text_baseline - fnt->underline_position + 0.5); cairo_line_to(cr, x + tw, pos.top() + text_baseline - fnt->underline_position + 0.5); cairo_stroke(cr); } if(fnt->strikeout) { cairo_set_line_width(cr, fnt->strikethrough_thickness); cairo_move_to(cr, x, pos.top() + text_baseline - fnt->strikethrough_position - 0.5); cairo_line_to(cr, x + tw, pos.top() + text_baseline - fnt->strikethrough_position - 0.5); cairo_stroke(cr); } cairo_restore(cr); g_object_unref(layout); } int container_linux::pt_to_px( int pt ) const { GdkScreen* screen = gdk_screen_get_default(); double dpi = gdk_screen_get_resolution(screen); return (int) ((double) pt * dpi / 72.0); } int container_linux::get_default_font_size() const { return pt_to_px(12); } void container_linux::draw_list_marker( litehtml::uint_ptr hdc, const litehtml::list_marker& marker ) { if(!marker.image.empty()) { /*litehtml::string url; make_url(marker.image.c_str(), marker.baseurl, url); lock_images_cache(); images_map::iterator img_i = m_images.find(url.c_str()); if(img_i != m_images.end()) { if(img_i->second) { draw_txdib((cairo_t*) hdc, img_i->second, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height); } } unlock_images_cache();*/ } else { switch(marker.marker_type) { case litehtml::list_style_type_circle: { draw_ellipse((cairo_t*) hdc, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height, marker.color, 1); } break; case litehtml::list_style_type_disc: { fill_ellipse((cairo_t*) hdc, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height, marker.color); } break; case litehtml::list_style_type_square: if(hdc) { auto* cr = (cairo_t*) hdc; cairo_save(cr); cairo_new_path(cr); cairo_rectangle(cr, marker.pos.x, marker.pos.y, marker.pos.width, marker.pos.height); set_color(cr, marker.color); cairo_fill(cr); cairo_restore(cr); } break; default: /*do nothing*/ break; } } } void container_linux::load_image( const char* src, const char* baseurl, bool redraw_on_ready ) { litehtml::string url; make_url(src, baseurl, url); if(m_images.find(url) == m_images.end()) { try { Glib::RefPtr img = get_image(url.c_str(), true); if(img) { m_images[url.c_str()] = img; } } catch(...) { m_images[url.c_str()] = Glib::RefPtr(nullptr); } } } void container_linux::get_image_size( const char* src, const char* baseurl, litehtml::size& sz ) { litehtml::string url; make_url(src, baseurl, url); auto img = m_images.find(url); if(img != m_images.end()) { if(img->second) { sz.width = img->second->get_width(); sz.height = img->second->get_height(); } else { sz.width = 0; sz.height = 0; } } else { sz.width = 0; sz.height = 0; } } void container_linux::draw_background( litehtml::uint_ptr hdc, const std::vector& bgvec ) { auto* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); const auto& bg = bgvec.back(); rounded_rectangle(cr, bg.border_box, bg.border_radius); cairo_clip(cr); cairo_rectangle(cr, bg.clip_box.x, bg.clip_box.y, bg.clip_box.width, bg.clip_box.height); cairo_clip(cr); if(bg.color.alpha) { set_color(cr, bg.color); cairo_paint(cr); } for (int i = (int)bgvec.size() - 1; i >= 0; i--) { const auto& bg = bgvec[i]; if(bg.image_size.height == 0 || bg.image_size.width == 0) continue; cairo_rectangle(cr, bg.clip_box.x, bg.clip_box.y, bg.clip_box.width, bg.clip_box.height); cairo_clip(cr); std::string url; make_url(bg.image.c_str(), bg.baseurl.c_str(), url); //lock_images_cache(); auto img_i = m_images.find(url); if(img_i != m_images.end() && img_i->second) { Glib::RefPtr bgbmp = img_i->second; Glib::RefPtr new_img; if(bg.image_size.width != bgbmp->get_width() || bg.image_size.height != bgbmp->get_height()) { new_img = bgbmp->scale_simple(bg.image_size.width, bg.image_size.height, Gdk::INTERP_BILINEAR); bgbmp = new_img; } cairo_surface_t* img = surface_from_pixbuf(bgbmp); cairo_pattern_t *pattern = cairo_pattern_create_for_surface(img); cairo_matrix_t flib_m; cairo_matrix_init_identity(&flib_m); cairo_matrix_translate(&flib_m, -bg.position_x, -bg.position_y); cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); cairo_pattern_set_matrix (pattern, &flib_m); switch(bg.repeat) { case litehtml::background_repeat_no_repeat: draw_pixbuf(cr, bgbmp, bg.position_x, bg.position_y, bgbmp->get_width(), bgbmp->get_height()); break; case litehtml::background_repeat_repeat_x: cairo_set_source(cr, pattern); cairo_rectangle(cr, bg.clip_box.left(), bg.position_y, bg.clip_box.width, bgbmp->get_height()); cairo_fill(cr); break; case litehtml::background_repeat_repeat_y: cairo_set_source(cr, pattern); cairo_rectangle(cr, bg.position_x, bg.clip_box.top(), bgbmp->get_width(), bg.clip_box.height); cairo_fill(cr); break; case litehtml::background_repeat_repeat: cairo_set_source(cr, pattern); cairo_rectangle(cr, bg.clip_box.left(), bg.clip_box.top(), bg.clip_box.width, bg.clip_box.height); cairo_fill(cr); break; } cairo_pattern_destroy(pattern); cairo_surface_destroy(img); } //unlock_images_cache(); } cairo_restore(cr); } void container_linux::make_url(const char* url, const char* basepath, litehtml::string& out) { out = url; } void container_linux::add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg) { if(rx > 0 && ry > 0) { cairo_save(cr); cairo_translate(cr, x, y); cairo_scale(cr, 1, ry / rx); cairo_translate(cr, -x, -y); if(neg) { cairo_arc_negative(cr, x, y, rx, a1, a2); } else { cairo_arc(cr, x, y, rx, a1, a2); } cairo_restore(cr); } else { cairo_move_to(cr, x, y); } } void container_linux::draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) { auto* cr = (cairo_t*) hdc; cairo_save(cr); apply_clip(cr); cairo_new_path(cr); int bdr_top = 0; int bdr_bottom = 0; int bdr_left = 0; int bdr_right = 0; if(borders.top.width != 0 && borders.top.style > litehtml::border_style_hidden) { bdr_top = (int) borders.top.width; } if(borders.bottom.width != 0 && borders.bottom.style > litehtml::border_style_hidden) { bdr_bottom = (int) borders.bottom.width; } if(borders.left.width != 0 && borders.left.style > litehtml::border_style_hidden) { bdr_left = (int) borders.left.width; } if(borders.right.width != 0 && borders.right.style > litehtml::border_style_hidden) { bdr_right = (int) borders.right.width; } // draw right border if(bdr_right) { set_color(cr, borders.right.color); if(borders.radius.top_right_x && borders.radius.top_right_y) { double end_angle = 2 * M_PI; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_top / (double) bdr_right + 1); add_path_arc(cr, draw_pos.right() - borders.radius.top_right_x, draw_pos.top() + borders.radius.top_right_y, borders.radius.top_right_x - bdr_right, borders.radius.top_right_y - bdr_right + (bdr_right - bdr_top), end_angle, start_angle, true); add_path_arc(cr, draw_pos.right() - borders.radius.top_right_x, draw_pos.top() + borders.radius.top_right_y, borders.radius.top_right_x, borders.radius.top_right_y, start_angle, end_angle, false); } else { cairo_move_to(cr, draw_pos.right() - bdr_right, draw_pos.top() + bdr_top); cairo_line_to(cr, draw_pos.right(), draw_pos.top()); } if(borders.radius.bottom_right_x && borders.radius.bottom_right_y) { cairo_line_to(cr, draw_pos.right(), draw_pos.bottom() - borders.radius.bottom_right_y); double start_angle = 0; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_bottom / (double) bdr_right + 1); add_path_arc(cr, draw_pos.right() - borders.radius.bottom_right_x, draw_pos.bottom() - borders.radius.bottom_right_y, borders.radius.bottom_right_x, borders.radius.bottom_right_y, start_angle, end_angle, false); add_path_arc(cr, draw_pos.right() - borders.radius.bottom_right_x, draw_pos.bottom() - borders.radius.bottom_right_y, borders.radius.bottom_right_x - bdr_right, borders.radius.bottom_right_y - bdr_right + (bdr_right - bdr_bottom), end_angle, start_angle, true); } else { cairo_line_to(cr, draw_pos.right(), draw_pos.bottom()); cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.bottom() - bdr_bottom); } cairo_fill(cr); } // draw bottom border if(bdr_bottom) { set_color(cr, borders.bottom.color); if(borders.radius.bottom_left_x && borders.radius.bottom_left_y) { double start_angle = M_PI / 2.0; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_left / (double) bdr_bottom + 1); add_path_arc(cr, draw_pos.left() + borders.radius.bottom_left_x, draw_pos.bottom() - borders.radius.bottom_left_y, borders.radius.bottom_left_x - bdr_bottom + (bdr_bottom - bdr_left), borders.radius.bottom_left_y - bdr_bottom, start_angle, end_angle, false); add_path_arc(cr, draw_pos.left() + borders.radius.bottom_left_x, draw_pos.bottom() - borders.radius.bottom_left_y, borders.radius.bottom_left_x, borders.radius.bottom_left_y, end_angle, start_angle, true); } else { cairo_move_to(cr, draw_pos.left(), draw_pos.bottom()); cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom); } if(borders.radius.bottom_right_x && borders.radius.bottom_right_y) { cairo_line_to(cr, draw_pos.right() - borders.radius.bottom_right_x, draw_pos.bottom()); double end_angle = M_PI / 2.0; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_right / (double) bdr_bottom + 1); add_path_arc(cr, draw_pos.right() - borders.radius.bottom_right_x, draw_pos.bottom() - borders.radius.bottom_right_y, borders.radius.bottom_right_x, borders.radius.bottom_right_y, end_angle, start_angle, true); add_path_arc(cr, draw_pos.right() - borders.radius.bottom_right_x, draw_pos.bottom() - borders.radius.bottom_right_y, borders.radius.bottom_right_x - bdr_bottom + (bdr_bottom - bdr_right), borders.radius.bottom_right_y - bdr_bottom, start_angle, end_angle, false); } else { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.bottom() - bdr_bottom); cairo_line_to(cr, draw_pos.right(), draw_pos.bottom()); } cairo_fill(cr); } // draw top border if(bdr_top) { set_color(cr, borders.top.color); if(borders.radius.top_left_x && borders.radius.top_left_y) { double end_angle = M_PI * 3.0 / 2.0; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_left / (double) bdr_top + 1); add_path_arc(cr, draw_pos.left() + borders.radius.top_left_x, draw_pos.top() + borders.radius.top_left_y, borders.radius.top_left_x, borders.radius.top_left_y, end_angle, start_angle, true); add_path_arc(cr, draw_pos.left() + borders.radius.top_left_x, draw_pos.top() + borders.radius.top_left_y, borders.radius.top_left_x - bdr_top + (bdr_top - bdr_left), borders.radius.top_left_y - bdr_top, start_angle, end_angle, false); } else { cairo_move_to(cr, draw_pos.left(), draw_pos.top()); cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.top() + bdr_top); } if(borders.radius.top_right_x && borders.radius.top_right_y) { cairo_line_to(cr, draw_pos.right() - borders.radius.top_right_x, draw_pos.top() + bdr_top); double start_angle = M_PI * 3.0 / 2.0; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_right / (double) bdr_top + 1); add_path_arc(cr, draw_pos.right() - borders.radius.top_right_x, draw_pos.top() + borders.radius.top_right_y, borders.radius.top_right_x - bdr_top + (bdr_top - bdr_right), borders.radius.top_right_y - bdr_top, start_angle, end_angle, false); add_path_arc(cr, draw_pos.right() - borders.radius.top_right_x, draw_pos.top() + borders.radius.top_right_y, borders.radius.top_right_x, borders.radius.top_right_y, end_angle, start_angle, true); } else { cairo_line_to(cr, draw_pos.right() - bdr_right, draw_pos.top() + bdr_top); cairo_line_to(cr, draw_pos.right(), draw_pos.top()); } cairo_fill(cr); } // draw left border if(bdr_left) { set_color(cr, borders.left.color); if(borders.radius.top_left_x && borders.radius.top_left_y) { double start_angle = M_PI; double end_angle = start_angle + M_PI / 2.0 / ((double) bdr_top / (double) bdr_left + 1); add_path_arc(cr, draw_pos.left() + borders.radius.top_left_x, draw_pos.top() + borders.radius.top_left_y, borders.radius.top_left_x - bdr_left, borders.radius.top_left_y - bdr_left + (bdr_left - bdr_top), start_angle, end_angle, false); add_path_arc(cr, draw_pos.left() + borders.radius.top_left_x, draw_pos.top() + borders.radius.top_left_y, borders.radius.top_left_x, borders.radius.top_left_y, end_angle, start_angle, true); } else { cairo_move_to(cr, draw_pos.left() + bdr_left, draw_pos.top() + bdr_top); cairo_line_to(cr, draw_pos.left(), draw_pos.top()); } if(borders.radius.bottom_left_x && borders.radius.bottom_left_y) { cairo_line_to(cr, draw_pos.left(), draw_pos.bottom() - borders.radius.bottom_left_y); double end_angle = M_PI; double start_angle = end_angle - M_PI / 2.0 / ((double) bdr_bottom / (double) bdr_left + 1); add_path_arc(cr, draw_pos.left() + borders.radius.bottom_left_x, draw_pos.bottom() - borders.radius.bottom_left_y, borders.radius.bottom_left_x, borders.radius.bottom_left_y, end_angle, start_angle, true); add_path_arc(cr, draw_pos.left() + borders.radius.bottom_left_x, draw_pos.bottom() - borders.radius.bottom_left_y, borders.radius.bottom_left_x - bdr_left, borders.radius.bottom_left_y - bdr_left + (bdr_left - bdr_bottom), start_angle, end_angle, false); } else { cairo_line_to(cr, draw_pos.left(), draw_pos.bottom()); cairo_line_to(cr, draw_pos.left() + bdr_left, draw_pos.bottom() - bdr_bottom); } cairo_fill(cr); } cairo_restore(cr); } void container_linux::transform_text(litehtml::string& text, litehtml::text_transform tt) { } void container_linux::set_clip( const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius ) { m_clips.emplace_back(pos, bdr_radius); } void container_linux::del_clip() { if(!m_clips.empty()) { m_clips.pop_back(); } } void container_linux::apply_clip( cairo_t* cr ) { for(const auto& clip_box : m_clips) { rounded_rectangle(cr, clip_box.box, clip_box.radius); cairo_clip(cr); } } void container_linux::draw_ellipse( cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color, int line_width ) { if(!cr || !width || !height) return; cairo_save(cr); apply_clip(cr); cairo_new_path(cr); cairo_translate (cr, x + width / 2.0, y + height / 2.0); cairo_scale (cr, width / 2.0, height / 2.0); cairo_arc (cr, 0, 0, 1, 0, 2 * M_PI); set_color(cr, color); cairo_set_line_width(cr, line_width); cairo_stroke(cr); cairo_restore(cr); } void container_linux::fill_ellipse( cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color ) { if(!cr || !width || !height) return; cairo_save(cr); apply_clip(cr); cairo_new_path(cr); cairo_translate (cr, x + width / 2.0, y + height / 2.0); cairo_scale (cr, width / 2.0, height / 2.0); cairo_arc (cr, 0, 0, 1, 0, 2 * M_PI); set_color(cr, color); cairo_fill(cr); cairo_restore(cr); } void container_linux::clear_images() { /* for(images_map::iterator i = m_images.begin(); i != m_images.end(); i++) { if(i->second) { delete i->second; } } m_images.clear(); */ } const char* container_linux::get_default_font_name() const { return "Times New Roman"; } std::shared_ptr container_linux::create_element(const char *tag_name, const litehtml::string_map &attributes, const std::shared_ptr &doc) { return nullptr; } void container_linux::rounded_rectangle( cairo_t* cr, const litehtml::position &pos, const litehtml::border_radiuses &radius ) { cairo_new_path(cr); if(radius.top_left_x && radius.top_left_y) { add_path_arc(cr, pos.left() + radius.top_left_x, pos.top() + radius.top_left_y, radius.top_left_x, radius.top_left_y, M_PI, M_PI * 3.0 / 2.0, false); } else { cairo_move_to(cr, pos.left(), pos.top()); } cairo_line_to(cr, pos.right() - radius.top_right_x, pos.top()); if(radius.top_right_x && radius.top_right_y) { add_path_arc(cr, pos.right() - radius.top_right_x, pos.top() + radius.top_right_y, radius.top_right_x, radius.top_right_y, M_PI * 3.0 / 2.0, 2.0 * M_PI, false); } cairo_line_to(cr, pos.right(), pos.bottom() - radius.bottom_right_x); if(radius.bottom_right_x && radius.bottom_right_y) { add_path_arc(cr, pos.right() - radius.bottom_right_x, pos.bottom() - radius.bottom_right_y, radius.bottom_right_x, radius.bottom_right_y, 0, M_PI / 2.0, false); } cairo_line_to(cr, pos.left() - radius.bottom_left_x, pos.bottom()); if(radius.bottom_left_x && radius.bottom_left_y) { add_path_arc(cr, pos.left() + radius.bottom_left_x, pos.bottom() - radius.bottom_left_y, radius.bottom_left_x, radius.bottom_left_y, M_PI / 2.0, M_PI, false); } } void container_linux::draw_pixbuf(cairo_t* cr, const Glib::RefPtr& bmp, int x, int y, int cx, int cy) { cairo_save(cr); { Cairo::RefPtr crobj(new Cairo::Context(cr, false)); cairo_matrix_t flib_m; cairo_matrix_init(&flib_m, 1, 0, 0, -1, 0, 0); if(cx != bmp->get_width() || cy != bmp->get_height()) { Glib::RefPtr new_img = bmp->scale_simple(cx, cy, Gdk::INTERP_BILINEAR); Gdk::Cairo::set_source_pixbuf(crobj, new_img, x, y); crobj->paint(); } else { Gdk::Cairo::set_source_pixbuf(crobj, bmp, x, y); crobj->paint(); } } cairo_restore(cr); } cairo_surface_t* container_linux::surface_from_pixbuf(const Glib::RefPtr& bmp) { cairo_surface_t* ret; if(bmp->get_has_alpha()) { ret = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, bmp->get_width(), bmp->get_height()); } else { ret = cairo_image_surface_create(CAIRO_FORMAT_RGB24, bmp->get_width(), bmp->get_height()); } Cairo::RefPtr surface(new Cairo::Surface(ret, false)); Cairo::RefPtr ctx = Cairo::Context::create(surface); Gdk::Cairo::set_source_pixbuf(ctx, bmp, 0.0, 0.0); ctx->paint(); return ret; } void container_linux::get_media_features(litehtml::media_features& media) const { litehtml::position client; get_client_rect(client); media.type = litehtml::media_type_screen; media.width = client.width; media.height = client.height; media.device_width = Gdk::screen_width(); media.device_height = Gdk::screen_height(); media.color = 8; media.monochrome = 0; media.color_index = 256; media.resolution = 96; } void container_linux::get_language(litehtml::string& language, litehtml::string& culture) const { language = "en"; culture = ""; } void container_linux::link(const std::shared_ptr &ptr, const litehtml::element::ptr& el) { } litehtml-litehtml-6ca1ab0/containers/linux/container_linux.h000066400000000000000000000100121455631435400245150ustar00rootroot00000000000000#ifndef LH_CONTAINER_LINUX_H #define LH_CONTAINER_LINUX_H #include "../../include/litehtml.h" #include #include #include struct cairo_clip_box { typedef std::vector vector; litehtml::position box; litehtml::border_radiuses radius; cairo_clip_box(const litehtml::position& vBox, const litehtml::border_radiuses& vRad) { box = vBox; radius = vRad; } cairo_clip_box(const cairo_clip_box& val) { box = val.box; radius = val.radius; } cairo_clip_box& operator=(const cairo_clip_box& val) { box = val.box; radius = val.radius; return *this; } }; struct cairo_font { PangoFontDescription* font; int size; bool underline; bool strikeout; int ascent; int descent; int underline_thickness; int underline_position; int strikethrough_thickness; int strikethrough_position; }; class container_linux : public litehtml::document_container { typedef std::map > images_map; protected: cairo_surface_t* m_temp_surface; cairo_t* m_temp_cr; images_map m_images; cairo_clip_box::vector m_clips; public: container_linux(); virtual ~container_linux(); litehtml::uint_ptr create_font(const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override; void delete_font(litehtml::uint_ptr hFont) override; int text_width(const char* text, litehtml::uint_ptr hFont) override; void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override; int pt_to_px(int pt) const override; int get_default_font_size() const override; const char* get_default_font_name() const override; void load_image(const char* src, const char* baseurl, bool redraw_on_ready) override; void get_image_size(const char* src, const char* baseurl, litehtml::size& sz) override; void draw_background(litehtml::uint_ptr hdc, const std::vector& bg) override; void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override; void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override; std::shared_ptr create_element(const char *tag_name, const litehtml::string_map &attributes, const std::shared_ptr &doc) override; void get_media_features(litehtml::media_features& media) const override; void get_language(litehtml::string& language, litehtml::string & culture) const override; void link(const std::shared_ptr &ptr, const litehtml::element::ptr& el) override; void transform_text(litehtml::string& text, litehtml::text_transform tt) override; void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) override; void del_clip() override; virtual void make_url( const char* url, const char* basepath, litehtml::string& out ); virtual Glib::RefPtr get_image(const char* url, bool redraw_on_ready) = 0; void clear_images(); protected: virtual void draw_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color, int line_width); virtual void fill_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color); virtual void rounded_rectangle( cairo_t* cr, const litehtml::position &pos, const litehtml::border_radiuses &radius ); private: void apply_clip(cairo_t* cr); static void add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg); static void set_color(cairo_t* cr, const litehtml::web_color& color) { cairo_set_source_rgba(cr, color.red / 255.0, color.green / 255.0, color.blue / 255.0, color.alpha / 255.0); } static cairo_surface_t* surface_from_pixbuf(const Glib::RefPtr& bmp); static void draw_pixbuf(cairo_t* cr, const Glib::RefPtr& bmp, int x, int y, int cx, int cy); }; #endif litehtml-litehtml-6ca1ab0/containers/test/000077500000000000000000000000001455631435400207715ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/test/Bitmap.cpp000066400000000000000000000062511455631435400227150ustar00rootroot00000000000000#include "Bitmap.h" #include "lodepng.h" using namespace std; web_color Bitmap::get_pixel(int x, int y) const { if (x < 0 || x >= width || y < 0 || y >= height) return web_color::black; else return data[x + y * width]; } void Bitmap::set_pixel(int x, int y, web_color color) { if (x < 0 || x >= width || y < 0 || y >= height) return; if (color.alpha == 0) return; data[x + y * width] = color; } // endpoint is not drawn, like in GDI void Bitmap::draw_line(int x0, int y0, int x1, int y1, web_color color) { if (x0 != x1 && y0 != y1) return; // only horz and vert lines supported if (x0 == x1) // vert line { if (y0 > y1) swap(y0, y1); for (int y = y0; y < y1; y++) set_pixel(x0, y, color); } else if (y0 == y1) // horz line { if (x0 > x1) swap(x0, x1); for (int x = x0; x < x1; x++) set_pixel(x, y0, color); } } void Bitmap::draw_rect(int x, int y, int width, int height, web_color color) { draw_line(x, y, x + width, y, color); // top draw_line(x, y + height - 1, x + width, y + height - 1, color); // bottom draw_line(x, y, x, y + height, color); // left draw_line(x + width - 1, y, x + width - 1, y + height, color); // right } void Bitmap::fill_rect(position rect, web_color color) { for (int y = rect.top(); y < rect.bottom(); y++) for (int x = rect.left(); x < rect.right(); x++) set_pixel(x, y, color); } void Bitmap::draw_bitmap(int x0, int y0, const Bitmap& bmp) { for (int y = 0; y < bmp.height; y++) for (int x = 0; x < bmp.width; x++) set_pixel(x0 + x, y0 + y, bmp.get_pixel(x, y)); } void Bitmap::replace_color(web_color original, web_color replacement) { for (auto& pixel : data) { if (pixel == original) pixel = replacement; } } // find minimal rectangle containing pixels different from bgcolor position Bitmap::find_picture(web_color bgcolor) { auto horz_line_empty = [&](int y) { for (int x = 0; x < width; x++) if (data[x + y * width] != bgcolor) return false; return true; }; auto vert_line_empty = [&](int x) { for (int y = 0; y < height; y++) if (data[x + y * width] != bgcolor) return false; return true; }; position pos; int y; for (y = 0; y < height && horz_line_empty(y); y++); if (y == height) return pos; // no picture pos.y = y; for (y = height - 1; y >= 0 && horz_line_empty(y); y--); pos.height = y + 1 - pos.y; int x; for (x = 0; x < width && vert_line_empty(x); x++); pos.x = x; for (x = width - 1; x >= 0 && vert_line_empty(x); x--); pos.width = x + 1 - pos.x; return pos; } void Bitmap::resize(int new_width, int new_height) { vector new_data(new_width * new_height, web_color::white); for (int y = 0; y < min(new_height, height); y++) for (int x = 0; x < min(new_width, width); x++) new_data[x + y * new_width] = data[x + y * width]; width = new_width; height = new_height; data = new_data; } void Bitmap::load(string filename) { vector image; unsigned w, h; lodepng::decode(image, w, h, filename); if (w * h == 0) return; width = w; height = h; data.resize(w * h); memcpy(data.data(), image.data(), w * h * 4); } void Bitmap::save(string filename) { lodepng::encode(filename, (byte*)data.data(), width, height); } litehtml-litehtml-6ca1ab0/containers/test/Bitmap.h000066400000000000000000000021021455631435400223510ustar00rootroot00000000000000#include using namespace litehtml; class Bitmap { public: int width = 0; int height = 0; std::vector data; Bitmap() {} Bitmap(int width, int height, web_color color = web_color::white) : width(width), height(height) { data.resize(width * height, color); } Bitmap(string filename) { load(filename); } bool operator==(const Bitmap& bmp) const { return width == bmp.width && height == bmp.height && data == bmp.data; } bool operator!=(const Bitmap& bmp) const { return !(*this == bmp); } web_color get_pixel(int x, int y) const; void set_pixel(int x, int y, web_color color); void draw_line(int x0, int y0, int x1, int y1, web_color color); void draw_rect(int x, int y, int width, int height, web_color color); void fill_rect(position rect, web_color color); void draw_bitmap(int x, int y, const Bitmap& bmp); void replace_color(web_color original, web_color replacement); position find_picture(web_color bgcolor = web_color::white); void resize(int new_width, int new_height); void load(string filename); void save(string filename); };litehtml-litehtml-6ca1ab0/containers/test/Font.cpp000066400000000000000000000057561455631435400224200ustar00rootroot00000000000000#define _CRT_SECURE_NO_WARNINGS #include "Font.h" string readfile(string filename); using namespace std; string Font::font_dir = "../containers/test/fonts/"; // ctest is run from litehtml/build Font::size_name Font::installed_fonts[] = { { 12, "terminus-ascii-bold-12px.yaff" }, { 14, "terminus-ascii-bold-14px.yaff" }, { 16, "terminus-ascii-bold-16px.yaff" }, { 18, "terminus-ascii-bold-18px.yaff" }, { 20, "terminus-ascii-bold-20px.yaff" }, { 22, "terminus-ascii-bold-22px.yaff" }, { 24, "terminus-ascii-bold-24px.yaff" }, { 28, "terminus-ascii-bold-28px.yaff" }, { 32, "terminus-ascii-bold-32px.yaff" }, { 0 } }; Font::Font(int size) { // find most suitable font int min_diff = 1000; int n = 0; for (int i = 0; installed_fonts[i].size; i++) { int diff = abs(installed_fonts[i].size - size); if (diff < min_diff) { min_diff = diff; n = i; } } load(font_dir + installed_fonts[n].name); } Bitmap Font::get_glyph(int ch, web_color color) { if (ch < 0 || ch >= 128 || glyphs[ch].width == 0) { Bitmap bmp(width, height, web_color::transparent); bmp.draw_rect(1, 1, width - 2, height - 2, color); return bmp; } else if (color != web_color::black) { Bitmap bmp = glyphs[ch]; bmp.replace_color(web_color::black, color); return bmp; } else { return glyphs[ch]; } } // load .yaff font file in an ad hoc manner (can't parse arbitrary yaff files) void Font::load(string filename) { string text = readfile(filename); string_vector lines; split_string(text, lines, "\n"); int i; // parse header for (i = 0; i < lines.size(); i++) { string line = lines[i]; trim(line); if (line == "" || line[0] == '#') continue; // skip empty lines and comments auto sep = line.find(':'); if (sep == -1) return; // line without ':' - error auto key = line.substr(0, sep); trim(key); auto val = line.substr(sep + 1); trim(val); if (val == "") break; // end of header if (key == "cell-size") sscanf(val.c_str(), "%d %d", &width, &height); else if (key == "ascent") ascent = atoi(val.c_str()); else if (key == "descent") descent = atoi(val.c_str()); } // parse glyphs // only u+NNNN: label is recognized, all others are skipped auto parse_key = [&]() { int ch = -1; for (; i < lines.size(); i++) { string line = lines[i]; trim(line); if (line == "") continue; if (line.find(':') == -1) break; // start of glyph data if (line.substr(0, 2) == "u+") sscanf(line.c_str(), "u+%X:", &ch); } return ch; }; auto parse_glyph = [&](int ch) { Bitmap& glyph = glyphs[ch] = Bitmap(width, height, web_color::transparent); for (int y = 0; i < lines.size() && y < height; i++, y++) { string line = lines[i]; trim(line); for (int x = 0; x < min((int)line.size(), width); x++) { if (line[x] == '@') glyph.set_pixel(x, y, web_color::black); } } }; while (i < lines.size()) { int ch = parse_key(); if (ch < 0 || ch >= 128) break; parse_glyph(ch); } x_height = glyphs['x'].find_picture(web_color::transparent).height; } litehtml-litehtml-6ca1ab0/containers/test/Font.h000066400000000000000000000005361455631435400220540ustar00rootroot00000000000000#include "Bitmap.h" class Font { public: int width = 0; int height = 0; int ascent = 0; int descent = 0; int x_height = 0; Bitmap glyphs[128]; static string font_dir; static struct size_name { int size; string name; } installed_fonts[]; Font(int size); Bitmap get_glyph(int ch, web_color color); void load(string filename); };litehtml-litehtml-6ca1ab0/containers/test/fonts/000077500000000000000000000000001455631435400221225ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/test/fonts/OFL.txt000066400000000000000000000104421455631435400233040ustar00rootroot00000000000000Copyright (C) 2020 Dimitar Toshkov Zhekov, with Reserved Font Name "Terminus Font". This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL ----------------------------------------------------------- SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007 ----------------------------------------------------------- PREAMBLE The goals of the Open Font License (OFL) are to stimulate worldwide development of collaborative font projects, to support the font creation efforts of academic and linguistic communities, and to provide a free and open framework in which fonts may be shared and improved in partnership with others. The OFL allows the licensed fonts to be used, studied, modified and redistributed freely as long as they are not sold by themselves. The fonts, including any derivative works, can be bundled, embedded, redistributed and/or sold with any software provided that any reserved names are not used by derivative works. The fonts and derivatives, however, cannot be released under any other type of license. The requirement for fonts to remain under this license does not apply to any document created using the fonts or their derivatives. DEFINITIONS "Font Software" refers to the set of files released by the Copyright Holder(s) under this license and clearly marked as such. This may include source files, build scripts and documentation. "Reserved Font Name" refers to any names specified as such after the copyright statement(s). "Original Version" refers to the collection of Font Software components as distributed by the Copyright Holder(s). "Modified Version" refers to any derivative made by adding to, deleting, or substituting -- in part or in whole -- any of the components of the Original Version, by changing formats or by porting the Font Software to a new environment. "Author" refers to any designer, engineer, programmer, technical writer or other person who contributed to the Font Software. PERMISSION & CONDITIONS Permission is hereby granted, free of charge, to any person obtaining a copy of the Font Software, to use, study, copy, merge, embed, modify, redistribute, and sell modified and unmodified copies of the Font Software, subject to the following conditions: 1) Neither the Font Software nor any of its individual components, in Original or Modified Versions, may be sold by itself. 2) Original or Modified Versions of the Font Software may be bundled, redistributed and/or sold with any software, provided that each copy contains the above copyright notice and this license. These can be included either as stand-alone text files, human-readable headers or in the appropriate machine-readable metadata fields within text or binary files as long as those fields can be easily viewed by the user. 3) No Modified Version of the Font Software may use the Reserved Font Name(s) unless explicit written permission is granted by the corresponding Copyright Holder. This restriction only applies to the primary font name as presented to the users. 4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font Software shall not be used to promote, endorse or advertise any Modified Version, except to acknowledge the contribution(s) of the Copyright Holder(s) and the Author(s) or with their explicit written permission. 5) The Font Software, modified or unmodified, in part or in whole, must be distributed entirely under this license, and must not be distributed under any other license. The requirement for fonts to remain under this license does not apply to any document created using the Font Software. TERMINATION This license becomes null and void if any of the above conditions are not met. DISCLAIMER THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE. litehtml-litehtml-6ca1ab0/containers/test/fonts/readme.txt000066400000000000000000000007561455631435400241300ustar00rootroot00000000000000Note: Fonts in this directory are not automatically picked up, you have to update Font::installed_fonts. Terminus Font: Sizes: 6x12, 8x14, 8x16, 10x18, 10x20, 11x22, 12x24, 14x28, 16x32. https://terminus-font.sourceforge.net https://sourceforge.net/projects/terminus-font/files/terminus-font-4.49/terminus-font-4.49.1.tar.gz bdf -> yaff conversion: https://github.com/robhagemans/monobit pip install monobit monobit-convert ter-u14b.bdf to ter-u14b.yaff then manually removed non-ascii chars litehtml-litehtml-6ca1ab0/containers/test/fonts/terminus-ascii-bold-12px.yaff000066400000000000000000000374031455631435400274420ustar00rootroot00000000000000name: Terminus Bold 6x12 spacing: character-cell cell-size: 6 12 family: Terminus foundry: xos4 copyright: Copyright (C) 2020 Dimitar Toshkov Zhekov notice: Licensed under the SIL Open Font License, Version 1.1 point-size: 12 weight: bold slant: roman setwidth: normal dpi: 72 72 average-width: 6 ascent: 10 descent: 2 shift-up: -2 encoding: iso10646-1 default-char: u+fffd min-word-space: 6 converter: monobit v0.32 source-name: ter-u12b.bdf source-format: BDF v2.1 history: load --format=bdf u+0000: char0: ...... ...... @@.@@. @...@. ...... @...@. @...@. ...... @...@. @@.@@. ...... ...... u+0020: space: ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... u+0021: exclam: ...... ...... ..@... ..@... ..@... ..@... ..@... ...... ..@... ..@... ...... ...... u+0022: quotedbl: ...... .@.@.. .@.@.. .@.@.. ...... ...... ...... ...... ...... ...... ...... ...... u+0023: numbersign: ...... ...... .@.@.. .@.@.. @@@@@. .@.@.. .@.@.. @@@@@. .@.@.. .@.@.. ...... ...... u+0024: dollar: ...... ...... ..@... .@@@.. @.@.@. @.@... .@@@.. ..@.@. @.@.@. .@@@.. ..@... ...... u+0025: percent: ...... ...... .@..@. @.@.@. .@.@.. ...@.. ..@... ..@.@. .@.@.@ .@..@. ...... ...... u+0026: ampersand: ...... ...... ..@... .@.@.. .@.@.. ..@... .@@.@. @..@.. @..@.. .@@.@. ...... ...... u+0027: quotesingle: ...... ..@... ..@... ..@... ...... ...... ...... ...... ...... ...... ...... ...... u+0028: parenleft: ...... ...... ...@.. ..@... .@.... .@.... .@.... .@.... ..@... ...@.. ...... ...... u+0029: parenright: ...... ...... .@.... ..@... ...@.. ...@.. ...@.. ...@.. ..@... .@.... ...... ...... u+002a: asterisk: ...... ...... ...... ...... .@.@.. ..@... @@@@@. ..@... .@.@.. ...... ...... ...... u+002b: plus: ...... ...... ...... ...... ..@... ..@... @@@@@. ..@... ..@... ...... ...... ...... u+002c: comma: ...... ...... ...... ...... ...... ...... ...... ...... ..@... ..@... .@.... ...... u+002d: hyphen: ...... ...... ...... ...... ...... ...... @@@@@. ...... ...... ...... ...... ...... u+002e: period: ...... ...... ...... ...... ...... ...... ...... ...... ..@... ..@... ...... ...... u+002f: slash: ...... ...... ....@. ....@. ...@.. ...@.. ..@... ..@... .@.... .@.... ...... ...... u+0030: zero: ...... ...... .@@@.. @...@. @..@@. @.@.@. @@..@. @...@. @...@. .@@@.. ...... ...... u+0031: one: ...... ...... ..@... .@@... ..@... ..@... ..@... ..@... ..@... .@@@.. ...... ...... u+0032: two: ...... ...... .@@@.. @...@. @...@. ....@. ...@.. ..@... .@.... @@@@@. ...... ...... u+0033: three: ...... ...... .@@@.. @...@. ....@. ..@@.. ....@. ....@. @...@. .@@@.. ...... ...... u+0034: four: ...... ...... ....@. ...@@. ..@.@. .@..@. @...@. @@@@@. ....@. ....@. ...... ...... u+0035: five: ...... ...... @@@@@. @..... @..... @@@@.. ....@. ....@. @...@. .@@@.. ...... ...... u+0036: six: ...... ...... .@@@.. @..... @..... @@@@.. @...@. @...@. @...@. .@@@.. ...... ...... u+0037: seven: ...... ...... @@@@@. ....@. ....@. ...@.. ...@.. ..@... ..@... ..@... ...... ...... u+0038: eight: ...... ...... .@@@.. @...@. @...@. .@@@.. @...@. @...@. @...@. .@@@.. ...... ...... u+0039: nine: ...... ...... .@@@.. @...@. @...@. @...@. .@@@@. ....@. ....@. .@@@.. ...... ...... u+003a: colon: ...... ...... ...... ...... ..@... ..@... ...... ...... ..@... ..@... ...... ...... u+003b: semicolon: ...... ...... ...... ...... ..@... ..@... ...... ...... ..@... ..@... .@.... ...... u+003c: less: ...... ...... ...... ....@. ...@.. ..@... .@.... ..@... ...@.. ....@. ...... ...... u+003d: equal: ...... ...... ...... ...... @@@@@. ...... ...... @@@@@. ...... ...... ...... ...... u+003e: greater: ...... ...... ...... .@.... ..@... ...@.. ....@. ...@.. ..@... .@.... ...... ...... u+003f: question: ...... ...... .@@@.. @...@. @...@. ...@.. ..@... ...... ..@... ..@... ...... ...... u+0040: at: ...... ...... .@@@.. @...@. @..@@. @.@.@. @.@.@. @..@@. @..... .@@@@. ...... ...... u+0041: "A": ...... ...... .@@@.. @...@. @...@. @...@. @@@@@. @...@. @...@. @...@. ...... ...... u+0042: "B": ...... ...... @@@@.. @...@. @...@. @@@@.. @...@. @...@. @...@. @@@@.. ...... ...... u+0043: "C": ...... ...... .@@@.. @...@. @..... @..... @..... @..... @...@. .@@@.. ...... ...... u+0044: "D": ...... ...... @@@... @..@.. @...@. @...@. @...@. @...@. @..@.. @@@... ...... ...... u+0045: "E": ...... ...... @@@@@. @..... @..... @@@@.. @..... @..... @..... @@@@@. ...... ...... u+0046: "F": ...... ...... @@@@@. @..... @..... @@@@.. @..... @..... @..... @..... ...... ...... u+0047: "G": ...... ...... .@@@.. @...@. @..... @..... @.@@@. @...@. @...@. .@@@.. ...... ...... u+0048: "H": ...... ...... @...@. @...@. @...@. @@@@@. @...@. @...@. @...@. @...@. ...... ...... u+0049: "I": ...... ...... .@@@.. ..@... ..@... ..@... ..@... ..@... ..@... .@@@.. ...... ...... u+004a: "J": ...... ...... ..@@@. ...@.. ...@.. ...@.. ...@.. @..@.. @..@.. .@@... ...... ...... u+004b: "K": ...... ...... @...@. @..@.. @.@... @@.... @@.... @.@... @..@.. @...@. ...... ...... u+004c: "L": ...... ...... @..... @..... @..... @..... @..... @..... @..... @@@@@. ...... ...... u+004d: "M": ...... ...... @...@. @@.@@. @.@.@. @.@.@. @...@. @...@. @...@. @...@. ...... ...... u+004e: "N": ...... ...... @...@. @...@. @@..@. @.@.@. @..@@. @...@. @...@. @...@. ...... ...... u+004f: "O": ...... ...... .@@@.. @...@. @...@. @...@. @...@. @...@. @...@. .@@@.. ...... ...... u+0050: "P": ...... ...... @@@@.. @...@. @...@. @...@. @@@@.. @..... @..... @..... ...... ...... u+0051: "Q": ...... ...... .@@@.. @...@. @...@. @...@. @...@. @...@. @.@.@. .@@@.. ....@. ...... u+0052: "R": ...... ...... @@@@.. @...@. @...@. @...@. @@@@.. @.@... @..@.. @...@. ...... ...... u+0053: "S": ...... ...... .@@@.. @...@. @..... .@@@.. ....@. ....@. @...@. .@@@.. ...... ...... u+0054: "T": ...... ...... @@@@@. ..@... ..@... ..@... ..@... ..@... ..@... ..@... ...... ...... u+0055: "U": ...... ...... @...@. @...@. @...@. @...@. @...@. @...@. @...@. .@@@.. ...... ...... u+0056: "V": ...... ...... @...@. @...@. @...@. .@.@.. .@.@.. .@.@.. ..@... ..@... ...... ...... u+0057: "W": ...... ...... @...@. @...@. @...@. @...@. @.@.@. @.@.@. @@.@@. @...@. ...... ...... u+0058: "X": ...... ...... @...@. @...@. .@.@.. ..@... ..@... .@.@.. @...@. @...@. ...... ...... u+0059: "Y": ...... ...... @...@. @...@. .@.@.. .@.@.. ..@... ..@... ..@... ..@... ...... ...... u+005a: "Z": ...... ...... @@@@@. ....@. ...@.. ..@... .@.... @..... @..... @@@@@. ...... ...... u+005b: bracketleft: ...... ...... .@@@.. .@.... .@.... .@.... .@.... .@.... .@.... .@@@.. ...... ...... u+005c: backslash: ...... ...... .@.... .@.... ..@... ..@... ...@.. ...@.. ....@. ....@. ...... ...... u+005d: bracketright: ...... ...... .@@@.. ...@.. ...@.. ...@.. ...@.. ...@.. ...@.. .@@@.. ...... ...... u+005e: asciicircum: ...... ..@... .@.@.. @...@. ...... ...... ...... ...... ...... ...... ...... ...... u+005f: underscore: ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... @@@@@. ...... u+0060: grave: .@.... ..@... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... u+0061: "a": ...... ...... ...... ...... .@@@.. ....@. .@@@@. @...@. @...@. .@@@@. ...... ...... u+0062: "b": ...... ...... @..... @..... @@@@.. @...@. @...@. @...@. @...@. @@@@.. ...... ...... u+0063: "c": ...... ...... ...... ...... .@@@.. @...@. @..... @..... @...@. .@@@.. ...... ...... u+0064: "d": ...... ...... ....@. ....@. .@@@@. @...@. @...@. @...@. @...@. .@@@@. ...... ...... u+0065: 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......@@...... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... .............. .............. .............. .............. .............. .............. u+007d: braceright: .............. .............. .............. .............. ...@@@........ ...@@@@....... .....@@@...... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... .......@@@.... .......@@@.... ......@@...... ......@@...... ......@@...... ......@@...... ......@@...... .....@@@...... ...@@@@....... ...@@@........ .............. .............. .............. .............. .............. .............. u+007e: asciitilde: .............. .............. ..@@@@....@@.. .@@@@@@...@@.. .@@..@@@..@@.. .@@...@@@@@@.. .@@....@@@@... .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. .............. litehtml-litehtml-6ca1ab0/containers/test/fonts/terminus-ascii-bold-32px.yaff000066400000000000000000002104071455631435400274410ustar00rootroot00000000000000name: Terminus Bold 16x32 spacing: character-cell cell-size: 16 32 family: Terminus foundry: xos4 copyright: Copyright (C) 2020 Dimitar Toshkov Zhekov notice: Licensed under the SIL Open Font License, Version 1.1 point-size: 32 weight: bold slant: roman setwidth: normal dpi: 72 72 average-width: 16 ascent: 26 descent: 6 shift-up: -6 encoding: iso10646-1 default-char: u+fffd min-word-space: 16 converter: monobit v0.32 source-name: ter-u32b.bdf source-format: BDF v2.1 history: load --format=bdf u+0000: char0: ................ ................ ................ ................ ................ ................ .@@@@@...@@@@@.. .@@@@@...@@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@@...@@@@@.. .@@@@@...@@@@@.. ................ ................ ................ ................ ................ ................ u+0020: space: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+0021: exclam: ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+0022: quotedbl: ................ ................ ................ ................ ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+0023: numbersign: ................ ................ ................ ................ ................ ................ ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ................ ................ ................ ................ ................ ................ u+0024: dollar: ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.@@@.@@@@.. .@@@..@@@..@@@.. .@@@..@@@....... .@@@..@@@....... .@@@..@@@....... .@@@@.@@@....... ..@@@@@@@@@@.... ...@@@@@@@@@@... ......@@@.@@@@.. ......@@@..@@@.. ......@@@..@@@.. ......@@@..@@@.. .@@@..@@@..@@@.. .@@@@.@@@.@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ u+0025: percent: ................ ................ ................ ................ ................ ................ ...@@@@@...@@@.. ..@@@@@@@..@@@.. ..@@@.@@@.@@@... ..@@@.@@@.@@@... ..@@@@@@@@@@.... ...@@@@@.@@@.... ........@@@..... ........@@@..... .......@@@...... .......@@@...... ......@@@....... ......@@@....... .....@@@........ .....@@@........ ....@@@.@@@@@... ....@@@@@@@@@@.. ...@@@.@@@.@@@.. ...@@@.@@@.@@@.. ..@@@..@@@@@@@.. ..@@@...@@@@@... ................ ................ ................ ................ ................ ................ u+0026: ampersand: ................ ................ ................ ................ ................ ................ ....@@@@@@...... ...@@@@@@@@..... ..@@@....@@@.... ..@@@....@@@.... ..@@@....@@@.... ..@@@....@@@.... ..@@@....@@@.... ...@@@..@@@..... ....@@@@@@...... ....@@@@@....... ...@@@@@@@..@@@. ..@@@...@@@.@@@. .@@@.....@@@@@.. .@@@......@@@... .@@@......@@@... .@@@......@@@... .@@@......@@@... .@@@@....@@@@@.. ..@@@@@@@@@.@@@. ...@@@@@@@..@@@. ................ ................ ................ ................ ................ ................ u+0027: quotesingle: ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+0028: parenleft: ................ ................ ................ ................ ................ ................ ........@@@..... .......@@@...... ......@@@....... .....@@@........ .....@@@........ ....@@@......... ....@@@......... ....@@@......... ....@@@......... ....@@@......... ....@@@......... ....@@@......... ....@@@......... ....@@@......... ....@@@......... .....@@@........ .....@@@........ ......@@@....... .......@@@...... ........@@@..... ................ ................ ................ ................ ................ ................ u+0029: parenright: ................ ................ ................ ................ ................ ................ ....@@@......... .....@@@........ ......@@@....... .......@@@...... .......@@@...... ........@@@..... ........@@@..... ........@@@..... ........@@@..... ........@@@..... ........@@@..... ........@@@..... ........@@@..... ........@@@..... ........@@@..... .......@@@...... .......@@@...... ......@@@....... .....@@@........ ....@@@......... ................ ................ ................ ................ ................ ................ u+002a: asterisk: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ..@@@.....@@@... ...@@@...@@@.... ....@@@.@@@..... .....@@@@@...... ......@@@....... .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ......@@@....... .....@@@@@...... ....@@@.@@@..... ...@@@...@@@.... ..@@@.....@@@... ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+002b: plus: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+002c: comma: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... .....@@@........ ....@@@......... ................ ................ ................ ................ u+002d: hyphen: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+002e: period: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+002f: slash: ................ ................ ................ ................ ................ ................ ...........@@@.. ...........@@@.. ..........@@@... ..........@@@... .........@@@.... .........@@@.... ........@@@..... ........@@@..... .......@@@...... .......@@@...... ......@@@....... ......@@@....... .....@@@........ .....@@@........ ....@@@......... ....@@@......... ...@@@.......... ...@@@.......... ..@@@........... ..@@@........... ................ ................ ................ ................ ................ ................ u+0030: zero: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@@.. .@@@.....@@@@@.. .@@@....@@@@@@.. .@@@...@@@.@@@.. .@@@..@@@..@@@.. .@@@.@@@...@@@.. .@@@@@@....@@@.. .@@@@@.....@@@.. .@@@@......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0031: one: ................ ................ ................ ................ ................ ................ ......@@@....... .....@@@@....... ....@@@@@....... ...@@@@@@....... ...@@@@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ...@@@@@@@@@.... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0032: two: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ...........@@@.. ..........@@@... .........@@@.... ........@@@..... .......@@@...... ......@@@....... .....@@@........ ....@@@......... ...@@@.......... ..@@@........... .@@@............ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+0033: three: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ..........@@@@.. ....@@@@@@@@@... ....@@@@@@@@@... ..........@@@@.. ...........@@@.. ...........@@@.. ...........@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0034: four: ................ ................ ................ ................ ................ ................ ...........@@@.. ..........@@@@.. .........@@@@@.. ........@@@@@@.. .......@@@.@@@.. ......@@@..@@@.. .....@@@...@@@.. ....@@@....@@@.. ...@@@.....@@@.. ..@@@......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ................ ................ ................ ................ ................ ................ u+0035: five: ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@@.... .@@@@@@@@@@@@... ..........@@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0036: six: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@@... ..@@@@@@@@@@@... .@@@@........... .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0037: seven: ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@... ..........@@@... .........@@@.... .........@@@.... ........@@@..... ........@@@..... .......@@@...... .......@@@...... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+0038: eight: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0039: nine: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ..........@@@@.. ..@@@@@@@@@@@... ..@@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+003a: colon: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+003b: semicolon: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... .....@@@........ ....@@@......... ................ ................ ................ ................ u+003c: less: ................ ................ ................ ................ ................ ................ ...........@@@.. ..........@@@... .........@@@.... ........@@@..... .......@@@...... ......@@@....... .....@@@........ ....@@@......... ...@@@.......... ..@@@........... ..@@@........... ...@@@.......... ....@@@......... .....@@@........ ......@@@....... .......@@@...... ........@@@..... .........@@@.... ..........@@@... ...........@@@.. ................ ................ ................ ................ ................ ................ u+003d: equal: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+003e: greater: ................ ................ ................ ................ ................ ................ ..@@@........... ...@@@.......... ....@@@......... .....@@@........ ......@@@....... .......@@@...... ........@@@..... .........@@@.... ..........@@@... ...........@@@.. ...........@@@.. ..........@@@... .........@@@.... ........@@@..... .......@@@...... ......@@@....... .....@@@........ ....@@@......... ...@@@.......... ..@@@........... ................ ................ ................ ................ ................ ................ u+003f: question: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ..........@@@... .........@@@.... ........@@@..... .......@@@...... ......@@@....... ......@@@....... ......@@@....... ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+0040: at: ................ ................ ................ ................ ................ ................ ...@@@@@@@@@@... ..@@@@@@@@@@@@.. .@@@@.......@@@. .@@@.........@@. .@@@...@@@@@@@@. .@@@..@@@@@@@@@. .@@@.@@@@...@@@. .@@@.@@@....@@@. .@@@.@@@....@@@. .@@@.@@@....@@@. .@@@.@@@....@@@. .@@@.@@@....@@@. .@@@.@@@....@@@. .@@@.@@@@..@@@@. .@@@..@@@@@@@@@. .@@@...@@@@@.@@. .@@@............ .@@@@........... ..@@@@@@@@@@@@@. ...@@@@@@@@@@@@. ................ ................ ................ ................ ................ ................ u+0041: "A": ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+0042: "B": ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@... .@@@@@@@@@@@.... .@@@@@@@@@@@.... .@@@......@@@... .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@@.. .@@@@@@@@@@@@... .@@@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0043: "C": ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0044: "D": ................ ................ ................ ................ ................ ................ .@@@@@@@@@...... .@@@@@@@@@@@.... .@@@.....@@@@... .@@@......@@@... .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@... .@@@.....@@@@... .@@@@@@@@@@@.... .@@@@@@@@@...... ................ ................ ................ ................ ................ ................ u+0045: "E": ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@..... .@@@@@@@@@@..... .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+0046: "F": ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@..... .@@@@@@@@@@..... .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ ................ ................ ................ ................ ................ ................ u+0047: "G": ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@............ .@@@............ .@@@............ .@@@............ .@@@...@@@@@@@.. .@@@...@@@@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0048: "H": ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+0049: "I": ................ ................ ................ ................ ................ ................ ....@@@@@@@..... ....@@@@@@@..... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ....@@@@@@@..... ....@@@@@@@..... ................ ................ ................ ................ ................ ................ u+004a: "J": ................ ................ ................ ................ ................ ................ ........@@@@@@@. ........@@@@@@@. ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... .@@@......@@@... .@@@......@@@... .@@@......@@@... .@@@@....@@@@... ..@@@@@@@@@@.... ...@@@@@@@@..... ................ ................ ................ ................ ................ ................ u+004b: "K": ................ ................ ................ ................ ................ ................ .@@@........@@.. .@@@.......@@@.. .@@@......@@@... .@@@.....@@@.... .@@@....@@@..... .@@@...@@@...... .@@@..@@@....... .@@@.@@@........ .@@@@@@......... .@@@@@.......... .@@@@@.......... .@@@@@@......... .@@@.@@@........ .@@@..@@@....... .@@@...@@@...... .@@@....@@@..... .@@@.....@@@.... .@@@......@@@... .@@@.......@@@.. .@@@........@@.. ................ ................ ................ ................ ................ ................ u+004c: "L": ................ ................ ................ ................ ................ ................ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+004d: "M": ................ ................ ................ ................ ................ ................ .@@@........@@@. .@@@........@@@. .@@@@......@@@@. .@@@@@....@@@@@. .@@@@@@..@@@@@@. .@@@@@@..@@@@@@. .@@@.@@@@@@.@@@. .@@@..@@@@..@@@. .@@@..@@@@..@@@. .@@@...@@...@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. ................ ................ ................ ................ ................ ................ u+004e: "N": ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. .@@@@@.....@@@.. .@@@@@@....@@@.. .@@@.@@@...@@@.. .@@@..@@@..@@@.. .@@@...@@@.@@@.. .@@@....@@@@@@.. .@@@.....@@@@@.. .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+004f: "O": ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0050: "P": ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@@.. .@@@@@@@@@@@@... .@@@@@@@@@@@.... .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ ................ ................ ................ ................ ................ ................ u+0051: "Q": ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@..@@@..@@@.. .@@@@..@@@@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ..........@@@... ...........@@@.. ................ ................ ................ ................ u+0052: "R": ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@@.. .@@@@@@@@@@@@... .@@@@@@@@@@@.... .@@@@@@......... .@@@.@@@........ .@@@..@@@....... .@@@...@@@...... .@@@....@@@..... .@@@.....@@@.... .@@@......@@@... .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+0053: "S": ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@............ .@@@............ .@@@............ .@@@@........... ..@@@@@@@@@@.... ...@@@@@@@@@@... ..........@@@@.. ...........@@@.. ...........@@@.. ...........@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0054: "T": ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... 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...@@@...@@@.... ....@@@.@@@..... ....@@@.@@@..... ....@@@.@@@..... .....@@@@@...... .....@@@@@...... .....@@@@@...... ................ ................ ................ ................ ................ ................ u+0057: "W": ................ ................ ................ ................ ................ ................ .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@........@@@. .@@@...@@...@@@. .@@@..@@@@..@@@. .@@@..@@@@..@@@. .@@@.@@@@@@.@@@. .@@@@@@..@@@@@@. .@@@@@@..@@@@@@. .@@@@@....@@@@@. .@@@@......@@@@. .@@@........@@@. .@@@........@@@. ................ ................ ................ ................ ................ ................ u+0058: "X": ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. ..@@@.....@@@... ..@@@.....@@@... ...@@@...@@@.... ...@@@...@@@.... ....@@@.@@@..... ....@@@.@@@..... .....@@@@@...... .....@@@@@...... .....@@@@@...... .....@@@@@...... ....@@@.@@@..... ....@@@.@@@..... ...@@@...@@@.... ...@@@...@@@.... ..@@@.....@@@... ..@@@.....@@@... .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+0059: "Y": ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ..@@@.....@@@... ..@@@.....@@@... ...@@@...@@@.... ...@@@...@@@.... ....@@@.@@@..... ....@@@.@@@..... .....@@@@@...... .....@@@@@...... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+005a: "Z": ................ ................ ................ ................ ................ 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................ ................ u+005c: backslash: ................ ................ ................ ................ ................ ................ ..@@@........... ..@@@........... ...@@@.......... ...@@@.......... ....@@@......... ....@@@......... .....@@@........ .....@@@........ ......@@@....... ......@@@....... .......@@@...... .......@@@...... ........@@@..... ........@@@..... .........@@@.... .........@@@.... ..........@@@... ..........@@@... ...........@@@.. ...........@@@.. ................ ................ ................ ................ ................ ................ u+005d: bracketright: ................ ................ ................ ................ ................ ................ ....@@@@@@@@.... ....@@@@@@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... .........@@@.... ....@@@@@@@@.... ....@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+005e: asciicircum: ................ ................ ................ ................ ......@@@....... .....@@@@@...... ....@@@.@@@..... ...@@@...@@@.... ..@@@.....@@@... .@@@.......@@@.. ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+005f: underscore: ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ u+0060: grave: ................ ................ ...@@@.......... ....@@@......... .....@@@........ ......@@@....... ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ u+0061: "a": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ..@@@@@@@@@@.... ..@@@@@@@@@@@... ..........@@@@.. ...........@@@.. ...........@@@.. ...@@@@@@@@@@@.. ..@@@@@@@@@@@@.. .@@@@......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+0062: "b": ................ ................ ................ ................ ................ ................ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@@.. .@@@@@@@@@@@@... .@@@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0063: "c": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0064: "d": ................ ................ ................ ................ ................ ................ ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...@@@@@@@@@@@.. ..@@@@@@@@@@@@.. .@@@@......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+0065: "e": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. .@@@............ .@@@............ .@@@............ .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@... ................ ................ ................ ................ ................ ................ u+0066: "f": ................ ................ ................ ................ ................ ................ ........@@@@@@@. .......@@@@@@@@. ......@@@@...... ......@@@....... ......@@@....... ......@@@....... ..@@@@@@@@@@@... ..@@@@@@@@@@@... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+0067: "g": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ...@@@@@@@@@@@.. ..@@@@@@@@@@@@.. .@@@@......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ...........@@@.. ...........@@@.. ..........@@@@.. ..@@@@@@@@@@@... ..@@@@@@@@@@.... ................ u+0068: "h": ................ ................ ................ ................ ................ ................ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+0069: "i": ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ....@@@@@....... ....@@@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ....@@@@@@@..... ....@@@@@@@..... ................ ................ ................ ................ ................ ................ u+006a: "j": ................ ................ ................ ................ ................ ................ ..........@@@... ..........@@@... ..........@@@... ..........@@@... ................ ................ ........@@@@@... ........@@@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..........@@@... ..@@@.....@@@... ..@@@.....@@@... ..@@@@...@@@@... ...@@@@@@@@@.... ....@@@@@@@..... ................ u+006b: "k": ................ ................ ................ ................ ................ ................ ..@@@........... ..@@@........... ..@@@........... ..@@@........... ..@@@........... ..@@@........... ..@@@......@@@.. ..@@@.....@@@... ..@@@....@@@.... ..@@@...@@@..... ..@@@..@@@...... ..@@@.@@@....... ..@@@@@@........ ..@@@@@@........ ..@@@.@@@....... ..@@@..@@@...... ..@@@...@@@..... ..@@@....@@@.... ..@@@.....@@@... ..@@@......@@@.. ................ ................ ................ ................ ................ 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.@@@..@@@..@@@.. .@@@..@@@..@@@.. ................ ................ ................ ................ ................ ................ u+006e: "n": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+006f: "o": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0070: "p": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@.... .@@@@@@@@@@@@... .@@@......@@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@......@@@@.. .@@@@@@@@@@@@... .@@@@@@@@@@@.... .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ ................ u+0071: "q": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ...@@@@@@@@@@@.. ..@@@@@@@@@@@@.. .@@@@......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ...........@@@.. ................ u+0072: "r": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@..@@@@@@@@.. .@@@.@@@@@@@@@.. .@@@@@@......... .@@@@@.......... .@@@@........... .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ .@@@............ ................ ................ ................ ................ ................ ................ u+0073: "s": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ...@@@@@@@@@.... ..@@@@@@@@@@@... .@@@@.....@@@@.. .@@@............ .@@@............ .@@@@........... ..@@@@@@@@@@.... ...@@@@@@@@@@... ..........@@@@.. ...........@@@.. ...........@@@.. .@@@@.....@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0074: "t": ................ ................ ................ ................ ................ ................ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .@@@@@@@@@@@.... .@@@@@@@@@@@.... .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@@....... ......@@@@@@@@.. .......@@@@@@@.. ................ ................ ................ ................ ................ ................ u+0075: "u": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+0076: "v": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ..@@@.....@@@... ..@@@.....@@@... ..@@@.....@@@... ...@@@...@@@.... ...@@@...@@@.... ...@@@...@@@.... ....@@@.@@@..... ....@@@.@@@..... .....@@@@@...... .....@@@@@...... .....@@@@@...... ................ ................ ................ ................ ................ ................ u+0077: "w": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@..@@@..@@@.. .@@@..@@@..@@@.. .@@@..@@@..@@@.. .@@@..@@@..@@@.. .@@@..@@@..@@@.. .@@@..@@@..@@@.. .@@@..@@@..@@@.. .@@@@.@@@.@@@@.. ..@@@@@@@@@@@... ...@@@@@@@@@.... ................ ................ ................ ................ ................ ................ u+0078: "x": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ..@@@.....@@@... ...@@@...@@@.... ....@@@.@@@..... .....@@@@@...... .....@@@@@...... ....@@@.@@@..... ...@@@...@@@.... ..@@@.....@@@... .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. ................ ................ ................ ................ ................ ................ u+0079: "y": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@.......@@@.. .@@@@......@@@.. ..@@@@@@@@@@@@.. ...@@@@@@@@@@@.. ...........@@@.. ...........@@@.. ..........@@@@.. ..@@@@@@@@@@@... ..@@@@@@@@@@.... ................ u+007a: "z": ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ..........@@@... .........@@@.... ........@@@..... .......@@@...... ......@@@....... .....@@@........ ....@@@......... ...@@@.......... ..@@@........... .@@@............ .@@@@@@@@@@@@@.. .@@@@@@@@@@@@@.. ................ ................ ................ ................ ................ ................ u+007b: braceleft: ................ ................ ................ ................ ................ ................ .......@@@@@.... ......@@@@@@.... .....@@@@....... .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ ..@@@@@......... ..@@@@@......... .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@........ .....@@@@....... ......@@@@@@.... .......@@@@@.... ................ ................ ................ ................ ................ ................ u+007c: bar: ................ ................ ................ ................ ................ ................ ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ................ ................ ................ ................ ................ ................ u+007d: braceright: ................ ................ ................ ................ ................ ................ ..@@@@@......... ..@@@@@@........ .....@@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... .......@@@@@.... .......@@@@@.... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... ......@@@....... .....@@@@....... ..@@@@@@........ ..@@@@@......... ................ ................ ................ ................ ................ ................ u+007e: asciitilde: ................ ................ ................ ................ ...@@@@....@@@.. ..@@@@@@...@@@.. .@@@.@@@@..@@@.. .@@@..@@@@.@@@.. .@@@...@@@@@@... .@@@....@@@@.... ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ ................ litehtml-litehtml-6ca1ab0/containers/test/lodepng.cpp000066400000000000000000010270731455631435400231370ustar00rootroot00000000000000// stasoid: disabled warnings 4334 and 4267 /* LodePNG version 20221108 Copyright (c) 2005-2022 Lode Vandevenne This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. */ /* The manual and changelog are in the header file "lodepng.h" Rename this file to lodepng.cpp to use it for C++, or to lodepng.c to use it for C. */ #include "lodepng.h" #ifdef LODEPNG_COMPILE_DISK #include /* LONG_MAX */ #include /* file handling */ #endif /* LODEPNG_COMPILE_DISK */ #ifdef LODEPNG_COMPILE_ALLOCATORS #include /* allocations */ #endif /* LODEPNG_COMPILE_ALLOCATORS */ #if defined(_MSC_VER) && (_MSC_VER >= 1310) /*Visual Studio: A few warning types are not desired here.*/ #pragma warning( disable : 4244 ) /*implicit conversions: not warned by gcc -Wall -Wextra and requires too much casts*/ #pragma warning( disable : 4996 ) /*VS does not like fopen, but fopen_s is not standard C so unusable here*/ #pragma warning( disable : 4334 ) // result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) #pragma warning( disable : 4267 ) // conversion from 'size_t' to 'unsigned short', possible loss of data #endif /*_MSC_VER */ const char* LODEPNG_VERSION_STRING = "20221108"; /* This source file is divided into the following large parts. The code sections with the "LODEPNG_COMPILE_" #defines divide this up further in an intermixed way. -Tools for C and common code for PNG and Zlib -C Code for Zlib (huffman, deflate, ...) -C Code for PNG (file format chunks, adam7, PNG filters, color conversions, ...) -The C++ wrapper around all of the above */ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ /* // Tools for C, and common code for PNG and Zlib. // */ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ /*The malloc, realloc and free functions defined here with "lodepng_" in front of the name, so that you can easily change them to others related to your platform if needed. Everything else in the code calls these. Pass -DLODEPNG_NO_COMPILE_ALLOCATORS to the compiler, or comment out #define LODEPNG_COMPILE_ALLOCATORS in the header, to disable the ones here and define them in your own project's source files without needing to change lodepng source code. Don't forget to remove "static" if you copypaste them from here.*/ #ifdef LODEPNG_COMPILE_ALLOCATORS static void* lodepng_malloc(size_t size) { #ifdef LODEPNG_MAX_ALLOC if(size > LODEPNG_MAX_ALLOC) return 0; #endif return malloc(size); } /* NOTE: when realloc returns NULL, it leaves the original memory untouched */ static void* lodepng_realloc(void* ptr, size_t new_size) { #ifdef LODEPNG_MAX_ALLOC if(new_size > LODEPNG_MAX_ALLOC) return 0; #endif return realloc(ptr, new_size); } static void lodepng_free(void* ptr) { free(ptr); } #else /*LODEPNG_COMPILE_ALLOCATORS*/ /* TODO: support giving additional void* payload to the custom allocators */ void* lodepng_malloc(size_t size); void* lodepng_realloc(void* ptr, size_t new_size); void lodepng_free(void* ptr); #endif /*LODEPNG_COMPILE_ALLOCATORS*/ /* convince the compiler to inline a function, for use when this measurably improves performance */ /* inline is not available in C90, but use it when supported by the compiler */ #if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || (defined(__cplusplus) && (__cplusplus >= 199711L)) #define LODEPNG_INLINE inline #else #define LODEPNG_INLINE /* not available */ #endif /* restrict is not available in C90, but use it when supported by the compiler */ #if (defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))) ||\ (defined(_MSC_VER) && (_MSC_VER >= 1400)) || \ (defined(__WATCOMC__) && (__WATCOMC__ >= 1250) && !defined(__cplusplus)) #define LODEPNG_RESTRICT __restrict #else #define LODEPNG_RESTRICT /* not available */ #endif /* Replacements for C library functions such as memcpy and strlen, to support platforms where a full C library is not available. The compiler can recognize them and compile to something as fast. */ static void lodepng_memcpy(void* LODEPNG_RESTRICT dst, const void* LODEPNG_RESTRICT src, size_t size) { size_t i; for(i = 0; i < size; i++) ((char*)dst)[i] = ((const char*)src)[i]; } static void lodepng_memset(void* LODEPNG_RESTRICT dst, int value, size_t num) { size_t i; for(i = 0; i < num; i++) ((char*)dst)[i] = (char)value; } /* does not check memory out of bounds, do not use on untrusted data */ static size_t lodepng_strlen(const char* a) { const char* orig = a; /* avoid warning about unused function in case of disabled COMPILE... macros */ (void)(&lodepng_strlen); while(*a) a++; return (size_t)(a - orig); } #define LODEPNG_MAX(a, b) (((a) > (b)) ? (a) : (b)) #define LODEPNG_MIN(a, b) (((a) < (b)) ? (a) : (b)) #define LODEPNG_ABS(x) ((x) < 0 ? -(x) : (x)) #if defined(LODEPNG_COMPILE_PNG) || defined(LODEPNG_COMPILE_DECODER) /* Safely check if adding two integers will overflow (no undefined behavior, compiler removing the code, etc...) and output result. */ static int lodepng_addofl(size_t a, size_t b, size_t* result) { *result = a + b; /* Unsigned addition is well defined and safe in C90 */ return *result < a; } #endif /*defined(LODEPNG_COMPILE_PNG) || defined(LODEPNG_COMPILE_DECODER)*/ #ifdef LODEPNG_COMPILE_DECODER /* Safely check if multiplying two integers will overflow (no undefined behavior, compiler removing the code, etc...) and output result. */ static int lodepng_mulofl(size_t a, size_t b, size_t* result) { *result = a * b; /* Unsigned multiplication is well defined and safe in C90 */ return (a != 0 && *result / a != b); } #ifdef LODEPNG_COMPILE_ZLIB /* Safely check if a + b > c, even if overflow could happen. */ static int lodepng_gtofl(size_t a, size_t b, size_t c) { size_t d; if(lodepng_addofl(a, b, &d)) return 1; return d > c; } #endif /*LODEPNG_COMPILE_ZLIB*/ #endif /*LODEPNG_COMPILE_DECODER*/ /* Often in case of an error a value is assigned to a variable and then it breaks out of a loop (to go to the cleanup phase of a function). This macro does that. It makes the error handling code shorter and more readable. Example: if(!uivector_resize(&lz77_encoded, datasize)) ERROR_BREAK(83); */ #define CERROR_BREAK(errorvar, code){\ errorvar = code;\ break;\ } /*version of CERROR_BREAK that assumes the common case where the error variable is named "error"*/ #define ERROR_BREAK(code) CERROR_BREAK(error, code) /*Set error var to the error code, and return it.*/ #define CERROR_RETURN_ERROR(errorvar, code){\ errorvar = code;\ return code;\ } /*Try the code, if it returns error, also return the error.*/ #define CERROR_TRY_RETURN(call){\ unsigned error = call;\ if(error) return error;\ } /*Set error var to the error code, and return from the void function.*/ #define CERROR_RETURN(errorvar, code){\ errorvar = code;\ return;\ } /* About uivector, ucvector and string: -All of them wrap dynamic arrays or text strings in a similar way. -LodePNG was originally written in C++. The vectors replace the std::vectors that were used in the C++ version. -The string tools are made to avoid problems with compilers that declare things like strncat as deprecated. -They're not used in the interface, only internally in this file as static functions. -As with many other structs in this file, the init and cleanup functions serve as ctor and dtor. */ #ifdef LODEPNG_COMPILE_ZLIB #ifdef LODEPNG_COMPILE_ENCODER /*dynamic vector of unsigned ints*/ typedef struct uivector { unsigned* data; size_t size; /*size in number of unsigned longs*/ size_t allocsize; /*allocated size in bytes*/ } uivector; static void uivector_cleanup(void* p) { ((uivector*)p)->size = ((uivector*)p)->allocsize = 0; lodepng_free(((uivector*)p)->data); ((uivector*)p)->data = NULL; } /*returns 1 if success, 0 if failure ==> nothing done*/ static unsigned uivector_resize(uivector* p, size_t size) { size_t allocsize = size * sizeof(unsigned); if(allocsize > p->allocsize) { size_t newsize = allocsize + (p->allocsize >> 1u); void* data = lodepng_realloc(p->data, newsize); if(data) { p->allocsize = newsize; p->data = (unsigned*)data; } else return 0; /*error: not enough memory*/ } p->size = size; return 1; /*success*/ } static void uivector_init(uivector* p) { p->data = NULL; p->size = p->allocsize = 0; } /*returns 1 if success, 0 if failure ==> nothing done*/ static unsigned uivector_push_back(uivector* p, unsigned c) { if(!uivector_resize(p, p->size + 1)) return 0; p->data[p->size - 1] = c; return 1; } #endif /*LODEPNG_COMPILE_ENCODER*/ #endif /*LODEPNG_COMPILE_ZLIB*/ /* /////////////////////////////////////////////////////////////////////////// */ /*dynamic vector of unsigned chars*/ typedef struct ucvector { unsigned char* data; size_t size; /*used size*/ size_t allocsize; /*allocated size*/ } ucvector; /*returns 1 if success, 0 if failure ==> nothing done*/ static unsigned ucvector_reserve(ucvector* p, size_t size) { if(size > p->allocsize) { size_t newsize = size + (p->allocsize >> 1u); void* data = lodepng_realloc(p->data, newsize); if(data) { p->allocsize = newsize; p->data = (unsigned char*)data; } else return 0; /*error: not enough memory*/ } return 1; /*success*/ } /*returns 1 if success, 0 if failure ==> nothing done*/ static unsigned ucvector_resize(ucvector* p, size_t size) { p->size = size; return ucvector_reserve(p, size); } static ucvector ucvector_init(unsigned char* buffer, size_t size) { ucvector v; v.data = buffer; v.allocsize = v.size = size; return v; } /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_PNG #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*free string pointer and set it to NULL*/ static void string_cleanup(char** out) { lodepng_free(*out); *out = NULL; } /*also appends null termination character*/ static char* alloc_string_sized(const char* in, size_t insize) { char* out = (char*)lodepng_malloc(insize + 1); if(out) { lodepng_memcpy(out, in, insize); out[insize] = 0; } return out; } /* dynamically allocates a new string with a copy of the null terminated input text */ static char* alloc_string(const char* in) { return alloc_string_sized(in, lodepng_strlen(in)); } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ #endif /*LODEPNG_COMPILE_PNG*/ /* ////////////////////////////////////////////////////////////////////////// */ #if defined(LODEPNG_COMPILE_DECODER) || defined(LODEPNG_COMPILE_PNG) static unsigned lodepng_read32bitInt(const unsigned char* buffer) { return (((unsigned)buffer[0] << 24u) | ((unsigned)buffer[1] << 16u) | ((unsigned)buffer[2] << 8u) | (unsigned)buffer[3]); } #endif /*defined(LODEPNG_COMPILE_DECODER) || defined(LODEPNG_COMPILE_PNG)*/ #if defined(LODEPNG_COMPILE_PNG) || defined(LODEPNG_COMPILE_ENCODER) /*buffer must have at least 4 allocated bytes available*/ static void lodepng_set32bitInt(unsigned char* buffer, unsigned value) { buffer[0] = (unsigned char)((value >> 24) & 0xff); buffer[1] = (unsigned char)((value >> 16) & 0xff); buffer[2] = (unsigned char)((value >> 8) & 0xff); buffer[3] = (unsigned char)((value ) & 0xff); } #endif /*defined(LODEPNG_COMPILE_PNG) || defined(LODEPNG_COMPILE_ENCODER)*/ /* ////////////////////////////////////////////////////////////////////////// */ /* / File IO / */ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_DISK /* returns negative value on error. This should be pure C compatible, so no fstat. */ static long lodepng_filesize(const char* filename) { FILE* file; long size; file = fopen(filename, "rb"); if(!file) return -1; if(fseek(file, 0, SEEK_END) != 0) { fclose(file); return -1; } size = ftell(file); /* It may give LONG_MAX as directory size, this is invalid for us. */ if(size == LONG_MAX) size = -1; fclose(file); return size; } /* load file into buffer that already has the correct allocated size. Returns error code.*/ static unsigned lodepng_buffer_file(unsigned char* out, size_t size, const char* filename) { FILE* file; size_t readsize; file = fopen(filename, "rb"); if(!file) return 78; readsize = fread(out, 1, size, file); fclose(file); if(readsize != size) return 78; return 0; } unsigned lodepng_load_file(unsigned char** out, size_t* outsize, const char* filename) { long size = lodepng_filesize(filename); if(size < 0) return 78; *outsize = (size_t)size; *out = (unsigned char*)lodepng_malloc((size_t)size); if(!(*out) && size > 0) return 83; /*the above malloc failed*/ return lodepng_buffer_file(*out, (size_t)size, filename); } /*write given buffer to the file, overwriting the file, it doesn't append to it.*/ unsigned lodepng_save_file(const unsigned char* buffer, size_t buffersize, const char* filename) { FILE* file; file = fopen(filename, "wb" ); if(!file) return 79; fwrite(buffer, 1, buffersize, file); fclose(file); return 0; } #endif /*LODEPNG_COMPILE_DISK*/ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ /* // End of common code and tools. Begin of Zlib related code. // */ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_ZLIB #ifdef LODEPNG_COMPILE_ENCODER typedef struct { ucvector* data; unsigned char bp; /*ok to overflow, indicates bit pos inside byte*/ } LodePNGBitWriter; static void LodePNGBitWriter_init(LodePNGBitWriter* writer, ucvector* data) { writer->data = data; writer->bp = 0; } /*TODO: this ignores potential out of memory errors*/ #define WRITEBIT(writer, bit){\ /* append new byte */\ if(((writer->bp) & 7u) == 0) {\ if(!ucvector_resize(writer->data, writer->data->size + 1)) return;\ writer->data->data[writer->data->size - 1] = 0;\ }\ (writer->data->data[writer->data->size - 1]) |= (bit << ((writer->bp) & 7u));\ ++writer->bp;\ } /* LSB of value is written first, and LSB of bytes is used first */ static void writeBits(LodePNGBitWriter* writer, unsigned value, size_t nbits) { if(nbits == 1) { /* compiler should statically compile this case if nbits == 1 */ WRITEBIT(writer, value); } else { /* TODO: increase output size only once here rather than in each WRITEBIT */ size_t i; for(i = 0; i != nbits; ++i) { WRITEBIT(writer, (unsigned char)((value >> i) & 1)); } } } /* This one is to use for adding huffman symbol, the value bits are written MSB first */ static void writeBitsReversed(LodePNGBitWriter* writer, unsigned value, size_t nbits) { size_t i; for(i = 0; i != nbits; ++i) { /* TODO: increase output size only once here rather than in each WRITEBIT */ WRITEBIT(writer, (unsigned char)((value >> (nbits - 1u - i)) & 1u)); } } #endif /*LODEPNG_COMPILE_ENCODER*/ #ifdef LODEPNG_COMPILE_DECODER typedef struct { const unsigned char* data; size_t size; /*size of data in bytes*/ size_t bitsize; /*size of data in bits, end of valid bp values, should be 8*size*/ size_t bp; unsigned buffer; /*buffer for reading bits. NOTE: 'unsigned' must support at least 32 bits*/ } LodePNGBitReader; /* data size argument is in bytes. Returns error if size too large causing overflow */ static unsigned LodePNGBitReader_init(LodePNGBitReader* reader, const unsigned char* data, size_t size) { size_t temp; reader->data = data; reader->size = size; /* size in bits, return error if overflow (if size_t is 32 bit this supports up to 500MB) */ if(lodepng_mulofl(size, 8u, &reader->bitsize)) return 105; /*ensure incremented bp can be compared to bitsize without overflow even when it would be incremented 32 too much and trying to ensure 32 more bits*/ if(lodepng_addofl(reader->bitsize, 64u, &temp)) return 105; reader->bp = 0; reader->buffer = 0; return 0; /*ok*/ } /* ensureBits functions: Ensures the reader can at least read nbits bits in one or more readBits calls, safely even if not enough bits are available. The nbits parameter is unused but is given for documentation purposes, error checking for amount of bits must be done beforehand. */ /*See ensureBits documentation above. This one ensures up to 9 bits */ static LODEPNG_INLINE void ensureBits9(LodePNGBitReader* reader, size_t nbits) { size_t start = reader->bp >> 3u; size_t size = reader->size; if(start + 1u < size) { reader->buffer = (unsigned)reader->data[start + 0] | ((unsigned)reader->data[start + 1] << 8u); reader->buffer >>= (reader->bp & 7u); } else { reader->buffer = 0; if(start + 0u < size) reader->buffer = reader->data[start + 0]; reader->buffer >>= (reader->bp & 7u); } (void)nbits; } /*See ensureBits documentation above. This one ensures up to 17 bits */ static LODEPNG_INLINE void ensureBits17(LodePNGBitReader* reader, size_t nbits) { size_t start = reader->bp >> 3u; size_t size = reader->size; if(start + 2u < size) { reader->buffer = (unsigned)reader->data[start + 0] | ((unsigned)reader->data[start + 1] << 8u) | ((unsigned)reader->data[start + 2] << 16u); reader->buffer >>= (reader->bp & 7u); } else { reader->buffer = 0; if(start + 0u < size) reader->buffer |= reader->data[start + 0]; if(start + 1u < size) reader->buffer |= ((unsigned)reader->data[start + 1] << 8u); reader->buffer >>= (reader->bp & 7u); } (void)nbits; } /*See ensureBits documentation above. This one ensures up to 25 bits */ static LODEPNG_INLINE void ensureBits25(LodePNGBitReader* reader, size_t nbits) { size_t start = reader->bp >> 3u; size_t size = reader->size; if(start + 3u < size) { reader->buffer = (unsigned)reader->data[start + 0] | ((unsigned)reader->data[start + 1] << 8u) | ((unsigned)reader->data[start + 2] << 16u) | ((unsigned)reader->data[start + 3] << 24u); reader->buffer >>= (reader->bp & 7u); } else { reader->buffer = 0; if(start + 0u < size) reader->buffer |= reader->data[start + 0]; if(start + 1u < size) reader->buffer |= ((unsigned)reader->data[start + 1] << 8u); if(start + 2u < size) reader->buffer |= ((unsigned)reader->data[start + 2] << 16u); reader->buffer >>= (reader->bp & 7u); } (void)nbits; } /*See ensureBits documentation above. This one ensures up to 32 bits */ static LODEPNG_INLINE void ensureBits32(LodePNGBitReader* reader, size_t nbits) { size_t start = reader->bp >> 3u; size_t size = reader->size; if(start + 4u < size) { reader->buffer = (unsigned)reader->data[start + 0] | ((unsigned)reader->data[start + 1] << 8u) | ((unsigned)reader->data[start + 2] << 16u) | ((unsigned)reader->data[start + 3] << 24u); reader->buffer >>= (reader->bp & 7u); reader->buffer |= (((unsigned)reader->data[start + 4] << 24u) << (8u - (reader->bp & 7u))); } else { reader->buffer = 0; if(start + 0u < size) reader->buffer |= reader->data[start + 0]; if(start + 1u < size) reader->buffer |= ((unsigned)reader->data[start + 1] << 8u); if(start + 2u < size) reader->buffer |= ((unsigned)reader->data[start + 2] << 16u); if(start + 3u < size) reader->buffer |= ((unsigned)reader->data[start + 3] << 24u); reader->buffer >>= (reader->bp & 7u); } (void)nbits; } /* Get bits without advancing the bit pointer. Must have enough bits available with ensureBits. Max nbits is 31. */ static LODEPNG_INLINE unsigned peekBits(LodePNGBitReader* reader, size_t nbits) { /* The shift allows nbits to be only up to 31. */ return reader->buffer & ((1u << nbits) - 1u); } /* Must have enough bits available with ensureBits */ static LODEPNG_INLINE void advanceBits(LodePNGBitReader* reader, size_t nbits) { reader->buffer >>= nbits; reader->bp += nbits; } /* Must have enough bits available with ensureBits */ static LODEPNG_INLINE unsigned readBits(LodePNGBitReader* reader, size_t nbits) { unsigned result = peekBits(reader, nbits); advanceBits(reader, nbits); return result; } #endif /*LODEPNG_COMPILE_DECODER*/ static unsigned reverseBits(unsigned bits, unsigned num) { /*TODO: implement faster lookup table based version when needed*/ unsigned i, result = 0; for(i = 0; i < num; i++) result |= ((bits >> (num - i - 1u)) & 1u) << i; return result; } /* ////////////////////////////////////////////////////////////////////////// */ /* / Deflate - Huffman / */ /* ////////////////////////////////////////////////////////////////////////// */ #define FIRST_LENGTH_CODE_INDEX 257 #define LAST_LENGTH_CODE_INDEX 285 /*256 literals, the end code, some length codes, and 2 unused codes*/ #define NUM_DEFLATE_CODE_SYMBOLS 288 /*the distance codes have their own symbols, 30 used, 2 unused*/ #define NUM_DISTANCE_SYMBOLS 32 /*the code length codes. 0-15: code lengths, 16: copy previous 3-6 times, 17: 3-10 zeros, 18: 11-138 zeros*/ #define NUM_CODE_LENGTH_CODES 19 /*the base lengths represented by codes 257-285*/ static const unsigned LENGTHBASE[29] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258}; /*the extra bits used by codes 257-285 (added to base length)*/ static const unsigned LENGTHEXTRA[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0}; /*the base backwards distances (the bits of distance codes appear after length codes and use their own huffman tree)*/ static const unsigned DISTANCEBASE[30] = {1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577}; /*the extra bits of backwards distances (added to base)*/ static const unsigned DISTANCEEXTRA[30] = {0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13}; /*the order in which "code length alphabet code lengths" are stored as specified by deflate, out of this the huffman tree of the dynamic huffman tree lengths is generated*/ static const unsigned CLCL_ORDER[NUM_CODE_LENGTH_CODES] = {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; /* ////////////////////////////////////////////////////////////////////////// */ /* Huffman tree struct, containing multiple representations of the tree */ typedef struct HuffmanTree { unsigned* codes; /*the huffman codes (bit patterns representing the symbols)*/ unsigned* lengths; /*the lengths of the huffman codes*/ unsigned maxbitlen; /*maximum number of bits a single code can get*/ unsigned numcodes; /*number of symbols in the alphabet = number of codes*/ /* for reading only */ unsigned char* table_len; /*length of symbol from lookup table, or max length if secondary lookup needed*/ unsigned short* table_value; /*value of symbol from lookup table, or pointer to secondary table if needed*/ } HuffmanTree; static void HuffmanTree_init(HuffmanTree* tree) { tree->codes = 0; tree->lengths = 0; tree->table_len = 0; tree->table_value = 0; } static void HuffmanTree_cleanup(HuffmanTree* tree) { lodepng_free(tree->codes); lodepng_free(tree->lengths); lodepng_free(tree->table_len); lodepng_free(tree->table_value); } /* amount of bits for first huffman table lookup (aka root bits), see HuffmanTree_makeTable and huffmanDecodeSymbol.*/ /* values 8u and 9u work the fastest */ #define FIRSTBITS 9u /* a symbol value too big to represent any valid symbol, to indicate reading disallowed huffman bits combination, which is possible in case of only 0 or 1 present symbols. */ #define INVALIDSYMBOL 65535u /* make table for huffman decoding */ static unsigned HuffmanTree_makeTable(HuffmanTree* tree) { static const unsigned headsize = 1u << FIRSTBITS; /*size of the first table*/ static const unsigned mask = (1u << FIRSTBITS) /*headsize*/ - 1u; size_t i, numpresent, pointer, size; /*total table size*/ unsigned* maxlens = (unsigned*)lodepng_malloc(headsize * sizeof(unsigned)); if(!maxlens) return 83; /*alloc fail*/ /* compute maxlens: max total bit length of symbols sharing prefix in the first table*/ lodepng_memset(maxlens, 0, headsize * sizeof(*maxlens)); for(i = 0; i < tree->numcodes; i++) { unsigned symbol = tree->codes[i]; unsigned l = tree->lengths[i]; unsigned index; if(l <= FIRSTBITS) continue; /*symbols that fit in first table don't increase secondary table size*/ /*get the FIRSTBITS MSBs, the MSBs of the symbol are encoded first. See later comment about the reversing*/ index = reverseBits(symbol >> (l - FIRSTBITS), FIRSTBITS); maxlens[index] = LODEPNG_MAX(maxlens[index], l); } /* compute total table size: size of first table plus all secondary tables for symbols longer than FIRSTBITS */ size = headsize; for(i = 0; i < headsize; ++i) { unsigned l = maxlens[i]; if(l > FIRSTBITS) size += (1u << (l - FIRSTBITS)); } tree->table_len = (unsigned char*)lodepng_malloc(size * sizeof(*tree->table_len)); tree->table_value = (unsigned short*)lodepng_malloc(size * sizeof(*tree->table_value)); if(!tree->table_len || !tree->table_value) { lodepng_free(maxlens); /* freeing tree->table values is done at a higher scope */ return 83; /*alloc fail*/ } /*initialize with an invalid length to indicate unused entries*/ for(i = 0; i < size; ++i) tree->table_len[i] = 16; /*fill in the first table for long symbols: max prefix size and pointer to secondary tables*/ pointer = headsize; for(i = 0; i < headsize; ++i) { unsigned l = maxlens[i]; if(l <= FIRSTBITS) continue; tree->table_len[i] = l; tree->table_value[i] = pointer; pointer += (1u << (l - FIRSTBITS)); } lodepng_free(maxlens); /*fill in the first table for short symbols, or secondary table for long symbols*/ numpresent = 0; for(i = 0; i < tree->numcodes; ++i) { unsigned l = tree->lengths[i]; unsigned symbol, reverse; if(l == 0) continue; symbol = tree->codes[i]; /*the huffman bit pattern. i itself is the value.*/ /*reverse bits, because the huffman bits are given in MSB first order but the bit reader reads LSB first*/ reverse = reverseBits(symbol, l); numpresent++; if(l <= FIRSTBITS) { /*short symbol, fully in first table, replicated num times if l < FIRSTBITS*/ unsigned num = 1u << (FIRSTBITS - l); unsigned j; for(j = 0; j < num; ++j) { /*bit reader will read the l bits of symbol first, the remaining FIRSTBITS - l bits go to the MSB's*/ unsigned index = reverse | (j << l); if(tree->table_len[index] != 16) return 55; /*invalid tree: long symbol shares prefix with short symbol*/ tree->table_len[index] = l; tree->table_value[index] = i; } } else { /*long symbol, shares prefix with other long symbols in first lookup table, needs second lookup*/ /*the FIRSTBITS MSBs of the symbol are the first table index*/ unsigned index = reverse & mask; unsigned maxlen = tree->table_len[index]; /*log2 of secondary table length, should be >= l - FIRSTBITS*/ unsigned tablelen = maxlen - FIRSTBITS; unsigned start = tree->table_value[index]; /*starting index in secondary table*/ unsigned num = 1u << (tablelen - (l - FIRSTBITS)); /*amount of entries of this symbol in secondary table*/ unsigned j; if(maxlen < l) return 55; /*invalid tree: long symbol shares prefix with short symbol*/ for(j = 0; j < num; ++j) { unsigned reverse2 = reverse >> FIRSTBITS; /* l - FIRSTBITS bits */ unsigned index2 = start + (reverse2 | (j << (l - FIRSTBITS))); tree->table_len[index2] = l; tree->table_value[index2] = i; } } } if(numpresent < 2) { /* In case of exactly 1 symbol, in theory the huffman symbol needs 0 bits, but deflate uses 1 bit instead. In case of 0 symbols, no symbols can appear at all, but such huffman tree could still exist (e.g. if distance codes are never used). In both cases, not all symbols of the table will be filled in. Fill them in with an invalid symbol value so returning them from huffmanDecodeSymbol will cause error. */ for(i = 0; i < size; ++i) { if(tree->table_len[i] == 16) { /* As length, use a value smaller than FIRSTBITS for the head table, and a value larger than FIRSTBITS for the secondary table, to ensure valid behavior for advanceBits when reading this symbol. */ tree->table_len[i] = (i < headsize) ? 1 : (FIRSTBITS + 1); tree->table_value[i] = INVALIDSYMBOL; } } } else { /* A good huffman tree has N * 2 - 1 nodes, of which N - 1 are internal nodes. If that is not the case (due to too long length codes), the table will not have been fully used, and this is an error (not all bit combinations can be decoded): an oversubscribed huffman tree, indicated by error 55. */ for(i = 0; i < size; ++i) { if(tree->table_len[i] == 16) return 55; } } return 0; } /* Second step for the ...makeFromLengths and ...makeFromFrequencies functions. numcodes, lengths and maxbitlen must already be filled in correctly. return value is error. */ static unsigned HuffmanTree_makeFromLengths2(HuffmanTree* tree) { unsigned* blcount; unsigned* nextcode; unsigned error = 0; unsigned bits, n; tree->codes = (unsigned*)lodepng_malloc(tree->numcodes * sizeof(unsigned)); blcount = (unsigned*)lodepng_malloc((tree->maxbitlen + 1) * sizeof(unsigned)); nextcode = (unsigned*)lodepng_malloc((tree->maxbitlen + 1) * sizeof(unsigned)); if(!tree->codes || !blcount || !nextcode) error = 83; /*alloc fail*/ if(!error) { for(n = 0; n != tree->maxbitlen + 1; n++) blcount[n] = nextcode[n] = 0; /*step 1: count number of instances of each code length*/ for(bits = 0; bits != tree->numcodes; ++bits) ++blcount[tree->lengths[bits]]; /*step 2: generate the nextcode values*/ for(bits = 1; bits <= tree->maxbitlen; ++bits) { nextcode[bits] = (nextcode[bits - 1] + blcount[bits - 1]) << 1u; } /*step 3: generate all the codes*/ for(n = 0; n != tree->numcodes; ++n) { if(tree->lengths[n] != 0) { tree->codes[n] = nextcode[tree->lengths[n]]++; /*remove superfluous bits from the code*/ tree->codes[n] &= ((1u << tree->lengths[n]) - 1u); } } } lodepng_free(blcount); lodepng_free(nextcode); if(!error) error = HuffmanTree_makeTable(tree); return error; } /* given the code lengths (as stored in the PNG file), generate the tree as defined by Deflate. maxbitlen is the maximum bits that a code in the tree can have. return value is error. */ static unsigned HuffmanTree_makeFromLengths(HuffmanTree* tree, const unsigned* bitlen, size_t numcodes, unsigned maxbitlen) { unsigned i; tree->lengths = (unsigned*)lodepng_malloc(numcodes * sizeof(unsigned)); if(!tree->lengths) return 83; /*alloc fail*/ for(i = 0; i != numcodes; ++i) tree->lengths[i] = bitlen[i]; tree->numcodes = (unsigned)numcodes; /*number of symbols*/ tree->maxbitlen = maxbitlen; return HuffmanTree_makeFromLengths2(tree); } #ifdef LODEPNG_COMPILE_ENCODER /*BPM: Boundary Package Merge, see "A Fast and Space-Economical Algorithm for Length-Limited Coding", Jyrki Katajainen, Alistair Moffat, Andrew Turpin, 1995.*/ /*chain node for boundary package merge*/ typedef struct BPMNode { int weight; /*the sum of all weights in this chain*/ unsigned index; /*index of this leaf node (called "count" in the paper)*/ struct BPMNode* tail; /*the next nodes in this chain (null if last)*/ int in_use; } BPMNode; /*lists of chains*/ typedef struct BPMLists { /*memory pool*/ unsigned memsize; BPMNode* memory; unsigned numfree; unsigned nextfree; BPMNode** freelist; /*two heads of lookahead chains per list*/ unsigned listsize; BPMNode** chains0; BPMNode** chains1; } BPMLists; /*creates a new chain node with the given parameters, from the memory in the lists */ static BPMNode* bpmnode_create(BPMLists* lists, int weight, unsigned index, BPMNode* tail) { unsigned i; BPMNode* result; /*memory full, so garbage collect*/ if(lists->nextfree >= lists->numfree) { /*mark only those that are in use*/ for(i = 0; i != lists->memsize; ++i) lists->memory[i].in_use = 0; for(i = 0; i != lists->listsize; ++i) { BPMNode* node; for(node = lists->chains0[i]; node != 0; node = node->tail) node->in_use = 1; for(node = lists->chains1[i]; node != 0; node = node->tail) node->in_use = 1; } /*collect those that are free*/ lists->numfree = 0; for(i = 0; i != lists->memsize; ++i) { if(!lists->memory[i].in_use) lists->freelist[lists->numfree++] = &lists->memory[i]; } lists->nextfree = 0; } result = lists->freelist[lists->nextfree++]; result->weight = weight; result->index = index; result->tail = tail; return result; } /*sort the leaves with stable mergesort*/ static void bpmnode_sort(BPMNode* leaves, size_t num) { BPMNode* mem = (BPMNode*)lodepng_malloc(sizeof(*leaves) * num); size_t width, counter = 0; for(width = 1; width < num; width *= 2) { BPMNode* a = (counter & 1) ? mem : leaves; BPMNode* b = (counter & 1) ? leaves : mem; size_t p; for(p = 0; p < num; p += 2 * width) { size_t q = (p + width > num) ? num : (p + width); size_t r = (p + 2 * width > num) ? num : (p + 2 * width); size_t i = p, j = q, k; for(k = p; k < r; k++) { if(i < q && (j >= r || a[i].weight <= a[j].weight)) b[k] = a[i++]; else b[k] = a[j++]; } } counter++; } if(counter & 1) lodepng_memcpy(leaves, mem, sizeof(*leaves) * num); lodepng_free(mem); } /*Boundary Package Merge step, numpresent is the amount of leaves, and c is the current chain.*/ static void boundaryPM(BPMLists* lists, BPMNode* leaves, size_t numpresent, int c, int num) { unsigned lastindex = lists->chains1[c]->index; if(c == 0) { if(lastindex >= numpresent) return; lists->chains0[c] = lists->chains1[c]; lists->chains1[c] = bpmnode_create(lists, leaves[lastindex].weight, lastindex + 1, 0); } else { /*sum of the weights of the head nodes of the previous lookahead chains.*/ int sum = lists->chains0[c - 1]->weight + lists->chains1[c - 1]->weight; lists->chains0[c] = lists->chains1[c]; if(lastindex < numpresent && sum > leaves[lastindex].weight) { lists->chains1[c] = bpmnode_create(lists, leaves[lastindex].weight, lastindex + 1, lists->chains1[c]->tail); return; } lists->chains1[c] = bpmnode_create(lists, sum, lastindex, lists->chains1[c - 1]); /*in the end we are only interested in the chain of the last list, so no need to recurse if we're at the last one (this gives measurable speedup)*/ if(num + 1 < (int)(2 * numpresent - 2)) { boundaryPM(lists, leaves, numpresent, c - 1, num); boundaryPM(lists, leaves, numpresent, c - 1, num); } } } unsigned lodepng_huffman_code_lengths(unsigned* lengths, const unsigned* frequencies, size_t numcodes, unsigned maxbitlen) { unsigned error = 0; unsigned i; size_t numpresent = 0; /*number of symbols with non-zero frequency*/ BPMNode* leaves; /*the symbols, only those with > 0 frequency*/ if(numcodes == 0) return 80; /*error: a tree of 0 symbols is not supposed to be made*/ if((1u << maxbitlen) < (unsigned)numcodes) return 80; /*error: represent all symbols*/ leaves = (BPMNode*)lodepng_malloc(numcodes * sizeof(*leaves)); if(!leaves) return 83; /*alloc fail*/ for(i = 0; i != numcodes; ++i) { if(frequencies[i] > 0) { leaves[numpresent].weight = (int)frequencies[i]; leaves[numpresent].index = i; ++numpresent; } } lodepng_memset(lengths, 0, numcodes * sizeof(*lengths)); /*ensure at least two present symbols. There should be at least one symbol according to RFC 1951 section 3.2.7. Some decoders incorrectly require two. To make these work as well ensure there are at least two symbols. The Package-Merge code below also doesn't work correctly if there's only one symbol, it'd give it the theoretical 0 bits but in practice zlib wants 1 bit*/ if(numpresent == 0) { lengths[0] = lengths[1] = 1; /*note that for RFC 1951 section 3.2.7, only lengths[0] = 1 is needed*/ } else if(numpresent == 1) { lengths[leaves[0].index] = 1; lengths[leaves[0].index == 0 ? 1 : 0] = 1; } else { BPMLists lists; BPMNode* node; bpmnode_sort(leaves, numpresent); lists.listsize = maxbitlen; lists.memsize = 2 * maxbitlen * (maxbitlen + 1); lists.nextfree = 0; lists.numfree = lists.memsize; lists.memory = (BPMNode*)lodepng_malloc(lists.memsize * sizeof(*lists.memory)); lists.freelist = (BPMNode**)lodepng_malloc(lists.memsize * sizeof(BPMNode*)); lists.chains0 = (BPMNode**)lodepng_malloc(lists.listsize * sizeof(BPMNode*)); lists.chains1 = (BPMNode**)lodepng_malloc(lists.listsize * sizeof(BPMNode*)); if(!lists.memory || !lists.freelist || !lists.chains0 || !lists.chains1) error = 83; /*alloc fail*/ if(!error) { for(i = 0; i != lists.memsize; ++i) lists.freelist[i] = &lists.memory[i]; bpmnode_create(&lists, leaves[0].weight, 1, 0); bpmnode_create(&lists, leaves[1].weight, 2, 0); for(i = 0; i != lists.listsize; ++i) { lists.chains0[i] = &lists.memory[0]; lists.chains1[i] = &lists.memory[1]; } /*each boundaryPM call adds one chain to the last list, and we need 2 * numpresent - 2 chains.*/ for(i = 2; i != 2 * numpresent - 2; ++i) boundaryPM(&lists, leaves, numpresent, (int)maxbitlen - 1, (int)i); for(node = lists.chains1[maxbitlen - 1]; node; node = node->tail) { for(i = 0; i != node->index; ++i) ++lengths[leaves[i].index]; } } lodepng_free(lists.memory); lodepng_free(lists.freelist); lodepng_free(lists.chains0); lodepng_free(lists.chains1); } lodepng_free(leaves); return error; } /*Create the Huffman tree given the symbol frequencies*/ static unsigned HuffmanTree_makeFromFrequencies(HuffmanTree* tree, const unsigned* frequencies, size_t mincodes, size_t numcodes, unsigned maxbitlen) { unsigned error = 0; while(!frequencies[numcodes - 1] && numcodes > mincodes) --numcodes; /*trim zeroes*/ tree->lengths = (unsigned*)lodepng_malloc(numcodes * sizeof(unsigned)); if(!tree->lengths) return 83; /*alloc fail*/ tree->maxbitlen = maxbitlen; tree->numcodes = (unsigned)numcodes; /*number of symbols*/ error = lodepng_huffman_code_lengths(tree->lengths, frequencies, numcodes, maxbitlen); if(!error) error = HuffmanTree_makeFromLengths2(tree); return error; } #endif /*LODEPNG_COMPILE_ENCODER*/ /*get the literal and length code tree of a deflated block with fixed tree, as per the deflate specification*/ static unsigned generateFixedLitLenTree(HuffmanTree* tree) { unsigned i, error = 0; unsigned* bitlen = (unsigned*)lodepng_malloc(NUM_DEFLATE_CODE_SYMBOLS * sizeof(unsigned)); if(!bitlen) return 83; /*alloc fail*/ /*288 possible codes: 0-255=literals, 256=endcode, 257-285=lengthcodes, 286-287=unused*/ for(i = 0; i <= 143; ++i) bitlen[i] = 8; for(i = 144; i <= 255; ++i) bitlen[i] = 9; for(i = 256; i <= 279; ++i) bitlen[i] = 7; for(i = 280; i <= 287; ++i) bitlen[i] = 8; error = HuffmanTree_makeFromLengths(tree, bitlen, NUM_DEFLATE_CODE_SYMBOLS, 15); lodepng_free(bitlen); return error; } /*get the distance code tree of a deflated block with fixed tree, as specified in the deflate specification*/ static unsigned generateFixedDistanceTree(HuffmanTree* tree) { unsigned i, error = 0; unsigned* bitlen = (unsigned*)lodepng_malloc(NUM_DISTANCE_SYMBOLS * sizeof(unsigned)); if(!bitlen) return 83; /*alloc fail*/ /*there are 32 distance codes, but 30-31 are unused*/ for(i = 0; i != NUM_DISTANCE_SYMBOLS; ++i) bitlen[i] = 5; error = HuffmanTree_makeFromLengths(tree, bitlen, NUM_DISTANCE_SYMBOLS, 15); lodepng_free(bitlen); return error; } #ifdef LODEPNG_COMPILE_DECODER /* returns the code. The bit reader must already have been ensured at least 15 bits */ static unsigned huffmanDecodeSymbol(LodePNGBitReader* reader, const HuffmanTree* codetree) { unsigned short code = peekBits(reader, FIRSTBITS); unsigned short l = codetree->table_len[code]; unsigned short value = codetree->table_value[code]; if(l <= FIRSTBITS) { advanceBits(reader, l); return value; } else { advanceBits(reader, FIRSTBITS); value += peekBits(reader, l - FIRSTBITS); advanceBits(reader, codetree->table_len[value] - FIRSTBITS); return codetree->table_value[value]; } } #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_DECODER /* ////////////////////////////////////////////////////////////////////////// */ /* / Inflator (Decompressor) / */ /* ////////////////////////////////////////////////////////////////////////// */ /*get the tree of a deflated block with fixed tree, as specified in the deflate specification Returns error code.*/ static unsigned getTreeInflateFixed(HuffmanTree* tree_ll, HuffmanTree* tree_d) { unsigned error = generateFixedLitLenTree(tree_ll); if(error) return error; return generateFixedDistanceTree(tree_d); } /*get the tree of a deflated block with dynamic tree, the tree itself is also Huffman compressed with a known tree*/ static unsigned getTreeInflateDynamic(HuffmanTree* tree_ll, HuffmanTree* tree_d, LodePNGBitReader* reader) { /*make sure that length values that aren't filled in will be 0, or a wrong tree will be generated*/ unsigned error = 0; unsigned n, HLIT, HDIST, HCLEN, i; /*see comments in deflateDynamic for explanation of the context and these variables, it is analogous*/ unsigned* bitlen_ll = 0; /*lit,len code lengths*/ unsigned* bitlen_d = 0; /*dist code lengths*/ /*code length code lengths ("clcl"), the bit lengths of the huffman tree used to compress bitlen_ll and bitlen_d*/ unsigned* bitlen_cl = 0; HuffmanTree tree_cl; /*the code tree for code length codes (the huffman tree for compressed huffman trees)*/ if(reader->bitsize - reader->bp < 14) return 49; /*error: the bit pointer is or will go past the memory*/ ensureBits17(reader, 14); /*number of literal/length codes + 257. Unlike the spec, the value 257 is added to it here already*/ HLIT = readBits(reader, 5) + 257; /*number of distance codes. Unlike the spec, the value 1 is added to it here already*/ HDIST = readBits(reader, 5) + 1; /*number of code length codes. Unlike the spec, the value 4 is added to it here already*/ HCLEN = readBits(reader, 4) + 4; bitlen_cl = (unsigned*)lodepng_malloc(NUM_CODE_LENGTH_CODES * sizeof(unsigned)); if(!bitlen_cl) return 83 /*alloc fail*/; HuffmanTree_init(&tree_cl); while(!error) { /*read the code length codes out of 3 * (amount of code length codes) bits*/ if(lodepng_gtofl(reader->bp, HCLEN * 3, reader->bitsize)) { ERROR_BREAK(50); /*error: the bit pointer is or will go past the memory*/ } for(i = 0; i != HCLEN; ++i) { ensureBits9(reader, 3); /*out of bounds already checked above */ bitlen_cl[CLCL_ORDER[i]] = readBits(reader, 3); } for(i = HCLEN; i != NUM_CODE_LENGTH_CODES; ++i) { bitlen_cl[CLCL_ORDER[i]] = 0; } error = HuffmanTree_makeFromLengths(&tree_cl, bitlen_cl, NUM_CODE_LENGTH_CODES, 7); if(error) break; /*now we can use this tree to read the lengths for the tree that this function will return*/ bitlen_ll = (unsigned*)lodepng_malloc(NUM_DEFLATE_CODE_SYMBOLS * sizeof(unsigned)); bitlen_d = (unsigned*)lodepng_malloc(NUM_DISTANCE_SYMBOLS * sizeof(unsigned)); if(!bitlen_ll || !bitlen_d) ERROR_BREAK(83 /*alloc fail*/); lodepng_memset(bitlen_ll, 0, NUM_DEFLATE_CODE_SYMBOLS * sizeof(*bitlen_ll)); lodepng_memset(bitlen_d, 0, NUM_DISTANCE_SYMBOLS * sizeof(*bitlen_d)); /*i is the current symbol we're reading in the part that contains the code lengths of lit/len and dist codes*/ i = 0; while(i < HLIT + HDIST) { unsigned code; ensureBits25(reader, 22); /* up to 15 bits for huffman code, up to 7 extra bits below*/ code = huffmanDecodeSymbol(reader, &tree_cl); if(code <= 15) /*a length code*/ { if(i < HLIT) bitlen_ll[i] = code; else bitlen_d[i - HLIT] = code; ++i; } else if(code == 16) /*repeat previous*/ { unsigned replength = 3; /*read in the 2 bits that indicate repeat length (3-6)*/ unsigned value; /*set value to the previous code*/ if(i == 0) ERROR_BREAK(54); /*can't repeat previous if i is 0*/ replength += readBits(reader, 2); if(i < HLIT + 1) value = bitlen_ll[i - 1]; else value = bitlen_d[i - HLIT - 1]; /*repeat this value in the next lengths*/ for(n = 0; n < replength; ++n) { if(i >= HLIT + HDIST) ERROR_BREAK(13); /*error: i is larger than the amount of codes*/ if(i < HLIT) bitlen_ll[i] = value; else bitlen_d[i - HLIT] = value; ++i; } } else if(code == 17) /*repeat "0" 3-10 times*/ { unsigned replength = 3; /*read in the bits that indicate repeat length*/ replength += readBits(reader, 3); /*repeat this value in the next lengths*/ for(n = 0; n < replength; ++n) { if(i >= HLIT + HDIST) ERROR_BREAK(14); /*error: i is larger than the amount of codes*/ if(i < HLIT) bitlen_ll[i] = 0; else bitlen_d[i - HLIT] = 0; ++i; } } else if(code == 18) /*repeat "0" 11-138 times*/ { unsigned replength = 11; /*read in the bits that indicate repeat length*/ replength += readBits(reader, 7); /*repeat this value in the next lengths*/ for(n = 0; n < replength; ++n) { if(i >= HLIT + HDIST) ERROR_BREAK(15); /*error: i is larger than the amount of codes*/ if(i < HLIT) bitlen_ll[i] = 0; else bitlen_d[i - HLIT] = 0; ++i; } } else /*if(code == INVALIDSYMBOL)*/ { ERROR_BREAK(16); /*error: tried to read disallowed huffman symbol*/ } /*check if any of the ensureBits above went out of bounds*/ if(reader->bp > reader->bitsize) { /*return error code 10 or 11 depending on the situation that happened in huffmanDecodeSymbol (10=no endcode, 11=wrong jump outside of tree)*/ /* TODO: revise error codes 10,11,50: the above comment is no longer valid */ ERROR_BREAK(50); /*error, bit pointer jumps past memory*/ } } if(error) break; if(bitlen_ll[256] == 0) ERROR_BREAK(64); /*the length of the end code 256 must be larger than 0*/ /*now we've finally got HLIT and HDIST, so generate the code trees, and the function is done*/ error = HuffmanTree_makeFromLengths(tree_ll, bitlen_ll, NUM_DEFLATE_CODE_SYMBOLS, 15); if(error) break; error = HuffmanTree_makeFromLengths(tree_d, bitlen_d, NUM_DISTANCE_SYMBOLS, 15); break; /*end of error-while*/ } lodepng_free(bitlen_cl); lodepng_free(bitlen_ll); lodepng_free(bitlen_d); HuffmanTree_cleanup(&tree_cl); return error; } /*inflate a block with dynamic of fixed Huffman tree. btype must be 1 or 2.*/ static unsigned inflateHuffmanBlock(ucvector* out, LodePNGBitReader* reader, unsigned btype, size_t max_output_size) { unsigned error = 0; HuffmanTree tree_ll; /*the huffman tree for literal and length codes*/ HuffmanTree tree_d; /*the huffman tree for distance codes*/ const size_t reserved_size = 260; /* must be at least 258 for max length, and a few extra for adding a few extra literals */ int done = 0; if(!ucvector_reserve(out, out->size + reserved_size)) return 83; /*alloc fail*/ HuffmanTree_init(&tree_ll); HuffmanTree_init(&tree_d); if(btype == 1) error = getTreeInflateFixed(&tree_ll, &tree_d); else /*if(btype == 2)*/ error = getTreeInflateDynamic(&tree_ll, &tree_d, reader); while(!error && !done) /*decode all symbols until end reached, breaks at end code*/ { /*code_ll is literal, length or end code*/ unsigned code_ll; /* ensure enough bits for 2 huffman code reads (15 bits each): if the first is a literal, a second literal is read at once. This appears to be slightly faster, than ensuring 20 bits here for 1 huffman symbol and the potential 5 extra bits for the length symbol.*/ ensureBits32(reader, 30); code_ll = huffmanDecodeSymbol(reader, &tree_ll); if(code_ll <= 255) { /*slightly faster code path if multiple literals in a row*/ out->data[out->size++] = (unsigned char)code_ll; code_ll = huffmanDecodeSymbol(reader, &tree_ll); } if(code_ll <= 255) /*literal symbol*/ { out->data[out->size++] = (unsigned char)code_ll; } else if(code_ll >= FIRST_LENGTH_CODE_INDEX && code_ll <= LAST_LENGTH_CODE_INDEX) /*length code*/ { unsigned code_d, distance; unsigned numextrabits_l, numextrabits_d; /*extra bits for length and distance*/ size_t start, backward, length; /*part 1: get length base*/ length = LENGTHBASE[code_ll - FIRST_LENGTH_CODE_INDEX]; /*part 2: get extra bits and add the value of that to length*/ numextrabits_l = LENGTHEXTRA[code_ll - FIRST_LENGTH_CODE_INDEX]; if(numextrabits_l != 0) { /* bits already ensured above */ ensureBits25(reader, 5); length += readBits(reader, numextrabits_l); } /*part 3: get distance code*/ ensureBits32(reader, 28); /* up to 15 for the huffman symbol, up to 13 for the extra bits */ code_d = huffmanDecodeSymbol(reader, &tree_d); if(code_d > 29) { if(code_d <= 31) { ERROR_BREAK(18); /*error: invalid distance code (30-31 are never used)*/ } else /* if(code_d == INVALIDSYMBOL) */{ ERROR_BREAK(16); /*error: tried to read disallowed huffman symbol*/ } } distance = DISTANCEBASE[code_d]; /*part 4: get extra bits from distance*/ numextrabits_d = DISTANCEEXTRA[code_d]; if(numextrabits_d != 0) { /* bits already ensured above */ distance += readBits(reader, numextrabits_d); } /*part 5: fill in all the out[n] values based on the length and dist*/ start = out->size; if(distance > start) ERROR_BREAK(52); /*too long backward distance*/ backward = start - distance; out->size += length; if(distance < length) { size_t forward; lodepng_memcpy(out->data + start, out->data + backward, distance); start += distance; for(forward = distance; forward < length; ++forward) { out->data[start++] = out->data[backward++]; } } else { lodepng_memcpy(out->data + start, out->data + backward, length); } } else if(code_ll == 256) { done = 1; /*end code, finish the loop*/ } else /*if(code_ll == INVALIDSYMBOL)*/ { ERROR_BREAK(16); /*error: tried to read disallowed huffman symbol*/ } if(out->allocsize - out->size < reserved_size) { if(!ucvector_reserve(out, out->size + reserved_size)) ERROR_BREAK(83); /*alloc fail*/ } /*check if any of the ensureBits above went out of bounds*/ if(reader->bp > reader->bitsize) { /*return error code 10 or 11 depending on the situation that happened in huffmanDecodeSymbol (10=no endcode, 11=wrong jump outside of tree)*/ /* TODO: revise error codes 10,11,50: the above comment is no longer valid */ ERROR_BREAK(51); /*error, bit pointer jumps past memory*/ } if(max_output_size && out->size > max_output_size) { ERROR_BREAK(109); /*error, larger than max size*/ } } HuffmanTree_cleanup(&tree_ll); HuffmanTree_cleanup(&tree_d); return error; } static unsigned inflateNoCompression(ucvector* out, LodePNGBitReader* reader, const LodePNGDecompressSettings* settings) { size_t bytepos; size_t size = reader->size; unsigned LEN, NLEN, error = 0; /*go to first boundary of byte*/ bytepos = (reader->bp + 7u) >> 3u; /*read LEN (2 bytes) and NLEN (2 bytes)*/ if(bytepos + 4 >= size) return 52; /*error, bit pointer will jump past memory*/ LEN = (unsigned)reader->data[bytepos] + ((unsigned)reader->data[bytepos + 1] << 8u); bytepos += 2; NLEN = (unsigned)reader->data[bytepos] + ((unsigned)reader->data[bytepos + 1] << 8u); bytepos += 2; /*check if 16-bit NLEN is really the one's complement of LEN*/ if(!settings->ignore_nlen && LEN + NLEN != 65535) { return 21; /*error: NLEN is not one's complement of LEN*/ } if(!ucvector_resize(out, out->size + LEN)) return 83; /*alloc fail*/ /*read the literal data: LEN bytes are now stored in the out buffer*/ if(bytepos + LEN > size) return 23; /*error: reading outside of in buffer*/ /*out->data can be NULL (when LEN is zero), and arithmetics on NULL ptr is undefined*/ if (LEN) { lodepng_memcpy(out->data + out->size - LEN, reader->data + bytepos, LEN); bytepos += LEN; } reader->bp = bytepos << 3u; return error; } static unsigned lodepng_inflatev(ucvector* out, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { unsigned BFINAL = 0; LodePNGBitReader reader; unsigned error = LodePNGBitReader_init(&reader, in, insize); if(error) return error; while(!BFINAL) { unsigned BTYPE; if(reader.bitsize - reader.bp < 3) return 52; /*error, bit pointer will jump past memory*/ ensureBits9(&reader, 3); BFINAL = readBits(&reader, 1); BTYPE = readBits(&reader, 2); if(BTYPE == 3) return 20; /*error: invalid BTYPE*/ else if(BTYPE == 0) error = inflateNoCompression(out, &reader, settings); /*no compression*/ else error = inflateHuffmanBlock(out, &reader, BTYPE, settings->max_output_size); /*compression, BTYPE 01 or 10*/ if(!error && settings->max_output_size && out->size > settings->max_output_size) error = 109; if(error) break; } return error; } unsigned lodepng_inflate(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { ucvector v = ucvector_init(*out, *outsize); unsigned error = lodepng_inflatev(&v, in, insize, settings); *out = v.data; *outsize = v.size; return error; } static unsigned inflatev(ucvector* out, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { if(settings->custom_inflate) { unsigned error = settings->custom_inflate(&out->data, &out->size, in, insize, settings); out->allocsize = out->size; if(error) { /*the custom inflate is allowed to have its own error codes, however, we translate it to code 110*/ error = 110; /*if there's a max output size, and the custom zlib returned error, then indicate that error instead*/ if(settings->max_output_size && out->size > settings->max_output_size) error = 109; } return error; } else { return lodepng_inflatev(out, in, insize, settings); } } #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER /* ////////////////////////////////////////////////////////////////////////// */ /* / Deflator (Compressor) / */ /* ////////////////////////////////////////////////////////////////////////// */ static const size_t MAX_SUPPORTED_DEFLATE_LENGTH = 258; /*search the index in the array, that has the largest value smaller than or equal to the given value, given array must be sorted (if no value is smaller, it returns the size of the given array)*/ static size_t searchCodeIndex(const unsigned* array, size_t array_size, size_t value) { /*binary search (only small gain over linear). TODO: use CPU log2 instruction for getting symbols instead*/ size_t left = 1; size_t right = array_size - 1; while(left <= right) { size_t mid = (left + right) >> 1; if(array[mid] >= value) right = mid - 1; else left = mid + 1; } if(left >= array_size || array[left] > value) left--; return left; } static void addLengthDistance(uivector* values, size_t length, size_t distance) { /*values in encoded vector are those used by deflate: 0-255: literal bytes 256: end 257-285: length/distance pair (length code, followed by extra length bits, distance code, extra distance bits) 286-287: invalid*/ unsigned length_code = (unsigned)searchCodeIndex(LENGTHBASE, 29, length); unsigned extra_length = (unsigned)(length - LENGTHBASE[length_code]); unsigned dist_code = (unsigned)searchCodeIndex(DISTANCEBASE, 30, distance); unsigned extra_distance = (unsigned)(distance - DISTANCEBASE[dist_code]); size_t pos = values->size; /*TODO: return error when this fails (out of memory)*/ unsigned ok = uivector_resize(values, values->size + 4); if(ok) { values->data[pos + 0] = length_code + FIRST_LENGTH_CODE_INDEX; values->data[pos + 1] = extra_length; values->data[pos + 2] = dist_code; values->data[pos + 3] = extra_distance; } } /*3 bytes of data get encoded into two bytes. The hash cannot use more than 3 bytes as input because 3 is the minimum match length for deflate*/ static const unsigned HASH_NUM_VALUES = 65536; static const unsigned HASH_BIT_MASK = 65535; /*HASH_NUM_VALUES - 1, but C90 does not like that as initializer*/ typedef struct Hash { int* head; /*hash value to head circular pos - can be outdated if went around window*/ /*circular pos to prev circular pos*/ unsigned short* chain; int* val; /*circular pos to hash value*/ /*TODO: do this not only for zeros but for any repeated byte. However for PNG it's always going to be the zeros that dominate, so not important for PNG*/ int* headz; /*similar to head, but for chainz*/ unsigned short* chainz; /*those with same amount of zeros*/ unsigned short* zeros; /*length of zeros streak, used as a second hash chain*/ } Hash; static unsigned hash_init(Hash* hash, unsigned windowsize) { unsigned i; hash->head = (int*)lodepng_malloc(sizeof(int) * HASH_NUM_VALUES); hash->val = (int*)lodepng_malloc(sizeof(int) * windowsize); hash->chain = (unsigned short*)lodepng_malloc(sizeof(unsigned short) * windowsize); hash->zeros = (unsigned short*)lodepng_malloc(sizeof(unsigned short) * windowsize); hash->headz = (int*)lodepng_malloc(sizeof(int) * (MAX_SUPPORTED_DEFLATE_LENGTH + 1)); hash->chainz = (unsigned short*)lodepng_malloc(sizeof(unsigned short) * windowsize); if(!hash->head || !hash->chain || !hash->val || !hash->headz|| !hash->chainz || !hash->zeros) { return 83; /*alloc fail*/ } /*initialize hash table*/ for(i = 0; i != HASH_NUM_VALUES; ++i) hash->head[i] = -1; for(i = 0; i != windowsize; ++i) hash->val[i] = -1; for(i = 0; i != windowsize; ++i) hash->chain[i] = i; /*same value as index indicates uninitialized*/ for(i = 0; i <= MAX_SUPPORTED_DEFLATE_LENGTH; ++i) hash->headz[i] = -1; for(i = 0; i != windowsize; ++i) hash->chainz[i] = i; /*same value as index indicates uninitialized*/ return 0; } static void hash_cleanup(Hash* hash) { lodepng_free(hash->head); lodepng_free(hash->val); lodepng_free(hash->chain); lodepng_free(hash->zeros); lodepng_free(hash->headz); lodepng_free(hash->chainz); } static unsigned getHash(const unsigned char* data, size_t size, size_t pos) { unsigned result = 0; if(pos + 2 < size) { /*A simple shift and xor hash is used. Since the data of PNGs is dominated by zeroes due to the filters, a better hash does not have a significant effect on speed in traversing the chain, and causes more time spend on calculating the hash.*/ result ^= ((unsigned)data[pos + 0] << 0u); result ^= ((unsigned)data[pos + 1] << 4u); result ^= ((unsigned)data[pos + 2] << 8u); } else { size_t amount, i; if(pos >= size) return 0; amount = size - pos; for(i = 0; i != amount; ++i) result ^= ((unsigned)data[pos + i] << (i * 8u)); } return result & HASH_BIT_MASK; } static unsigned countZeros(const unsigned char* data, size_t size, size_t pos) { const unsigned char* start = data + pos; const unsigned char* end = start + MAX_SUPPORTED_DEFLATE_LENGTH; if(end > data + size) end = data + size; data = start; while(data != end && *data == 0) ++data; /*subtracting two addresses returned as 32-bit number (max value is MAX_SUPPORTED_DEFLATE_LENGTH)*/ return (unsigned)(data - start); } /*wpos = pos & (windowsize - 1)*/ static void updateHashChain(Hash* hash, size_t wpos, unsigned hashval, unsigned short numzeros) { hash->val[wpos] = (int)hashval; if(hash->head[hashval] != -1) hash->chain[wpos] = hash->head[hashval]; hash->head[hashval] = (int)wpos; hash->zeros[wpos] = numzeros; if(hash->headz[numzeros] != -1) hash->chainz[wpos] = hash->headz[numzeros]; hash->headz[numzeros] = (int)wpos; } /* LZ77-encode the data. Return value is error code. The input are raw bytes, the output is in the form of unsigned integers with codes representing for example literal bytes, or length/distance pairs. It uses a hash table technique to let it encode faster. When doing LZ77 encoding, a sliding window (of windowsize) is used, and all past bytes in that window can be used as the "dictionary". A brute force search through all possible distances would be slow, and this hash technique is one out of several ways to speed this up. */ static unsigned encodeLZ77(uivector* out, Hash* hash, const unsigned char* in, size_t inpos, size_t insize, unsigned windowsize, unsigned minmatch, unsigned nicematch, unsigned lazymatching) { size_t pos; unsigned i, error = 0; /*for large window lengths, assume the user wants no compression loss. Otherwise, max hash chain length speedup.*/ unsigned maxchainlength = windowsize >= 8192 ? windowsize : windowsize / 8u; unsigned maxlazymatch = windowsize >= 8192 ? MAX_SUPPORTED_DEFLATE_LENGTH : 64; unsigned usezeros = 1; /*not sure if setting it to false for windowsize < 8192 is better or worse*/ unsigned numzeros = 0; unsigned offset; /*the offset represents the distance in LZ77 terminology*/ unsigned length; unsigned lazy = 0; unsigned lazylength = 0, lazyoffset = 0; unsigned hashval; unsigned current_offset, current_length; unsigned prev_offset; const unsigned char *lastptr, *foreptr, *backptr; unsigned hashpos; if(windowsize == 0 || windowsize > 32768) return 60; /*error: windowsize smaller/larger than allowed*/ if((windowsize & (windowsize - 1)) != 0) return 90; /*error: must be power of two*/ if(nicematch > MAX_SUPPORTED_DEFLATE_LENGTH) nicematch = MAX_SUPPORTED_DEFLATE_LENGTH; for(pos = inpos; pos < insize; ++pos) { size_t wpos = pos & (windowsize - 1); /*position for in 'circular' hash buffers*/ unsigned chainlength = 0; hashval = getHash(in, insize, pos); if(usezeros && hashval == 0) { if(numzeros == 0) numzeros = countZeros(in, insize, pos); else if(pos + numzeros > insize || in[pos + numzeros - 1] != 0) --numzeros; } else { numzeros = 0; } updateHashChain(hash, wpos, hashval, numzeros); /*the length and offset found for the current position*/ length = 0; offset = 0; hashpos = hash->chain[wpos]; lastptr = &in[insize < pos + MAX_SUPPORTED_DEFLATE_LENGTH ? insize : pos + MAX_SUPPORTED_DEFLATE_LENGTH]; /*search for the longest string*/ prev_offset = 0; for(;;) { if(chainlength++ >= maxchainlength) break; current_offset = (unsigned)(hashpos <= wpos ? wpos - hashpos : wpos - hashpos + windowsize); if(current_offset < prev_offset) break; /*stop when went completely around the circular buffer*/ prev_offset = current_offset; if(current_offset > 0) { /*test the next characters*/ foreptr = &in[pos]; backptr = &in[pos - current_offset]; /*common case in PNGs is lots of zeros. Quickly skip over them as a speedup*/ if(numzeros >= 3) { unsigned skip = hash->zeros[hashpos]; if(skip > numzeros) skip = numzeros; backptr += skip; foreptr += skip; } while(foreptr != lastptr && *backptr == *foreptr) /*maximum supported length by deflate is max length*/ { ++backptr; ++foreptr; } current_length = (unsigned)(foreptr - &in[pos]); if(current_length > length) { length = current_length; /*the longest length*/ offset = current_offset; /*the offset that is related to this longest length*/ /*jump out once a length of max length is found (speed gain). This also jumps out if length is MAX_SUPPORTED_DEFLATE_LENGTH*/ if(current_length >= nicematch) break; } } if(hashpos == hash->chain[hashpos]) break; if(numzeros >= 3 && length > numzeros) { hashpos = hash->chainz[hashpos]; if(hash->zeros[hashpos] != numzeros) break; } else { hashpos = hash->chain[hashpos]; /*outdated hash value, happens if particular value was not encountered in whole last window*/ if(hash->val[hashpos] != (int)hashval) break; } } if(lazymatching) { if(!lazy && length >= 3 && length <= maxlazymatch && length < MAX_SUPPORTED_DEFLATE_LENGTH) { lazy = 1; lazylength = length; lazyoffset = offset; continue; /*try the next byte*/ } if(lazy) { lazy = 0; if(pos == 0) ERROR_BREAK(81); if(length > lazylength + 1) { /*push the previous character as literal*/ if(!uivector_push_back(out, in[pos - 1])) ERROR_BREAK(83 /*alloc fail*/); } else { length = lazylength; offset = lazyoffset; hash->head[hashval] = -1; /*the same hashchain update will be done, this ensures no wrong alteration*/ hash->headz[numzeros] = -1; /*idem*/ --pos; } } } if(length >= 3 && offset > windowsize) ERROR_BREAK(86 /*too big (or overflown negative) offset*/); /*encode it as length/distance pair or literal value*/ if(length < 3) /*only lengths of 3 or higher are supported as length/distance pair*/ { if(!uivector_push_back(out, in[pos])) ERROR_BREAK(83 /*alloc fail*/); } else if(length < minmatch || (length == 3 && offset > 4096)) { /*compensate for the fact that longer offsets have more extra bits, a length of only 3 may be not worth it then*/ if(!uivector_push_back(out, in[pos])) ERROR_BREAK(83 /*alloc fail*/); } else { addLengthDistance(out, length, offset); for(i = 1; i < length; ++i) { ++pos; wpos = pos & (windowsize - 1); hashval = getHash(in, insize, pos); if(usezeros && hashval == 0) { if(numzeros == 0) numzeros = countZeros(in, insize, pos); else if(pos + numzeros > insize || in[pos + numzeros - 1] != 0) --numzeros; } else { numzeros = 0; } updateHashChain(hash, wpos, hashval, numzeros); } } } /*end of the loop through each character of input*/ return error; } /* /////////////////////////////////////////////////////////////////////////// */ static unsigned deflateNoCompression(ucvector* out, const unsigned char* data, size_t datasize) { /*non compressed deflate block data: 1 bit BFINAL,2 bits BTYPE,(5 bits): it jumps to start of next byte, 2 bytes LEN, 2 bytes NLEN, LEN bytes literal DATA*/ size_t i, numdeflateblocks = (datasize + 65534u) / 65535u; unsigned datapos = 0; for(i = 0; i != numdeflateblocks; ++i) { unsigned BFINAL, BTYPE, LEN, NLEN; unsigned char firstbyte; size_t pos = out->size; BFINAL = (i == numdeflateblocks - 1); BTYPE = 0; LEN = 65535; if(datasize - datapos < 65535u) LEN = (unsigned)datasize - datapos; NLEN = 65535 - LEN; if(!ucvector_resize(out, out->size + LEN + 5)) return 83; /*alloc fail*/ firstbyte = (unsigned char)(BFINAL + ((BTYPE & 1u) << 1u) + ((BTYPE & 2u) << 1u)); out->data[pos + 0] = firstbyte; out->data[pos + 1] = (unsigned char)(LEN & 255); out->data[pos + 2] = (unsigned char)(LEN >> 8u); out->data[pos + 3] = (unsigned char)(NLEN & 255); out->data[pos + 4] = (unsigned char)(NLEN >> 8u); lodepng_memcpy(out->data + pos + 5, data + datapos, LEN); datapos += LEN; } return 0; } /* write the lz77-encoded data, which has lit, len and dist codes, to compressed stream using huffman trees. tree_ll: the tree for lit and len codes. tree_d: the tree for distance codes. */ static void writeLZ77data(LodePNGBitWriter* writer, const uivector* lz77_encoded, const HuffmanTree* tree_ll, const HuffmanTree* tree_d) { size_t i = 0; for(i = 0; i != lz77_encoded->size; ++i) { unsigned val = lz77_encoded->data[i]; writeBitsReversed(writer, tree_ll->codes[val], tree_ll->lengths[val]); if(val > 256) /*for a length code, 3 more things have to be added*/ { unsigned length_index = val - FIRST_LENGTH_CODE_INDEX; unsigned n_length_extra_bits = LENGTHEXTRA[length_index]; unsigned length_extra_bits = lz77_encoded->data[++i]; unsigned distance_code = lz77_encoded->data[++i]; unsigned distance_index = distance_code; unsigned n_distance_extra_bits = DISTANCEEXTRA[distance_index]; unsigned distance_extra_bits = lz77_encoded->data[++i]; writeBits(writer, length_extra_bits, n_length_extra_bits); writeBitsReversed(writer, tree_d->codes[distance_code], tree_d->lengths[distance_code]); writeBits(writer, distance_extra_bits, n_distance_extra_bits); } } } /*Deflate for a block of type "dynamic", that is, with freely, optimally, created huffman trees*/ static unsigned deflateDynamic(LodePNGBitWriter* writer, Hash* hash, const unsigned char* data, size_t datapos, size_t dataend, const LodePNGCompressSettings* settings, unsigned final) { unsigned error = 0; /* A block is compressed as follows: The PNG data is lz77 encoded, resulting in literal bytes and length/distance pairs. This is then huffman compressed with two huffman trees. One huffman tree is used for the lit and len values ("ll"), another huffman tree is used for the dist values ("d"). These two trees are stored using their code lengths, and to compress even more these code lengths are also run-length encoded and huffman compressed. This gives a huffman tree of code lengths "cl". The code lengths used to describe this third tree are the code length code lengths ("clcl"). */ /*The lz77 encoded data, represented with integers since there will also be length and distance codes in it*/ uivector lz77_encoded; HuffmanTree tree_ll; /*tree for lit,len values*/ HuffmanTree tree_d; /*tree for distance codes*/ HuffmanTree tree_cl; /*tree for encoding the code lengths representing tree_ll and tree_d*/ unsigned* frequencies_ll = 0; /*frequency of lit,len codes*/ unsigned* frequencies_d = 0; /*frequency of dist codes*/ unsigned* frequencies_cl = 0; /*frequency of code length codes*/ unsigned* bitlen_lld = 0; /*lit,len,dist code lengths (int bits), literally (without repeat codes).*/ unsigned* bitlen_lld_e = 0; /*bitlen_lld encoded with repeat codes (this is a rudimentary run length compression)*/ size_t datasize = dataend - datapos; /* If we could call "bitlen_cl" the the code length code lengths ("clcl"), that is the bit lengths of codes to represent tree_cl in CLCL_ORDER, then due to the huffman compression of huffman tree representations ("two levels"), there are some analogies: bitlen_lld is to tree_cl what data is to tree_ll and tree_d. bitlen_lld_e is to bitlen_lld what lz77_encoded is to data. bitlen_cl is to bitlen_lld_e what bitlen_lld is to lz77_encoded. */ unsigned BFINAL = final; size_t i; size_t numcodes_ll, numcodes_d, numcodes_lld, numcodes_lld_e, numcodes_cl; unsigned HLIT, HDIST, HCLEN; uivector_init(&lz77_encoded); HuffmanTree_init(&tree_ll); HuffmanTree_init(&tree_d); HuffmanTree_init(&tree_cl); /* could fit on stack, but >1KB is on the larger side so allocate instead */ frequencies_ll = (unsigned*)lodepng_malloc(286 * sizeof(*frequencies_ll)); frequencies_d = (unsigned*)lodepng_malloc(30 * sizeof(*frequencies_d)); frequencies_cl = (unsigned*)lodepng_malloc(NUM_CODE_LENGTH_CODES * sizeof(*frequencies_cl)); if(!frequencies_ll || !frequencies_d || !frequencies_cl) error = 83; /*alloc fail*/ /*This while loop never loops due to a break at the end, it is here to allow breaking out of it to the cleanup phase on error conditions.*/ while(!error) { lodepng_memset(frequencies_ll, 0, 286 * sizeof(*frequencies_ll)); lodepng_memset(frequencies_d, 0, 30 * sizeof(*frequencies_d)); lodepng_memset(frequencies_cl, 0, NUM_CODE_LENGTH_CODES * sizeof(*frequencies_cl)); if(settings->use_lz77) { error = encodeLZ77(&lz77_encoded, hash, data, datapos, dataend, settings->windowsize, settings->minmatch, settings->nicematch, settings->lazymatching); if(error) break; } else { if(!uivector_resize(&lz77_encoded, datasize)) ERROR_BREAK(83 /*alloc fail*/); for(i = datapos; i < dataend; ++i) lz77_encoded.data[i - datapos] = data[i]; /*no LZ77, but still will be Huffman compressed*/ } /*Count the frequencies of lit, len and dist codes*/ for(i = 0; i != lz77_encoded.size; ++i) { unsigned symbol = lz77_encoded.data[i]; ++frequencies_ll[symbol]; if(symbol > 256) { unsigned dist = lz77_encoded.data[i + 2]; ++frequencies_d[dist]; i += 3; } } frequencies_ll[256] = 1; /*there will be exactly 1 end code, at the end of the block*/ /*Make both huffman trees, one for the lit and len codes, one for the dist codes*/ error = HuffmanTree_makeFromFrequencies(&tree_ll, frequencies_ll, 257, 286, 15); if(error) break; /*2, not 1, is chosen for mincodes: some buggy PNG decoders require at least 2 symbols in the dist tree*/ error = HuffmanTree_makeFromFrequencies(&tree_d, frequencies_d, 2, 30, 15); if(error) break; numcodes_ll = LODEPNG_MIN(tree_ll.numcodes, 286); numcodes_d = LODEPNG_MIN(tree_d.numcodes, 30); /*store the code lengths of both generated trees in bitlen_lld*/ numcodes_lld = numcodes_ll + numcodes_d; bitlen_lld = (unsigned*)lodepng_malloc(numcodes_lld * sizeof(*bitlen_lld)); /*numcodes_lld_e never needs more size than bitlen_lld*/ bitlen_lld_e = (unsigned*)lodepng_malloc(numcodes_lld * sizeof(*bitlen_lld_e)); if(!bitlen_lld || !bitlen_lld_e) ERROR_BREAK(83); /*alloc fail*/ numcodes_lld_e = 0; for(i = 0; i != numcodes_ll; ++i) bitlen_lld[i] = tree_ll.lengths[i]; for(i = 0; i != numcodes_d; ++i) bitlen_lld[numcodes_ll + i] = tree_d.lengths[i]; /*run-length compress bitlen_ldd into bitlen_lld_e by using repeat codes 16 (copy length 3-6 times), 17 (3-10 zeroes), 18 (11-138 zeroes)*/ for(i = 0; i != numcodes_lld; ++i) { unsigned j = 0; /*amount of repetitions*/ while(i + j + 1 < numcodes_lld && bitlen_lld[i + j + 1] == bitlen_lld[i]) ++j; if(bitlen_lld[i] == 0 && j >= 2) /*repeat code for zeroes*/ { ++j; /*include the first zero*/ if(j <= 10) /*repeat code 17 supports max 10 zeroes*/ { bitlen_lld_e[numcodes_lld_e++] = 17; bitlen_lld_e[numcodes_lld_e++] = j - 3; } else /*repeat code 18 supports max 138 zeroes*/ { if(j > 138) j = 138; bitlen_lld_e[numcodes_lld_e++] = 18; bitlen_lld_e[numcodes_lld_e++] = j - 11; } i += (j - 1); } else if(j >= 3) /*repeat code for value other than zero*/ { size_t k; unsigned num = j / 6u, rest = j % 6u; bitlen_lld_e[numcodes_lld_e++] = bitlen_lld[i]; for(k = 0; k < num; ++k) { bitlen_lld_e[numcodes_lld_e++] = 16; bitlen_lld_e[numcodes_lld_e++] = 6 - 3; } if(rest >= 3) { bitlen_lld_e[numcodes_lld_e++] = 16; bitlen_lld_e[numcodes_lld_e++] = rest - 3; } else j -= rest; i += j; } else /*too short to benefit from repeat code*/ { bitlen_lld_e[numcodes_lld_e++] = bitlen_lld[i]; } } /*generate tree_cl, the huffmantree of huffmantrees*/ for(i = 0; i != numcodes_lld_e; ++i) { ++frequencies_cl[bitlen_lld_e[i]]; /*after a repeat code come the bits that specify the number of repetitions, those don't need to be in the frequencies_cl calculation*/ if(bitlen_lld_e[i] >= 16) ++i; } error = HuffmanTree_makeFromFrequencies(&tree_cl, frequencies_cl, NUM_CODE_LENGTH_CODES, NUM_CODE_LENGTH_CODES, 7); if(error) break; /*compute amount of code-length-code-lengths to output*/ numcodes_cl = NUM_CODE_LENGTH_CODES; /*trim zeros at the end (using CLCL_ORDER), but minimum size must be 4 (see HCLEN below)*/ while(numcodes_cl > 4u && tree_cl.lengths[CLCL_ORDER[numcodes_cl - 1u]] == 0) { numcodes_cl--; } /* Write everything into the output After the BFINAL and BTYPE, the dynamic block consists out of the following: - 5 bits HLIT, 5 bits HDIST, 4 bits HCLEN - (HCLEN+4)*3 bits code lengths of code length alphabet - HLIT + 257 code lengths of lit/length alphabet (encoded using the code length alphabet, + possible repetition codes 16, 17, 18) - HDIST + 1 code lengths of distance alphabet (encoded using the code length alphabet, + possible repetition codes 16, 17, 18) - compressed data - 256 (end code) */ /*Write block type*/ writeBits(writer, BFINAL, 1); writeBits(writer, 0, 1); /*first bit of BTYPE "dynamic"*/ writeBits(writer, 1, 1); /*second bit of BTYPE "dynamic"*/ /*write the HLIT, HDIST and HCLEN values*/ /*all three sizes take trimmed ending zeroes into account, done either by HuffmanTree_makeFromFrequencies or in the loop for numcodes_cl above, which saves space. */ HLIT = (unsigned)(numcodes_ll - 257); HDIST = (unsigned)(numcodes_d - 1); HCLEN = (unsigned)(numcodes_cl - 4); writeBits(writer, HLIT, 5); writeBits(writer, HDIST, 5); writeBits(writer, HCLEN, 4); /*write the code lengths of the code length alphabet ("bitlen_cl")*/ for(i = 0; i != numcodes_cl; ++i) writeBits(writer, tree_cl.lengths[CLCL_ORDER[i]], 3); /*write the lengths of the lit/len AND the dist alphabet*/ for(i = 0; i != numcodes_lld_e; ++i) { writeBitsReversed(writer, tree_cl.codes[bitlen_lld_e[i]], tree_cl.lengths[bitlen_lld_e[i]]); /*extra bits of repeat codes*/ if(bitlen_lld_e[i] == 16) writeBits(writer, bitlen_lld_e[++i], 2); else if(bitlen_lld_e[i] == 17) writeBits(writer, bitlen_lld_e[++i], 3); else if(bitlen_lld_e[i] == 18) writeBits(writer, bitlen_lld_e[++i], 7); } /*write the compressed data symbols*/ writeLZ77data(writer, &lz77_encoded, &tree_ll, &tree_d); /*error: the length of the end code 256 must be larger than 0*/ if(tree_ll.lengths[256] == 0) ERROR_BREAK(64); /*write the end code*/ writeBitsReversed(writer, tree_ll.codes[256], tree_ll.lengths[256]); break; /*end of error-while*/ } /*cleanup*/ uivector_cleanup(&lz77_encoded); HuffmanTree_cleanup(&tree_ll); HuffmanTree_cleanup(&tree_d); HuffmanTree_cleanup(&tree_cl); lodepng_free(frequencies_ll); lodepng_free(frequencies_d); lodepng_free(frequencies_cl); lodepng_free(bitlen_lld); lodepng_free(bitlen_lld_e); return error; } static unsigned deflateFixed(LodePNGBitWriter* writer, Hash* hash, const unsigned char* data, size_t datapos, size_t dataend, const LodePNGCompressSettings* settings, unsigned final) { HuffmanTree tree_ll; /*tree for literal values and length codes*/ HuffmanTree tree_d; /*tree for distance codes*/ unsigned BFINAL = final; unsigned error = 0; size_t i; HuffmanTree_init(&tree_ll); HuffmanTree_init(&tree_d); error = generateFixedLitLenTree(&tree_ll); if(!error) error = generateFixedDistanceTree(&tree_d); if(!error) { writeBits(writer, BFINAL, 1); writeBits(writer, 1, 1); /*first bit of BTYPE*/ writeBits(writer, 0, 1); /*second bit of BTYPE*/ if(settings->use_lz77) /*LZ77 encoded*/ { uivector lz77_encoded; uivector_init(&lz77_encoded); error = encodeLZ77(&lz77_encoded, hash, data, datapos, dataend, settings->windowsize, settings->minmatch, settings->nicematch, settings->lazymatching); if(!error) writeLZ77data(writer, &lz77_encoded, &tree_ll, &tree_d); uivector_cleanup(&lz77_encoded); } else /*no LZ77, but still will be Huffman compressed*/ { for(i = datapos; i < dataend; ++i) { writeBitsReversed(writer, tree_ll.codes[data[i]], tree_ll.lengths[data[i]]); } } /*add END code*/ if(!error) writeBitsReversed(writer,tree_ll.codes[256], tree_ll.lengths[256]); } /*cleanup*/ HuffmanTree_cleanup(&tree_ll); HuffmanTree_cleanup(&tree_d); return error; } static unsigned lodepng_deflatev(ucvector* out, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings) { unsigned error = 0; size_t i, blocksize, numdeflateblocks; Hash hash; LodePNGBitWriter writer; LodePNGBitWriter_init(&writer, out); if(settings->btype > 2) return 61; else if(settings->btype == 0) return deflateNoCompression(out, in, insize); else if(settings->btype == 1) blocksize = insize; else /*if(settings->btype == 2)*/ { /*on PNGs, deflate blocks of 65-262k seem to give most dense encoding*/ blocksize = insize / 8u + 8; if(blocksize < 65536) blocksize = 65536; if(blocksize > 262144) blocksize = 262144; } numdeflateblocks = (insize + blocksize - 1) / blocksize; if(numdeflateblocks == 0) numdeflateblocks = 1; error = hash_init(&hash, settings->windowsize); if(!error) { for(i = 0; i != numdeflateblocks && !error; ++i) { unsigned final = (i == numdeflateblocks - 1); size_t start = i * blocksize; size_t end = start + blocksize; if(end > insize) end = insize; if(settings->btype == 1) error = deflateFixed(&writer, &hash, in, start, end, settings, final); else if(settings->btype == 2) error = deflateDynamic(&writer, &hash, in, start, end, settings, final); } } hash_cleanup(&hash); return error; } unsigned lodepng_deflate(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings) { ucvector v = ucvector_init(*out, *outsize); unsigned error = lodepng_deflatev(&v, in, insize, settings); *out = v.data; *outsize = v.size; return error; } static unsigned deflate(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings) { if(settings->custom_deflate) { unsigned error = settings->custom_deflate(out, outsize, in, insize, settings); /*the custom deflate is allowed to have its own error codes, however, we translate it to code 111*/ return error ? 111 : 0; } else { return lodepng_deflate(out, outsize, in, insize, settings); } } #endif /*LODEPNG_COMPILE_DECODER*/ /* ////////////////////////////////////////////////////////////////////////// */ /* / Adler32 / */ /* ////////////////////////////////////////////////////////////////////////// */ static unsigned update_adler32(unsigned adler, const unsigned char* data, unsigned len) { unsigned s1 = adler & 0xffffu; unsigned s2 = (adler >> 16u) & 0xffffu; while(len != 0u) { unsigned i; /*at least 5552 sums can be done before the sums overflow, saving a lot of module divisions*/ unsigned amount = len > 5552u ? 5552u : len; len -= amount; for(i = 0; i != amount; ++i) { s1 += (*data++); s2 += s1; } s1 %= 65521u; s2 %= 65521u; } return (s2 << 16u) | s1; } /*Return the adler32 of the bytes data[0..len-1]*/ static unsigned adler32(const unsigned char* data, unsigned len) { return update_adler32(1u, data, len); } /* ////////////////////////////////////////////////////////////////////////// */ /* / Zlib / */ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_DECODER static unsigned lodepng_zlib_decompressv(ucvector* out, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { unsigned error = 0; unsigned CM, CINFO, FDICT; if(insize < 2) return 53; /*error, size of zlib data too small*/ /*read information from zlib header*/ if((in[0] * 256 + in[1]) % 31 != 0) { /*error: 256 * in[0] + in[1] must be a multiple of 31, the FCHECK value is supposed to be made that way*/ return 24; } CM = in[0] & 15; CINFO = (in[0] >> 4) & 15; /*FCHECK = in[1] & 31;*/ /*FCHECK is already tested above*/ FDICT = (in[1] >> 5) & 1; /*FLEVEL = (in[1] >> 6) & 3;*/ /*FLEVEL is not used here*/ if(CM != 8 || CINFO > 7) { /*error: only compression method 8: inflate with sliding window of 32k is supported by the PNG spec*/ return 25; } if(FDICT != 0) { /*error: the specification of PNG says about the zlib stream: "The additional flags shall not specify a preset dictionary."*/ return 26; } error = inflatev(out, in + 2, insize - 2, settings); if(error) return error; if(!settings->ignore_adler32) { unsigned ADLER32 = lodepng_read32bitInt(&in[insize - 4]); unsigned checksum = adler32(out->data, (unsigned)(out->size)); if(checksum != ADLER32) return 58; /*error, adler checksum not correct, data must be corrupted*/ } return 0; /*no error*/ } unsigned lodepng_zlib_decompress(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { ucvector v = ucvector_init(*out, *outsize); unsigned error = lodepng_zlib_decompressv(&v, in, insize, settings); *out = v.data; *outsize = v.size; return error; } /*expected_size is expected output size, to avoid intermediate allocations. Set to 0 if not known. */ static unsigned zlib_decompress(unsigned char** out, size_t* outsize, size_t expected_size, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { unsigned error; if(settings->custom_zlib) { error = settings->custom_zlib(out, outsize, in, insize, settings); if(error) { /*the custom zlib is allowed to have its own error codes, however, we translate it to code 110*/ error = 110; /*if there's a max output size, and the custom zlib returned error, then indicate that error instead*/ if(settings->max_output_size && *outsize > settings->max_output_size) error = 109; } } else { ucvector v = ucvector_init(*out, *outsize); if(expected_size) { /*reserve the memory to avoid intermediate reallocations*/ ucvector_resize(&v, *outsize + expected_size); v.size = *outsize; } error = lodepng_zlib_decompressv(&v, in, insize, settings); *out = v.data; *outsize = v.size; } return error; } #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER unsigned lodepng_zlib_compress(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings) { size_t i; unsigned error; unsigned char* deflatedata = 0; size_t deflatesize = 0; error = deflate(&deflatedata, &deflatesize, in, insize, settings); *out = NULL; *outsize = 0; if(!error) { *outsize = deflatesize + 6; *out = (unsigned char*)lodepng_malloc(*outsize); if(!*out) error = 83; /*alloc fail*/ } if(!error) { unsigned ADLER32 = adler32(in, (unsigned)insize); /*zlib data: 1 byte CMF (CM+CINFO), 1 byte FLG, deflate data, 4 byte ADLER32 checksum of the Decompressed data*/ unsigned CMF = 120; /*0b01111000: CM 8, CINFO 7. With CINFO 7, any window size up to 32768 can be used.*/ unsigned FLEVEL = 0; unsigned FDICT = 0; unsigned CMFFLG = 256 * CMF + FDICT * 32 + FLEVEL * 64; unsigned FCHECK = 31 - CMFFLG % 31; CMFFLG += FCHECK; (*out)[0] = (unsigned char)(CMFFLG >> 8); (*out)[1] = (unsigned char)(CMFFLG & 255); for(i = 0; i != deflatesize; ++i) (*out)[i + 2] = deflatedata[i]; lodepng_set32bitInt(&(*out)[*outsize - 4], ADLER32); } lodepng_free(deflatedata); return error; } /* compress using the default or custom zlib function */ static unsigned zlib_compress(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings) { if(settings->custom_zlib) { unsigned error = settings->custom_zlib(out, outsize, in, insize, settings); /*the custom zlib is allowed to have its own error codes, however, we translate it to code 111*/ return error ? 111 : 0; } else { return lodepng_zlib_compress(out, outsize, in, insize, settings); } } #endif /*LODEPNG_COMPILE_ENCODER*/ #else /*no LODEPNG_COMPILE_ZLIB*/ #ifdef LODEPNG_COMPILE_DECODER static unsigned zlib_decompress(unsigned char** out, size_t* outsize, size_t expected_size, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings) { if(!settings->custom_zlib) return 87; /*no custom zlib function provided */ (void)expected_size; return settings->custom_zlib(out, outsize, in, insize, settings); } #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER static unsigned zlib_compress(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings) { if(!settings->custom_zlib) return 87; /*no custom zlib function provided */ return settings->custom_zlib(out, outsize, in, insize, settings); } #endif /*LODEPNG_COMPILE_ENCODER*/ #endif /*LODEPNG_COMPILE_ZLIB*/ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_ENCODER /*this is a good tradeoff between speed and compression ratio*/ #define DEFAULT_WINDOWSIZE 2048 void lodepng_compress_settings_init(LodePNGCompressSettings* settings) { /*compress with dynamic huffman tree (not in the mathematical sense, just not the predefined one)*/ settings->btype = 2; settings->use_lz77 = 1; settings->windowsize = DEFAULT_WINDOWSIZE; settings->minmatch = 3; settings->nicematch = 128; settings->lazymatching = 1; settings->custom_zlib = 0; settings->custom_deflate = 0; settings->custom_context = 0; } const LodePNGCompressSettings lodepng_default_compress_settings = {2, 1, DEFAULT_WINDOWSIZE, 3, 128, 1, 0, 0, 0}; #endif /*LODEPNG_COMPILE_ENCODER*/ #ifdef LODEPNG_COMPILE_DECODER void lodepng_decompress_settings_init(LodePNGDecompressSettings* settings) { settings->ignore_adler32 = 0; settings->ignore_nlen = 0; settings->max_output_size = 0; settings->custom_zlib = 0; settings->custom_inflate = 0; settings->custom_context = 0; } const LodePNGDecompressSettings lodepng_default_decompress_settings = {0, 0, 0, 0, 0, 0}; #endif /*LODEPNG_COMPILE_DECODER*/ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ /* // End of Zlib related code. Begin of PNG related code. // */ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_PNG /* ////////////////////////////////////////////////////////////////////////// */ /* / CRC32 / */ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_CRC /* CRC polynomial: 0xedb88320 */ static unsigned lodepng_crc32_table[256] = { 0u, 1996959894u, 3993919788u, 2567524794u, 124634137u, 1886057615u, 3915621685u, 2657392035u, 249268274u, 2044508324u, 3772115230u, 2547177864u, 162941995u, 2125561021u, 3887607047u, 2428444049u, 498536548u, 1789927666u, 4089016648u, 2227061214u, 450548861u, 1843258603u, 4107580753u, 2211677639u, 325883990u, 1684777152u, 4251122042u, 2321926636u, 335633487u, 1661365465u, 4195302755u, 2366115317u, 997073096u, 1281953886u, 3579855332u, 2724688242u, 1006888145u, 1258607687u, 3524101629u, 2768942443u, 901097722u, 1119000684u, 3686517206u, 2898065728u, 853044451u, 1172266101u, 3705015759u, 2882616665u, 651767980u, 1373503546u, 3369554304u, 3218104598u, 565507253u, 1454621731u, 3485111705u, 3099436303u, 671266974u, 1594198024u, 3322730930u, 2970347812u, 795835527u, 1483230225u, 3244367275u, 3060149565u, 1994146192u, 31158534u, 2563907772u, 4023717930u, 1907459465u, 112637215u, 2680153253u, 3904427059u, 2013776290u, 251722036u, 2517215374u, 3775830040u, 2137656763u, 141376813u, 2439277719u, 3865271297u, 1802195444u, 476864866u, 2238001368u, 4066508878u, 1812370925u, 453092731u, 2181625025u, 4111451223u, 1706088902u, 314042704u, 2344532202u, 4240017532u, 1658658271u, 366619977u, 2362670323u, 4224994405u, 1303535960u, 984961486u, 2747007092u, 3569037538u, 1256170817u, 1037604311u, 2765210733u, 3554079995u, 1131014506u, 879679996u, 2909243462u, 3663771856u, 1141124467u, 855842277u, 2852801631u, 3708648649u, 1342533948u, 654459306u, 3188396048u, 3373015174u, 1466479909u, 544179635u, 3110523913u, 3462522015u, 1591671054u, 702138776u, 2966460450u, 3352799412u, 1504918807u, 783551873u, 3082640443u, 3233442989u, 3988292384u, 2596254646u, 62317068u, 1957810842u, 3939845945u, 2647816111u, 81470997u, 1943803523u, 3814918930u, 2489596804u, 225274430u, 2053790376u, 3826175755u, 2466906013u, 167816743u, 2097651377u, 4027552580u, 2265490386u, 503444072u, 1762050814u, 4150417245u, 2154129355u, 426522225u, 1852507879u, 4275313526u, 2312317920u, 282753626u, 1742555852u, 4189708143u, 2394877945u, 397917763u, 1622183637u, 3604390888u, 2714866558u, 953729732u, 1340076626u, 3518719985u, 2797360999u, 1068828381u, 1219638859u, 3624741850u, 2936675148u, 906185462u, 1090812512u, 3747672003u, 2825379669u, 829329135u, 1181335161u, 3412177804u, 3160834842u, 628085408u, 1382605366u, 3423369109u, 3138078467u, 570562233u, 1426400815u, 3317316542u, 2998733608u, 733239954u, 1555261956u, 3268935591u, 3050360625u, 752459403u, 1541320221u, 2607071920u, 3965973030u, 1969922972u, 40735498u, 2617837225u, 3943577151u, 1913087877u, 83908371u, 2512341634u, 3803740692u, 2075208622u, 213261112u, 2463272603u, 3855990285u, 2094854071u, 198958881u, 2262029012u, 4057260610u, 1759359992u, 534414190u, 2176718541u, 4139329115u, 1873836001u, 414664567u, 2282248934u, 4279200368u, 1711684554u, 285281116u, 2405801727u, 4167216745u, 1634467795u, 376229701u, 2685067896u, 3608007406u, 1308918612u, 956543938u, 2808555105u, 3495958263u, 1231636301u, 1047427035u, 2932959818u, 3654703836u, 1088359270u, 936918000u, 2847714899u, 3736837829u, 1202900863u, 817233897u, 3183342108u, 3401237130u, 1404277552u, 615818150u, 3134207493u, 3453421203u, 1423857449u, 601450431u, 3009837614u, 3294710456u, 1567103746u, 711928724u, 3020668471u, 3272380065u, 1510334235u, 755167117u }; /*Return the CRC of the bytes buf[0..len-1].*/ unsigned lodepng_crc32(const unsigned char* data, size_t length) { unsigned r = 0xffffffffu; size_t i; for(i = 0; i < length; ++i) { r = lodepng_crc32_table[(r ^ data[i]) & 0xffu] ^ (r >> 8u); } return r ^ 0xffffffffu; } #else /* LODEPNG_COMPILE_CRC */ /*in this case, the function is only declared here, and must be defined externally so that it will be linked in*/ unsigned lodepng_crc32(const unsigned char* data, size_t length); #endif /* LODEPNG_COMPILE_CRC */ /* ////////////////////////////////////////////////////////////////////////// */ /* / Reading and writing PNG color channel bits / */ /* ////////////////////////////////////////////////////////////////////////// */ /* The color channel bits of less-than-8-bit pixels are read with the MSB of bytes first, so LodePNGBitWriter and LodePNGBitReader can't be used for those. */ static unsigned char readBitFromReversedStream(size_t* bitpointer, const unsigned char* bitstream) { unsigned char result = (unsigned char)((bitstream[(*bitpointer) >> 3] >> (7 - ((*bitpointer) & 0x7))) & 1); ++(*bitpointer); return result; } /* TODO: make this faster */ static unsigned readBitsFromReversedStream(size_t* bitpointer, const unsigned char* bitstream, size_t nbits) { unsigned result = 0; size_t i; for(i = 0 ; i < nbits; ++i) { result <<= 1u; result |= (unsigned)readBitFromReversedStream(bitpointer, bitstream); } return result; } static void setBitOfReversedStream(size_t* bitpointer, unsigned char* bitstream, unsigned char bit) { /*the current bit in bitstream may be 0 or 1 for this to work*/ if(bit == 0) bitstream[(*bitpointer) >> 3u] &= (unsigned char)(~(1u << (7u - ((*bitpointer) & 7u)))); else bitstream[(*bitpointer) >> 3u] |= (1u << (7u - ((*bitpointer) & 7u))); ++(*bitpointer); } /* ////////////////////////////////////////////////////////////////////////// */ /* / PNG chunks / */ /* ////////////////////////////////////////////////////////////////////////// */ unsigned lodepng_chunk_length(const unsigned char* chunk) { return lodepng_read32bitInt(chunk); } void lodepng_chunk_type(char type[5], const unsigned char* chunk) { unsigned i; for(i = 0; i != 4; ++i) type[i] = (char)chunk[4 + i]; type[4] = 0; /*null termination char*/ } unsigned char lodepng_chunk_type_equals(const unsigned char* chunk, const char* type) { if(lodepng_strlen(type) != 4) return 0; return (chunk[4] == type[0] && chunk[5] == type[1] && chunk[6] == type[2] && chunk[7] == type[3]); } unsigned char lodepng_chunk_ancillary(const unsigned char* chunk) { return((chunk[4] & 32) != 0); } unsigned char lodepng_chunk_private(const unsigned char* chunk) { return((chunk[6] & 32) != 0); } unsigned char lodepng_chunk_safetocopy(const unsigned char* chunk) { return((chunk[7] & 32) != 0); } unsigned char* lodepng_chunk_data(unsigned char* chunk) { return &chunk[8]; } const unsigned char* lodepng_chunk_data_const(const unsigned char* chunk) { return &chunk[8]; } unsigned lodepng_chunk_check_crc(const unsigned char* chunk) { unsigned length = lodepng_chunk_length(chunk); unsigned CRC = lodepng_read32bitInt(&chunk[length + 8]); /*the CRC is taken of the data and the 4 chunk type letters, not the length*/ unsigned checksum = lodepng_crc32(&chunk[4], length + 4); if(CRC != checksum) return 1; else return 0; } void lodepng_chunk_generate_crc(unsigned char* chunk) { unsigned length = lodepng_chunk_length(chunk); unsigned CRC = lodepng_crc32(&chunk[4], length + 4); lodepng_set32bitInt(chunk + 8 + length, CRC); } unsigned char* lodepng_chunk_next(unsigned char* chunk, unsigned char* end) { size_t available_size = (size_t)(end - chunk); if(chunk >= end || available_size < 12) return end; /*too small to contain a chunk*/ if(chunk[0] == 0x89 && chunk[1] == 0x50 && chunk[2] == 0x4e && chunk[3] == 0x47 && chunk[4] == 0x0d && chunk[5] == 0x0a && chunk[6] == 0x1a && chunk[7] == 0x0a) { /* Is PNG magic header at start of PNG file. Jump to first actual chunk. */ return chunk + 8; } else { size_t total_chunk_length; if(lodepng_addofl(lodepng_chunk_length(chunk), 12, &total_chunk_length)) return end; if(total_chunk_length > available_size) return end; /*outside of range*/ return chunk + total_chunk_length; } } const unsigned char* lodepng_chunk_next_const(const unsigned char* chunk, const unsigned char* end) { size_t available_size = (size_t)(end - chunk); if(chunk >= end || available_size < 12) return end; /*too small to contain a chunk*/ if(chunk[0] == 0x89 && chunk[1] == 0x50 && chunk[2] == 0x4e && chunk[3] == 0x47 && chunk[4] == 0x0d && chunk[5] == 0x0a && chunk[6] == 0x1a && chunk[7] == 0x0a) { /* Is PNG magic header at start of PNG file. Jump to first actual chunk. */ return chunk + 8; } else { size_t total_chunk_length; if(lodepng_addofl(lodepng_chunk_length(chunk), 12, &total_chunk_length)) return end; if(total_chunk_length > available_size) return end; /*outside of range*/ return chunk + total_chunk_length; } } unsigned char* lodepng_chunk_find(unsigned char* chunk, unsigned char* end, const char type[5]) { for(;;) { if(chunk >= end || end - chunk < 12) return 0; /* past file end: chunk + 12 > end */ if(lodepng_chunk_type_equals(chunk, type)) return chunk; chunk = lodepng_chunk_next(chunk, end); } } const unsigned char* lodepng_chunk_find_const(const unsigned char* chunk, const unsigned char* end, const char type[5]) { for(;;) { if(chunk >= end || end - chunk < 12) return 0; /* past file end: chunk + 12 > end */ if(lodepng_chunk_type_equals(chunk, type)) return chunk; chunk = lodepng_chunk_next_const(chunk, end); } } unsigned lodepng_chunk_append(unsigned char** out, size_t* outsize, const unsigned char* chunk) { unsigned i; size_t total_chunk_length, new_length; unsigned char *chunk_start, *new_buffer; if(lodepng_addofl(lodepng_chunk_length(chunk), 12, &total_chunk_length)) return 77; if(lodepng_addofl(*outsize, total_chunk_length, &new_length)) return 77; new_buffer = (unsigned char*)lodepng_realloc(*out, new_length); if(!new_buffer) return 83; /*alloc fail*/ (*out) = new_buffer; (*outsize) = new_length; chunk_start = &(*out)[new_length - total_chunk_length]; for(i = 0; i != total_chunk_length; ++i) chunk_start[i] = chunk[i]; return 0; } /*Sets length and name and allocates the space for data and crc but does not set data or crc yet. Returns the start of the chunk in chunk. The start of the data is at chunk + 8. To finalize chunk, add the data, then use lodepng_chunk_generate_crc */ static unsigned lodepng_chunk_init(unsigned char** chunk, ucvector* out, unsigned length, const char* type) { size_t new_length = out->size; if(lodepng_addofl(new_length, length, &new_length)) return 77; if(lodepng_addofl(new_length, 12, &new_length)) return 77; if(!ucvector_resize(out, new_length)) return 83; /*alloc fail*/ *chunk = out->data + new_length - length - 12u; /*1: length*/ lodepng_set32bitInt(*chunk, length); /*2: chunk name (4 letters)*/ lodepng_memcpy(*chunk + 4, type, 4); return 0; } /* like lodepng_chunk_create but with custom allocsize */ static unsigned lodepng_chunk_createv(ucvector* out, unsigned length, const char* type, const unsigned char* data) { unsigned char* chunk; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, length, type)); /*3: the data*/ lodepng_memcpy(chunk + 8, data, length); /*4: CRC (of the chunkname characters and the data)*/ lodepng_chunk_generate_crc(chunk); return 0; } unsigned lodepng_chunk_create(unsigned char** out, size_t* outsize, unsigned length, const char* type, const unsigned char* data) { ucvector v = ucvector_init(*out, *outsize); unsigned error = lodepng_chunk_createv(&v, length, type, data); *out = v.data; *outsize = v.size; return error; } /* ////////////////////////////////////////////////////////////////////////// */ /* / Color types, channels, bits / */ /* ////////////////////////////////////////////////////////////////////////// */ /*checks if the colortype is valid and the bitdepth bd is allowed for this colortype. Return value is a LodePNG error code.*/ static unsigned checkColorValidity(LodePNGColorType colortype, unsigned bd) { switch(colortype) { case LCT_GREY: if(!(bd == 1 || bd == 2 || bd == 4 || bd == 8 || bd == 16)) return 37; break; case LCT_RGB: if(!( bd == 8 || bd == 16)) return 37; break; case LCT_PALETTE: if(!(bd == 1 || bd == 2 || bd == 4 || bd == 8 )) return 37; break; case LCT_GREY_ALPHA: if(!( bd == 8 || bd == 16)) return 37; break; case LCT_RGBA: if(!( bd == 8 || bd == 16)) return 37; break; case LCT_MAX_OCTET_VALUE: return 31; /* invalid color type */ default: return 31; /* invalid color type */ } return 0; /*allowed color type / bits combination*/ } static unsigned getNumColorChannels(LodePNGColorType colortype) { switch(colortype) { case LCT_GREY: return 1; case LCT_RGB: return 3; case LCT_PALETTE: return 1; case LCT_GREY_ALPHA: return 2; case LCT_RGBA: return 4; case LCT_MAX_OCTET_VALUE: return 0; /* invalid color type */ default: return 0; /*invalid color type*/ } } static unsigned lodepng_get_bpp_lct(LodePNGColorType colortype, unsigned bitdepth) { /*bits per pixel is amount of channels * bits per channel*/ return getNumColorChannels(colortype) * bitdepth; } /* ////////////////////////////////////////////////////////////////////////// */ void lodepng_color_mode_init(LodePNGColorMode* info) { info->key_defined = 0; info->key_r = info->key_g = info->key_b = 0; info->colortype = LCT_RGBA; info->bitdepth = 8; info->palette = 0; info->palettesize = 0; } /*allocates palette memory if needed, and initializes all colors to black*/ static void lodepng_color_mode_alloc_palette(LodePNGColorMode* info) { size_t i; /*if the palette is already allocated, it will have size 1024 so no reallocation needed in that case*/ /*the palette must have room for up to 256 colors with 4 bytes each.*/ if(!info->palette) info->palette = (unsigned char*)lodepng_malloc(1024); if(!info->palette) return; /*alloc fail*/ for(i = 0; i != 256; ++i) { /*Initialize all unused colors with black, the value used for invalid palette indices. This is an error according to the PNG spec, but common PNG decoders make it black instead. That makes color conversion slightly faster due to no error handling needed.*/ info->palette[i * 4 + 0] = 0; info->palette[i * 4 + 1] = 0; info->palette[i * 4 + 2] = 0; info->palette[i * 4 + 3] = 255; } } void lodepng_color_mode_cleanup(LodePNGColorMode* info) { lodepng_palette_clear(info); } unsigned lodepng_color_mode_copy(LodePNGColorMode* dest, const LodePNGColorMode* source) { lodepng_color_mode_cleanup(dest); lodepng_memcpy(dest, source, sizeof(LodePNGColorMode)); if(source->palette) { dest->palette = (unsigned char*)lodepng_malloc(1024); if(!dest->palette && source->palettesize) return 83; /*alloc fail*/ lodepng_memcpy(dest->palette, source->palette, source->palettesize * 4); } return 0; } LodePNGColorMode lodepng_color_mode_make(LodePNGColorType colortype, unsigned bitdepth) { LodePNGColorMode result; lodepng_color_mode_init(&result); result.colortype = colortype; result.bitdepth = bitdepth; return result; } static int lodepng_color_mode_equal(const LodePNGColorMode* a, const LodePNGColorMode* b) { size_t i; if(a->colortype != b->colortype) return 0; if(a->bitdepth != b->bitdepth) return 0; if(a->key_defined != b->key_defined) return 0; if(a->key_defined) { if(a->key_r != b->key_r) return 0; if(a->key_g != b->key_g) return 0; if(a->key_b != b->key_b) return 0; } if(a->palettesize != b->palettesize) return 0; for(i = 0; i != a->palettesize * 4; ++i) { if(a->palette[i] != b->palette[i]) return 0; } return 1; } void lodepng_palette_clear(LodePNGColorMode* info) { if(info->palette) lodepng_free(info->palette); info->palette = 0; info->palettesize = 0; } unsigned lodepng_palette_add(LodePNGColorMode* info, unsigned char r, unsigned char g, unsigned char b, unsigned char a) { if(!info->palette) /*allocate palette if empty*/ { lodepng_color_mode_alloc_palette(info); if(!info->palette) return 83; /*alloc fail*/ } if(info->palettesize >= 256) { return 108; /*too many palette values*/ } info->palette[4 * info->palettesize + 0] = r; info->palette[4 * info->palettesize + 1] = g; info->palette[4 * info->palettesize + 2] = b; info->palette[4 * info->palettesize + 3] = a; ++info->palettesize; return 0; } /*calculate bits per pixel out of colortype and bitdepth*/ unsigned lodepng_get_bpp(const LodePNGColorMode* info) { return lodepng_get_bpp_lct(info->colortype, info->bitdepth); } unsigned lodepng_get_channels(const LodePNGColorMode* info) { return getNumColorChannels(info->colortype); } unsigned lodepng_is_greyscale_type(const LodePNGColorMode* info) { return info->colortype == LCT_GREY || info->colortype == LCT_GREY_ALPHA; } unsigned lodepng_is_alpha_type(const LodePNGColorMode* info) { return (info->colortype & 4) != 0; /*4 or 6*/ } unsigned lodepng_is_palette_type(const LodePNGColorMode* info) { return info->colortype == LCT_PALETTE; } unsigned lodepng_has_palette_alpha(const LodePNGColorMode* info) { size_t i; for(i = 0; i != info->palettesize; ++i) { if(info->palette[i * 4 + 3] < 255) return 1; } return 0; } unsigned lodepng_can_have_alpha(const LodePNGColorMode* info) { return info->key_defined || lodepng_is_alpha_type(info) || lodepng_has_palette_alpha(info); } static size_t lodepng_get_raw_size_lct(unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { size_t bpp = lodepng_get_bpp_lct(colortype, bitdepth); size_t n = (size_t)w * (size_t)h; return ((n / 8u) * bpp) + ((n & 7u) * bpp + 7u) / 8u; } size_t lodepng_get_raw_size(unsigned w, unsigned h, const LodePNGColorMode* color) { return lodepng_get_raw_size_lct(w, h, color->colortype, color->bitdepth); } #ifdef LODEPNG_COMPILE_PNG /*in an idat chunk, each scanline is a multiple of 8 bits, unlike the lodepng output buffer, and in addition has one extra byte per line: the filter byte. So this gives a larger result than lodepng_get_raw_size. Set h to 1 to get the size of 1 row including filter byte. */ static size_t lodepng_get_raw_size_idat(unsigned w, unsigned h, unsigned bpp) { /* + 1 for the filter byte, and possibly plus padding bits per line. */ /* Ignoring casts, the expression is equal to (w * bpp + 7) / 8 + 1, but avoids overflow of w * bpp */ size_t line = ((size_t)(w / 8u) * bpp) + 1u + ((w & 7u) * bpp + 7u) / 8u; return (size_t)h * line; } #ifdef LODEPNG_COMPILE_DECODER /*Safely checks whether size_t overflow can be caused due to amount of pixels. This check is overcautious rather than precise. If this check indicates no overflow, you can safely compute in a size_t (but not an unsigned): -(size_t)w * (size_t)h * 8 -amount of bytes in IDAT (including filter, padding and Adam7 bytes) -amount of bytes in raw color model Returns 1 if overflow possible, 0 if not. */ static int lodepng_pixel_overflow(unsigned w, unsigned h, const LodePNGColorMode* pngcolor, const LodePNGColorMode* rawcolor) { size_t bpp = LODEPNG_MAX(lodepng_get_bpp(pngcolor), lodepng_get_bpp(rawcolor)); size_t numpixels, total; size_t line; /* bytes per line in worst case */ if(lodepng_mulofl((size_t)w, (size_t)h, &numpixels)) return 1; if(lodepng_mulofl(numpixels, 8, &total)) return 1; /* bit pointer with 8-bit color, or 8 bytes per channel color */ /* Bytes per scanline with the expression "(w / 8u) * bpp) + ((w & 7u) * bpp + 7u) / 8u" */ if(lodepng_mulofl((size_t)(w / 8u), bpp, &line)) return 1; if(lodepng_addofl(line, ((w & 7u) * bpp + 7u) / 8u, &line)) return 1; if(lodepng_addofl(line, 5, &line)) return 1; /* 5 bytes overhead per line: 1 filterbyte, 4 for Adam7 worst case */ if(lodepng_mulofl(line, h, &total)) return 1; /* Total bytes in worst case */ return 0; /* no overflow */ } #endif /*LODEPNG_COMPILE_DECODER*/ #endif /*LODEPNG_COMPILE_PNG*/ #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS static void LodePNGUnknownChunks_init(LodePNGInfo* info) { unsigned i; for(i = 0; i != 3; ++i) info->unknown_chunks_data[i] = 0; for(i = 0; i != 3; ++i) info->unknown_chunks_size[i] = 0; } static void LodePNGUnknownChunks_cleanup(LodePNGInfo* info) { unsigned i; for(i = 0; i != 3; ++i) lodepng_free(info->unknown_chunks_data[i]); } static unsigned LodePNGUnknownChunks_copy(LodePNGInfo* dest, const LodePNGInfo* src) { unsigned i; LodePNGUnknownChunks_cleanup(dest); for(i = 0; i != 3; ++i) { size_t j; dest->unknown_chunks_size[i] = src->unknown_chunks_size[i]; dest->unknown_chunks_data[i] = (unsigned char*)lodepng_malloc(src->unknown_chunks_size[i]); if(!dest->unknown_chunks_data[i] && dest->unknown_chunks_size[i]) return 83; /*alloc fail*/ for(j = 0; j < src->unknown_chunks_size[i]; ++j) { dest->unknown_chunks_data[i][j] = src->unknown_chunks_data[i][j]; } } return 0; } /******************************************************************************/ static void LodePNGText_init(LodePNGInfo* info) { info->text_num = 0; info->text_keys = NULL; info->text_strings = NULL; } static void LodePNGText_cleanup(LodePNGInfo* info) { size_t i; for(i = 0; i != info->text_num; ++i) { string_cleanup(&info->text_keys[i]); string_cleanup(&info->text_strings[i]); } lodepng_free(info->text_keys); lodepng_free(info->text_strings); } static unsigned LodePNGText_copy(LodePNGInfo* dest, const LodePNGInfo* source) { size_t i = 0; dest->text_keys = NULL; dest->text_strings = NULL; dest->text_num = 0; for(i = 0; i != source->text_num; ++i) { CERROR_TRY_RETURN(lodepng_add_text(dest, source->text_keys[i], source->text_strings[i])); } return 0; } static unsigned lodepng_add_text_sized(LodePNGInfo* info, const char* key, const char* str, size_t size) { char** new_keys = (char**)(lodepng_realloc(info->text_keys, sizeof(char*) * (info->text_num + 1))); char** new_strings = (char**)(lodepng_realloc(info->text_strings, sizeof(char*) * (info->text_num + 1))); if(new_keys) info->text_keys = new_keys; if(new_strings) info->text_strings = new_strings; if(!new_keys || !new_strings) return 83; /*alloc fail*/ ++info->text_num; info->text_keys[info->text_num - 1] = alloc_string(key); info->text_strings[info->text_num - 1] = alloc_string_sized(str, size); if(!info->text_keys[info->text_num - 1] || !info->text_strings[info->text_num - 1]) return 83; /*alloc fail*/ return 0; } unsigned lodepng_add_text(LodePNGInfo* info, const char* key, const char* str) { return lodepng_add_text_sized(info, key, str, lodepng_strlen(str)); } void lodepng_clear_text(LodePNGInfo* info) { LodePNGText_cleanup(info); } /******************************************************************************/ static void LodePNGIText_init(LodePNGInfo* info) { info->itext_num = 0; info->itext_keys = NULL; info->itext_langtags = NULL; info->itext_transkeys = NULL; info->itext_strings = NULL; } static void LodePNGIText_cleanup(LodePNGInfo* info) { size_t i; for(i = 0; i != info->itext_num; ++i) { string_cleanup(&info->itext_keys[i]); string_cleanup(&info->itext_langtags[i]); string_cleanup(&info->itext_transkeys[i]); string_cleanup(&info->itext_strings[i]); } lodepng_free(info->itext_keys); lodepng_free(info->itext_langtags); lodepng_free(info->itext_transkeys); lodepng_free(info->itext_strings); } static unsigned LodePNGIText_copy(LodePNGInfo* dest, const LodePNGInfo* source) { size_t i = 0; dest->itext_keys = NULL; dest->itext_langtags = NULL; dest->itext_transkeys = NULL; dest->itext_strings = NULL; dest->itext_num = 0; for(i = 0; i != source->itext_num; ++i) { CERROR_TRY_RETURN(lodepng_add_itext(dest, source->itext_keys[i], source->itext_langtags[i], source->itext_transkeys[i], source->itext_strings[i])); } return 0; } void lodepng_clear_itext(LodePNGInfo* info) { LodePNGIText_cleanup(info); } static unsigned lodepng_add_itext_sized(LodePNGInfo* info, const char* key, const char* langtag, const char* transkey, const char* str, size_t size) { char** new_keys = (char**)(lodepng_realloc(info->itext_keys, sizeof(char*) * (info->itext_num + 1))); char** new_langtags = (char**)(lodepng_realloc(info->itext_langtags, sizeof(char*) * (info->itext_num + 1))); char** new_transkeys = (char**)(lodepng_realloc(info->itext_transkeys, sizeof(char*) * (info->itext_num + 1))); char** new_strings = (char**)(lodepng_realloc(info->itext_strings, sizeof(char*) * (info->itext_num + 1))); if(new_keys) info->itext_keys = new_keys; if(new_langtags) info->itext_langtags = new_langtags; if(new_transkeys) info->itext_transkeys = new_transkeys; if(new_strings) info->itext_strings = new_strings; if(!new_keys || !new_langtags || !new_transkeys || !new_strings) return 83; /*alloc fail*/ ++info->itext_num; info->itext_keys[info->itext_num - 1] = alloc_string(key); info->itext_langtags[info->itext_num - 1] = alloc_string(langtag); info->itext_transkeys[info->itext_num - 1] = alloc_string(transkey); info->itext_strings[info->itext_num - 1] = alloc_string_sized(str, size); return 0; } unsigned lodepng_add_itext(LodePNGInfo* info, const char* key, const char* langtag, const char* transkey, const char* str) { return lodepng_add_itext_sized(info, key, langtag, transkey, str, lodepng_strlen(str)); } /* same as set but does not delete */ static unsigned lodepng_assign_icc(LodePNGInfo* info, const char* name, const unsigned char* profile, unsigned profile_size) { if(profile_size == 0) return 100; /*invalid ICC profile size*/ info->iccp_name = alloc_string(name); info->iccp_profile = (unsigned char*)lodepng_malloc(profile_size); if(!info->iccp_name || !info->iccp_profile) return 83; /*alloc fail*/ lodepng_memcpy(info->iccp_profile, profile, profile_size); info->iccp_profile_size = profile_size; return 0; /*ok*/ } unsigned lodepng_set_icc(LodePNGInfo* info, const char* name, const unsigned char* profile, unsigned profile_size) { if(info->iccp_name) lodepng_clear_icc(info); info->iccp_defined = 1; return lodepng_assign_icc(info, name, profile, profile_size); } void lodepng_clear_icc(LodePNGInfo* info) { string_cleanup(&info->iccp_name); lodepng_free(info->iccp_profile); info->iccp_profile = NULL; info->iccp_profile_size = 0; info->iccp_defined = 0; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ void lodepng_info_init(LodePNGInfo* info) { lodepng_color_mode_init(&info->color); info->interlace_method = 0; info->compression_method = 0; info->filter_method = 0; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS info->background_defined = 0; info->background_r = info->background_g = info->background_b = 0; LodePNGText_init(info); LodePNGIText_init(info); info->time_defined = 0; info->phys_defined = 0; info->gama_defined = 0; info->chrm_defined = 0; info->srgb_defined = 0; info->iccp_defined = 0; info->iccp_name = NULL; info->iccp_profile = NULL; info->sbit_defined = 0; info->sbit_r = info->sbit_g = info->sbit_b = info->sbit_a = 0; LodePNGUnknownChunks_init(info); #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } void lodepng_info_cleanup(LodePNGInfo* info) { lodepng_color_mode_cleanup(&info->color); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS LodePNGText_cleanup(info); LodePNGIText_cleanup(info); lodepng_clear_icc(info); LodePNGUnknownChunks_cleanup(info); #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } unsigned lodepng_info_copy(LodePNGInfo* dest, const LodePNGInfo* source) { lodepng_info_cleanup(dest); lodepng_memcpy(dest, source, sizeof(LodePNGInfo)); lodepng_color_mode_init(&dest->color); CERROR_TRY_RETURN(lodepng_color_mode_copy(&dest->color, &source->color)); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS CERROR_TRY_RETURN(LodePNGText_copy(dest, source)); CERROR_TRY_RETURN(LodePNGIText_copy(dest, source)); if(source->iccp_defined) { CERROR_TRY_RETURN(lodepng_assign_icc(dest, source->iccp_name, source->iccp_profile, source->iccp_profile_size)); } LodePNGUnknownChunks_init(dest); CERROR_TRY_RETURN(LodePNGUnknownChunks_copy(dest, source)); #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ return 0; } /* ////////////////////////////////////////////////////////////////////////// */ /*index: bitgroup index, bits: bitgroup size(1, 2 or 4), in: bitgroup value, out: octet array to add bits to*/ static void addColorBits(unsigned char* out, size_t index, unsigned bits, unsigned in) { unsigned m = bits == 1 ? 7 : bits == 2 ? 3 : 1; /*8 / bits - 1*/ /*p = the partial index in the byte, e.g. with 4 palettebits it is 0 for first half or 1 for second half*/ unsigned p = index & m; in &= (1u << bits) - 1u; /*filter out any other bits of the input value*/ in = in << (bits * (m - p)); if(p == 0) out[index * bits / 8u] = in; else out[index * bits / 8u] |= in; } typedef struct ColorTree ColorTree; /* One node of a color tree This is the data structure used to count the number of unique colors and to get a palette index for a color. It's like an octree, but because the alpha channel is used too, each node has 16 instead of 8 children. */ struct ColorTree { ColorTree* children[16]; /*up to 16 pointers to ColorTree of next level*/ int index; /*the payload. Only has a meaningful value if this is in the last level*/ }; static void color_tree_init(ColorTree* tree) { lodepng_memset(tree->children, 0, 16 * sizeof(*tree->children)); tree->index = -1; } static void color_tree_cleanup(ColorTree* tree) { int i; for(i = 0; i != 16; ++i) { if(tree->children[i]) { color_tree_cleanup(tree->children[i]); lodepng_free(tree->children[i]); } } } /*returns -1 if color not present, its index otherwise*/ static int color_tree_get(ColorTree* tree, unsigned char r, unsigned char g, unsigned char b, unsigned char a) { int bit = 0; for(bit = 0; bit < 8; ++bit) { int i = 8 * ((r >> bit) & 1) + 4 * ((g >> bit) & 1) + 2 * ((b >> bit) & 1) + 1 * ((a >> bit) & 1); if(!tree->children[i]) return -1; else tree = tree->children[i]; } return tree ? tree->index : -1; } #ifdef LODEPNG_COMPILE_ENCODER static int color_tree_has(ColorTree* tree, unsigned char r, unsigned char g, unsigned char b, unsigned char a) { return color_tree_get(tree, r, g, b, a) >= 0; } #endif /*LODEPNG_COMPILE_ENCODER*/ /*color is not allowed to already exist. Index should be >= 0 (it's signed to be compatible with using -1 for "doesn't exist") Returns error code, or 0 if ok*/ static unsigned color_tree_add(ColorTree* tree, unsigned char r, unsigned char g, unsigned char b, unsigned char a, unsigned index) { int bit; for(bit = 0; bit < 8; ++bit) { int i = 8 * ((r >> bit) & 1) + 4 * ((g >> bit) & 1) + 2 * ((b >> bit) & 1) + 1 * ((a >> bit) & 1); if(!tree->children[i]) { tree->children[i] = (ColorTree*)lodepng_malloc(sizeof(ColorTree)); if(!tree->children[i]) return 83; /*alloc fail*/ color_tree_init(tree->children[i]); } tree = tree->children[i]; } tree->index = (int)index; return 0; } /*put a pixel, given its RGBA color, into image of any color type*/ static unsigned rgba8ToPixel(unsigned char* out, size_t i, const LodePNGColorMode* mode, ColorTree* tree /*for palette*/, unsigned char r, unsigned char g, unsigned char b, unsigned char a) { if(mode->colortype == LCT_GREY) { unsigned char gray = r; /*((unsigned short)r + g + b) / 3u;*/ if(mode->bitdepth == 8) out[i] = gray; else if(mode->bitdepth == 16) out[i * 2 + 0] = out[i * 2 + 1] = gray; else { /*take the most significant bits of gray*/ gray = ((unsigned)gray >> (8u - mode->bitdepth)) & ((1u << mode->bitdepth) - 1u); addColorBits(out, i, mode->bitdepth, gray); } } else if(mode->colortype == LCT_RGB) { if(mode->bitdepth == 8) { out[i * 3 + 0] = r; out[i * 3 + 1] = g; out[i * 3 + 2] = b; } else { out[i * 6 + 0] = out[i * 6 + 1] = r; out[i * 6 + 2] = out[i * 6 + 3] = g; out[i * 6 + 4] = out[i * 6 + 5] = b; } } else if(mode->colortype == LCT_PALETTE) { int index = color_tree_get(tree, r, g, b, a); if(index < 0) return 82; /*color not in palette*/ if(mode->bitdepth == 8) out[i] = index; else addColorBits(out, i, mode->bitdepth, (unsigned)index); } else if(mode->colortype == LCT_GREY_ALPHA) { unsigned char gray = r; /*((unsigned short)r + g + b) / 3u;*/ if(mode->bitdepth == 8) { out[i * 2 + 0] = gray; out[i * 2 + 1] = a; } else if(mode->bitdepth == 16) { out[i * 4 + 0] = out[i * 4 + 1] = gray; out[i * 4 + 2] = out[i * 4 + 3] = a; } } else if(mode->colortype == LCT_RGBA) { if(mode->bitdepth == 8) { out[i * 4 + 0] = r; out[i * 4 + 1] = g; out[i * 4 + 2] = b; out[i * 4 + 3] = a; } else { out[i * 8 + 0] = out[i * 8 + 1] = r; out[i * 8 + 2] = out[i * 8 + 3] = g; out[i * 8 + 4] = out[i * 8 + 5] = b; out[i * 8 + 6] = out[i * 8 + 7] = a; } } return 0; /*no error*/ } /*put a pixel, given its RGBA16 color, into image of any color 16-bitdepth type*/ static void rgba16ToPixel(unsigned char* out, size_t i, const LodePNGColorMode* mode, unsigned short r, unsigned short g, unsigned short b, unsigned short a) { if(mode->colortype == LCT_GREY) { unsigned short gray = r; /*((unsigned)r + g + b) / 3u;*/ out[i * 2 + 0] = (gray >> 8) & 255; out[i * 2 + 1] = gray & 255; } else if(mode->colortype == LCT_RGB) { out[i * 6 + 0] = (r >> 8) & 255; out[i * 6 + 1] = r & 255; out[i * 6 + 2] = (g >> 8) & 255; out[i * 6 + 3] = g & 255; out[i * 6 + 4] = (b >> 8) & 255; out[i * 6 + 5] = b & 255; } else if(mode->colortype == LCT_GREY_ALPHA) { unsigned short gray = r; /*((unsigned)r + g + b) / 3u;*/ out[i * 4 + 0] = (gray >> 8) & 255; out[i * 4 + 1] = gray & 255; out[i * 4 + 2] = (a >> 8) & 255; out[i * 4 + 3] = a & 255; } else if(mode->colortype == LCT_RGBA) { out[i * 8 + 0] = (r >> 8) & 255; out[i * 8 + 1] = r & 255; out[i * 8 + 2] = (g >> 8) & 255; out[i * 8 + 3] = g & 255; out[i * 8 + 4] = (b >> 8) & 255; out[i * 8 + 5] = b & 255; out[i * 8 + 6] = (a >> 8) & 255; out[i * 8 + 7] = a & 255; } } /*Get RGBA8 color of pixel with index i (y * width + x) from the raw image with given color type.*/ static void getPixelColorRGBA8(unsigned char* r, unsigned char* g, unsigned char* b, unsigned char* a, const unsigned char* in, size_t i, const LodePNGColorMode* mode) { if(mode->colortype == LCT_GREY) { if(mode->bitdepth == 8) { *r = *g = *b = in[i]; if(mode->key_defined && *r == mode->key_r) *a = 0; else *a = 255; } else if(mode->bitdepth == 16) { *r = *g = *b = in[i * 2 + 0]; if(mode->key_defined && 256U * in[i * 2 + 0] + in[i * 2 + 1] == mode->key_r) *a = 0; else *a = 255; } else { unsigned highest = ((1U << mode->bitdepth) - 1U); /*highest possible value for this bit depth*/ size_t j = i * mode->bitdepth; unsigned value = readBitsFromReversedStream(&j, in, mode->bitdepth); *r = *g = *b = (value * 255) / highest; if(mode->key_defined && value == mode->key_r) *a = 0; else *a = 255; } } else if(mode->colortype == LCT_RGB) { if(mode->bitdepth == 8) { *r = in[i * 3 + 0]; *g = in[i * 3 + 1]; *b = in[i * 3 + 2]; if(mode->key_defined && *r == mode->key_r && *g == mode->key_g && *b == mode->key_b) *a = 0; else *a = 255; } else { *r = in[i * 6 + 0]; *g = in[i * 6 + 2]; *b = in[i * 6 + 4]; if(mode->key_defined && 256U * in[i * 6 + 0] + in[i * 6 + 1] == mode->key_r && 256U * in[i * 6 + 2] + in[i * 6 + 3] == mode->key_g && 256U * in[i * 6 + 4] + in[i * 6 + 5] == mode->key_b) *a = 0; else *a = 255; } } else if(mode->colortype == LCT_PALETTE) { unsigned index; if(mode->bitdepth == 8) index = in[i]; else { size_t j = i * mode->bitdepth; index = readBitsFromReversedStream(&j, in, mode->bitdepth); } /*out of bounds of palette not checked: see lodepng_color_mode_alloc_palette.*/ *r = mode->palette[index * 4 + 0]; *g = mode->palette[index * 4 + 1]; *b = mode->palette[index * 4 + 2]; *a = mode->palette[index * 4 + 3]; } else if(mode->colortype == LCT_GREY_ALPHA) { if(mode->bitdepth == 8) { *r = *g = *b = in[i * 2 + 0]; *a = in[i * 2 + 1]; } else { *r = *g = *b = in[i * 4 + 0]; *a = in[i * 4 + 2]; } } else if(mode->colortype == LCT_RGBA) { if(mode->bitdepth == 8) { *r = in[i * 4 + 0]; *g = in[i * 4 + 1]; *b = in[i * 4 + 2]; *a = in[i * 4 + 3]; } else { *r = in[i * 8 + 0]; *g = in[i * 8 + 2]; *b = in[i * 8 + 4]; *a = in[i * 8 + 6]; } } } /*Similar to getPixelColorRGBA8, but with all the for loops inside of the color mode test cases, optimized to convert the colors much faster, when converting to the common case of RGBA with 8 bit per channel. buffer must be RGBA with enough memory.*/ static void getPixelColorsRGBA8(unsigned char* LODEPNG_RESTRICT buffer, size_t numpixels, const unsigned char* LODEPNG_RESTRICT in, const LodePNGColorMode* mode) { unsigned num_channels = 4; size_t i; if(mode->colortype == LCT_GREY) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i]; buffer[3] = 255; } if(mode->key_defined) { buffer -= numpixels * num_channels; for(i = 0; i != numpixels; ++i, buffer += num_channels) { if(buffer[0] == mode->key_r) buffer[3] = 0; } } } else if(mode->bitdepth == 16) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i * 2]; buffer[3] = mode->key_defined && 256U * in[i * 2 + 0] + in[i * 2 + 1] == mode->key_r ? 0 : 255; } } else { unsigned highest = ((1U << mode->bitdepth) - 1U); /*highest possible value for this bit depth*/ size_t j = 0; for(i = 0; i != numpixels; ++i, buffer += num_channels) { unsigned value = readBitsFromReversedStream(&j, in, mode->bitdepth); buffer[0] = buffer[1] = buffer[2] = (value * 255) / highest; buffer[3] = mode->key_defined && value == mode->key_r ? 0 : 255; } } } else if(mode->colortype == LCT_RGB) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { lodepng_memcpy(buffer, &in[i * 3], 3); buffer[3] = 255; } if(mode->key_defined) { buffer -= numpixels * num_channels; for(i = 0; i != numpixels; ++i, buffer += num_channels) { if(buffer[0] == mode->key_r && buffer[1]== mode->key_g && buffer[2] == mode->key_b) buffer[3] = 0; } } } else { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = in[i * 6 + 0]; buffer[1] = in[i * 6 + 2]; buffer[2] = in[i * 6 + 4]; buffer[3] = mode->key_defined && 256U * in[i * 6 + 0] + in[i * 6 + 1] == mode->key_r && 256U * in[i * 6 + 2] + in[i * 6 + 3] == mode->key_g && 256U * in[i * 6 + 4] + in[i * 6 + 5] == mode->key_b ? 0 : 255; } } } else if(mode->colortype == LCT_PALETTE) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { unsigned index = in[i]; /*out of bounds of palette not checked: see lodepng_color_mode_alloc_palette.*/ lodepng_memcpy(buffer, &mode->palette[index * 4], 4); } } else { size_t j = 0; for(i = 0; i != numpixels; ++i, buffer += num_channels) { unsigned index = readBitsFromReversedStream(&j, in, mode->bitdepth); /*out of bounds of palette not checked: see lodepng_color_mode_alloc_palette.*/ lodepng_memcpy(buffer, &mode->palette[index * 4], 4); } } } else if(mode->colortype == LCT_GREY_ALPHA) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i * 2 + 0]; buffer[3] = in[i * 2 + 1]; } } else { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i * 4 + 0]; buffer[3] = in[i * 4 + 2]; } } } else if(mode->colortype == LCT_RGBA) { if(mode->bitdepth == 8) { lodepng_memcpy(buffer, in, numpixels * 4); } else { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = in[i * 8 + 0]; buffer[1] = in[i * 8 + 2]; buffer[2] = in[i * 8 + 4]; buffer[3] = in[i * 8 + 6]; } } } } /*Similar to getPixelColorsRGBA8, but with 3-channel RGB output.*/ static void getPixelColorsRGB8(unsigned char* LODEPNG_RESTRICT buffer, size_t numpixels, const unsigned char* LODEPNG_RESTRICT in, const LodePNGColorMode* mode) { const unsigned num_channels = 3; size_t i; if(mode->colortype == LCT_GREY) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i]; } } else if(mode->bitdepth == 16) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i * 2]; } } else { unsigned highest = ((1U << mode->bitdepth) - 1U); /*highest possible value for this bit depth*/ size_t j = 0; for(i = 0; i != numpixels; ++i, buffer += num_channels) { unsigned value = readBitsFromReversedStream(&j, in, mode->bitdepth); buffer[0] = buffer[1] = buffer[2] = (value * 255) / highest; } } } else if(mode->colortype == LCT_RGB) { if(mode->bitdepth == 8) { lodepng_memcpy(buffer, in, numpixels * 3); } else { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = in[i * 6 + 0]; buffer[1] = in[i * 6 + 2]; buffer[2] = in[i * 6 + 4]; } } } else if(mode->colortype == LCT_PALETTE) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { unsigned index = in[i]; /*out of bounds of palette not checked: see lodepng_color_mode_alloc_palette.*/ lodepng_memcpy(buffer, &mode->palette[index * 4], 3); } } else { size_t j = 0; for(i = 0; i != numpixels; ++i, buffer += num_channels) { unsigned index = readBitsFromReversedStream(&j, in, mode->bitdepth); /*out of bounds of palette not checked: see lodepng_color_mode_alloc_palette.*/ lodepng_memcpy(buffer, &mode->palette[index * 4], 3); } } } else if(mode->colortype == LCT_GREY_ALPHA) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i * 2 + 0]; } } else { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = buffer[1] = buffer[2] = in[i * 4 + 0]; } } } else if(mode->colortype == LCT_RGBA) { if(mode->bitdepth == 8) { for(i = 0; i != numpixels; ++i, buffer += num_channels) { lodepng_memcpy(buffer, &in[i * 4], 3); } } else { for(i = 0; i != numpixels; ++i, buffer += num_channels) { buffer[0] = in[i * 8 + 0]; buffer[1] = in[i * 8 + 2]; buffer[2] = in[i * 8 + 4]; } } } } /*Get RGBA16 color of pixel with index i (y * width + x) from the raw image with given color type, but the given color type must be 16-bit itself.*/ static void getPixelColorRGBA16(unsigned short* r, unsigned short* g, unsigned short* b, unsigned short* a, const unsigned char* in, size_t i, const LodePNGColorMode* mode) { if(mode->colortype == LCT_GREY) { *r = *g = *b = 256 * in[i * 2 + 0] + in[i * 2 + 1]; if(mode->key_defined && 256U * in[i * 2 + 0] + in[i * 2 + 1] == mode->key_r) *a = 0; else *a = 65535; } else if(mode->colortype == LCT_RGB) { *r = 256u * in[i * 6 + 0] + in[i * 6 + 1]; *g = 256u * in[i * 6 + 2] + in[i * 6 + 3]; *b = 256u * in[i * 6 + 4] + in[i * 6 + 5]; if(mode->key_defined && 256u * in[i * 6 + 0] + in[i * 6 + 1] == mode->key_r && 256u * in[i * 6 + 2] + in[i * 6 + 3] == mode->key_g && 256u * in[i * 6 + 4] + in[i * 6 + 5] == mode->key_b) *a = 0; else *a = 65535; } else if(mode->colortype == LCT_GREY_ALPHA) { *r = *g = *b = 256u * in[i * 4 + 0] + in[i * 4 + 1]; *a = 256u * in[i * 4 + 2] + in[i * 4 + 3]; } else if(mode->colortype == LCT_RGBA) { *r = 256u * in[i * 8 + 0] + in[i * 8 + 1]; *g = 256u * in[i * 8 + 2] + in[i * 8 + 3]; *b = 256u * in[i * 8 + 4] + in[i * 8 + 5]; *a = 256u * in[i * 8 + 6] + in[i * 8 + 7]; } } unsigned lodepng_convert(unsigned char* out, const unsigned char* in, const LodePNGColorMode* mode_out, const LodePNGColorMode* mode_in, unsigned w, unsigned h) { size_t i; ColorTree tree; size_t numpixels = (size_t)w * (size_t)h; unsigned error = 0; if(mode_in->colortype == LCT_PALETTE && !mode_in->palette) { return 107; /* error: must provide palette if input mode is palette */ } if(lodepng_color_mode_equal(mode_out, mode_in)) { size_t numbytes = lodepng_get_raw_size(w, h, mode_in); lodepng_memcpy(out, in, numbytes); return 0; } if(mode_out->colortype == LCT_PALETTE) { size_t palettesize = mode_out->palettesize; const unsigned char* palette = mode_out->palette; size_t palsize = (size_t)1u << mode_out->bitdepth; /*if the user specified output palette but did not give the values, assume they want the values of the input color type (assuming that one is palette). Note that we never create a new palette ourselves.*/ if(palettesize == 0) { palettesize = mode_in->palettesize; palette = mode_in->palette; /*if the input was also palette with same bitdepth, then the color types are also equal, so copy literally. This to preserve the exact indices that were in the PNG even in case there are duplicate colors in the palette.*/ if(mode_in->colortype == LCT_PALETTE && mode_in->bitdepth == mode_out->bitdepth) { size_t numbytes = lodepng_get_raw_size(w, h, mode_in); lodepng_memcpy(out, in, numbytes); return 0; } } if(palettesize < palsize) palsize = palettesize; color_tree_init(&tree); for(i = 0; i != palsize; ++i) { const unsigned char* p = &palette[i * 4]; error = color_tree_add(&tree, p[0], p[1], p[2], p[3], (unsigned)i); if(error) break; } } if(!error) { if(mode_in->bitdepth == 16 && mode_out->bitdepth == 16) { for(i = 0; i != numpixels; ++i) { unsigned short r = 0, g = 0, b = 0, a = 0; getPixelColorRGBA16(&r, &g, &b, &a, in, i, mode_in); rgba16ToPixel(out, i, mode_out, r, g, b, a); } } else if(mode_out->bitdepth == 8 && mode_out->colortype == LCT_RGBA) { getPixelColorsRGBA8(out, numpixels, in, mode_in); } else if(mode_out->bitdepth == 8 && mode_out->colortype == LCT_RGB) { getPixelColorsRGB8(out, numpixels, in, mode_in); } else { unsigned char r = 0, g = 0, b = 0, a = 0; for(i = 0; i != numpixels; ++i) { getPixelColorRGBA8(&r, &g, &b, &a, in, i, mode_in); error = rgba8ToPixel(out, i, mode_out, &tree, r, g, b, a); if(error) break; } } } if(mode_out->colortype == LCT_PALETTE) { color_tree_cleanup(&tree); } return error; } /* Converts a single rgb color without alpha from one type to another, color bits truncated to their bitdepth. In case of single channel (gray or palette), only the r channel is used. Slow function, do not use to process all pixels of an image. Alpha channel not supported on purpose: this is for bKGD, supporting alpha may prevent it from finding a color in the palette, from the specification it looks like bKGD should ignore the alpha values of the palette since it can use any palette index but doesn't have an alpha channel. Idem with ignoring color key. */ unsigned lodepng_convert_rgb( unsigned* r_out, unsigned* g_out, unsigned* b_out, unsigned r_in, unsigned g_in, unsigned b_in, const LodePNGColorMode* mode_out, const LodePNGColorMode* mode_in) { unsigned r = 0, g = 0, b = 0; unsigned mul = 65535 / ((1u << mode_in->bitdepth) - 1u); /*65535, 21845, 4369, 257, 1*/ unsigned shift = 16 - mode_out->bitdepth; if(mode_in->colortype == LCT_GREY || mode_in->colortype == LCT_GREY_ALPHA) { r = g = b = r_in * mul; } else if(mode_in->colortype == LCT_RGB || mode_in->colortype == LCT_RGBA) { r = r_in * mul; g = g_in * mul; b = b_in * mul; } else if(mode_in->colortype == LCT_PALETTE) { if(r_in >= mode_in->palettesize) return 82; r = mode_in->palette[r_in * 4 + 0] * 257u; g = mode_in->palette[r_in * 4 + 1] * 257u; b = mode_in->palette[r_in * 4 + 2] * 257u; } else { return 31; } /* now convert to output format */ if(mode_out->colortype == LCT_GREY || mode_out->colortype == LCT_GREY_ALPHA) { *r_out = r >> shift ; } else if(mode_out->colortype == LCT_RGB || mode_out->colortype == LCT_RGBA) { *r_out = r >> shift ; *g_out = g >> shift ; *b_out = b >> shift ; } else if(mode_out->colortype == LCT_PALETTE) { unsigned i; /* a 16-bit color cannot be in the palette */ if((r >> 8) != (r & 255) || (g >> 8) != (g & 255) || (b >> 8) != (b & 255)) return 82; for(i = 0; i < mode_out->palettesize; i++) { unsigned j = i * 4; if((r >> 8) == mode_out->palette[j + 0] && (g >> 8) == mode_out->palette[j + 1] && (b >> 8) == mode_out->palette[j + 2]) { *r_out = i; return 0; } } return 82; } else { return 31; } return 0; } #ifdef LODEPNG_COMPILE_ENCODER void lodepng_color_stats_init(LodePNGColorStats* stats) { /*stats*/ stats->colored = 0; stats->key = 0; stats->key_r = stats->key_g = stats->key_b = 0; stats->alpha = 0; stats->numcolors = 0; stats->bits = 1; stats->numpixels = 0; /*settings*/ stats->allow_palette = 1; stats->allow_greyscale = 1; } /*function used for debug purposes with C++*/ /*void printColorStats(LodePNGColorStats* p) { std::cout << "colored: " << (int)p->colored << ", "; std::cout << "key: " << (int)p->key << ", "; std::cout << "key_r: " << (int)p->key_r << ", "; std::cout << "key_g: " << (int)p->key_g << ", "; std::cout << "key_b: " << (int)p->key_b << ", "; std::cout << "alpha: " << (int)p->alpha << ", "; std::cout << "numcolors: " << (int)p->numcolors << ", "; std::cout << "bits: " << (int)p->bits << std::endl; }*/ /*Returns how many bits needed to represent given value (max 8 bit)*/ static unsigned getValueRequiredBits(unsigned char value) { if(value == 0 || value == 255) return 1; /*The scaling of 2-bit and 4-bit values uses multiples of 85 and 17*/ if(value % 17 == 0) return value % 85 == 0 ? 2 : 4; return 8; } /*stats must already have been inited. */ unsigned lodepng_compute_color_stats(LodePNGColorStats* stats, const unsigned char* in, unsigned w, unsigned h, const LodePNGColorMode* mode_in) { size_t i; ColorTree tree; size_t numpixels = (size_t)w * (size_t)h; unsigned error = 0; /* mark things as done already if it would be impossible to have a more expensive case */ unsigned colored_done = lodepng_is_greyscale_type(mode_in) ? 1 : 0; unsigned alpha_done = lodepng_can_have_alpha(mode_in) ? 0 : 1; unsigned numcolors_done = 0; unsigned bpp = lodepng_get_bpp(mode_in); unsigned bits_done = (stats->bits == 1 && bpp == 1) ? 1 : 0; unsigned sixteen = 0; /* whether the input image is 16 bit */ unsigned maxnumcolors = 257; if(bpp <= 8) maxnumcolors = LODEPNG_MIN(257, stats->numcolors + (1u << bpp)); stats->numpixels += numpixels; /*if palette not allowed, no need to compute numcolors*/ if(!stats->allow_palette) numcolors_done = 1; color_tree_init(&tree); /*If the stats was already filled in from previous data, fill its palette in tree and mark things as done already if we know they are the most expensive case already*/ if(stats->alpha) alpha_done = 1; if(stats->colored) colored_done = 1; if(stats->bits == 16) numcolors_done = 1; if(stats->bits >= bpp) bits_done = 1; if(stats->numcolors >= maxnumcolors) numcolors_done = 1; if(!numcolors_done) { for(i = 0; i < stats->numcolors; i++) { const unsigned char* color = &stats->palette[i * 4]; error = color_tree_add(&tree, color[0], color[1], color[2], color[3], i); if(error) goto cleanup; } } /*Check if the 16-bit input is truly 16-bit*/ if(mode_in->bitdepth == 16 && !sixteen) { unsigned short r = 0, g = 0, b = 0, a = 0; for(i = 0; i != numpixels; ++i) { getPixelColorRGBA16(&r, &g, &b, &a, in, i, mode_in); if((r & 255) != ((r >> 8) & 255) || (g & 255) != ((g >> 8) & 255) || (b & 255) != ((b >> 8) & 255) || (a & 255) != ((a >> 8) & 255)) /*first and second byte differ*/ { stats->bits = 16; sixteen = 1; bits_done = 1; numcolors_done = 1; /*counting colors no longer useful, palette doesn't support 16-bit*/ break; } } } if(sixteen) { unsigned short r = 0, g = 0, b = 0, a = 0; for(i = 0; i != numpixels; ++i) { getPixelColorRGBA16(&r, &g, &b, &a, in, i, mode_in); if(!colored_done && (r != g || r != b)) { stats->colored = 1; colored_done = 1; } if(!alpha_done) { unsigned matchkey = (r == stats->key_r && g == stats->key_g && b == stats->key_b); if(a != 65535 && (a != 0 || (stats->key && !matchkey))) { stats->alpha = 1; stats->key = 0; alpha_done = 1; } else if(a == 0 && !stats->alpha && !stats->key) { stats->key = 1; stats->key_r = r; stats->key_g = g; stats->key_b = b; } else if(a == 65535 && stats->key && matchkey) { /* Color key cannot be used if an opaque pixel also has that RGB color. */ stats->alpha = 1; stats->key = 0; alpha_done = 1; } } if(alpha_done && numcolors_done && colored_done && bits_done) break; } if(stats->key && !stats->alpha) { for(i = 0; i != numpixels; ++i) { getPixelColorRGBA16(&r, &g, &b, &a, in, i, mode_in); if(a != 0 && r == stats->key_r && g == stats->key_g && b == stats->key_b) { /* Color key cannot be used if an opaque pixel also has that RGB color. */ stats->alpha = 1; stats->key = 0; alpha_done = 1; } } } } else /* < 16-bit */ { unsigned char r = 0, g = 0, b = 0, a = 0; for(i = 0; i != numpixels; ++i) { getPixelColorRGBA8(&r, &g, &b, &a, in, i, mode_in); if(!bits_done && stats->bits < 8) { /*only r is checked, < 8 bits is only relevant for grayscale*/ unsigned bits = getValueRequiredBits(r); if(bits > stats->bits) stats->bits = bits; } bits_done = (stats->bits >= bpp); if(!colored_done && (r != g || r != b)) { stats->colored = 1; colored_done = 1; if(stats->bits < 8) stats->bits = 8; /*PNG has no colored modes with less than 8-bit per channel*/ } if(!alpha_done) { unsigned matchkey = (r == stats->key_r && g == stats->key_g && b == stats->key_b); if(a != 255 && (a != 0 || (stats->key && !matchkey))) { stats->alpha = 1; stats->key = 0; alpha_done = 1; if(stats->bits < 8) stats->bits = 8; /*PNG has no alphachannel modes with less than 8-bit per channel*/ } else if(a == 0 && !stats->alpha && !stats->key) { stats->key = 1; stats->key_r = r; stats->key_g = g; stats->key_b = b; } else if(a == 255 && stats->key && matchkey) { /* Color key cannot be used if an opaque pixel also has that RGB color. */ stats->alpha = 1; stats->key = 0; alpha_done = 1; if(stats->bits < 8) stats->bits = 8; /*PNG has no alphachannel modes with less than 8-bit per channel*/ } } if(!numcolors_done) { if(!color_tree_has(&tree, r, g, b, a)) { error = color_tree_add(&tree, r, g, b, a, stats->numcolors); if(error) goto cleanup; if(stats->numcolors < 256) { unsigned char* p = stats->palette; unsigned n = stats->numcolors; p[n * 4 + 0] = r; p[n * 4 + 1] = g; p[n * 4 + 2] = b; p[n * 4 + 3] = a; } ++stats->numcolors; numcolors_done = stats->numcolors >= maxnumcolors; } } if(alpha_done && numcolors_done && colored_done && bits_done) break; } if(stats->key && !stats->alpha) { for(i = 0; i != numpixels; ++i) { getPixelColorRGBA8(&r, &g, &b, &a, in, i, mode_in); if(a != 0 && r == stats->key_r && g == stats->key_g && b == stats->key_b) { /* Color key cannot be used if an opaque pixel also has that RGB color. */ stats->alpha = 1; stats->key = 0; alpha_done = 1; if(stats->bits < 8) stats->bits = 8; /*PNG has no alphachannel modes with less than 8-bit per channel*/ } } } /*make the stats's key always 16-bit for consistency - repeat each byte twice*/ stats->key_r += (stats->key_r << 8); stats->key_g += (stats->key_g << 8); stats->key_b += (stats->key_b << 8); } cleanup: color_tree_cleanup(&tree); return error; } #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*Adds a single color to the color stats. The stats must already have been inited. The color must be given as 16-bit (with 2 bytes repeating for 8-bit and 65535 for opaque alpha channel). This function is expensive, do not call it for all pixels of an image but only for a few additional values. */ static unsigned lodepng_color_stats_add(LodePNGColorStats* stats, unsigned r, unsigned g, unsigned b, unsigned a) { unsigned error = 0; unsigned char image[8]; LodePNGColorMode mode; lodepng_color_mode_init(&mode); image[0] = r >> 8; image[1] = r; image[2] = g >> 8; image[3] = g; image[4] = b >> 8; image[5] = b; image[6] = a >> 8; image[7] = a; mode.bitdepth = 16; mode.colortype = LCT_RGBA; error = lodepng_compute_color_stats(stats, image, 1, 1, &mode); lodepng_color_mode_cleanup(&mode); return error; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /*Computes a minimal PNG color model that can contain all colors as indicated by the stats. The stats should be computed with lodepng_compute_color_stats. mode_in is raw color profile of the image the stats were computed on, to copy palette order from when relevant. Minimal PNG color model means the color type and bit depth that gives smallest amount of bits in the output image, e.g. gray if only grayscale pixels, palette if less than 256 colors, color key if only single transparent color, ... This is used if auto_convert is enabled (it is by default). */ static unsigned auto_choose_color(LodePNGColorMode* mode_out, const LodePNGColorMode* mode_in, const LodePNGColorStats* stats) { unsigned error = 0; unsigned palettebits; size_t i, n; size_t numpixels = stats->numpixels; unsigned palette_ok, gray_ok; unsigned alpha = stats->alpha; unsigned key = stats->key; unsigned bits = stats->bits; mode_out->key_defined = 0; if(key && numpixels <= 16) { alpha = 1; /*too few pixels to justify tRNS chunk overhead*/ key = 0; if(bits < 8) bits = 8; /*PNG has no alphachannel modes with less than 8-bit per channel*/ } gray_ok = !stats->colored; if(!stats->allow_greyscale) gray_ok = 0; if(!gray_ok && bits < 8) bits = 8; n = stats->numcolors; palettebits = n <= 2 ? 1 : (n <= 4 ? 2 : (n <= 16 ? 4 : 8)); palette_ok = n <= 256 && bits <= 8 && n != 0; /*n==0 means likely numcolors wasn't computed*/ if(numpixels < n * 2) palette_ok = 0; /*don't add palette overhead if image has only a few pixels*/ if(gray_ok && !alpha && bits <= palettebits) palette_ok = 0; /*gray is less overhead*/ if(!stats->allow_palette) palette_ok = 0; if(palette_ok) { const unsigned char* p = stats->palette; lodepng_palette_clear(mode_out); /*remove potential earlier palette*/ for(i = 0; i != stats->numcolors; ++i) { error = lodepng_palette_add(mode_out, p[i * 4 + 0], p[i * 4 + 1], p[i * 4 + 2], p[i * 4 + 3]); if(error) break; } mode_out->colortype = LCT_PALETTE; mode_out->bitdepth = palettebits; if(mode_in->colortype == LCT_PALETTE && mode_in->palettesize >= mode_out->palettesize && mode_in->bitdepth == mode_out->bitdepth) { /*If input should have same palette colors, keep original to preserve its order and prevent conversion*/ lodepng_color_mode_cleanup(mode_out); /*clears palette, keeps the above set colortype and bitdepth fields as-is*/ lodepng_color_mode_copy(mode_out, mode_in); } } else /*8-bit or 16-bit per channel*/ { mode_out->bitdepth = bits; mode_out->colortype = alpha ? (gray_ok ? LCT_GREY_ALPHA : LCT_RGBA) : (gray_ok ? LCT_GREY : LCT_RGB); if(key) { unsigned mask = (1u << mode_out->bitdepth) - 1u; /*stats always uses 16-bit, mask converts it*/ mode_out->key_r = stats->key_r & mask; mode_out->key_g = stats->key_g & mask; mode_out->key_b = stats->key_b & mask; mode_out->key_defined = 1; } } return error; } #endif /* #ifdef LODEPNG_COMPILE_ENCODER */ /* Paeth predictor, used by PNG filter type 4 The parameters are of type short, but should come from unsigned chars, the shorts are only needed to make the paeth calculation correct. */ static unsigned char paethPredictor(short a, short b, short c) { short pa = LODEPNG_ABS(b - c); short pb = LODEPNG_ABS(a - c); short pc = LODEPNG_ABS(a + b - c - c); /* return input value associated with smallest of pa, pb, pc (with certain priority if equal) */ if(pb < pa) { a = b; pa = pb; } return (pc < pa) ? c : a; } /*shared values used by multiple Adam7 related functions*/ static const unsigned ADAM7_IX[7] = { 0, 4, 0, 2, 0, 1, 0 }; /*x start values*/ static const unsigned ADAM7_IY[7] = { 0, 0, 4, 0, 2, 0, 1 }; /*y start values*/ static const unsigned ADAM7_DX[7] = { 8, 8, 4, 4, 2, 2, 1 }; /*x delta values*/ static const unsigned ADAM7_DY[7] = { 8, 8, 8, 4, 4, 2, 2 }; /*y delta values*/ /* Outputs various dimensions and positions in the image related to the Adam7 reduced images. passw: output containing the width of the 7 passes passh: output containing the height of the 7 passes filter_passstart: output containing the index of the start and end of each reduced image with filter bytes padded_passstart output containing the index of the start and end of each reduced image when without filter bytes but with padded scanlines passstart: output containing the index of the start and end of each reduced image without padding between scanlines, but still padding between the images w, h: width and height of non-interlaced image bpp: bits per pixel "padded" is only relevant if bpp is less than 8 and a scanline or image does not end at a full byte */ static void Adam7_getpassvalues(unsigned passw[7], unsigned passh[7], size_t filter_passstart[8], size_t padded_passstart[8], size_t passstart[8], unsigned w, unsigned h, unsigned bpp) { /*the passstart values have 8 values: the 8th one indicates the byte after the end of the 7th (= last) pass*/ unsigned i; /*calculate width and height in pixels of each pass*/ for(i = 0; i != 7; ++i) { passw[i] = (w + ADAM7_DX[i] - ADAM7_IX[i] - 1) / ADAM7_DX[i]; passh[i] = (h + ADAM7_DY[i] - ADAM7_IY[i] - 1) / ADAM7_DY[i]; if(passw[i] == 0) passh[i] = 0; if(passh[i] == 0) passw[i] = 0; } filter_passstart[0] = padded_passstart[0] = passstart[0] = 0; for(i = 0; i != 7; ++i) { /*if passw[i] is 0, it's 0 bytes, not 1 (no filtertype-byte)*/ filter_passstart[i + 1] = filter_passstart[i] + ((passw[i] && passh[i]) ? passh[i] * (1u + (passw[i] * bpp + 7u) / 8u) : 0); /*bits padded if needed to fill full byte at end of each scanline*/ padded_passstart[i + 1] = padded_passstart[i] + passh[i] * ((passw[i] * bpp + 7u) / 8u); /*only padded at end of reduced image*/ passstart[i + 1] = passstart[i] + (passh[i] * passw[i] * bpp + 7u) / 8u; } } #ifdef LODEPNG_COMPILE_DECODER /* ////////////////////////////////////////////////////////////////////////// */ /* / PNG Decoder / */ /* ////////////////////////////////////////////////////////////////////////// */ /*read the information from the header and store it in the LodePNGInfo. return value is error*/ unsigned lodepng_inspect(unsigned* w, unsigned* h, LodePNGState* state, const unsigned char* in, size_t insize) { unsigned width, height; LodePNGInfo* info = &state->info_png; if(insize == 0 || in == 0) { CERROR_RETURN_ERROR(state->error, 48); /*error: the given data is empty*/ } if(insize < 33) { CERROR_RETURN_ERROR(state->error, 27); /*error: the data length is smaller than the length of a PNG header*/ } /*when decoding a new PNG image, make sure all parameters created after previous decoding are reset*/ /* TODO: remove this. One should use a new LodePNGState for new sessions */ lodepng_info_cleanup(info); lodepng_info_init(info); if(in[0] != 137 || in[1] != 80 || in[2] != 78 || in[3] != 71 || in[4] != 13 || in[5] != 10 || in[6] != 26 || in[7] != 10) { CERROR_RETURN_ERROR(state->error, 28); /*error: the first 8 bytes are not the correct PNG signature*/ } if(lodepng_chunk_length(in + 8) != 13) { CERROR_RETURN_ERROR(state->error, 94); /*error: header size must be 13 bytes*/ } if(!lodepng_chunk_type_equals(in + 8, "IHDR")) { CERROR_RETURN_ERROR(state->error, 29); /*error: it doesn't start with a IHDR chunk!*/ } /*read the values given in the header*/ width = lodepng_read32bitInt(&in[16]); height = lodepng_read32bitInt(&in[20]); /*TODO: remove the undocumented feature that allows to give null pointers to width or height*/ if(w) *w = width; if(h) *h = height; info->color.bitdepth = in[24]; info->color.colortype = (LodePNGColorType)in[25]; info->compression_method = in[26]; info->filter_method = in[27]; info->interlace_method = in[28]; /*errors returned only after the parsing so other values are still output*/ /*error: invalid image size*/ if(width == 0 || height == 0) CERROR_RETURN_ERROR(state->error, 93); /*error: invalid colortype or bitdepth combination*/ state->error = checkColorValidity(info->color.colortype, info->color.bitdepth); if(state->error) return state->error; /*error: only compression method 0 is allowed in the specification*/ if(info->compression_method != 0) CERROR_RETURN_ERROR(state->error, 32); /*error: only filter method 0 is allowed in the specification*/ if(info->filter_method != 0) CERROR_RETURN_ERROR(state->error, 33); /*error: only interlace methods 0 and 1 exist in the specification*/ if(info->interlace_method > 1) CERROR_RETURN_ERROR(state->error, 34); if(!state->decoder.ignore_crc) { unsigned CRC = lodepng_read32bitInt(&in[29]); unsigned checksum = lodepng_crc32(&in[12], 17); if(CRC != checksum) { CERROR_RETURN_ERROR(state->error, 57); /*invalid CRC*/ } } return state->error; } static unsigned unfilterScanline(unsigned char* recon, const unsigned char* scanline, const unsigned char* precon, size_t bytewidth, unsigned char filterType, size_t length) { /* For PNG filter method 0 unfilter a PNG image scanline by scanline. when the pixels are smaller than 1 byte, the filter works byte per byte (bytewidth = 1) precon is the previous unfiltered scanline, recon the result, scanline the current one the incoming scanlines do NOT include the filtertype byte, that one is given in the parameter filterType instead recon and scanline MAY be the same memory address! precon must be disjoint. */ size_t i; switch(filterType) { case 0: for(i = 0; i != length; ++i) recon[i] = scanline[i]; break; case 1: { size_t j = 0; for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i]; for(i = bytewidth; i != length; ++i, ++j) recon[i] = scanline[i] + recon[j]; break; } case 2: if(precon) { for(i = 0; i != length; ++i) recon[i] = scanline[i] + precon[i]; } else { for(i = 0; i != length; ++i) recon[i] = scanline[i]; } break; case 3: if(precon) { size_t j = 0; for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i] + (precon[i] >> 1u); /* Unroll independent paths of this predictor. A 6x and 8x version is also possible but that adds too much code. Whether this speeds up anything depends on compiler and settings. */ if(bytewidth >= 4) { for(; i + 3 < length; i += 4, j += 4) { unsigned char s0 = scanline[i + 0], s1 = scanline[i + 1], s2 = scanline[i + 2], s3 = scanline[i + 3]; unsigned char r0 = recon[j + 0], r1 = recon[j + 1], r2 = recon[j + 2], r3 = recon[j + 3]; unsigned char p0 = precon[i + 0], p1 = precon[i + 1], p2 = precon[i + 2], p3 = precon[i + 3]; recon[i + 0] = s0 + ((r0 + p0) >> 1u); recon[i + 1] = s1 + ((r1 + p1) >> 1u); recon[i + 2] = s2 + ((r2 + p2) >> 1u); recon[i + 3] = s3 + ((r3 + p3) >> 1u); } } else if(bytewidth >= 3) { for(; i + 2 < length; i += 3, j += 3) { unsigned char s0 = scanline[i + 0], s1 = scanline[i + 1], s2 = scanline[i + 2]; unsigned char r0 = recon[j + 0], r1 = recon[j + 1], r2 = recon[j + 2]; unsigned char p0 = precon[i + 0], p1 = precon[i + 1], p2 = precon[i + 2]; recon[i + 0] = s0 + ((r0 + p0) >> 1u); recon[i + 1] = s1 + ((r1 + p1) >> 1u); recon[i + 2] = s2 + ((r2 + p2) >> 1u); } } else if(bytewidth >= 2) { for(; i + 1 < length; i += 2, j += 2) { unsigned char s0 = scanline[i + 0], s1 = scanline[i + 1]; unsigned char r0 = recon[j + 0], r1 = recon[j + 1]; unsigned char p0 = precon[i + 0], p1 = precon[i + 1]; recon[i + 0] = s0 + ((r0 + p0) >> 1u); recon[i + 1] = s1 + ((r1 + p1) >> 1u); } } for(; i != length; ++i, ++j) recon[i] = scanline[i] + ((recon[j] + precon[i]) >> 1u); } else { size_t j = 0; for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i]; for(i = bytewidth; i != length; ++i, ++j) recon[i] = scanline[i] + (recon[j] >> 1u); } break; case 4: if(precon) { size_t j = 0; for(i = 0; i != bytewidth; ++i) { recon[i] = (scanline[i] + precon[i]); /*paethPredictor(0, precon[i], 0) is always precon[i]*/ } /* Unroll independent paths of the paeth predictor. A 6x and 8x version is also possible but that adds too much code. Whether this speeds up anything depends on compiler and settings. */ if(bytewidth >= 4) { for(; i + 3 < length; i += 4, j += 4) { unsigned char s0 = scanline[i + 0], s1 = scanline[i + 1], s2 = scanline[i + 2], s3 = scanline[i + 3]; unsigned char r0 = recon[j + 0], r1 = recon[j + 1], r2 = recon[j + 2], r3 = recon[j + 3]; unsigned char p0 = precon[i + 0], p1 = precon[i + 1], p2 = precon[i + 2], p3 = precon[i + 3]; unsigned char q0 = precon[j + 0], q1 = precon[j + 1], q2 = precon[j + 2], q3 = precon[j + 3]; recon[i + 0] = s0 + paethPredictor(r0, p0, q0); recon[i + 1] = s1 + paethPredictor(r1, p1, q1); recon[i + 2] = s2 + paethPredictor(r2, p2, q2); recon[i + 3] = s3 + paethPredictor(r3, p3, q3); } } else if(bytewidth >= 3) { for(; i + 2 < length; i += 3, j += 3) { unsigned char s0 = scanline[i + 0], s1 = scanline[i + 1], s2 = scanline[i + 2]; unsigned char r0 = recon[j + 0], r1 = recon[j + 1], r2 = recon[j + 2]; unsigned char p0 = precon[i + 0], p1 = precon[i + 1], p2 = precon[i + 2]; unsigned char q0 = precon[j + 0], q1 = precon[j + 1], q2 = precon[j + 2]; recon[i + 0] = s0 + paethPredictor(r0, p0, q0); recon[i + 1] = s1 + paethPredictor(r1, p1, q1); recon[i + 2] = s2 + paethPredictor(r2, p2, q2); } } else if(bytewidth >= 2) { for(; i + 1 < length; i += 2, j += 2) { unsigned char s0 = scanline[i + 0], s1 = scanline[i + 1]; unsigned char r0 = recon[j + 0], r1 = recon[j + 1]; unsigned char p0 = precon[i + 0], p1 = precon[i + 1]; unsigned char q0 = precon[j + 0], q1 = precon[j + 1]; recon[i + 0] = s0 + paethPredictor(r0, p0, q0); recon[i + 1] = s1 + paethPredictor(r1, p1, q1); } } for(; i != length; ++i, ++j) { recon[i] = (scanline[i] + paethPredictor(recon[i - bytewidth], precon[i], precon[j])); } } else { size_t j = 0; for(i = 0; i != bytewidth; ++i) { recon[i] = scanline[i]; } for(i = bytewidth; i != length; ++i, ++j) { /*paethPredictor(recon[i - bytewidth], 0, 0) is always recon[i - bytewidth]*/ recon[i] = (scanline[i] + recon[j]); } } break; default: return 36; /*error: invalid filter type given*/ } return 0; } static unsigned unfilter(unsigned char* out, const unsigned char* in, unsigned w, unsigned h, unsigned bpp) { /* For PNG filter method 0 this function unfilters a single image (e.g. without interlacing this is called once, with Adam7 seven times) out must have enough bytes allocated already, in must have the scanlines + 1 filtertype byte per scanline w and h are image dimensions or dimensions of reduced image, bpp is bits per pixel in and out are allowed to be the same memory address (but aren't the same size since in has the extra filter bytes) */ unsigned y; unsigned char* prevline = 0; /*bytewidth is used for filtering, is 1 when bpp < 8, number of bytes per pixel otherwise*/ size_t bytewidth = (bpp + 7u) / 8u; /*the width of a scanline in bytes, not including the filter type*/ size_t linebytes = lodepng_get_raw_size_idat(w, 1, bpp) - 1u; for(y = 0; y < h; ++y) { size_t outindex = linebytes * y; size_t inindex = (1 + linebytes) * y; /*the extra filterbyte added to each row*/ unsigned char filterType = in[inindex]; CERROR_TRY_RETURN(unfilterScanline(&out[outindex], &in[inindex + 1], prevline, bytewidth, filterType, linebytes)); prevline = &out[outindex]; } return 0; } /* in: Adam7 interlaced image, with no padding bits between scanlines, but between reduced images so that each reduced image starts at a byte. out: the same pixels, but re-ordered so that they're now a non-interlaced image with size w*h bpp: bits per pixel out has the following size in bits: w * h * bpp. in is possibly bigger due to padding bits between reduced images. out must be big enough AND must be 0 everywhere if bpp < 8 in the current implementation (because that's likely a little bit faster) NOTE: comments about padding bits are only relevant if bpp < 8 */ static void Adam7_deinterlace(unsigned char* out, const unsigned char* in, unsigned w, unsigned h, unsigned bpp) { unsigned passw[7], passh[7]; size_t filter_passstart[8], padded_passstart[8], passstart[8]; unsigned i; Adam7_getpassvalues(passw, passh, filter_passstart, padded_passstart, passstart, w, h, bpp); if(bpp >= 8) { for(i = 0; i != 7; ++i) { unsigned x, y, b; size_t bytewidth = bpp / 8u; for(y = 0; y < passh[i]; ++y) for(x = 0; x < passw[i]; ++x) { size_t pixelinstart = passstart[i] + (y * passw[i] + x) * bytewidth; size_t pixeloutstart = ((ADAM7_IY[i] + (size_t)y * ADAM7_DY[i]) * (size_t)w + ADAM7_IX[i] + (size_t)x * ADAM7_DX[i]) * bytewidth; for(b = 0; b < bytewidth; ++b) { out[pixeloutstart + b] = in[pixelinstart + b]; } } } } else /*bpp < 8: Adam7 with pixels < 8 bit is a bit trickier: with bit pointers*/ { for(i = 0; i != 7; ++i) { unsigned x, y, b; unsigned ilinebits = bpp * passw[i]; unsigned olinebits = bpp * w; size_t obp, ibp; /*bit pointers (for out and in buffer)*/ for(y = 0; y < passh[i]; ++y) for(x = 0; x < passw[i]; ++x) { ibp = (8 * passstart[i]) + (y * ilinebits + x * bpp); obp = (ADAM7_IY[i] + (size_t)y * ADAM7_DY[i]) * olinebits + (ADAM7_IX[i] + (size_t)x * ADAM7_DX[i]) * bpp; for(b = 0; b < bpp; ++b) { unsigned char bit = readBitFromReversedStream(&ibp, in); setBitOfReversedStream(&obp, out, bit); } } } } } static void removePaddingBits(unsigned char* out, const unsigned char* in, size_t olinebits, size_t ilinebits, unsigned h) { /* After filtering there are still padding bits if scanlines have non multiple of 8 bit amounts. They need to be removed (except at last scanline of (Adam7-reduced) image) before working with pure image buffers for the Adam7 code, the color convert code and the output to the user. in and out are allowed to be the same buffer, in may also be higher but still overlapping; in must have >= ilinebits*h bits, out must have >= olinebits*h bits, olinebits must be <= ilinebits also used to move bits after earlier such operations happened, e.g. in a sequence of reduced images from Adam7 only useful if (ilinebits - olinebits) is a value in the range 1..7 */ unsigned y; size_t diff = ilinebits - olinebits; size_t ibp = 0, obp = 0; /*input and output bit pointers*/ for(y = 0; y < h; ++y) { size_t x; for(x = 0; x < olinebits; ++x) { unsigned char bit = readBitFromReversedStream(&ibp, in); setBitOfReversedStream(&obp, out, bit); } ibp += diff; } } /*out must be buffer big enough to contain full image, and in must contain the full decompressed data from the IDAT chunks (with filter index bytes and possible padding bits) return value is error*/ static unsigned postProcessScanlines(unsigned char* out, unsigned char* in, unsigned w, unsigned h, const LodePNGInfo* info_png) { /* This function converts the filtered-padded-interlaced data into pure 2D image buffer with the PNG's colortype. Steps: *) if no Adam7: 1) unfilter 2) remove padding bits (= possible extra bits per scanline if bpp < 8) *) if adam7: 1) 7x unfilter 2) 7x remove padding bits 3) Adam7_deinterlace NOTE: the in buffer will be overwritten with intermediate data! */ unsigned bpp = lodepng_get_bpp(&info_png->color); if(bpp == 0) return 31; /*error: invalid colortype*/ if(info_png->interlace_method == 0) { if(bpp < 8 && w * bpp != ((w * bpp + 7u) / 8u) * 8u) { CERROR_TRY_RETURN(unfilter(in, in, w, h, bpp)); removePaddingBits(out, in, w * bpp, ((w * bpp + 7u) / 8u) * 8u, h); } /*we can immediately filter into the out buffer, no other steps needed*/ else CERROR_TRY_RETURN(unfilter(out, in, w, h, bpp)); } else /*interlace_method is 1 (Adam7)*/ { unsigned passw[7], passh[7]; size_t filter_passstart[8], padded_passstart[8], passstart[8]; unsigned i; Adam7_getpassvalues(passw, passh, filter_passstart, padded_passstart, passstart, w, h, bpp); for(i = 0; i != 7; ++i) { CERROR_TRY_RETURN(unfilter(&in[padded_passstart[i]], &in[filter_passstart[i]], passw[i], passh[i], bpp)); /*TODO: possible efficiency improvement: if in this reduced image the bits fit nicely in 1 scanline, move bytes instead of bits or move not at all*/ if(bpp < 8) { /*remove padding bits in scanlines; after this there still may be padding bits between the different reduced images: each reduced image still starts nicely at a byte*/ removePaddingBits(&in[passstart[i]], &in[padded_passstart[i]], passw[i] * bpp, ((passw[i] * bpp + 7u) / 8u) * 8u, passh[i]); } } Adam7_deinterlace(out, in, w, h, bpp); } return 0; } static unsigned readChunk_PLTE(LodePNGColorMode* color, const unsigned char* data, size_t chunkLength) { unsigned pos = 0, i; color->palettesize = chunkLength / 3u; if(color->palettesize == 0 || color->palettesize > 256) return 38; /*error: palette too small or big*/ lodepng_color_mode_alloc_palette(color); if(!color->palette && color->palettesize) { color->palettesize = 0; return 83; /*alloc fail*/ } for(i = 0; i != color->palettesize; ++i) { color->palette[4 * i + 0] = data[pos++]; /*R*/ color->palette[4 * i + 1] = data[pos++]; /*G*/ color->palette[4 * i + 2] = data[pos++]; /*B*/ color->palette[4 * i + 3] = 255; /*alpha*/ } return 0; /* OK */ } static unsigned readChunk_tRNS(LodePNGColorMode* color, const unsigned char* data, size_t chunkLength) { unsigned i; if(color->colortype == LCT_PALETTE) { /*error: more alpha values given than there are palette entries*/ if(chunkLength > color->palettesize) return 39; for(i = 0; i != chunkLength; ++i) color->palette[4 * i + 3] = data[i]; } else if(color->colortype == LCT_GREY) { /*error: this chunk must be 2 bytes for grayscale image*/ if(chunkLength != 2) return 30; color->key_defined = 1; color->key_r = color->key_g = color->key_b = 256u * data[0] + data[1]; } else if(color->colortype == LCT_RGB) { /*error: this chunk must be 6 bytes for RGB image*/ if(chunkLength != 6) return 41; color->key_defined = 1; color->key_r = 256u * data[0] + data[1]; color->key_g = 256u * data[2] + data[3]; color->key_b = 256u * data[4] + data[5]; } else return 42; /*error: tRNS chunk not allowed for other color models*/ return 0; /* OK */ } #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*background color chunk (bKGD)*/ static unsigned readChunk_bKGD(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { if(info->color.colortype == LCT_PALETTE) { /*error: this chunk must be 1 byte for indexed color image*/ if(chunkLength != 1) return 43; /*error: invalid palette index, or maybe this chunk appeared before PLTE*/ if(data[0] >= info->color.palettesize) return 103; info->background_defined = 1; info->background_r = info->background_g = info->background_b = data[0]; } else if(info->color.colortype == LCT_GREY || info->color.colortype == LCT_GREY_ALPHA) { /*error: this chunk must be 2 bytes for grayscale image*/ if(chunkLength != 2) return 44; /*the values are truncated to bitdepth in the PNG file*/ info->background_defined = 1; info->background_r = info->background_g = info->background_b = 256u * data[0] + data[1]; } else if(info->color.colortype == LCT_RGB || info->color.colortype == LCT_RGBA) { /*error: this chunk must be 6 bytes for grayscale image*/ if(chunkLength != 6) return 45; /*the values are truncated to bitdepth in the PNG file*/ info->background_defined = 1; info->background_r = 256u * data[0] + data[1]; info->background_g = 256u * data[2] + data[3]; info->background_b = 256u * data[4] + data[5]; } return 0; /* OK */ } /*text chunk (tEXt)*/ static unsigned readChunk_tEXt(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { unsigned error = 0; char *key = 0, *str = 0; while(!error) /*not really a while loop, only used to break on error*/ { unsigned length, string2_begin; length = 0; while(length < chunkLength && data[length] != 0) ++length; /*even though it's not allowed by the standard, no error is thrown if there's no null termination char, if the text is empty*/ if(length < 1 || length > 79) CERROR_BREAK(error, 89); /*keyword too short or long*/ key = (char*)lodepng_malloc(length + 1); if(!key) CERROR_BREAK(error, 83); /*alloc fail*/ lodepng_memcpy(key, data, length); key[length] = 0; string2_begin = length + 1; /*skip keyword null terminator*/ length = (unsigned)(chunkLength < string2_begin ? 0 : chunkLength - string2_begin); str = (char*)lodepng_malloc(length + 1); if(!str) CERROR_BREAK(error, 83); /*alloc fail*/ lodepng_memcpy(str, data + string2_begin, length); str[length] = 0; error = lodepng_add_text(info, key, str); break; } lodepng_free(key); lodepng_free(str); return error; } /*compressed text chunk (zTXt)*/ static unsigned readChunk_zTXt(LodePNGInfo* info, const LodePNGDecoderSettings* decoder, const unsigned char* data, size_t chunkLength) { unsigned error = 0; /*copy the object to change parameters in it*/ LodePNGDecompressSettings zlibsettings = decoder->zlibsettings; unsigned length, string2_begin; char *key = 0; unsigned char* str = 0; size_t size = 0; while(!error) /*not really a while loop, only used to break on error*/ { for(length = 0; length < chunkLength && data[length] != 0; ++length) ; if(length + 2 >= chunkLength) CERROR_BREAK(error, 75); /*no null termination, corrupt?*/ if(length < 1 || length > 79) CERROR_BREAK(error, 89); /*keyword too short or long*/ key = (char*)lodepng_malloc(length + 1); if(!key) CERROR_BREAK(error, 83); /*alloc fail*/ lodepng_memcpy(key, data, length); key[length] = 0; if(data[length + 1] != 0) CERROR_BREAK(error, 72); /*the 0 byte indicating compression must be 0*/ string2_begin = length + 2; if(string2_begin > chunkLength) CERROR_BREAK(error, 75); /*no null termination, corrupt?*/ length = (unsigned)chunkLength - string2_begin; zlibsettings.max_output_size = decoder->max_text_size; /*will fail if zlib error, e.g. if length is too small*/ error = zlib_decompress(&str, &size, 0, &data[string2_begin], length, &zlibsettings); /*error: compressed text larger than decoder->max_text_size*/ if(error && size > zlibsettings.max_output_size) error = 112; if(error) break; error = lodepng_add_text_sized(info, key, (char*)str, size); break; } lodepng_free(key); lodepng_free(str); return error; } /*international text chunk (iTXt)*/ static unsigned readChunk_iTXt(LodePNGInfo* info, const LodePNGDecoderSettings* decoder, const unsigned char* data, size_t chunkLength) { unsigned error = 0; unsigned i; /*copy the object to change parameters in it*/ LodePNGDecompressSettings zlibsettings = decoder->zlibsettings; unsigned length, begin, compressed; char *key = 0, *langtag = 0, *transkey = 0; while(!error) /*not really a while loop, only used to break on error*/ { /*Quick check if the chunk length isn't too small. Even without check it'd still fail with other error checks below if it's too short. This just gives a different error code.*/ if(chunkLength < 5) CERROR_BREAK(error, 30); /*iTXt chunk too short*/ /*read the key*/ for(length = 0; length < chunkLength && data[length] != 0; ++length) ; if(length + 3 >= chunkLength) CERROR_BREAK(error, 75); /*no null termination char, corrupt?*/ if(length < 1 || length > 79) CERROR_BREAK(error, 89); /*keyword too short or long*/ key = (char*)lodepng_malloc(length + 1); if(!key) CERROR_BREAK(error, 83); /*alloc fail*/ lodepng_memcpy(key, data, length); key[length] = 0; /*read the compression method*/ compressed = data[length + 1]; if(data[length + 2] != 0) CERROR_BREAK(error, 72); /*the 0 byte indicating compression must be 0*/ /*even though it's not allowed by the standard, no error is thrown if there's no null termination char, if the text is empty for the next 3 texts*/ /*read the langtag*/ begin = length + 3; length = 0; for(i = begin; i < chunkLength && data[i] != 0; ++i) ++length; langtag = (char*)lodepng_malloc(length + 1); if(!langtag) CERROR_BREAK(error, 83); /*alloc fail*/ lodepng_memcpy(langtag, data + begin, length); langtag[length] = 0; /*read the transkey*/ begin += length + 1; length = 0; for(i = begin; i < chunkLength && data[i] != 0; ++i) ++length; transkey = (char*)lodepng_malloc(length + 1); if(!transkey) CERROR_BREAK(error, 83); /*alloc fail*/ lodepng_memcpy(transkey, data + begin, length); transkey[length] = 0; /*read the actual text*/ begin += length + 1; length = (unsigned)chunkLength < begin ? 0 : (unsigned)chunkLength - begin; if(compressed) { unsigned char* str = 0; size_t size = 0; zlibsettings.max_output_size = decoder->max_text_size; /*will fail if zlib error, e.g. if length is too small*/ error = zlib_decompress(&str, &size, 0, &data[begin], length, &zlibsettings); /*error: compressed text larger than decoder->max_text_size*/ if(error && size > zlibsettings.max_output_size) error = 112; if(!error) error = lodepng_add_itext_sized(info, key, langtag, transkey, (char*)str, size); lodepng_free(str); } else { error = lodepng_add_itext_sized(info, key, langtag, transkey, (char*)(data + begin), length); } break; } lodepng_free(key); lodepng_free(langtag); lodepng_free(transkey); return error; } static unsigned readChunk_tIME(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { if(chunkLength != 7) return 73; /*invalid tIME chunk size*/ info->time_defined = 1; info->time.year = 256u * data[0] + data[1]; info->time.month = data[2]; info->time.day = data[3]; info->time.hour = data[4]; info->time.minute = data[5]; info->time.second = data[6]; return 0; /* OK */ } static unsigned readChunk_pHYs(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { if(chunkLength != 9) return 74; /*invalid pHYs chunk size*/ info->phys_defined = 1; info->phys_x = 16777216u * data[0] + 65536u * data[1] + 256u * data[2] + data[3]; info->phys_y = 16777216u * data[4] + 65536u * data[5] + 256u * data[6] + data[7]; info->phys_unit = data[8]; return 0; /* OK */ } static unsigned readChunk_gAMA(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { if(chunkLength != 4) return 96; /*invalid gAMA chunk size*/ info->gama_defined = 1; info->gama_gamma = 16777216u * data[0] + 65536u * data[1] + 256u * data[2] + data[3]; return 0; /* OK */ } static unsigned readChunk_cHRM(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { if(chunkLength != 32) return 97; /*invalid cHRM chunk size*/ info->chrm_defined = 1; info->chrm_white_x = 16777216u * data[ 0] + 65536u * data[ 1] + 256u * data[ 2] + data[ 3]; info->chrm_white_y = 16777216u * data[ 4] + 65536u * data[ 5] + 256u * data[ 6] + data[ 7]; info->chrm_red_x = 16777216u * data[ 8] + 65536u * data[ 9] + 256u * data[10] + data[11]; info->chrm_red_y = 16777216u * data[12] + 65536u * data[13] + 256u * data[14] + data[15]; info->chrm_green_x = 16777216u * data[16] + 65536u * data[17] + 256u * data[18] + data[19]; info->chrm_green_y = 16777216u * data[20] + 65536u * data[21] + 256u * data[22] + data[23]; info->chrm_blue_x = 16777216u * data[24] + 65536u * data[25] + 256u * data[26] + data[27]; info->chrm_blue_y = 16777216u * data[28] + 65536u * data[29] + 256u * data[30] + data[31]; return 0; /* OK */ } static unsigned readChunk_sRGB(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { if(chunkLength != 1) return 98; /*invalid sRGB chunk size (this one is never ignored)*/ info->srgb_defined = 1; info->srgb_intent = data[0]; return 0; /* OK */ } static unsigned readChunk_iCCP(LodePNGInfo* info, const LodePNGDecoderSettings* decoder, const unsigned char* data, size_t chunkLength) { unsigned error = 0; unsigned i; size_t size = 0; /*copy the object to change parameters in it*/ LodePNGDecompressSettings zlibsettings = decoder->zlibsettings; unsigned length, string2_begin; info->iccp_defined = 1; if(info->iccp_name) lodepng_clear_icc(info); for(length = 0; length < chunkLength && data[length] != 0; ++length) ; if(length + 2 >= chunkLength) return 75; /*no null termination, corrupt?*/ if(length < 1 || length > 79) return 89; /*keyword too short or long*/ info->iccp_name = (char*)lodepng_malloc(length + 1); if(!info->iccp_name) return 83; /*alloc fail*/ info->iccp_name[length] = 0; for(i = 0; i != length; ++i) info->iccp_name[i] = (char)data[i]; if(data[length + 1] != 0) return 72; /*the 0 byte indicating compression must be 0*/ string2_begin = length + 2; if(string2_begin > chunkLength) return 75; /*no null termination, corrupt?*/ length = (unsigned)chunkLength - string2_begin; zlibsettings.max_output_size = decoder->max_icc_size; error = zlib_decompress(&info->iccp_profile, &size, 0, &data[string2_begin], length, &zlibsettings); /*error: ICC profile larger than decoder->max_icc_size*/ if(error && size > zlibsettings.max_output_size) error = 113; info->iccp_profile_size = size; if(!error && !info->iccp_profile_size) error = 100; /*invalid ICC profile size*/ return error; } /*significant bits chunk (sBIT)*/ static unsigned readChunk_sBIT(LodePNGInfo* info, const unsigned char* data, size_t chunkLength) { unsigned bitdepth = (info->color.colortype == LCT_PALETTE) ? 8 : info->color.bitdepth; if(info->color.colortype == LCT_GREY) { /*error: this chunk must be 1 bytes for grayscale image*/ if(chunkLength != 1) return 114; if(data[0] == 0 || data[0] > bitdepth) return 115; info->sbit_defined = 1; info->sbit_r = info->sbit_g = info->sbit_b = data[0]; /*setting g and b is not required, but sensible*/ } else if(info->color.colortype == LCT_RGB || info->color.colortype == LCT_PALETTE) { /*error: this chunk must be 3 bytes for RGB and palette image*/ if(chunkLength != 3) return 114; if(data[0] == 0 || data[1] == 0 || data[2] == 0) return 115; if(data[0] > bitdepth || data[1] > bitdepth || data[2] > bitdepth) return 115; info->sbit_defined = 1; info->sbit_r = data[0]; info->sbit_g = data[1]; info->sbit_b = data[2]; } else if(info->color.colortype == LCT_GREY_ALPHA) { /*error: this chunk must be 2 byte for grayscale with alpha image*/ if(chunkLength != 2) return 114; if(data[0] == 0 || data[1] == 0) return 115; if(data[0] > bitdepth || data[1] > bitdepth) return 115; info->sbit_defined = 1; info->sbit_r = info->sbit_g = info->sbit_b = data[0]; /*setting g and b is not required, but sensible*/ info->sbit_a = data[1]; } else if(info->color.colortype == LCT_RGBA) { /*error: this chunk must be 4 bytes for grayscale image*/ if(chunkLength != 4) return 114; if(data[0] == 0 || data[1] == 0 || data[2] == 0 || data[3] == 0) return 115; if(data[0] > bitdepth || data[1] > bitdepth || data[2] > bitdepth || data[3] > bitdepth) return 115; info->sbit_defined = 1; info->sbit_r = data[0]; info->sbit_g = data[1]; info->sbit_b = data[2]; info->sbit_a = data[3]; } return 0; /* OK */ } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ unsigned lodepng_inspect_chunk(LodePNGState* state, size_t pos, const unsigned char* in, size_t insize) { const unsigned char* chunk = in + pos; unsigned chunkLength; const unsigned char* data; unsigned unhandled = 0; unsigned error = 0; if(pos + 4 > insize) return 30; chunkLength = lodepng_chunk_length(chunk); if(chunkLength > 2147483647) return 63; data = lodepng_chunk_data_const(chunk); if(chunkLength + 12 > insize - pos) return 30; if(lodepng_chunk_type_equals(chunk, "PLTE")) { error = readChunk_PLTE(&state->info_png.color, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "tRNS")) { error = readChunk_tRNS(&state->info_png.color, data, chunkLength); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS } else if(lodepng_chunk_type_equals(chunk, "bKGD")) { error = readChunk_bKGD(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "tEXt")) { error = readChunk_tEXt(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "zTXt")) { error = readChunk_zTXt(&state->info_png, &state->decoder, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "iTXt")) { error = readChunk_iTXt(&state->info_png, &state->decoder, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "tIME")) { error = readChunk_tIME(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "pHYs")) { error = readChunk_pHYs(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "gAMA")) { error = readChunk_gAMA(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "cHRM")) { error = readChunk_cHRM(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "sRGB")) { error = readChunk_sRGB(&state->info_png, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "iCCP")) { error = readChunk_iCCP(&state->info_png, &state->decoder, data, chunkLength); } else if(lodepng_chunk_type_equals(chunk, "sBIT")) { error = readChunk_sBIT(&state->info_png, data, chunkLength); #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } else { /* unhandled chunk is ok (is not an error) */ unhandled = 1; } if(!error && !unhandled && !state->decoder.ignore_crc) { if(lodepng_chunk_check_crc(chunk)) return 57; /*invalid CRC*/ } return error; } /*read a PNG, the result will be in the same color type as the PNG (hence "generic")*/ static void decodeGeneric(unsigned char** out, unsigned* w, unsigned* h, LodePNGState* state, const unsigned char* in, size_t insize) { unsigned char IEND = 0; const unsigned char* chunk; /*points to beginning of next chunk*/ unsigned char* idat; /*the data from idat chunks, zlib compressed*/ size_t idatsize = 0; unsigned char* scanlines = 0; size_t scanlines_size = 0, expected_size = 0; size_t outsize = 0; /*for unknown chunk order*/ unsigned unknown = 0; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS unsigned critical_pos = 1; /*1 = after IHDR, 2 = after PLTE, 3 = after IDAT*/ #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /* safe output values in case error happens */ *out = 0; *w = *h = 0; state->error = lodepng_inspect(w, h, state, in, insize); /*reads header and resets other parameters in state->info_png*/ if(state->error) return; if(lodepng_pixel_overflow(*w, *h, &state->info_png.color, &state->info_raw)) { CERROR_RETURN(state->error, 92); /*overflow possible due to amount of pixels*/ } /*the input filesize is a safe upper bound for the sum of idat chunks size*/ idat = (unsigned char*)lodepng_malloc(insize); if(!idat) CERROR_RETURN(state->error, 83); /*alloc fail*/ chunk = &in[33]; /*first byte of the first chunk after the header*/ /*loop through the chunks, ignoring unknown chunks and stopping at IEND chunk. IDAT data is put at the start of the in buffer*/ while(!IEND && !state->error) { unsigned chunkLength; const unsigned char* data; /*the data in the chunk*/ size_t pos = (size_t)(chunk - in); /*error: next chunk out of bounds of the in buffer*/ if(chunk < in || pos + 12 > insize) { if(state->decoder.ignore_end) break; /*other errors may still happen though*/ CERROR_BREAK(state->error, 30); } /*length of the data of the chunk, excluding the 12 bytes for length, chunk type and CRC*/ chunkLength = lodepng_chunk_length(chunk); /*error: chunk length larger than the max PNG chunk size*/ if(chunkLength > 2147483647) { if(state->decoder.ignore_end) break; /*other errors may still happen though*/ CERROR_BREAK(state->error, 63); } if(pos + (size_t)chunkLength + 12 > insize || pos + (size_t)chunkLength + 12 < pos) { CERROR_BREAK(state->error, 64); /*error: size of the in buffer too small to contain next chunk (or int overflow)*/ } data = lodepng_chunk_data_const(chunk); unknown = 0; /*IDAT chunk, containing compressed image data*/ if(lodepng_chunk_type_equals(chunk, "IDAT")) { size_t newsize; if(lodepng_addofl(idatsize, chunkLength, &newsize)) CERROR_BREAK(state->error, 95); if(newsize > insize) CERROR_BREAK(state->error, 95); lodepng_memcpy(idat + idatsize, data, chunkLength); idatsize += chunkLength; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS critical_pos = 3; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } else if(lodepng_chunk_type_equals(chunk, "IEND")) { /*IEND chunk*/ IEND = 1; } else if(lodepng_chunk_type_equals(chunk, "PLTE")) { /*palette chunk (PLTE)*/ state->error = readChunk_PLTE(&state->info_png.color, data, chunkLength); if(state->error) break; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS critical_pos = 2; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } else if(lodepng_chunk_type_equals(chunk, "tRNS")) { /*palette transparency chunk (tRNS). Even though this one is an ancillary chunk , it is still compiled in without 'LODEPNG_COMPILE_ANCILLARY_CHUNKS' because it contains essential color information that affects the alpha channel of pixels. */ state->error = readChunk_tRNS(&state->info_png.color, data, chunkLength); if(state->error) break; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*background color chunk (bKGD)*/ } else if(lodepng_chunk_type_equals(chunk, "bKGD")) { state->error = readChunk_bKGD(&state->info_png, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "tEXt")) { /*text chunk (tEXt)*/ if(state->decoder.read_text_chunks) { state->error = readChunk_tEXt(&state->info_png, data, chunkLength); if(state->error) break; } } else if(lodepng_chunk_type_equals(chunk, "zTXt")) { /*compressed text chunk (zTXt)*/ if(state->decoder.read_text_chunks) { state->error = readChunk_zTXt(&state->info_png, &state->decoder, data, chunkLength); if(state->error) break; } } else if(lodepng_chunk_type_equals(chunk, "iTXt")) { /*international text chunk (iTXt)*/ if(state->decoder.read_text_chunks) { state->error = readChunk_iTXt(&state->info_png, &state->decoder, data, chunkLength); if(state->error) break; } } else if(lodepng_chunk_type_equals(chunk, "tIME")) { state->error = readChunk_tIME(&state->info_png, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "pHYs")) { state->error = readChunk_pHYs(&state->info_png, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "gAMA")) { state->error = readChunk_gAMA(&state->info_png, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "cHRM")) { state->error = readChunk_cHRM(&state->info_png, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "sRGB")) { state->error = readChunk_sRGB(&state->info_png, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "iCCP")) { state->error = readChunk_iCCP(&state->info_png, &state->decoder, data, chunkLength); if(state->error) break; } else if(lodepng_chunk_type_equals(chunk, "sBIT")) { state->error = readChunk_sBIT(&state->info_png, data, chunkLength); if(state->error) break; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } else /*it's not an implemented chunk type, so ignore it: skip over the data*/ { /*error: unknown critical chunk (5th bit of first byte of chunk type is 0)*/ if(!state->decoder.ignore_critical && !lodepng_chunk_ancillary(chunk)) { CERROR_BREAK(state->error, 69); } unknown = 1; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS if(state->decoder.remember_unknown_chunks) { state->error = lodepng_chunk_append(&state->info_png.unknown_chunks_data[critical_pos - 1], &state->info_png.unknown_chunks_size[critical_pos - 1], chunk); if(state->error) break; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } if(!state->decoder.ignore_crc && !unknown) /*check CRC if wanted, only on known chunk types*/ { if(lodepng_chunk_check_crc(chunk)) CERROR_BREAK(state->error, 57); /*invalid CRC*/ } if(!IEND) chunk = lodepng_chunk_next_const(chunk, in + insize); } if(!state->error && state->info_png.color.colortype == LCT_PALETTE && !state->info_png.color.palette) { state->error = 106; /* error: PNG file must have PLTE chunk if color type is palette */ } if(!state->error) { /*predict output size, to allocate exact size for output buffer to avoid more dynamic allocation. If the decompressed size does not match the prediction, the image must be corrupt.*/ if(state->info_png.interlace_method == 0) { size_t bpp = lodepng_get_bpp(&state->info_png.color); expected_size = lodepng_get_raw_size_idat(*w, *h, bpp); } else { size_t bpp = lodepng_get_bpp(&state->info_png.color); /*Adam-7 interlaced: expected size is the sum of the 7 sub-images sizes*/ expected_size = 0; expected_size += lodepng_get_raw_size_idat((*w + 7) >> 3, (*h + 7) >> 3, bpp); if(*w > 4) expected_size += lodepng_get_raw_size_idat((*w + 3) >> 3, (*h + 7) >> 3, bpp); expected_size += lodepng_get_raw_size_idat((*w + 3) >> 2, (*h + 3) >> 3, bpp); if(*w > 2) expected_size += lodepng_get_raw_size_idat((*w + 1) >> 2, (*h + 3) >> 2, bpp); expected_size += lodepng_get_raw_size_idat((*w + 1) >> 1, (*h + 1) >> 2, bpp); if(*w > 1) expected_size += lodepng_get_raw_size_idat((*w + 0) >> 1, (*h + 1) >> 1, bpp); expected_size += lodepng_get_raw_size_idat((*w + 0), (*h + 0) >> 1, bpp); } state->error = zlib_decompress(&scanlines, &scanlines_size, expected_size, idat, idatsize, &state->decoder.zlibsettings); } if(!state->error && scanlines_size != expected_size) state->error = 91; /*decompressed size doesn't match prediction*/ lodepng_free(idat); if(!state->error) { outsize = lodepng_get_raw_size(*w, *h, &state->info_png.color); *out = (unsigned char*)lodepng_malloc(outsize); if(!*out) state->error = 83; /*alloc fail*/ } if(!state->error) { lodepng_memset(*out, 0, outsize); state->error = postProcessScanlines(*out, scanlines, *w, *h, &state->info_png); } lodepng_free(scanlines); } unsigned lodepng_decode(unsigned char** out, unsigned* w, unsigned* h, LodePNGState* state, const unsigned char* in, size_t insize) { *out = 0; decodeGeneric(out, w, h, state, in, insize); if(state->error) return state->error; if(!state->decoder.color_convert || lodepng_color_mode_equal(&state->info_raw, &state->info_png.color)) { /*same color type, no copying or converting of data needed*/ /*store the info_png color settings on the info_raw so that the info_raw still reflects what colortype the raw image has to the end user*/ if(!state->decoder.color_convert) { state->error = lodepng_color_mode_copy(&state->info_raw, &state->info_png.color); if(state->error) return state->error; } } else { /*color conversion needed*/ unsigned char* data = *out; size_t outsize; /*TODO: check if this works according to the statement in the documentation: "The converter can convert from grayscale input color type, to 8-bit grayscale or grayscale with alpha"*/ if(!(state->info_raw.colortype == LCT_RGB || state->info_raw.colortype == LCT_RGBA) && !(state->info_raw.bitdepth == 8)) { return 56; /*unsupported color mode conversion*/ } outsize = lodepng_get_raw_size(*w, *h, &state->info_raw); *out = (unsigned char*)lodepng_malloc(outsize); if(!(*out)) { state->error = 83; /*alloc fail*/ } else state->error = lodepng_convert(*out, data, &state->info_raw, &state->info_png.color, *w, *h); lodepng_free(data); } return state->error; } unsigned lodepng_decode_memory(unsigned char** out, unsigned* w, unsigned* h, const unsigned char* in, size_t insize, LodePNGColorType colortype, unsigned bitdepth) { unsigned error; LodePNGState state; lodepng_state_init(&state); state.info_raw.colortype = colortype; state.info_raw.bitdepth = bitdepth; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*disable reading things that this function doesn't output*/ state.decoder.read_text_chunks = 0; state.decoder.remember_unknown_chunks = 0; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ error = lodepng_decode(out, w, h, &state, in, insize); lodepng_state_cleanup(&state); return error; } unsigned lodepng_decode32(unsigned char** out, unsigned* w, unsigned* h, const unsigned char* in, size_t insize) { return lodepng_decode_memory(out, w, h, in, insize, LCT_RGBA, 8); } unsigned lodepng_decode24(unsigned char** out, unsigned* w, unsigned* h, const unsigned char* in, size_t insize) { return lodepng_decode_memory(out, w, h, in, insize, LCT_RGB, 8); } #ifdef LODEPNG_COMPILE_DISK unsigned lodepng_decode_file(unsigned char** out, unsigned* w, unsigned* h, const char* filename, LodePNGColorType colortype, unsigned bitdepth) { unsigned char* buffer = 0; size_t buffersize; unsigned error; /* safe output values in case error happens */ *out = 0; *w = *h = 0; error = lodepng_load_file(&buffer, &buffersize, filename); if(!error) error = lodepng_decode_memory(out, w, h, buffer, buffersize, colortype, bitdepth); lodepng_free(buffer); return error; } unsigned lodepng_decode32_file(unsigned char** out, unsigned* w, unsigned* h, const char* filename) { return lodepng_decode_file(out, w, h, filename, LCT_RGBA, 8); } unsigned lodepng_decode24_file(unsigned char** out, unsigned* w, unsigned* h, const char* filename) { return lodepng_decode_file(out, w, h, filename, LCT_RGB, 8); } #endif /*LODEPNG_COMPILE_DISK*/ void lodepng_decoder_settings_init(LodePNGDecoderSettings* settings) { settings->color_convert = 1; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS settings->read_text_chunks = 1; settings->remember_unknown_chunks = 0; settings->max_text_size = 16777216; settings->max_icc_size = 16777216; /* 16MB is much more than enough for any reasonable ICC profile */ #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ settings->ignore_crc = 0; settings->ignore_critical = 0; settings->ignore_end = 0; lodepng_decompress_settings_init(&settings->zlibsettings); } #endif /*LODEPNG_COMPILE_DECODER*/ #if defined(LODEPNG_COMPILE_DECODER) || defined(LODEPNG_COMPILE_ENCODER) void lodepng_state_init(LodePNGState* state) { #ifdef LODEPNG_COMPILE_DECODER lodepng_decoder_settings_init(&state->decoder); #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER lodepng_encoder_settings_init(&state->encoder); #endif /*LODEPNG_COMPILE_ENCODER*/ lodepng_color_mode_init(&state->info_raw); lodepng_info_init(&state->info_png); state->error = 1; } void lodepng_state_cleanup(LodePNGState* state) { lodepng_color_mode_cleanup(&state->info_raw); lodepng_info_cleanup(&state->info_png); } void lodepng_state_copy(LodePNGState* dest, const LodePNGState* source) { lodepng_state_cleanup(dest); *dest = *source; lodepng_color_mode_init(&dest->info_raw); lodepng_info_init(&dest->info_png); dest->error = lodepng_color_mode_copy(&dest->info_raw, &source->info_raw); if(dest->error) return; dest->error = lodepng_info_copy(&dest->info_png, &source->info_png); if(dest->error) return; } #endif /* defined(LODEPNG_COMPILE_DECODER) || defined(LODEPNG_COMPILE_ENCODER) */ #ifdef LODEPNG_COMPILE_ENCODER /* ////////////////////////////////////////////////////////////////////////// */ /* / PNG Encoder / */ /* ////////////////////////////////////////////////////////////////////////// */ static unsigned writeSignature(ucvector* out) { size_t pos = out->size; const unsigned char signature[] = {137, 80, 78, 71, 13, 10, 26, 10}; /*8 bytes PNG signature, aka the magic bytes*/ if(!ucvector_resize(out, out->size + 8)) return 83; /*alloc fail*/ lodepng_memcpy(out->data + pos, signature, 8); return 0; } static unsigned addChunk_IHDR(ucvector* out, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth, unsigned interlace_method) { unsigned char *chunk, *data; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 13, "IHDR")); data = chunk + 8; lodepng_set32bitInt(data + 0, w); /*width*/ lodepng_set32bitInt(data + 4, h); /*height*/ data[8] = (unsigned char)bitdepth; /*bit depth*/ data[9] = (unsigned char)colortype; /*color type*/ data[10] = 0; /*compression method*/ data[11] = 0; /*filter method*/ data[12] = interlace_method; /*interlace method*/ lodepng_chunk_generate_crc(chunk); return 0; } /* only adds the chunk if needed (there is a key or palette with alpha) */ static unsigned addChunk_PLTE(ucvector* out, const LodePNGColorMode* info) { unsigned char* chunk; size_t i, j = 8; if(info->palettesize == 0 || info->palettesize > 256) { return 68; /*invalid palette size, it is only allowed to be 1-256*/ } CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, info->palettesize * 3, "PLTE")); for(i = 0; i != info->palettesize; ++i) { /*add all channels except alpha channel*/ chunk[j++] = info->palette[i * 4 + 0]; chunk[j++] = info->palette[i * 4 + 1]; chunk[j++] = info->palette[i * 4 + 2]; } lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_tRNS(ucvector* out, const LodePNGColorMode* info) { unsigned char* chunk = 0; if(info->colortype == LCT_PALETTE) { size_t i, amount = info->palettesize; /*the tail of palette values that all have 255 as alpha, does not have to be encoded*/ for(i = info->palettesize; i != 0; --i) { if(info->palette[4 * (i - 1) + 3] != 255) break; --amount; } if(amount) { CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, amount, "tRNS")); /*add the alpha channel values from the palette*/ for(i = 0; i != amount; ++i) chunk[8 + i] = info->palette[4 * i + 3]; } } else if(info->colortype == LCT_GREY) { if(info->key_defined) { CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 2, "tRNS")); chunk[8] = (unsigned char)(info->key_r >> 8); chunk[9] = (unsigned char)(info->key_r & 255); } } else if(info->colortype == LCT_RGB) { if(info->key_defined) { CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 6, "tRNS")); chunk[8] = (unsigned char)(info->key_r >> 8); chunk[9] = (unsigned char)(info->key_r & 255); chunk[10] = (unsigned char)(info->key_g >> 8); chunk[11] = (unsigned char)(info->key_g & 255); chunk[12] = (unsigned char)(info->key_b >> 8); chunk[13] = (unsigned char)(info->key_b & 255); } } if(chunk) lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_IDAT(ucvector* out, const unsigned char* data, size_t datasize, LodePNGCompressSettings* zlibsettings) { unsigned error = 0; unsigned char* zlib = 0; size_t zlibsize = 0; error = zlib_compress(&zlib, &zlibsize, data, datasize, zlibsettings); if(!error) { error = lodepng_chunk_createv(out, zlibsize, "IDAT", zlib); } lodepng_free(zlib); return error; } static unsigned addChunk_IEND(ucvector* out) { return lodepng_chunk_createv(out, 0, "IEND", 0); } #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS static unsigned addChunk_tEXt(ucvector* out, const char* keyword, const char* textstring) { unsigned char* chunk = 0; size_t keysize = lodepng_strlen(keyword), textsize = lodepng_strlen(textstring); size_t size = keysize + 1 + textsize; if(keysize < 1 || keysize > 79) return 89; /*error: invalid keyword size*/ CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, size, "tEXt")); lodepng_memcpy(chunk + 8, keyword, keysize); chunk[8 + keysize] = 0; /*null termination char*/ lodepng_memcpy(chunk + 9 + keysize, textstring, textsize); lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_zTXt(ucvector* out, const char* keyword, const char* textstring, LodePNGCompressSettings* zlibsettings) { unsigned error = 0; unsigned char* chunk = 0; unsigned char* compressed = 0; size_t compressedsize = 0; size_t textsize = lodepng_strlen(textstring); size_t keysize = lodepng_strlen(keyword); if(keysize < 1 || keysize > 79) return 89; /*error: invalid keyword size*/ error = zlib_compress(&compressed, &compressedsize, (const unsigned char*)textstring, textsize, zlibsettings); if(!error) { size_t size = keysize + 2 + compressedsize; error = lodepng_chunk_init(&chunk, out, size, "zTXt"); } if(!error) { lodepng_memcpy(chunk + 8, keyword, keysize); chunk[8 + keysize] = 0; /*null termination char*/ chunk[9 + keysize] = 0; /*compression method: 0*/ lodepng_memcpy(chunk + 10 + keysize, compressed, compressedsize); lodepng_chunk_generate_crc(chunk); } lodepng_free(compressed); return error; } static unsigned addChunk_iTXt(ucvector* out, unsigned compress, const char* keyword, const char* langtag, const char* transkey, const char* textstring, LodePNGCompressSettings* zlibsettings) { unsigned error = 0; unsigned char* chunk = 0; unsigned char* compressed = 0; size_t compressedsize = 0; size_t textsize = lodepng_strlen(textstring); size_t keysize = lodepng_strlen(keyword), langsize = lodepng_strlen(langtag), transsize = lodepng_strlen(transkey); if(keysize < 1 || keysize > 79) return 89; /*error: invalid keyword size*/ if(compress) { error = zlib_compress(&compressed, &compressedsize, (const unsigned char*)textstring, textsize, zlibsettings); } if(!error) { size_t size = keysize + 3 + langsize + 1 + transsize + 1 + (compress ? compressedsize : textsize); error = lodepng_chunk_init(&chunk, out, size, "iTXt"); } if(!error) { size_t pos = 8; lodepng_memcpy(chunk + pos, keyword, keysize); pos += keysize; chunk[pos++] = 0; /*null termination char*/ chunk[pos++] = (compress ? 1 : 0); /*compression flag*/ chunk[pos++] = 0; /*compression method: 0*/ lodepng_memcpy(chunk + pos, langtag, langsize); pos += langsize; chunk[pos++] = 0; /*null termination char*/ lodepng_memcpy(chunk + pos, transkey, transsize); pos += transsize; chunk[pos++] = 0; /*null termination char*/ if(compress) { lodepng_memcpy(chunk + pos, compressed, compressedsize); } else { lodepng_memcpy(chunk + pos, textstring, textsize); } lodepng_chunk_generate_crc(chunk); } lodepng_free(compressed); return error; } static unsigned addChunk_bKGD(ucvector* out, const LodePNGInfo* info) { unsigned char* chunk = 0; if(info->color.colortype == LCT_GREY || info->color.colortype == LCT_GREY_ALPHA) { CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 2, "bKGD")); chunk[8] = (unsigned char)(info->background_r >> 8); chunk[9] = (unsigned char)(info->background_r & 255); } else if(info->color.colortype == LCT_RGB || info->color.colortype == LCT_RGBA) { CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 6, "bKGD")); chunk[8] = (unsigned char)(info->background_r >> 8); chunk[9] = (unsigned char)(info->background_r & 255); chunk[10] = (unsigned char)(info->background_g >> 8); chunk[11] = (unsigned char)(info->background_g & 255); chunk[12] = (unsigned char)(info->background_b >> 8); chunk[13] = (unsigned char)(info->background_b & 255); } else if(info->color.colortype == LCT_PALETTE) { CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 1, "bKGD")); chunk[8] = (unsigned char)(info->background_r & 255); /*palette index*/ } if(chunk) lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_tIME(ucvector* out, const LodePNGTime* time) { unsigned char* chunk; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 7, "tIME")); chunk[8] = (unsigned char)(time->year >> 8); chunk[9] = (unsigned char)(time->year & 255); chunk[10] = (unsigned char)time->month; chunk[11] = (unsigned char)time->day; chunk[12] = (unsigned char)time->hour; chunk[13] = (unsigned char)time->minute; chunk[14] = (unsigned char)time->second; lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_pHYs(ucvector* out, const LodePNGInfo* info) { unsigned char* chunk; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 9, "pHYs")); lodepng_set32bitInt(chunk + 8, info->phys_x); lodepng_set32bitInt(chunk + 12, info->phys_y); chunk[16] = info->phys_unit; lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_gAMA(ucvector* out, const LodePNGInfo* info) { unsigned char* chunk; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 4, "gAMA")); lodepng_set32bitInt(chunk + 8, info->gama_gamma); lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_cHRM(ucvector* out, const LodePNGInfo* info) { unsigned char* chunk; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 32, "cHRM")); lodepng_set32bitInt(chunk + 8, info->chrm_white_x); lodepng_set32bitInt(chunk + 12, info->chrm_white_y); lodepng_set32bitInt(chunk + 16, info->chrm_red_x); lodepng_set32bitInt(chunk + 20, info->chrm_red_y); lodepng_set32bitInt(chunk + 24, info->chrm_green_x); lodepng_set32bitInt(chunk + 28, info->chrm_green_y); lodepng_set32bitInt(chunk + 32, info->chrm_blue_x); lodepng_set32bitInt(chunk + 36, info->chrm_blue_y); lodepng_chunk_generate_crc(chunk); return 0; } static unsigned addChunk_sRGB(ucvector* out, const LodePNGInfo* info) { unsigned char data = info->srgb_intent; return lodepng_chunk_createv(out, 1, "sRGB", &data); } static unsigned addChunk_iCCP(ucvector* out, const LodePNGInfo* info, LodePNGCompressSettings* zlibsettings) { unsigned error = 0; unsigned char* chunk = 0; unsigned char* compressed = 0; size_t compressedsize = 0; size_t keysize = lodepng_strlen(info->iccp_name); if(keysize < 1 || keysize > 79) return 89; /*error: invalid keyword size*/ error = zlib_compress(&compressed, &compressedsize, info->iccp_profile, info->iccp_profile_size, zlibsettings); if(!error) { size_t size = keysize + 2 + compressedsize; error = lodepng_chunk_init(&chunk, out, size, "iCCP"); } if(!error) { lodepng_memcpy(chunk + 8, info->iccp_name, keysize); chunk[8 + keysize] = 0; /*null termination char*/ chunk[9 + keysize] = 0; /*compression method: 0*/ lodepng_memcpy(chunk + 10 + keysize, compressed, compressedsize); lodepng_chunk_generate_crc(chunk); } lodepng_free(compressed); return error; } static unsigned addChunk_sBIT(ucvector* out, const LodePNGInfo* info) { unsigned bitdepth = (info->color.colortype == LCT_PALETTE) ? 8 : info->color.bitdepth; unsigned char* chunk = 0; if(info->color.colortype == LCT_GREY) { if(info->sbit_r == 0 || info->sbit_r > bitdepth) return 115; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 1, "sBIT")); chunk[8] = info->sbit_r; } else if(info->color.colortype == LCT_RGB || info->color.colortype == LCT_PALETTE) { if(info->sbit_r == 0 || info->sbit_g == 0 || info->sbit_b == 0) return 115; if(info->sbit_r > bitdepth || info->sbit_g > bitdepth || info->sbit_b > bitdepth) return 115; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 3, "sBIT")); chunk[8] = info->sbit_r; chunk[9] = info->sbit_g; chunk[10] = info->sbit_b; } else if(info->color.colortype == LCT_GREY_ALPHA) { if(info->sbit_r == 0 || info->sbit_a == 0) return 115; if(info->sbit_r > bitdepth || info->sbit_a > bitdepth) return 115; CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 2, "sBIT")); chunk[8] = info->sbit_r; chunk[9] = info->sbit_a; } else if(info->color.colortype == LCT_RGBA) { if(info->sbit_r == 0 || info->sbit_g == 0 || info->sbit_b == 0 || info->sbit_a == 0 || info->sbit_r > bitdepth || info->sbit_g > bitdepth || info->sbit_b > bitdepth || info->sbit_a > bitdepth) { return 115; } CERROR_TRY_RETURN(lodepng_chunk_init(&chunk, out, 4, "sBIT")); chunk[8] = info->sbit_r; chunk[9] = info->sbit_g; chunk[10] = info->sbit_b; chunk[11] = info->sbit_a; } if(chunk) lodepng_chunk_generate_crc(chunk); return 0; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ static void filterScanline(unsigned char* out, const unsigned char* scanline, const unsigned char* prevline, size_t length, size_t bytewidth, unsigned char filterType) { size_t i; switch(filterType) { case 0: /*None*/ for(i = 0; i != length; ++i) out[i] = scanline[i]; break; case 1: /*Sub*/ for(i = 0; i != bytewidth; ++i) out[i] = scanline[i]; for(i = bytewidth; i < length; ++i) out[i] = scanline[i] - scanline[i - bytewidth]; break; case 2: /*Up*/ if(prevline) { for(i = 0; i != length; ++i) out[i] = scanline[i] - prevline[i]; } else { for(i = 0; i != length; ++i) out[i] = scanline[i]; } break; case 3: /*Average*/ if(prevline) { for(i = 0; i != bytewidth; ++i) out[i] = scanline[i] - (prevline[i] >> 1); for(i = bytewidth; i < length; ++i) out[i] = scanline[i] - ((scanline[i - bytewidth] + prevline[i]) >> 1); } else { for(i = 0; i != bytewidth; ++i) out[i] = scanline[i]; for(i = bytewidth; i < length; ++i) out[i] = scanline[i] - (scanline[i - bytewidth] >> 1); } break; case 4: /*Paeth*/ if(prevline) { /*paethPredictor(0, prevline[i], 0) is always prevline[i]*/ for(i = 0; i != bytewidth; ++i) out[i] = (scanline[i] - prevline[i]); for(i = bytewidth; i < length; ++i) { out[i] = (scanline[i] - paethPredictor(scanline[i - bytewidth], prevline[i], prevline[i - bytewidth])); } } else { for(i = 0; i != bytewidth; ++i) out[i] = scanline[i]; /*paethPredictor(scanline[i - bytewidth], 0, 0) is always scanline[i - bytewidth]*/ for(i = bytewidth; i < length; ++i) out[i] = (scanline[i] - scanline[i - bytewidth]); } break; default: return; /*invalid filter type given*/ } } /* integer binary logarithm, max return value is 31 */ static size_t ilog2(size_t i) { size_t result = 0; if(i >= 65536) { result += 16; i >>= 16; } if(i >= 256) { result += 8; i >>= 8; } if(i >= 16) { result += 4; i >>= 4; } if(i >= 4) { result += 2; i >>= 2; } if(i >= 2) { result += 1; /*i >>= 1;*/ } return result; } /* integer approximation for i * log2(i), helper function for LFS_ENTROPY */ static size_t ilog2i(size_t i) { size_t l; if(i == 0) return 0; l = ilog2(i); /* approximate i*log2(i): l is integer logarithm, ((i - (1u << l)) << 1u) linearly approximates the missing fractional part multiplied by i */ return i * l + ((i - (1u << l)) << 1u); } static unsigned filter(unsigned char* out, const unsigned char* in, unsigned w, unsigned h, const LodePNGColorMode* color, const LodePNGEncoderSettings* settings) { /* For PNG filter method 0 out must be a buffer with as size: h + (w * h * bpp + 7u) / 8u, because there are the scanlines with 1 extra byte per scanline */ unsigned bpp = lodepng_get_bpp(color); /*the width of a scanline in bytes, not including the filter type*/ size_t linebytes = lodepng_get_raw_size_idat(w, 1, bpp) - 1u; /*bytewidth is used for filtering, is 1 when bpp < 8, number of bytes per pixel otherwise*/ size_t bytewidth = (bpp + 7u) / 8u; const unsigned char* prevline = 0; unsigned x, y; unsigned error = 0; LodePNGFilterStrategy strategy = settings->filter_strategy; /* There is a heuristic called the minimum sum of absolute differences heuristic, suggested by the PNG standard: * If the image type is Palette, or the bit depth is smaller than 8, then do not filter the image (i.e. use fixed filtering, with the filter None). * (The other case) If the image type is Grayscale or RGB (with or without Alpha), and the bit depth is not smaller than 8, then use adaptive filtering heuristic as follows: independently for each row, apply all five filters and select the filter that produces the smallest sum of absolute values per row. This heuristic is used if filter strategy is LFS_MINSUM and filter_palette_zero is true. If filter_palette_zero is true and filter_strategy is not LFS_MINSUM, the above heuristic is followed, but for "the other case", whatever strategy filter_strategy is set to instead of the minimum sum heuristic is used. */ if(settings->filter_palette_zero && (color->colortype == LCT_PALETTE || color->bitdepth < 8)) strategy = LFS_ZERO; if(bpp == 0) return 31; /*error: invalid color type*/ if(strategy >= LFS_ZERO && strategy <= LFS_FOUR) { unsigned char type = (unsigned char)strategy; for(y = 0; y != h; ++y) { size_t outindex = (1 + linebytes) * y; /*the extra filterbyte added to each row*/ size_t inindex = linebytes * y; out[outindex] = type; /*filter type byte*/ filterScanline(&out[outindex + 1], &in[inindex], prevline, linebytes, bytewidth, type); prevline = &in[inindex]; } } else if(strategy == LFS_MINSUM) { /*adaptive filtering*/ unsigned char* attempt[5]; /*five filtering attempts, one for each filter type*/ size_t smallest = 0; unsigned char type, bestType = 0; for(type = 0; type != 5; ++type) { attempt[type] = (unsigned char*)lodepng_malloc(linebytes); if(!attempt[type]) error = 83; /*alloc fail*/ } if(!error) { for(y = 0; y != h; ++y) { /*try the 5 filter types*/ for(type = 0; type != 5; ++type) { size_t sum = 0; filterScanline(attempt[type], &in[y * linebytes], prevline, linebytes, bytewidth, type); /*calculate the sum of the result*/ if(type == 0) { for(x = 0; x != linebytes; ++x) sum += (unsigned char)(attempt[type][x]); } else { for(x = 0; x != linebytes; ++x) { /*For differences, each byte should be treated as signed, values above 127 are negative (converted to signed char). Filtertype 0 isn't a difference though, so use unsigned there. This means filtertype 0 is almost never chosen, but that is justified.*/ unsigned char s = attempt[type][x]; sum += s < 128 ? s : (255U - s); } } /*check if this is smallest sum (or if type == 0 it's the first case so always store the values)*/ if(type == 0 || sum < smallest) { bestType = type; smallest = sum; } } prevline = &in[y * linebytes]; /*now fill the out values*/ out[y * (linebytes + 1)] = bestType; /*the first byte of a scanline will be the filter type*/ for(x = 0; x != linebytes; ++x) out[y * (linebytes + 1) + 1 + x] = attempt[bestType][x]; } } for(type = 0; type != 5; ++type) lodepng_free(attempt[type]); } else if(strategy == LFS_ENTROPY) { unsigned char* attempt[5]; /*five filtering attempts, one for each filter type*/ size_t bestSum = 0; unsigned type, bestType = 0; unsigned count[256]; for(type = 0; type != 5; ++type) { attempt[type] = (unsigned char*)lodepng_malloc(linebytes); if(!attempt[type]) error = 83; /*alloc fail*/ } if(!error) { for(y = 0; y != h; ++y) { /*try the 5 filter types*/ for(type = 0; type != 5; ++type) { size_t sum = 0; filterScanline(attempt[type], &in[y * linebytes], prevline, linebytes, bytewidth, type); lodepng_memset(count, 0, 256 * sizeof(*count)); for(x = 0; x != linebytes; ++x) ++count[attempt[type][x]]; ++count[type]; /*the filter type itself is part of the scanline*/ for(x = 0; x != 256; ++x) { sum += ilog2i(count[x]); } /*check if this is smallest sum (or if type == 0 it's the first case so always store the values)*/ if(type == 0 || sum > bestSum) { bestType = type; bestSum = sum; } } prevline = &in[y * linebytes]; /*now fill the out values*/ out[y * (linebytes + 1)] = bestType; /*the first byte of a scanline will be the filter type*/ for(x = 0; x != linebytes; ++x) out[y * (linebytes + 1) + 1 + x] = attempt[bestType][x]; } } for(type = 0; type != 5; ++type) lodepng_free(attempt[type]); } else if(strategy == LFS_PREDEFINED) { for(y = 0; y != h; ++y) { size_t outindex = (1 + linebytes) * y; /*the extra filterbyte added to each row*/ size_t inindex = linebytes * y; unsigned char type = settings->predefined_filters[y]; out[outindex] = type; /*filter type byte*/ filterScanline(&out[outindex + 1], &in[inindex], prevline, linebytes, bytewidth, type); prevline = &in[inindex]; } } else if(strategy == LFS_BRUTE_FORCE) { /*brute force filter chooser. deflate the scanline after every filter attempt to see which one deflates best. This is very slow and gives only slightly smaller, sometimes even larger, result*/ size_t size[5]; unsigned char* attempt[5]; /*five filtering attempts, one for each filter type*/ size_t smallest = 0; unsigned type = 0, bestType = 0; unsigned char* dummy; LodePNGCompressSettings zlibsettings; lodepng_memcpy(&zlibsettings, &settings->zlibsettings, sizeof(LodePNGCompressSettings)); /*use fixed tree on the attempts so that the tree is not adapted to the filtertype on purpose, to simulate the true case where the tree is the same for the whole image. Sometimes it gives better result with dynamic tree anyway. Using the fixed tree sometimes gives worse, but in rare cases better compression. It does make this a bit less slow, so it's worth doing this.*/ zlibsettings.btype = 1; /*a custom encoder likely doesn't read the btype setting and is optimized for complete PNG images only, so disable it*/ zlibsettings.custom_zlib = 0; zlibsettings.custom_deflate = 0; for(type = 0; type != 5; ++type) { attempt[type] = (unsigned char*)lodepng_malloc(linebytes); if(!attempt[type]) error = 83; /*alloc fail*/ } if(!error) { for(y = 0; y != h; ++y) /*try the 5 filter types*/ { for(type = 0; type != 5; ++type) { unsigned testsize = (unsigned)linebytes; /*if(testsize > 8) testsize /= 8;*/ /*it already works good enough by testing a part of the row*/ filterScanline(attempt[type], &in[y * linebytes], prevline, linebytes, bytewidth, type); size[type] = 0; dummy = 0; zlib_compress(&dummy, &size[type], attempt[type], testsize, &zlibsettings); lodepng_free(dummy); /*check if this is smallest size (or if type == 0 it's the first case so always store the values)*/ if(type == 0 || size[type] < smallest) { bestType = type; smallest = size[type]; } } prevline = &in[y * linebytes]; out[y * (linebytes + 1)] = bestType; /*the first byte of a scanline will be the filter type*/ for(x = 0; x != linebytes; ++x) out[y * (linebytes + 1) + 1 + x] = attempt[bestType][x]; } } for(type = 0; type != 5; ++type) lodepng_free(attempt[type]); } else return 88; /* unknown filter strategy */ return error; } static void addPaddingBits(unsigned char* out, const unsigned char* in, size_t olinebits, size_t ilinebits, unsigned h) { /*The opposite of the removePaddingBits function olinebits must be >= ilinebits*/ unsigned y; size_t diff = olinebits - ilinebits; size_t obp = 0, ibp = 0; /*bit pointers*/ for(y = 0; y != h; ++y) { size_t x; for(x = 0; x < ilinebits; ++x) { unsigned char bit = readBitFromReversedStream(&ibp, in); setBitOfReversedStream(&obp, out, bit); } /*obp += diff; --> no, fill in some value in the padding bits too, to avoid "Use of uninitialised value of size ###" warning from valgrind*/ for(x = 0; x != diff; ++x) setBitOfReversedStream(&obp, out, 0); } } /* in: non-interlaced image with size w*h out: the same pixels, but re-ordered according to PNG's Adam7 interlacing, with no padding bits between scanlines, but between reduced images so that each reduced image starts at a byte. bpp: bits per pixel there are no padding bits, not between scanlines, not between reduced images in has the following size in bits: w * h * bpp. out is possibly bigger due to padding bits between reduced images NOTE: comments about padding bits are only relevant if bpp < 8 */ static void Adam7_interlace(unsigned char* out, const unsigned char* in, unsigned w, unsigned h, unsigned bpp) { unsigned passw[7], passh[7]; size_t filter_passstart[8], padded_passstart[8], passstart[8]; unsigned i; Adam7_getpassvalues(passw, passh, filter_passstart, padded_passstart, passstart, w, h, bpp); if(bpp >= 8) { for(i = 0; i != 7; ++i) { unsigned x, y, b; size_t bytewidth = bpp / 8u; for(y = 0; y < passh[i]; ++y) for(x = 0; x < passw[i]; ++x) { size_t pixelinstart = ((ADAM7_IY[i] + y * ADAM7_DY[i]) * w + ADAM7_IX[i] + x * ADAM7_DX[i]) * bytewidth; size_t pixeloutstart = passstart[i] + (y * passw[i] + x) * bytewidth; for(b = 0; b < bytewidth; ++b) { out[pixeloutstart + b] = in[pixelinstart + b]; } } } } else /*bpp < 8: Adam7 with pixels < 8 bit is a bit trickier: with bit pointers*/ { for(i = 0; i != 7; ++i) { unsigned x, y, b; unsigned ilinebits = bpp * passw[i]; unsigned olinebits = bpp * w; size_t obp, ibp; /*bit pointers (for out and in buffer)*/ for(y = 0; y < passh[i]; ++y) for(x = 0; x < passw[i]; ++x) { ibp = (ADAM7_IY[i] + y * ADAM7_DY[i]) * olinebits + (ADAM7_IX[i] + x * ADAM7_DX[i]) * bpp; obp = (8 * passstart[i]) + (y * ilinebits + x * bpp); for(b = 0; b < bpp; ++b) { unsigned char bit = readBitFromReversedStream(&ibp, in); setBitOfReversedStream(&obp, out, bit); } } } } } /*out must be buffer big enough to contain uncompressed IDAT chunk data, and in must contain the full image. return value is error**/ static unsigned preProcessScanlines(unsigned char** out, size_t* outsize, const unsigned char* in, unsigned w, unsigned h, const LodePNGInfo* info_png, const LodePNGEncoderSettings* settings) { /* This function converts the pure 2D image with the PNG's colortype, into filtered-padded-interlaced data. Steps: *) if no Adam7: 1) add padding bits (= possible extra bits per scanline if bpp < 8) 2) filter *) if adam7: 1) Adam7_interlace 2) 7x add padding bits 3) 7x filter */ unsigned bpp = lodepng_get_bpp(&info_png->color); unsigned error = 0; if(info_png->interlace_method == 0) { *outsize = h + (h * ((w * bpp + 7u) / 8u)); /*image size plus an extra byte per scanline + possible padding bits*/ *out = (unsigned char*)lodepng_malloc(*outsize); if(!(*out) && (*outsize)) error = 83; /*alloc fail*/ if(!error) { /*non multiple of 8 bits per scanline, padding bits needed per scanline*/ if(bpp < 8 && w * bpp != ((w * bpp + 7u) / 8u) * 8u) { unsigned char* padded = (unsigned char*)lodepng_malloc(h * ((w * bpp + 7u) / 8u)); if(!padded) error = 83; /*alloc fail*/ if(!error) { addPaddingBits(padded, in, ((w * bpp + 7u) / 8u) * 8u, w * bpp, h); error = filter(*out, padded, w, h, &info_png->color, settings); } lodepng_free(padded); } else { /*we can immediately filter into the out buffer, no other steps needed*/ error = filter(*out, in, w, h, &info_png->color, settings); } } } else /*interlace_method is 1 (Adam7)*/ { unsigned passw[7], passh[7]; size_t filter_passstart[8], padded_passstart[8], passstart[8]; unsigned char* adam7; Adam7_getpassvalues(passw, passh, filter_passstart, padded_passstart, passstart, w, h, bpp); *outsize = filter_passstart[7]; /*image size plus an extra byte per scanline + possible padding bits*/ *out = (unsigned char*)lodepng_malloc(*outsize); if(!(*out)) error = 83; /*alloc fail*/ adam7 = (unsigned char*)lodepng_malloc(passstart[7]); if(!adam7 && passstart[7]) error = 83; /*alloc fail*/ if(!error) { unsigned i; Adam7_interlace(adam7, in, w, h, bpp); for(i = 0; i != 7; ++i) { if(bpp < 8) { unsigned char* padded = (unsigned char*)lodepng_malloc(padded_passstart[i + 1] - padded_passstart[i]); if(!padded) ERROR_BREAK(83); /*alloc fail*/ addPaddingBits(padded, &adam7[passstart[i]], ((passw[i] * bpp + 7u) / 8u) * 8u, passw[i] * bpp, passh[i]); error = filter(&(*out)[filter_passstart[i]], padded, passw[i], passh[i], &info_png->color, settings); lodepng_free(padded); } else { error = filter(&(*out)[filter_passstart[i]], &adam7[padded_passstart[i]], passw[i], passh[i], &info_png->color, settings); } if(error) break; } } lodepng_free(adam7); } return error; } #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS static unsigned addUnknownChunks(ucvector* out, unsigned char* data, size_t datasize) { unsigned char* inchunk = data; while((size_t)(inchunk - data) < datasize) { CERROR_TRY_RETURN(lodepng_chunk_append(&out->data, &out->size, inchunk)); out->allocsize = out->size; /*fix the allocsize again*/ inchunk = lodepng_chunk_next(inchunk, data + datasize); } return 0; } static unsigned isGrayICCProfile(const unsigned char* profile, unsigned size) { /* It is a gray profile if bytes 16-19 are "GRAY", rgb profile if bytes 16-19 are "RGB ". We do not perform any full parsing of the ICC profile here, other than check those 4 bytes to grayscale profile. Other than that, validity of the profile is not checked. This is needed only because the PNG specification requires using a non-gray color model if there is an ICC profile with "RGB " (sadly limiting compression opportunities if the input data is grayscale RGB data), and requires using a gray color model if it is "GRAY". */ if(size < 20) return 0; return profile[16] == 'G' && profile[17] == 'R' && profile[18] == 'A' && profile[19] == 'Y'; } static unsigned isRGBICCProfile(const unsigned char* profile, unsigned size) { /* See comment in isGrayICCProfile*/ if(size < 20) return 0; return profile[16] == 'R' && profile[17] == 'G' && profile[18] == 'B' && profile[19] == ' '; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ unsigned lodepng_encode(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h, LodePNGState* state) { unsigned char* data = 0; /*uncompressed version of the IDAT chunk data*/ size_t datasize = 0; ucvector outv = ucvector_init(NULL, 0); LodePNGInfo info; const LodePNGInfo* info_png = &state->info_png; LodePNGColorMode auto_color; lodepng_info_init(&info); lodepng_color_mode_init(&auto_color); /*provide some proper output values if error will happen*/ *out = 0; *outsize = 0; state->error = 0; /*check input values validity*/ if((info_png->color.colortype == LCT_PALETTE || state->encoder.force_palette) && (info_png->color.palettesize == 0 || info_png->color.palettesize > 256)) { /*this error is returned even if auto_convert is enabled and thus encoder could generate the palette by itself: while allowing this could be possible in theory, it may complicate the code or edge cases, and always requiring to give a palette when setting this color type is a simpler contract*/ state->error = 68; /*invalid palette size, it is only allowed to be 1-256*/ goto cleanup; } if(state->encoder.zlibsettings.btype > 2) { state->error = 61; /*error: invalid btype*/ goto cleanup; } if(info_png->interlace_method > 1) { state->error = 71; /*error: invalid interlace mode*/ goto cleanup; } state->error = checkColorValidity(info_png->color.colortype, info_png->color.bitdepth); if(state->error) goto cleanup; /*error: invalid color type given*/ state->error = checkColorValidity(state->info_raw.colortype, state->info_raw.bitdepth); if(state->error) goto cleanup; /*error: invalid color type given*/ /* color convert and compute scanline filter types */ lodepng_info_copy(&info, &state->info_png); if(state->encoder.auto_convert) { LodePNGColorStats stats; unsigned allow_convert = 1; lodepng_color_stats_init(&stats); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS if(info_png->iccp_defined && isGrayICCProfile(info_png->iccp_profile, info_png->iccp_profile_size)) { /*the PNG specification does not allow to use palette with a GRAY ICC profile, even if the palette has only gray colors, so disallow it.*/ stats.allow_palette = 0; } if(info_png->iccp_defined && isRGBICCProfile(info_png->iccp_profile, info_png->iccp_profile_size)) { /*the PNG specification does not allow to use grayscale color with RGB ICC profile, so disallow gray.*/ stats.allow_greyscale = 0; } #endif /* LODEPNG_COMPILE_ANCILLARY_CHUNKS */ state->error = lodepng_compute_color_stats(&stats, image, w, h, &state->info_raw); if(state->error) goto cleanup; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS if(info_png->background_defined) { /*the background chunk's color must be taken into account as well*/ unsigned r = 0, g = 0, b = 0; LodePNGColorMode mode16 = lodepng_color_mode_make(LCT_RGB, 16); lodepng_convert_rgb(&r, &g, &b, info_png->background_r, info_png->background_g, info_png->background_b, &mode16, &info_png->color); state->error = lodepng_color_stats_add(&stats, r, g, b, 65535); if(state->error) goto cleanup; } #endif /* LODEPNG_COMPILE_ANCILLARY_CHUNKS */ state->error = auto_choose_color(&auto_color, &state->info_raw, &stats); if(state->error) goto cleanup; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS if(info_png->sbit_defined) { /*if sbit is defined, due to strict requirements of which sbit values can be present for which color modes, auto_convert can't be done in many cases. However, do support a few cases here. TODO: more conversions may be possible, and it may also be possible to get a more appropriate color type out of auto_choose_color if knowledge about sbit is used beforehand */ unsigned sbit_max = LODEPNG_MAX(LODEPNG_MAX(LODEPNG_MAX(info_png->sbit_r, info_png->sbit_g), info_png->sbit_b), info_png->sbit_a); unsigned equal = (!info_png->sbit_g || info_png->sbit_g == info_png->sbit_r) && (!info_png->sbit_b || info_png->sbit_b == info_png->sbit_r) && (!info_png->sbit_a || info_png->sbit_a == info_png->sbit_r); allow_convert = 0; if(info.color.colortype == LCT_PALETTE && auto_color.colortype == LCT_PALETTE) { /* input and output are palette, and in this case it may happen that palette data is expected to be copied from info_raw into the info_png */ allow_convert = 1; } /*going from 8-bit RGB to palette (or 16-bit as long as sbit_max <= 8) is possible since both are 8-bit RGB for sBIT's purposes*/ if(info.color.colortype == LCT_RGB && auto_color.colortype == LCT_PALETTE && sbit_max <= 8) { allow_convert = 1; } /*going from 8-bit RGBA to palette is also ok but only if sbit_a is exactly 8*/ if(info.color.colortype == LCT_RGBA && auto_color.colortype == LCT_PALETTE && info_png->sbit_a == 8 && sbit_max <= 8) { allow_convert = 1; } /*going from 16-bit RGB(A) to 8-bit RGB(A) is ok if all sbit values are <= 8*/ if((info.color.colortype == LCT_RGB || info.color.colortype == LCT_RGBA) && info.color.bitdepth == 16 && auto_color.colortype == info.color.colortype && auto_color.bitdepth == 8 && sbit_max <= 8) { allow_convert = 1; } /*going to less channels is ok if all bit values are equal (all possible values in sbit, as well as the chosen bitdepth of the result). Due to how auto_convert works, we already know that auto_color.colortype has less than or equal amount of channels than info.colortype. Palette is not used here. This conversion is not allowed if info_png->sbit_r < auto_color.bitdepth, because specifically for alpha, non-presence of an sbit value heavily implies that alpha's bit depth is equal to the PNG bit depth (rather than the bit depths set in the r, g and b sbit values, by how the PNG specification describes handling tRNS chunk case with sBIT), so be conservative here about ignoring user input.*/ if(info.color.colortype != LCT_PALETTE && auto_color.colortype != LCT_PALETTE && equal && info_png->sbit_r == auto_color.bitdepth) { allow_convert = 1; } } #endif if(state->encoder.force_palette) { if(info.color.colortype != LCT_GREY && info.color.colortype != LCT_GREY_ALPHA && (auto_color.colortype == LCT_GREY || auto_color.colortype == LCT_GREY_ALPHA)) { /*user speficially forced a PLTE palette, so cannot convert to grayscale types because the PNG specification only allows writing a suggested palette in PLTE for truecolor types*/ allow_convert = 0; } } if(allow_convert) { lodepng_color_mode_copy(&info.color, &auto_color); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*also convert the background chunk*/ if(info_png->background_defined) { if(lodepng_convert_rgb(&info.background_r, &info.background_g, &info.background_b, info_png->background_r, info_png->background_g, info_png->background_b, &info.color, &info_png->color)) { state->error = 104; goto cleanup; } } #endif /* LODEPNG_COMPILE_ANCILLARY_CHUNKS */ } } #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS if(info_png->iccp_defined) { unsigned gray_icc = isGrayICCProfile(info_png->iccp_profile, info_png->iccp_profile_size); unsigned rgb_icc = isRGBICCProfile(info_png->iccp_profile, info_png->iccp_profile_size); unsigned gray_png = info.color.colortype == LCT_GREY || info.color.colortype == LCT_GREY_ALPHA; if(!gray_icc && !rgb_icc) { state->error = 100; /* Disallowed profile color type for PNG */ goto cleanup; } if(gray_icc != gray_png) { /*Not allowed to use RGB/RGBA/palette with GRAY ICC profile or vice versa, or in case of auto_convert, it wasn't possible to find appropriate model*/ state->error = state->encoder.auto_convert ? 102 : 101; goto cleanup; } } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ if(!lodepng_color_mode_equal(&state->info_raw, &info.color)) { unsigned char* converted; size_t size = ((size_t)w * (size_t)h * (size_t)lodepng_get_bpp(&info.color) + 7u) / 8u; converted = (unsigned char*)lodepng_malloc(size); if(!converted && size) state->error = 83; /*alloc fail*/ if(!state->error) { state->error = lodepng_convert(converted, image, &info.color, &state->info_raw, w, h); } if(!state->error) { state->error = preProcessScanlines(&data, &datasize, converted, w, h, &info, &state->encoder); } lodepng_free(converted); if(state->error) goto cleanup; } else { state->error = preProcessScanlines(&data, &datasize, image, w, h, &info, &state->encoder); if(state->error) goto cleanup; } /* output all PNG chunks */ { #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS size_t i; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /*write signature and chunks*/ state->error = writeSignature(&outv); if(state->error) goto cleanup; /*IHDR*/ state->error = addChunk_IHDR(&outv, w, h, info.color.colortype, info.color.bitdepth, info.interlace_method); if(state->error) goto cleanup; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*unknown chunks between IHDR and PLTE*/ if(info.unknown_chunks_data[0]) { state->error = addUnknownChunks(&outv, info.unknown_chunks_data[0], info.unknown_chunks_size[0]); if(state->error) goto cleanup; } /*color profile chunks must come before PLTE */ if(info.iccp_defined) { state->error = addChunk_iCCP(&outv, &info, &state->encoder.zlibsettings); if(state->error) goto cleanup; } if(info.srgb_defined) { state->error = addChunk_sRGB(&outv, &info); if(state->error) goto cleanup; } if(info.gama_defined) { state->error = addChunk_gAMA(&outv, &info); if(state->error) goto cleanup; } if(info.chrm_defined) { state->error = addChunk_cHRM(&outv, &info); if(state->error) goto cleanup; } if(info_png->sbit_defined) { state->error = addChunk_sBIT(&outv, &info); if(state->error) goto cleanup; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /*PLTE*/ if(info.color.colortype == LCT_PALETTE) { state->error = addChunk_PLTE(&outv, &info.color); if(state->error) goto cleanup; } if(state->encoder.force_palette && (info.color.colortype == LCT_RGB || info.color.colortype == LCT_RGBA)) { /*force_palette means: write suggested palette for truecolor in PLTE chunk*/ state->error = addChunk_PLTE(&outv, &info.color); if(state->error) goto cleanup; } /*tRNS (this will only add if when necessary) */ state->error = addChunk_tRNS(&outv, &info.color); if(state->error) goto cleanup; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*bKGD (must come between PLTE and the IDAt chunks*/ if(info.background_defined) { state->error = addChunk_bKGD(&outv, &info); if(state->error) goto cleanup; } /*pHYs (must come before the IDAT chunks)*/ if(info.phys_defined) { state->error = addChunk_pHYs(&outv, &info); if(state->error) goto cleanup; } /*unknown chunks between PLTE and IDAT*/ if(info.unknown_chunks_data[1]) { state->error = addUnknownChunks(&outv, info.unknown_chunks_data[1], info.unknown_chunks_size[1]); if(state->error) goto cleanup; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /*IDAT (multiple IDAT chunks must be consecutive)*/ state->error = addChunk_IDAT(&outv, data, datasize, &state->encoder.zlibsettings); if(state->error) goto cleanup; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*tIME*/ if(info.time_defined) { state->error = addChunk_tIME(&outv, &info.time); if(state->error) goto cleanup; } /*tEXt and/or zTXt*/ for(i = 0; i != info.text_num; ++i) { if(lodepng_strlen(info.text_keys[i]) > 79) { state->error = 66; /*text chunk too large*/ goto cleanup; } if(lodepng_strlen(info.text_keys[i]) < 1) { state->error = 67; /*text chunk too small*/ goto cleanup; } if(state->encoder.text_compression) { state->error = addChunk_zTXt(&outv, info.text_keys[i], info.text_strings[i], &state->encoder.zlibsettings); if(state->error) goto cleanup; } else { state->error = addChunk_tEXt(&outv, info.text_keys[i], info.text_strings[i]); if(state->error) goto cleanup; } } /*LodePNG version id in text chunk*/ if(state->encoder.add_id) { unsigned already_added_id_text = 0; for(i = 0; i != info.text_num; ++i) { const char* k = info.text_keys[i]; /* Could use strcmp, but we're not calling or reimplementing this C library function for this use only */ if(k[0] == 'L' && k[1] == 'o' && k[2] == 'd' && k[3] == 'e' && k[4] == 'P' && k[5] == 'N' && k[6] == 'G' && k[7] == '\0') { already_added_id_text = 1; break; } } if(already_added_id_text == 0) { state->error = addChunk_tEXt(&outv, "LodePNG", LODEPNG_VERSION_STRING); /*it's shorter as tEXt than as zTXt chunk*/ if(state->error) goto cleanup; } } /*iTXt*/ for(i = 0; i != info.itext_num; ++i) { if(lodepng_strlen(info.itext_keys[i]) > 79) { state->error = 66; /*text chunk too large*/ goto cleanup; } if(lodepng_strlen(info.itext_keys[i]) < 1) { state->error = 67; /*text chunk too small*/ goto cleanup; } state->error = addChunk_iTXt( &outv, state->encoder.text_compression, info.itext_keys[i], info.itext_langtags[i], info.itext_transkeys[i], info.itext_strings[i], &state->encoder.zlibsettings); if(state->error) goto cleanup; } /*unknown chunks between IDAT and IEND*/ if(info.unknown_chunks_data[2]) { state->error = addUnknownChunks(&outv, info.unknown_chunks_data[2], info.unknown_chunks_size[2]); if(state->error) goto cleanup; } #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ state->error = addChunk_IEND(&outv); if(state->error) goto cleanup; } cleanup: lodepng_info_cleanup(&info); lodepng_free(data); lodepng_color_mode_cleanup(&auto_color); /*instead of cleaning the vector up, give it to the output*/ *out = outv.data; *outsize = outv.size; return state->error; } unsigned lodepng_encode_memory(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { unsigned error; LodePNGState state; lodepng_state_init(&state); state.info_raw.colortype = colortype; state.info_raw.bitdepth = bitdepth; state.info_png.color.colortype = colortype; state.info_png.color.bitdepth = bitdepth; lodepng_encode(out, outsize, image, w, h, &state); error = state.error; lodepng_state_cleanup(&state); return error; } unsigned lodepng_encode32(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h) { return lodepng_encode_memory(out, outsize, image, w, h, LCT_RGBA, 8); } unsigned lodepng_encode24(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h) { return lodepng_encode_memory(out, outsize, image, w, h, LCT_RGB, 8); } #ifdef LODEPNG_COMPILE_DISK unsigned lodepng_encode_file(const char* filename, const unsigned char* image, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { unsigned char* buffer; size_t buffersize; unsigned error = lodepng_encode_memory(&buffer, &buffersize, image, w, h, colortype, bitdepth); if(!error) error = lodepng_save_file(buffer, buffersize, filename); lodepng_free(buffer); return error; } unsigned lodepng_encode32_file(const char* filename, const unsigned char* image, unsigned w, unsigned h) { return lodepng_encode_file(filename, image, w, h, LCT_RGBA, 8); } unsigned lodepng_encode24_file(const char* filename, const unsigned char* image, unsigned w, unsigned h) { return lodepng_encode_file(filename, image, w, h, LCT_RGB, 8); } #endif /*LODEPNG_COMPILE_DISK*/ void lodepng_encoder_settings_init(LodePNGEncoderSettings* settings) { lodepng_compress_settings_init(&settings->zlibsettings); settings->filter_palette_zero = 1; settings->filter_strategy = LFS_MINSUM; settings->auto_convert = 1; settings->force_palette = 0; settings->predefined_filters = 0; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS settings->add_id = 0; settings->text_compression = 1; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } #endif /*LODEPNG_COMPILE_ENCODER*/ #endif /*LODEPNG_COMPILE_PNG*/ #ifdef LODEPNG_COMPILE_ERROR_TEXT /* This returns the description of a numerical error code in English. This is also the documentation of all the error codes. */ const char* lodepng_error_text(unsigned code) { switch(code) { case 0: return "no error, everything went ok"; case 1: return "nothing done yet"; /*the Encoder/Decoder has done nothing yet, error checking makes no sense yet*/ case 10: return "end of input memory reached without huffman end code"; /*while huffman decoding*/ case 11: return "error in code tree made it jump outside of huffman tree"; /*while huffman decoding*/ case 13: return "problem while processing dynamic deflate block"; case 14: return "problem while processing dynamic deflate block"; case 15: return "problem while processing dynamic deflate block"; /*this error could happen if there are only 0 or 1 symbols present in the huffman code:*/ case 16: return "invalid code while processing dynamic deflate block"; case 17: return "end of out buffer memory reached while inflating"; case 18: return "invalid distance code while inflating"; case 19: return "end of out buffer memory reached while inflating"; case 20: return "invalid deflate block BTYPE encountered while decoding"; case 21: return "NLEN is not ones complement of LEN in a deflate block"; /*end of out buffer memory reached while inflating: This can happen if the inflated deflate data is longer than the amount of bytes required to fill up all the pixels of the image, given the color depth and image dimensions. Something that doesn't happen in a normal, well encoded, PNG image.*/ case 22: return "end of out buffer memory reached while inflating"; case 23: return "end of in buffer memory reached while inflating"; case 24: return "invalid FCHECK in zlib header"; case 25: return "invalid compression method in zlib header"; case 26: return "FDICT encountered in zlib header while it's not used for PNG"; case 27: return "PNG file is smaller than a PNG header"; /*Checks the magic file header, the first 8 bytes of the PNG file*/ case 28: return "incorrect PNG signature, it's no PNG or corrupted"; case 29: return "first chunk is not the header chunk"; case 30: return "chunk length too large, chunk broken off at end of file"; case 31: return "illegal PNG color type or bpp"; case 32: return "illegal PNG compression method"; case 33: return "illegal PNG filter method"; case 34: return "illegal PNG interlace method"; case 35: return "chunk length of a chunk is too large or the chunk too small"; case 36: return "illegal PNG filter type encountered"; case 37: return "illegal bit depth for this color type given"; case 38: return "the palette is too small or too big"; /*0, or more than 256 colors*/ case 39: return "tRNS chunk before PLTE or has more entries than palette size"; case 40: return "tRNS chunk has wrong size for grayscale image"; case 41: return "tRNS chunk has wrong size for RGB image"; case 42: return "tRNS chunk appeared while it was not allowed for this color type"; case 43: return "bKGD chunk has wrong size for palette image"; case 44: return "bKGD chunk has wrong size for grayscale image"; case 45: return "bKGD chunk has wrong size for RGB image"; case 48: return "empty input buffer given to decoder. Maybe caused by non-existing file?"; case 49: return "jumped past memory while generating dynamic huffman tree"; case 50: return "jumped past memory while generating dynamic huffman tree"; case 51: return "jumped past memory while inflating huffman block"; case 52: return "jumped past memory while inflating"; case 53: return "size of zlib data too small"; case 54: return "repeat symbol in tree while there was no value symbol yet"; /*jumped past tree while generating huffman tree, this could be when the tree will have more leaves than symbols after generating it out of the given lengths. They call this an oversubscribed dynamic bit lengths tree in zlib.*/ case 55: return "jumped past tree while generating huffman tree"; case 56: return "given output image colortype or bitdepth not supported for color conversion"; case 57: return "invalid CRC encountered (checking CRC can be disabled)"; case 58: return "invalid ADLER32 encountered (checking ADLER32 can be disabled)"; case 59: return "requested color conversion not supported"; case 60: return "invalid window size given in the settings of the encoder (must be 0-32768)"; case 61: return "invalid BTYPE given in the settings of the encoder (only 0, 1 and 2 are allowed)"; /*LodePNG leaves the choice of RGB to grayscale conversion formula to the user.*/ case 62: return "conversion from color to grayscale not supported"; /*(2^31-1)*/ case 63: return "length of a chunk too long, max allowed for PNG is 2147483647 bytes per chunk"; /*this would result in the inability of a deflated block to ever contain an end code. It must be at least 1.*/ case 64: return "the length of the END symbol 256 in the Huffman tree is 0"; case 66: return "the length of a text chunk keyword given to the encoder is longer than the maximum of 79 bytes"; case 67: return "the length of a text chunk keyword given to the encoder is smaller than the minimum of 1 byte"; case 68: return "tried to encode a PLTE chunk with a palette that has less than 1 or more than 256 colors"; case 69: return "unknown chunk type with 'critical' flag encountered by the decoder"; case 71: return "invalid interlace mode given to encoder (must be 0 or 1)"; case 72: return "while decoding, invalid compression method encountering in zTXt or iTXt chunk (it must be 0)"; case 73: return "invalid tIME chunk size"; case 74: return "invalid pHYs chunk size"; /*length could be wrong, or data chopped off*/ case 75: return "no null termination char found while decoding text chunk"; case 76: return "iTXt chunk too short to contain required bytes"; case 77: return "integer overflow in buffer size"; case 78: return "failed to open file for reading"; /*file doesn't exist or couldn't be opened for reading*/ case 79: return "failed to open file for writing"; case 80: return "tried creating a tree of 0 symbols"; case 81: return "lazy matching at pos 0 is impossible"; case 82: return "color conversion to palette requested while a color isn't in palette, or index out of bounds"; case 83: return "memory allocation failed"; case 84: return "given image too small to contain all pixels to be encoded"; case 86: return "impossible offset in lz77 encoding (internal bug)"; case 87: return "must provide custom zlib function pointer if LODEPNG_COMPILE_ZLIB is not defined"; case 88: return "invalid filter strategy given for LodePNGEncoderSettings.filter_strategy"; case 89: return "text chunk keyword too short or long: must have size 1-79"; /*the windowsize in the LodePNGCompressSettings. Requiring POT(==> & instead of %) makes encoding 12% faster.*/ case 90: return "windowsize must be a power of two"; case 91: return "invalid decompressed idat size"; case 92: return "integer overflow due to too many pixels"; case 93: return "zero width or height is invalid"; case 94: return "header chunk must have a size of 13 bytes"; case 95: return "integer overflow with combined idat chunk size"; case 96: return "invalid gAMA chunk size"; case 97: return "invalid cHRM chunk size"; case 98: return "invalid sRGB chunk size"; case 99: return "invalid sRGB rendering intent"; case 100: return "invalid ICC profile color type, the PNG specification only allows RGB or GRAY"; case 101: return "PNG specification does not allow RGB ICC profile on gray color types and vice versa"; case 102: return "not allowed to set grayscale ICC profile with colored pixels by PNG specification"; case 103: return "invalid palette index in bKGD chunk. Maybe it came before PLTE chunk?"; case 104: return "invalid bKGD color while encoding (e.g. palette index out of range)"; case 105: return "integer overflow of bitsize"; case 106: return "PNG file must have PLTE chunk if color type is palette"; case 107: return "color convert from palette mode requested without setting the palette data in it"; case 108: return "tried to add more than 256 values to a palette"; /*this limit can be configured in LodePNGDecompressSettings*/ case 109: return "tried to decompress zlib or deflate data larger than desired max_output_size"; case 110: return "custom zlib or inflate decompression failed"; case 111: return "custom zlib or deflate compression failed"; /*max text size limit can be configured in LodePNGDecoderSettings. This error prevents unreasonable memory consumption when decoding due to impossibly large text sizes.*/ case 112: return "compressed text unreasonably large"; /*max ICC size limit can be configured in LodePNGDecoderSettings. This error prevents unreasonable memory consumption when decoding due to impossibly large ICC profile*/ case 113: return "ICC profile unreasonably large"; case 114: return "sBIT chunk has wrong size for the color type of the image"; case 115: return "sBIT value out of range"; } return "unknown error code"; } #endif /*LODEPNG_COMPILE_ERROR_TEXT*/ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ /* // C++ Wrapper // */ /* ////////////////////////////////////////////////////////////////////////// */ /* ////////////////////////////////////////////////////////////////////////// */ #ifdef LODEPNG_COMPILE_CPP namespace lodepng { #ifdef LODEPNG_COMPILE_DISK unsigned load_file(std::vector& buffer, const std::string& filename) { long size = lodepng_filesize(filename.c_str()); if(size < 0) return 78; buffer.resize((size_t)size); return size == 0 ? 0 : lodepng_buffer_file(&buffer[0], (size_t)size, filename.c_str()); } /*write given buffer to the file, overwriting the file, it doesn't append to it.*/ unsigned save_file(const std::vector& buffer, const std::string& filename) { return lodepng_save_file(buffer.empty() ? 0 : &buffer[0], buffer.size(), filename.c_str()); } #endif /* LODEPNG_COMPILE_DISK */ #ifdef LODEPNG_COMPILE_ZLIB #ifdef LODEPNG_COMPILE_DECODER unsigned decompress(std::vector& out, const unsigned char* in, size_t insize, const LodePNGDecompressSettings& settings) { unsigned char* buffer = 0; size_t buffersize = 0; unsigned error = zlib_decompress(&buffer, &buffersize, 0, in, insize, &settings); if(buffer) { out.insert(out.end(), buffer, &buffer[buffersize]); lodepng_free(buffer); } return error; } unsigned decompress(std::vector& out, const std::vector& in, const LodePNGDecompressSettings& settings) { return decompress(out, in.empty() ? 0 : &in[0], in.size(), settings); } #endif /* LODEPNG_COMPILE_DECODER */ #ifdef LODEPNG_COMPILE_ENCODER unsigned compress(std::vector& out, const unsigned char* in, size_t insize, const LodePNGCompressSettings& settings) { unsigned char* buffer = 0; size_t buffersize = 0; unsigned error = zlib_compress(&buffer, &buffersize, in, insize, &settings); if(buffer) { out.insert(out.end(), buffer, &buffer[buffersize]); lodepng_free(buffer); } return error; } unsigned compress(std::vector& out, const std::vector& in, const LodePNGCompressSettings& settings) { return compress(out, in.empty() ? 0 : &in[0], in.size(), settings); } #endif /* LODEPNG_COMPILE_ENCODER */ #endif /* LODEPNG_COMPILE_ZLIB */ #ifdef LODEPNG_COMPILE_PNG State::State() { lodepng_state_init(this); } State::State(const State& other) { lodepng_state_init(this); lodepng_state_copy(this, &other); } State::~State() { lodepng_state_cleanup(this); } State& State::operator=(const State& other) { lodepng_state_copy(this, &other); return *this; } #ifdef LODEPNG_COMPILE_DECODER unsigned decode(std::vector& out, unsigned& w, unsigned& h, const unsigned char* in, size_t insize, LodePNGColorType colortype, unsigned bitdepth) { unsigned char* buffer = 0; unsigned error = lodepng_decode_memory(&buffer, &w, &h, in, insize, colortype, bitdepth); if(buffer && !error) { State state; state.info_raw.colortype = colortype; state.info_raw.bitdepth = bitdepth; size_t buffersize = lodepng_get_raw_size(w, h, &state.info_raw); out.insert(out.end(), buffer, &buffer[buffersize]); } lodepng_free(buffer); return error; } unsigned decode(std::vector& out, unsigned& w, unsigned& h, const std::vector& in, LodePNGColorType colortype, unsigned bitdepth) { return decode(out, w, h, in.empty() ? 0 : &in[0], (unsigned)in.size(), colortype, bitdepth); } unsigned decode(std::vector& out, unsigned& w, unsigned& h, State& state, const unsigned char* in, size_t insize) { unsigned char* buffer = NULL; unsigned error = lodepng_decode(&buffer, &w, &h, &state, in, insize); if(buffer && !error) { size_t buffersize = lodepng_get_raw_size(w, h, &state.info_raw); out.insert(out.end(), buffer, &buffer[buffersize]); } lodepng_free(buffer); return error; } unsigned decode(std::vector& out, unsigned& w, unsigned& h, State& state, const std::vector& in) { return decode(out, w, h, state, in.empty() ? 0 : &in[0], in.size()); } #ifdef LODEPNG_COMPILE_DISK unsigned decode(std::vector& out, unsigned& w, unsigned& h, const std::string& filename, LodePNGColorType colortype, unsigned bitdepth) { std::vector buffer; /* safe output values in case error happens */ w = h = 0; unsigned error = load_file(buffer, filename); if(error) return error; return decode(out, w, h, buffer, colortype, bitdepth); } #endif /* LODEPNG_COMPILE_DECODER */ #endif /* LODEPNG_COMPILE_DISK */ #ifdef LODEPNG_COMPILE_ENCODER unsigned encode(std::vector& out, const unsigned char* in, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { unsigned char* buffer; size_t buffersize; unsigned error = lodepng_encode_memory(&buffer, &buffersize, in, w, h, colortype, bitdepth); if(buffer) { out.insert(out.end(), buffer, &buffer[buffersize]); lodepng_free(buffer); } return error; } unsigned encode(std::vector& out, const std::vector& in, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { if(lodepng_get_raw_size_lct(w, h, colortype, bitdepth) > in.size()) return 84; return encode(out, in.empty() ? 0 : &in[0], w, h, colortype, bitdepth); } unsigned encode(std::vector& out, const unsigned char* in, unsigned w, unsigned h, State& state) { unsigned char* buffer; size_t buffersize; unsigned error = lodepng_encode(&buffer, &buffersize, in, w, h, &state); if(buffer) { out.insert(out.end(), buffer, &buffer[buffersize]); lodepng_free(buffer); } return error; } unsigned encode(std::vector& out, const std::vector& in, unsigned w, unsigned h, State& state) { if(lodepng_get_raw_size(w, h, &state.info_raw) > in.size()) return 84; return encode(out, in.empty() ? 0 : &in[0], w, h, state); } #ifdef LODEPNG_COMPILE_DISK unsigned encode(const std::string& filename, const unsigned char* in, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { std::vector buffer; unsigned error = encode(buffer, in, w, h, colortype, bitdepth); if(!error) error = save_file(buffer, filename); return error; } unsigned encode(const std::string& filename, const std::vector& in, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth) { if(lodepng_get_raw_size_lct(w, h, colortype, bitdepth) > in.size()) return 84; return encode(filename, in.empty() ? 0 : &in[0], w, h, colortype, bitdepth); } #endif /* LODEPNG_COMPILE_DISK */ #endif /* LODEPNG_COMPILE_ENCODER */ #endif /* LODEPNG_COMPILE_PNG */ } /* namespace lodepng */ #endif /*LODEPNG_COMPILE_CPP*/ litehtml-litehtml-6ca1ab0/containers/test/lodepng.h000066400000000000000000003073271455631435400226060ustar00rootroot00000000000000/* LodePNG version 20221108 Copyright (c) 2005-2022 Lode Vandevenne This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. */ #ifndef LODEPNG_H #define LODEPNG_H #include /*for size_t*/ extern const char* LODEPNG_VERSION_STRING; /* The following #defines are used to create code sections. They can be disabled to disable code sections, which can give faster compile time and smaller binary. The "NO_COMPILE" defines are designed to be used to pass as defines to the compiler command to disable them without modifying this header, e.g. -DLODEPNG_NO_COMPILE_ZLIB for gcc or clang. */ /*deflate & zlib. If disabled, you must specify alternative zlib functions in the custom_zlib field of the compress and decompress settings*/ #ifndef LODEPNG_NO_COMPILE_ZLIB /*pass -DLODEPNG_NO_COMPILE_ZLIB to the compiler to disable this, or comment out LODEPNG_COMPILE_ZLIB below*/ #define LODEPNG_COMPILE_ZLIB #endif /*png encoder and png decoder*/ #ifndef LODEPNG_NO_COMPILE_PNG /*pass -DLODEPNG_NO_COMPILE_PNG to the compiler to disable this, or comment out LODEPNG_COMPILE_PNG below*/ #define LODEPNG_COMPILE_PNG #endif /*deflate&zlib decoder and png decoder*/ #ifndef LODEPNG_NO_COMPILE_DECODER /*pass -DLODEPNG_NO_COMPILE_DECODER to the compiler to disable this, or comment out LODEPNG_COMPILE_DECODER below*/ #define LODEPNG_COMPILE_DECODER #endif /*deflate&zlib encoder and png encoder*/ #ifndef LODEPNG_NO_COMPILE_ENCODER /*pass -DLODEPNG_NO_COMPILE_ENCODER to the compiler to disable this, or comment out LODEPNG_COMPILE_ENCODER below*/ #define LODEPNG_COMPILE_ENCODER #endif /*the optional built in harddisk file loading and saving functions*/ #ifndef LODEPNG_NO_COMPILE_DISK /*pass -DLODEPNG_NO_COMPILE_DISK to the compiler to disable this, or comment out LODEPNG_COMPILE_DISK below*/ #define LODEPNG_COMPILE_DISK #endif /*support for chunks other than IHDR, IDAT, PLTE, tRNS, IEND: ancillary and unknown chunks*/ #ifndef LODEPNG_NO_COMPILE_ANCILLARY_CHUNKS /*pass -DLODEPNG_NO_COMPILE_ANCILLARY_CHUNKS to the compiler to disable this, or comment out LODEPNG_COMPILE_ANCILLARY_CHUNKS below*/ #define LODEPNG_COMPILE_ANCILLARY_CHUNKS #endif /*ability to convert error numerical codes to English text string*/ #ifndef LODEPNG_NO_COMPILE_ERROR_TEXT /*pass -DLODEPNG_NO_COMPILE_ERROR_TEXT to the compiler to disable this, or comment out LODEPNG_COMPILE_ERROR_TEXT below*/ #define LODEPNG_COMPILE_ERROR_TEXT #endif /*Compile the default allocators (C's free, malloc and realloc). If you disable this, you can define the functions lodepng_free, lodepng_malloc and lodepng_realloc in your source files with custom allocators.*/ #ifndef LODEPNG_NO_COMPILE_ALLOCATORS /*pass -DLODEPNG_NO_COMPILE_ALLOCATORS to the compiler to disable the built-in ones, or comment out LODEPNG_COMPILE_ALLOCATORS below*/ #define LODEPNG_COMPILE_ALLOCATORS #endif /*Disable built-in CRC function, in that case a custom implementation of lodepng_crc32 must be defined externally so that it can be linked in.*/ #ifndef LODEPNG_NO_COMPILE_CRC /*pass -DLODEPNG_NO_COMPILE_CRC to the compiler to disable the built-in one, or comment out LODEPNG_COMPILE_CRC below*/ #define LODEPNG_COMPILE_CRC #endif /*compile the C++ version (you can disable the C++ wrapper here even when compiling for C++)*/ #ifdef __cplusplus #ifndef LODEPNG_NO_COMPILE_CPP /*pass -DLODEPNG_NO_COMPILE_CPP to the compiler to disable C++ (not needed if a C-only compiler), or comment out LODEPNG_COMPILE_CPP below*/ #define LODEPNG_COMPILE_CPP #endif #endif #ifdef LODEPNG_COMPILE_CPP #include #include #endif /*LODEPNG_COMPILE_CPP*/ #ifdef LODEPNG_COMPILE_PNG /*The PNG color types (also used for raw image).*/ typedef enum LodePNGColorType { LCT_GREY = 0, /*grayscale: 1,2,4,8,16 bit*/ LCT_RGB = 2, /*RGB: 8,16 bit*/ LCT_PALETTE = 3, /*palette: 1,2,4,8 bit*/ LCT_GREY_ALPHA = 4, /*grayscale with alpha: 8,16 bit*/ LCT_RGBA = 6, /*RGB with alpha: 8,16 bit*/ /*LCT_MAX_OCTET_VALUE lets the compiler allow this enum to represent any invalid byte value from 0 to 255 that could be present in an invalid PNG file header. Do not use, compare with or set the name LCT_MAX_OCTET_VALUE, instead either use the valid color type names above, or numeric values like 1 or 7 when checking for particular disallowed color type byte values, or cast to integer to print it.*/ LCT_MAX_OCTET_VALUE = 255 } LodePNGColorType; #ifdef LODEPNG_COMPILE_DECODER /* Converts PNG data in memory to raw pixel data. out: Output parameter. Pointer to buffer that will contain the raw pixel data. After decoding, its size is w * h * (bytes per pixel) bytes larger than initially. Bytes per pixel depends on colortype and bitdepth. Must be freed after usage with free(*out). Note: for 16-bit per channel colors, uses big endian format like PNG does. w: Output parameter. Pointer to width of pixel data. h: Output parameter. Pointer to height of pixel data. in: Memory buffer with the PNG file. insize: size of the in buffer. colortype: the desired color type for the raw output image. See explanation on PNG color types. bitdepth: the desired bit depth for the raw output image. See explanation on PNG color types. Return value: LodePNG error code (0 means no error). */ unsigned lodepng_decode_memory(unsigned char** out, unsigned* w, unsigned* h, const unsigned char* in, size_t insize, LodePNGColorType colortype, unsigned bitdepth); /*Same as lodepng_decode_memory, but always decodes to 32-bit RGBA raw image*/ unsigned lodepng_decode32(unsigned char** out, unsigned* w, unsigned* h, const unsigned char* in, size_t insize); /*Same as lodepng_decode_memory, but always decodes to 24-bit RGB raw image*/ unsigned lodepng_decode24(unsigned char** out, unsigned* w, unsigned* h, const unsigned char* in, size_t insize); #ifdef LODEPNG_COMPILE_DISK /* Load PNG from disk, from file with given name. Same as the other decode functions, but instead takes a filename as input. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory.*/ unsigned lodepng_decode_file(unsigned char** out, unsigned* w, unsigned* h, const char* filename, LodePNGColorType colortype, unsigned bitdepth); /*Same as lodepng_decode_file, but always decodes to 32-bit RGBA raw image. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory.*/ unsigned lodepng_decode32_file(unsigned char** out, unsigned* w, unsigned* h, const char* filename); /*Same as lodepng_decode_file, but always decodes to 24-bit RGB raw image. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory.*/ unsigned lodepng_decode24_file(unsigned char** out, unsigned* w, unsigned* h, const char* filename); #endif /*LODEPNG_COMPILE_DISK*/ #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER /* Converts raw pixel data into a PNG image in memory. The colortype and bitdepth of the output PNG image cannot be chosen, they are automatically determined by the colortype, bitdepth and content of the input pixel data. Note: for 16-bit per channel colors, needs big endian format like PNG does. out: Output parameter. Pointer to buffer that will contain the PNG image data. Must be freed after usage with free(*out). outsize: Output parameter. Pointer to the size in bytes of the out buffer. image: The raw pixel data to encode. The size of this buffer should be w * h * (bytes per pixel), bytes per pixel depends on colortype and bitdepth. w: width of the raw pixel data in pixels. h: height of the raw pixel data in pixels. colortype: the color type of the raw input image. See explanation on PNG color types. bitdepth: the bit depth of the raw input image. See explanation on PNG color types. Return value: LodePNG error code (0 means no error). */ unsigned lodepng_encode_memory(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth); /*Same as lodepng_encode_memory, but always encodes from 32-bit RGBA raw image.*/ unsigned lodepng_encode32(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h); /*Same as lodepng_encode_memory, but always encodes from 24-bit RGB raw image.*/ unsigned lodepng_encode24(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h); #ifdef LODEPNG_COMPILE_DISK /* Converts raw pixel data into a PNG file on disk. Same as the other encode functions, but instead takes a filename as output. NOTE: This overwrites existing files without warning! NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and encode in-memory.*/ unsigned lodepng_encode_file(const char* filename, const unsigned char* image, unsigned w, unsigned h, LodePNGColorType colortype, unsigned bitdepth); /*Same as lodepng_encode_file, but always encodes from 32-bit RGBA raw image. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and encode in-memory.*/ unsigned lodepng_encode32_file(const char* filename, const unsigned char* image, unsigned w, unsigned h); /*Same as lodepng_encode_file, but always encodes from 24-bit RGB raw image. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and encode in-memory.*/ unsigned lodepng_encode24_file(const char* filename, const unsigned char* image, unsigned w, unsigned h); #endif /*LODEPNG_COMPILE_DISK*/ #endif /*LODEPNG_COMPILE_ENCODER*/ #ifdef LODEPNG_COMPILE_CPP namespace lodepng { #ifdef LODEPNG_COMPILE_DECODER /*Same as lodepng_decode_memory, but decodes to an std::vector. The colortype is the format to output the pixels to. Default is RGBA 8-bit per channel.*/ unsigned decode(std::vector& out, unsigned& w, unsigned& h, const unsigned char* in, size_t insize, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); unsigned decode(std::vector& out, unsigned& w, unsigned& h, const std::vector& in, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); #ifdef LODEPNG_COMPILE_DISK /* Converts PNG file from disk to raw pixel data in memory. Same as the other decode functions, but instead takes a filename as input. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory. */ unsigned decode(std::vector& out, unsigned& w, unsigned& h, const std::string& filename, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); #endif /* LODEPNG_COMPILE_DISK */ #endif /* LODEPNG_COMPILE_DECODER */ #ifdef LODEPNG_COMPILE_ENCODER /*Same as lodepng_encode_memory, but encodes to an std::vector. colortype is that of the raw input data. The output PNG color type will be auto chosen.*/ unsigned encode(std::vector& out, const unsigned char* in, unsigned w, unsigned h, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); unsigned encode(std::vector& out, const std::vector& in, unsigned w, unsigned h, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); #ifdef LODEPNG_COMPILE_DISK /* Converts 32-bit RGBA raw pixel data into a PNG file on disk. Same as the other encode functions, but instead takes a filename as output. NOTE: This overwrites existing files without warning! NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory. */ unsigned encode(const std::string& filename, const unsigned char* in, unsigned w, unsigned h, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); unsigned encode(const std::string& filename, const std::vector& in, unsigned w, unsigned h, LodePNGColorType colortype = LCT_RGBA, unsigned bitdepth = 8); #endif /* LODEPNG_COMPILE_DISK */ #endif /* LODEPNG_COMPILE_ENCODER */ } /* namespace lodepng */ #endif /*LODEPNG_COMPILE_CPP*/ #endif /*LODEPNG_COMPILE_PNG*/ #ifdef LODEPNG_COMPILE_ERROR_TEXT /*Returns an English description of the numerical error code.*/ const char* lodepng_error_text(unsigned code); #endif /*LODEPNG_COMPILE_ERROR_TEXT*/ #ifdef LODEPNG_COMPILE_DECODER /*Settings for zlib decompression*/ typedef struct LodePNGDecompressSettings LodePNGDecompressSettings; struct LodePNGDecompressSettings { /* Check LodePNGDecoderSettings for more ignorable errors such as ignore_crc */ unsigned ignore_adler32; /*if 1, continue and don't give an error message if the Adler32 checksum is corrupted*/ unsigned ignore_nlen; /*ignore complement of len checksum in uncompressed blocks*/ /*Maximum decompressed size, beyond this the decoder may (and is encouraged to) stop decoding, return an error, output a data size > max_output_size and all the data up to that point. This is not hard limit nor a guarantee, but can prevent excessive memory usage. This setting is ignored by the PNG decoder, but is used by the deflate/zlib decoder and can be used by custom ones. Set to 0 to impose no limit (the default).*/ size_t max_output_size; /*use custom zlib decoder instead of built in one (default: null). Should return 0 if success, any non-0 if error (numeric value not exposed).*/ unsigned (*custom_zlib)(unsigned char**, size_t*, const unsigned char*, size_t, const LodePNGDecompressSettings*); /*use custom deflate decoder instead of built in one (default: null) if custom_zlib is not null, custom_inflate is ignored (the zlib format uses deflate). Should return 0 if success, any non-0 if error (numeric value not exposed).*/ unsigned (*custom_inflate)(unsigned char**, size_t*, const unsigned char*, size_t, const LodePNGDecompressSettings*); const void* custom_context; /*optional custom settings for custom functions*/ }; extern const LodePNGDecompressSettings lodepng_default_decompress_settings; void lodepng_decompress_settings_init(LodePNGDecompressSettings* settings); #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER /* Settings for zlib compression. Tweaking these settings tweaks the balance between speed and compression ratio. */ typedef struct LodePNGCompressSettings LodePNGCompressSettings; struct LodePNGCompressSettings /*deflate = compress*/ { /*LZ77 related settings*/ unsigned btype; /*the block type for LZ (0, 1, 2 or 3, see zlib standard). Should be 2 for proper compression.*/ unsigned use_lz77; /*whether or not to use LZ77. Should be 1 for proper compression.*/ unsigned windowsize; /*must be a power of two <= 32768. higher compresses more but is slower. Default value: 2048.*/ unsigned minmatch; /*minimum lz77 length. 3 is normally best, 6 can be better for some PNGs. Default: 0*/ unsigned nicematch; /*stop searching if >= this length found. Set to 258 for best compression. Default: 128*/ unsigned lazymatching; /*use lazy matching: better compression but a bit slower. Default: true*/ /*use custom zlib encoder instead of built in one (default: null)*/ unsigned (*custom_zlib)(unsigned char**, size_t*, const unsigned char*, size_t, const LodePNGCompressSettings*); /*use custom deflate encoder instead of built in one (default: null) if custom_zlib is used, custom_deflate is ignored since only the built in zlib function will call custom_deflate*/ unsigned (*custom_deflate)(unsigned char**, size_t*, const unsigned char*, size_t, const LodePNGCompressSettings*); const void* custom_context; /*optional custom settings for custom functions*/ }; extern const LodePNGCompressSettings lodepng_default_compress_settings; void lodepng_compress_settings_init(LodePNGCompressSettings* settings); #endif /*LODEPNG_COMPILE_ENCODER*/ #ifdef LODEPNG_COMPILE_PNG /* Color mode of an image. Contains all information required to decode the pixel bits to RGBA colors. This information is the same as used in the PNG file format, and is used both for PNG and raw image data in LodePNG. */ typedef struct LodePNGColorMode { /*header (IHDR)*/ LodePNGColorType colortype; /*color type, see PNG standard or documentation further in this header file*/ unsigned bitdepth; /*bits per sample, see PNG standard or documentation further in this header file*/ /* palette (PLTE and tRNS) Dynamically allocated with the colors of the palette, including alpha. This field may not be allocated directly, use lodepng_color_mode_init first, then lodepng_palette_add per color to correctly initialize it (to ensure size of exactly 1024 bytes). The alpha channels must be set as well, set them to 255 for opaque images. When decoding, with the default settings you can ignore this palette, since LodePNG already fills the palette colors in the pixels of the raw RGBA output, but when decoding to the original PNG color mode it is needed to reconstruct the colors. The palette is only supported for color type 3. */ unsigned char* palette; /*palette in RGBARGBA... order. Must be either 0, or when allocated must have 1024 bytes*/ size_t palettesize; /*palette size in number of colors (amount of used bytes is 4 * palettesize)*/ /* transparent color key (tRNS) This color uses the same bit depth as the bitdepth value in this struct, which can be 1-bit to 16-bit. For grayscale PNGs, r, g and b will all 3 be set to the same. When decoding, by default you can ignore this information, since LodePNG sets pixels with this key to transparent already in the raw RGBA output. The color key is only supported for color types 0 and 2. */ unsigned key_defined; /*is a transparent color key given? 0 = false, 1 = true*/ unsigned key_r; /*red/grayscale component of color key*/ unsigned key_g; /*green component of color key*/ unsigned key_b; /*blue component of color key*/ } LodePNGColorMode; /*init, cleanup and copy functions to use with this struct*/ void lodepng_color_mode_init(LodePNGColorMode* info); void lodepng_color_mode_cleanup(LodePNGColorMode* info); /*return value is error code (0 means no error)*/ unsigned lodepng_color_mode_copy(LodePNGColorMode* dest, const LodePNGColorMode* source); /* Makes a temporary LodePNGColorMode that does not need cleanup (no palette) */ LodePNGColorMode lodepng_color_mode_make(LodePNGColorType colortype, unsigned bitdepth); void lodepng_palette_clear(LodePNGColorMode* info); /*add 1 color to the palette*/ unsigned lodepng_palette_add(LodePNGColorMode* info, unsigned char r, unsigned char g, unsigned char b, unsigned char a); /*get the total amount of bits per pixel, based on colortype and bitdepth in the struct*/ unsigned lodepng_get_bpp(const LodePNGColorMode* info); /*get the amount of color channels used, based on colortype in the struct. If a palette is used, it counts as 1 channel.*/ unsigned lodepng_get_channels(const LodePNGColorMode* info); /*is it a grayscale type? (only colortype 0 or 4)*/ unsigned lodepng_is_greyscale_type(const LodePNGColorMode* info); /*has it got an alpha channel? (only colortype 2 or 6)*/ unsigned lodepng_is_alpha_type(const LodePNGColorMode* info); /*has it got a palette? (only colortype 3)*/ unsigned lodepng_is_palette_type(const LodePNGColorMode* info); /*only returns true if there is a palette and there is a value in the palette with alpha < 255. Loops through the palette to check this.*/ unsigned lodepng_has_palette_alpha(const LodePNGColorMode* info); /* Check if the given color info indicates the possibility of having non-opaque pixels in the PNG image. Returns true if the image can have translucent or invisible pixels (it still be opaque if it doesn't use such pixels). Returns false if the image can only have opaque pixels. In detail, it returns true only if it's a color type with alpha, or has a palette with non-opaque values, or if "key_defined" is true. */ unsigned lodepng_can_have_alpha(const LodePNGColorMode* info); /*Returns the byte size of a raw image buffer with given width, height and color mode*/ size_t lodepng_get_raw_size(unsigned w, unsigned h, const LodePNGColorMode* color); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*The information of a Time chunk in PNG.*/ typedef struct LodePNGTime { unsigned year; /*2 bytes used (0-65535)*/ unsigned month; /*1-12*/ unsigned day; /*1-31*/ unsigned hour; /*0-23*/ unsigned minute; /*0-59*/ unsigned second; /*0-60 (to allow for leap seconds)*/ } LodePNGTime; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /*Information about the PNG image, except pixels, width and height.*/ typedef struct LodePNGInfo { /*header (IHDR), palette (PLTE) and transparency (tRNS) chunks*/ unsigned compression_method;/*compression method of the original file. Always 0.*/ unsigned filter_method; /*filter method of the original file*/ unsigned interlace_method; /*interlace method of the original file: 0=none, 1=Adam7*/ LodePNGColorMode color; /*color type and bits, palette and transparency of the PNG file*/ #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /* Suggested background color chunk (bKGD) This uses the same color mode and bit depth as the PNG (except no alpha channel), with values truncated to the bit depth in the unsigned integer. For grayscale and palette PNGs, the value is stored in background_r. The values in background_g and background_b are then unused. The decoder will set them equal to background_r, the encoder ignores them in this case. When decoding, you may get these in a different color mode than the one you requested for the raw pixels: the colortype and bitdepth defined by info_png.color, that is the ones defined in the header of the PNG image, are used. When encoding with auto_convert, you must use the color model defined in info_png.color for these values. The encoder normally ignores info_png.color when auto_convert is on, but will use it to interpret these values (and convert copies of them to its chosen color model). When encoding, avoid setting this to an expensive color, such as a non-gray value when the image is gray, or the compression will be worse since it will be forced to write the PNG with a more expensive color mode (when auto_convert is on). The decoder does not use this background color to edit the color of pixels. This is a completely optional metadata feature. */ unsigned background_defined; /*is a suggested background color given?*/ unsigned background_r; /*red/gray/palette component of suggested background color*/ unsigned background_g; /*green component of suggested background color*/ unsigned background_b; /*blue component of suggested background color*/ /* Non-international text chunks (tEXt and zTXt) The char** arrays each contain num strings. The actual messages are in text_strings, while text_keys are keywords that give a short description what the actual text represents, e.g. Title, Author, Description, or anything else. All the string fields below including strings, keys, names and language tags are null terminated. The PNG specification uses null characters for the keys, names and tags, and forbids null characters to appear in the main text which is why we can use null termination everywhere here. A keyword is minimum 1 character and maximum 79 characters long (plus the additional null terminator). It's discouraged to use a single line length longer than 79 characters for texts. Don't allocate these text buffers yourself. Use the init/cleanup functions correctly and use lodepng_add_text and lodepng_clear_text. Standard text chunk keywords and strings are encoded using Latin-1. */ size_t text_num; /*the amount of texts in these char** buffers (there may be more texts in itext)*/ char** text_keys; /*the keyword of a text chunk (e.g. "Comment")*/ char** text_strings; /*the actual text*/ /* International text chunks (iTXt) Similar to the non-international text chunks, but with additional strings "langtags" and "transkeys", and the following text encodings are used: keys: Latin-1, langtags: ASCII, transkeys and strings: UTF-8. keys must be 1-79 characters (plus the additional null terminator), the other strings are any length. */ size_t itext_num; /*the amount of international texts in this PNG*/ char** itext_keys; /*the English keyword of the text chunk (e.g. "Comment")*/ char** itext_langtags; /*language tag for this text's language, ISO/IEC 646 string, e.g. ISO 639 language tag*/ char** itext_transkeys; /*keyword translated to the international language - UTF-8 string*/ char** itext_strings; /*the actual international text - UTF-8 string*/ /*time chunk (tIME)*/ unsigned time_defined; /*set to 1 to make the encoder generate a tIME chunk*/ LodePNGTime time; /*phys chunk (pHYs)*/ unsigned phys_defined; /*if 0, there is no pHYs chunk and the values below are undefined, if 1 else there is one*/ unsigned phys_x; /*pixels per unit in x direction*/ unsigned phys_y; /*pixels per unit in y direction*/ unsigned phys_unit; /*may be 0 (unknown unit) or 1 (metre)*/ /* Color profile related chunks: gAMA, cHRM, sRGB, iCPP, sBIT LodePNG does not apply any color conversions on pixels in the encoder or decoder and does not interpret these color profile values. It merely passes on the information. If you wish to use color profiles and convert colors, please use these values with a color management library. See the PNG, ICC and sRGB specifications for more information about the meaning of these values. */ /* gAMA chunk: optional, overridden by sRGB or iCCP if those are present. */ unsigned gama_defined; /* Whether a gAMA chunk is present (0 = not present, 1 = present). */ unsigned gama_gamma; /* Gamma exponent times 100000 */ /* cHRM chunk: optional, overridden by sRGB or iCCP if those are present. */ unsigned chrm_defined; /* Whether a cHRM chunk is present (0 = not present, 1 = present). */ unsigned chrm_white_x; /* White Point x times 100000 */ unsigned chrm_white_y; /* White Point y times 100000 */ unsigned chrm_red_x; /* Red x times 100000 */ unsigned chrm_red_y; /* Red y times 100000 */ unsigned chrm_green_x; /* Green x times 100000 */ unsigned chrm_green_y; /* Green y times 100000 */ unsigned chrm_blue_x; /* Blue x times 100000 */ unsigned chrm_blue_y; /* Blue y times 100000 */ /* sRGB chunk: optional. May not appear at the same time as iCCP. If gAMA is also present gAMA must contain value 45455. If cHRM is also present cHRM must contain respectively 31270,32900,64000,33000,30000,60000,15000,6000. */ unsigned srgb_defined; /* Whether an sRGB chunk is present (0 = not present, 1 = present). */ unsigned srgb_intent; /* Rendering intent: 0=perceptual, 1=rel. colorimetric, 2=saturation, 3=abs. colorimetric */ /* iCCP chunk: optional. May not appear at the same time as sRGB. LodePNG does not parse or use the ICC profile (except its color space header field for an edge case), a separate library to handle the ICC data (not included in LodePNG) format is needed to use it for color management and conversions. For encoding, if iCCP is present, gAMA and cHRM are recommended to be added as well with values that match the ICC profile as closely as possible, if you wish to do this you should provide the correct values for gAMA and cHRM and enable their '_defined' flags since LodePNG will not automatically compute them from the ICC profile. For encoding, the ICC profile is required by the PNG specification to be an "RGB" profile for non-gray PNG color types and a "GRAY" profile for gray PNG color types. If you disable auto_convert, you must ensure the ICC profile type matches your requested color type, else the encoder gives an error. If auto_convert is enabled (the default), and the ICC profile is not a good match for the pixel data, this will result in an encoder error if the pixel data has non-gray pixels for a GRAY profile, or a silent less-optimal compression of the pixel data if the pixels could be encoded as grayscale but the ICC profile is RGB. To avoid this do not set an ICC profile in the image unless there is a good reason for it, and when doing so make sure you compute it carefully to avoid the above problems. */ unsigned iccp_defined; /* Whether an iCCP chunk is present (0 = not present, 1 = present). */ char* iccp_name; /* Null terminated string with profile name, 1-79 bytes */ /* The ICC profile in iccp_profile_size bytes. Don't allocate this buffer yourself. Use the init/cleanup functions correctly and use lodepng_set_icc and lodepng_clear_icc. */ unsigned char* iccp_profile; unsigned iccp_profile_size; /* The size of iccp_profile in bytes */ /* sBIT chunk: significant bits. Optional metadata, only set this if needed. If defined, these values give the bit depth of the original data. Since PNG only stores 1, 2, 4, 8 or 16-bit per channel data, the significant bits value can be used to indicate the original encoded data has another sample depth, such as 10 or 12. Encoders using this value, when storing the pixel data, should use the most significant bits of the data to store the original bits, and use a good sample depth scaling method such as "left bit replication" to fill in the least significant bits, rather than fill zeroes. Decoders using this value, if able to work with data that's e.g. 10-bit or 12-bit, should right shift the data to go back to the original bit depth, but decoders are also allowed to ignore sbit and work e.g. with the 8-bit or 16-bit data from the PNG directly, since thanks to the encoder contract, the values encoded in PNG are in valid range for the PNG bit depth. For grayscale images, sbit_g and sbit_b are not used, and for images that don't use color type RGBA or grayscale+alpha, sbit_a is not used (it's not used even for palette images with translucent palette values, or images with color key). The values that are used must be greater than zero and smaller than or equal to the PNG bit depth. The color type from the header in the PNG image defines these used and unused fields: if decoding with a color mode conversion, such as always decoding to RGBA, this metadata still only uses the color type of the original PNG, and may e.g. lack the alpha channel info if the PNG was RGB. When encoding with auto_convert (as well as without), also always the color model defined in info_png.color determines this. NOTE: enabling sbit can hurt compression, because the encoder can then not always use auto_convert to choose a more optimal color mode for the data, because the PNG format has strict requirements for the allowed sbit values in combination with color modes. For example, setting these fields to 10-bit will force the encoder to keep using a 16-bit per channel color mode, even if the pixel data would in fact fit in a more efficient 8-bit mode. */ unsigned sbit_defined; /*is significant bits given? if not, the values below are unused*/ unsigned sbit_r; /*red or gray component of significant bits*/ unsigned sbit_g; /*green component of significant bits*/ unsigned sbit_b; /*blue component of significant bits*/ unsigned sbit_a; /*alpha component of significant bits*/ /* End of color profile related chunks */ /* unknown chunks: chunks not known by LodePNG, passed on byte for byte. There are 3 buffers, one for each position in the PNG where unknown chunks can appear. Each buffer contains all unknown chunks for that position consecutively. The 3 positions are: 0: between IHDR and PLTE, 1: between PLTE and IDAT, 2: between IDAT and IEND. For encoding, do not store critical chunks or known chunks that are enabled with a "_defined" flag above in here, since the encoder will blindly follow this and could then encode an invalid PNG file (such as one with two IHDR chunks or the disallowed combination of sRGB with iCCP). But do use this if you wish to store an ancillary chunk that is not supported by LodePNG (such as sPLT or hIST), or any non-standard PNG chunk. Do not allocate or traverse this data yourself. Use the chunk traversing functions declared later, such as lodepng_chunk_next and lodepng_chunk_append, to read/write this struct. */ unsigned char* unknown_chunks_data[3]; size_t unknown_chunks_size[3]; /*size in bytes of the unknown chunks, given for protection*/ #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } LodePNGInfo; /*init, cleanup and copy functions to use with this struct*/ void lodepng_info_init(LodePNGInfo* info); void lodepng_info_cleanup(LodePNGInfo* info); /*return value is error code (0 means no error)*/ unsigned lodepng_info_copy(LodePNGInfo* dest, const LodePNGInfo* source); #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS unsigned lodepng_add_text(LodePNGInfo* info, const char* key, const char* str); /*push back both texts at once*/ void lodepng_clear_text(LodePNGInfo* info); /*use this to clear the texts again after you filled them in*/ unsigned lodepng_add_itext(LodePNGInfo* info, const char* key, const char* langtag, const char* transkey, const char* str); /*push back the 4 texts of 1 chunk at once*/ void lodepng_clear_itext(LodePNGInfo* info); /*use this to clear the itexts again after you filled them in*/ /*replaces if exists*/ unsigned lodepng_set_icc(LodePNGInfo* info, const char* name, const unsigned char* profile, unsigned profile_size); void lodepng_clear_icc(LodePNGInfo* info); /*use this to clear the texts again after you filled them in*/ #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ /* Converts raw buffer from one color type to another color type, based on LodePNGColorMode structs to describe the input and output color type. See the reference manual at the end of this header file to see which color conversions are supported. return value = LodePNG error code (0 if all went ok, an error if the conversion isn't supported) The out buffer must have size (w * h * bpp + 7) / 8, where bpp is the bits per pixel of the output color type (lodepng_get_bpp). For < 8 bpp images, there should not be padding bits at the end of scanlines. For 16-bit per channel colors, uses big endian format like PNG does. Return value is LodePNG error code */ unsigned lodepng_convert(unsigned char* out, const unsigned char* in, const LodePNGColorMode* mode_out, const LodePNGColorMode* mode_in, unsigned w, unsigned h); #ifdef LODEPNG_COMPILE_DECODER /* Settings for the decoder. This contains settings for the PNG and the Zlib decoder, but not the Info settings from the Info structs. */ typedef struct LodePNGDecoderSettings { LodePNGDecompressSettings zlibsettings; /*in here is the setting to ignore Adler32 checksums*/ /* Check LodePNGDecompressSettings for more ignorable errors such as ignore_adler32 */ unsigned ignore_crc; /*ignore CRC checksums*/ unsigned ignore_critical; /*ignore unknown critical chunks*/ unsigned ignore_end; /*ignore issues at end of file if possible (missing IEND chunk, too large chunk, ...)*/ /* TODO: make a system involving warnings with levels and a strict mode instead. Other potentially recoverable errors: srgb rendering intent value, size of content of ancillary chunks, more than 79 characters for some strings, placement/combination rules for ancillary chunks, crc of unknown chunks, allowed characters in string keys, etc... */ unsigned color_convert; /*whether to convert the PNG to the color type you want. Default: yes*/ #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS unsigned read_text_chunks; /*if false but remember_unknown_chunks is true, they're stored in the unknown chunks*/ /*store all bytes from unknown chunks in the LodePNGInfo (off by default, useful for a png editor)*/ unsigned remember_unknown_chunks; /* maximum size for decompressed text chunks. If a text chunk's text is larger than this, an error is returned, unless reading text chunks is disabled or this limit is set higher or disabled. Set to 0 to allow any size. By default it is a value that prevents unreasonably large strings from hogging memory. */ size_t max_text_size; /* maximum size for compressed ICC chunks. If the ICC profile is larger than this, an error will be returned. Set to 0 to allow any size. By default this is a value that prevents ICC profiles that would be much larger than any legitimate profile could be to hog memory. */ size_t max_icc_size; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } LodePNGDecoderSettings; void lodepng_decoder_settings_init(LodePNGDecoderSettings* settings); #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER /*automatically use color type with less bits per pixel if losslessly possible. Default: AUTO*/ typedef enum LodePNGFilterStrategy { /*every filter at zero*/ LFS_ZERO = 0, /*every filter at 1, 2, 3 or 4 (paeth), unlike LFS_ZERO not a good choice, but for testing*/ LFS_ONE = 1, LFS_TWO = 2, LFS_THREE = 3, LFS_FOUR = 4, /*Use filter that gives minimum sum, as described in the official PNG filter heuristic.*/ LFS_MINSUM, /*Use the filter type that gives smallest Shannon entropy for this scanline. Depending on the image, this is better or worse than minsum.*/ LFS_ENTROPY, /* Brute-force-search PNG filters by compressing each filter for each scanline. Experimental, very slow, and only rarely gives better compression than MINSUM. */ LFS_BRUTE_FORCE, /*use predefined_filters buffer: you specify the filter type for each scanline*/ LFS_PREDEFINED } LodePNGFilterStrategy; /*Gives characteristics about the integer RGBA colors of the image (count, alpha channel usage, bit depth, ...), which helps decide which color model to use for encoding. Used internally by default if "auto_convert" is enabled. Public because it's useful for custom algorithms.*/ typedef struct LodePNGColorStats { unsigned colored; /*not grayscale*/ unsigned key; /*image is not opaque and color key is possible instead of full alpha*/ unsigned short key_r; /*key values, always as 16-bit, in 8-bit case the byte is duplicated, e.g. 65535 means 255*/ unsigned short key_g; unsigned short key_b; unsigned alpha; /*image is not opaque and alpha channel or alpha palette required*/ unsigned numcolors; /*amount of colors, up to 257. Not valid if bits == 16 or allow_palette is disabled.*/ unsigned char palette[1024]; /*Remembers up to the first 256 RGBA colors, in no particular order, only valid when numcolors is valid*/ unsigned bits; /*bits per channel (not for palette). 1,2 or 4 for grayscale only. 16 if 16-bit per channel required.*/ size_t numpixels; /*user settings for computing/using the stats*/ unsigned allow_palette; /*default 1. if 0, disallow choosing palette colortype in auto_choose_color, and don't count numcolors*/ unsigned allow_greyscale; /*default 1. if 0, choose RGB or RGBA even if the image only has gray colors*/ } LodePNGColorStats; void lodepng_color_stats_init(LodePNGColorStats* stats); /*Get a LodePNGColorStats of the image. The stats must already have been inited. Returns error code (e.g. alloc fail) or 0 if ok.*/ unsigned lodepng_compute_color_stats(LodePNGColorStats* stats, const unsigned char* image, unsigned w, unsigned h, const LodePNGColorMode* mode_in); /*Settings for the encoder.*/ typedef struct LodePNGEncoderSettings { LodePNGCompressSettings zlibsettings; /*settings for the zlib encoder, such as window size, ...*/ unsigned auto_convert; /*automatically choose output PNG color type. Default: true*/ /*If true, follows the official PNG heuristic: if the PNG uses a palette or lower than 8 bit depth, set all filters to zero. Otherwise use the filter_strategy. Note that to completely follow the official PNG heuristic, filter_palette_zero must be true and filter_strategy must be LFS_MINSUM*/ unsigned filter_palette_zero; /*Which filter strategy to use when not using zeroes due to filter_palette_zero. Set filter_palette_zero to 0 to ensure always using your chosen strategy. Default: LFS_MINSUM*/ LodePNGFilterStrategy filter_strategy; /*used if filter_strategy is LFS_PREDEFINED. In that case, this must point to a buffer with the same length as the amount of scanlines in the image, and each value must <= 5. You have to cleanup this buffer, LodePNG will never free it. Don't forget that filter_palette_zero must be set to 0 to ensure this is also used on palette or low bitdepth images.*/ const unsigned char* predefined_filters; /*force creating a PLTE chunk if colortype is 2 or 6 (= a suggested palette). If colortype is 3, PLTE is always created. If color type is explicitely set to a grayscale type (1 or 4), this is not done and is ignored. If enabling this, a palette must be present in the info_png. NOTE: enabling this may worsen compression if auto_convert is used to choose optimal color mode, because it cannot use grayscale color modes in this case*/ unsigned force_palette; #ifdef LODEPNG_COMPILE_ANCILLARY_CHUNKS /*add LodePNG identifier and version as a text chunk, for debugging*/ unsigned add_id; /*encode text chunks as zTXt chunks instead of tEXt chunks, and use compression in iTXt chunks*/ unsigned text_compression; #endif /*LODEPNG_COMPILE_ANCILLARY_CHUNKS*/ } LodePNGEncoderSettings; void lodepng_encoder_settings_init(LodePNGEncoderSettings* settings); #endif /*LODEPNG_COMPILE_ENCODER*/ #if defined(LODEPNG_COMPILE_DECODER) || defined(LODEPNG_COMPILE_ENCODER) /*The settings, state and information for extended encoding and decoding.*/ typedef struct LodePNGState { #ifdef LODEPNG_COMPILE_DECODER LodePNGDecoderSettings decoder; /*the decoding settings*/ #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER LodePNGEncoderSettings encoder; /*the encoding settings*/ #endif /*LODEPNG_COMPILE_ENCODER*/ LodePNGColorMode info_raw; /*specifies the format in which you would like to get the raw pixel buffer*/ LodePNGInfo info_png; /*info of the PNG image obtained after decoding*/ unsigned error; } LodePNGState; /*init, cleanup and copy functions to use with this struct*/ void lodepng_state_init(LodePNGState* state); void lodepng_state_cleanup(LodePNGState* state); void lodepng_state_copy(LodePNGState* dest, const LodePNGState* source); #endif /* defined(LODEPNG_COMPILE_DECODER) || defined(LODEPNG_COMPILE_ENCODER) */ #ifdef LODEPNG_COMPILE_DECODER /* Same as lodepng_decode_memory, but uses a LodePNGState to allow custom settings and getting much more information about the PNG image and color mode. */ unsigned lodepng_decode(unsigned char** out, unsigned* w, unsigned* h, LodePNGState* state, const unsigned char* in, size_t insize); /* Read the PNG header, but not the actual data. This returns only the information that is in the IHDR chunk of the PNG, such as width, height and color type. The information is placed in the info_png field of the LodePNGState. */ unsigned lodepng_inspect(unsigned* w, unsigned* h, LodePNGState* state, const unsigned char* in, size_t insize); #endif /*LODEPNG_COMPILE_DECODER*/ /* Reads one metadata chunk (other than IHDR, which is handled by lodepng_inspect) of the PNG file and outputs what it read in the state. Returns error code on failure. Use lodepng_inspect first with a new state, then e.g. lodepng_chunk_find_const to find the desired chunk type, and if non null use lodepng_inspect_chunk (with chunk_pointer - start_of_file as pos). Supports most metadata chunks from the PNG standard (gAMA, bKGD, tEXt, ...). Ignores unsupported, unknown, non-metadata or IHDR chunks (without error). Requirements: &in[pos] must point to start of a chunk, must use regular lodepng_inspect first since format of most other chunks depends on IHDR, and if there is a PLTE chunk, that one must be inspected before tRNS or bKGD. */ unsigned lodepng_inspect_chunk(LodePNGState* state, size_t pos, const unsigned char* in, size_t insize); #ifdef LODEPNG_COMPILE_ENCODER /*This function allocates the out buffer with standard malloc and stores the size in *outsize.*/ unsigned lodepng_encode(unsigned char** out, size_t* outsize, const unsigned char* image, unsigned w, unsigned h, LodePNGState* state); #endif /*LODEPNG_COMPILE_ENCODER*/ /* The lodepng_chunk functions are normally not needed, except to traverse the unknown chunks stored in the LodePNGInfo struct, or add new ones to it. It also allows traversing the chunks of an encoded PNG file yourself. The chunk pointer always points to the beginning of the chunk itself, that is the first byte of the 4 length bytes. In the PNG file format, chunks have the following format: -4 bytes length: length of the data of the chunk in bytes (chunk itself is 12 bytes longer) -4 bytes chunk type (ASCII a-z,A-Z only, see below) -length bytes of data (may be 0 bytes if length was 0) -4 bytes of CRC, computed on chunk name + data The first chunk starts at the 8th byte of the PNG file, the entire rest of the file exists out of concatenated chunks with the above format. PNG standard chunk ASCII naming conventions: -First byte: uppercase = critical, lowercase = ancillary -Second byte: uppercase = public, lowercase = private -Third byte: must be uppercase -Fourth byte: uppercase = unsafe to copy, lowercase = safe to copy */ /* Gets the length of the data of the chunk. Total chunk length has 12 bytes more. There must be at least 4 bytes to read from. If the result value is too large, it may be corrupt data. */ unsigned lodepng_chunk_length(const unsigned char* chunk); /*puts the 4-byte type in null terminated string*/ void lodepng_chunk_type(char type[5], const unsigned char* chunk); /*check if the type is the given type*/ unsigned char lodepng_chunk_type_equals(const unsigned char* chunk, const char* type); /*0: it's one of the critical chunk types, 1: it's an ancillary chunk (see PNG standard)*/ unsigned char lodepng_chunk_ancillary(const unsigned char* chunk); /*0: public, 1: private (see PNG standard)*/ unsigned char lodepng_chunk_private(const unsigned char* chunk); /*0: the chunk is unsafe to copy, 1: the chunk is safe to copy (see PNG standard)*/ unsigned char lodepng_chunk_safetocopy(const unsigned char* chunk); /*get pointer to the data of the chunk, where the input points to the header of the chunk*/ unsigned char* lodepng_chunk_data(unsigned char* chunk); const unsigned char* lodepng_chunk_data_const(const unsigned char* chunk); /*returns 0 if the crc is correct, 1 if it's incorrect (0 for OK as usual!)*/ unsigned lodepng_chunk_check_crc(const unsigned char* chunk); /*generates the correct CRC from the data and puts it in the last 4 bytes of the chunk*/ void lodepng_chunk_generate_crc(unsigned char* chunk); /* Iterate to next chunks, allows iterating through all chunks of the PNG file. Input must be at the beginning of a chunk (result of a previous lodepng_chunk_next call, or the 8th byte of a PNG file which always has the first chunk), or alternatively may point to the first byte of the PNG file (which is not a chunk but the magic header, the function will then skip over it and return the first real chunk). Will output pointer to the start of the next chunk, or at or beyond end of the file if there is no more chunk after this or possibly if the chunk is corrupt. Start this process at the 8th byte of the PNG file. In a non-corrupt PNG file, the last chunk should have name "IEND". */ unsigned char* lodepng_chunk_next(unsigned char* chunk, unsigned char* end); const unsigned char* lodepng_chunk_next_const(const unsigned char* chunk, const unsigned char* end); /*Finds the first chunk with the given type in the range [chunk, end), or returns NULL if not found.*/ unsigned char* lodepng_chunk_find(unsigned char* chunk, unsigned char* end, const char type[5]); const unsigned char* lodepng_chunk_find_const(const unsigned char* chunk, const unsigned char* end, const char type[5]); /* Appends chunk to the data in out. The given chunk should already have its chunk header. The out variable and outsize are updated to reflect the new reallocated buffer. Returns error code (0 if it went ok) */ unsigned lodepng_chunk_append(unsigned char** out, size_t* outsize, const unsigned char* chunk); /* Appends new chunk to out. The chunk to append is given by giving its length, type and data separately. The type is a 4-letter string. The out variable and outsize are updated to reflect the new reallocated buffer. Returne error code (0 if it went ok) */ unsigned lodepng_chunk_create(unsigned char** out, size_t* outsize, unsigned length, const char* type, const unsigned char* data); /*Calculate CRC32 of buffer*/ unsigned lodepng_crc32(const unsigned char* buf, size_t len); #endif /*LODEPNG_COMPILE_PNG*/ #ifdef LODEPNG_COMPILE_ZLIB /* This zlib part can be used independently to zlib compress and decompress a buffer. It cannot be used to create gzip files however, and it only supports the part of zlib that is required for PNG, it does not support dictionaries. */ #ifdef LODEPNG_COMPILE_DECODER /*Inflate a buffer. Inflate is the decompression step of deflate. Out buffer must be freed after use.*/ unsigned lodepng_inflate(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings); /* Decompresses Zlib data. Reallocates the out buffer and appends the data. The data must be according to the zlib specification. Either, *out must be NULL and *outsize must be 0, or, *out must be a valid buffer and *outsize its size in bytes. out must be freed by user after usage. */ unsigned lodepng_zlib_decompress(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGDecompressSettings* settings); #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER /* Compresses data with Zlib. Reallocates the out buffer and appends the data. Zlib adds a small header and trailer around the deflate data. The data is output in the format of the zlib specification. Either, *out must be NULL and *outsize must be 0, or, *out must be a valid buffer and *outsize its size in bytes. out must be freed by user after usage. */ unsigned lodepng_zlib_compress(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings); /* Find length-limited Huffman code for given frequencies. This function is in the public interface only for tests, it's used internally by lodepng_deflate. */ unsigned lodepng_huffman_code_lengths(unsigned* lengths, const unsigned* frequencies, size_t numcodes, unsigned maxbitlen); /*Compress a buffer with deflate. See RFC 1951. Out buffer must be freed after use.*/ unsigned lodepng_deflate(unsigned char** out, size_t* outsize, const unsigned char* in, size_t insize, const LodePNGCompressSettings* settings); #endif /*LODEPNG_COMPILE_ENCODER*/ #endif /*LODEPNG_COMPILE_ZLIB*/ #ifdef LODEPNG_COMPILE_DISK /* Load a file from disk into buffer. The function allocates the out buffer, and after usage you should free it. out: output parameter, contains pointer to loaded buffer. outsize: output parameter, size of the allocated out buffer filename: the path to the file to load return value: error code (0 means ok) NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory. */ unsigned lodepng_load_file(unsigned char** out, size_t* outsize, const char* filename); /* Save a file from buffer to disk. Warning, if it exists, this function overwrites the file without warning! buffer: the buffer to write buffersize: size of the buffer to write filename: the path to the file to save to return value: error code (0 means ok) NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and encode in-memory */ unsigned lodepng_save_file(const unsigned char* buffer, size_t buffersize, const char* filename); #endif /*LODEPNG_COMPILE_DISK*/ #ifdef LODEPNG_COMPILE_CPP /* The LodePNG C++ wrapper uses std::vectors instead of manually allocated memory buffers. */ namespace lodepng { #ifdef LODEPNG_COMPILE_PNG class State : public LodePNGState { public: State(); State(const State& other); ~State(); State& operator=(const State& other); }; #ifdef LODEPNG_COMPILE_DECODER /* Same as other lodepng::decode, but using a State for more settings and information. */ unsigned decode(std::vector& out, unsigned& w, unsigned& h, State& state, const unsigned char* in, size_t insize); unsigned decode(std::vector& out, unsigned& w, unsigned& h, State& state, const std::vector& in); #endif /*LODEPNG_COMPILE_DECODER*/ #ifdef LODEPNG_COMPILE_ENCODER /* Same as other lodepng::encode, but using a State for more settings and information. */ unsigned encode(std::vector& out, const unsigned char* in, unsigned w, unsigned h, State& state); unsigned encode(std::vector& out, const std::vector& in, unsigned w, unsigned h, State& state); #endif /*LODEPNG_COMPILE_ENCODER*/ #ifdef LODEPNG_COMPILE_DISK /* Load a file from disk into an std::vector. return value: error code (0 means ok) NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and decode in-memory */ unsigned load_file(std::vector& buffer, const std::string& filename); /* Save the binary data in an std::vector to a file on disk. The file is overwritten without warning. NOTE: Wide-character filenames are not supported, you can use an external method to handle such files and encode in-memory */ unsigned save_file(const std::vector& buffer, const std::string& filename); #endif /* LODEPNG_COMPILE_DISK */ #endif /* LODEPNG_COMPILE_PNG */ #ifdef LODEPNG_COMPILE_ZLIB #ifdef LODEPNG_COMPILE_DECODER /* Zlib-decompress an unsigned char buffer */ unsigned decompress(std::vector& out, const unsigned char* in, size_t insize, const LodePNGDecompressSettings& settings = lodepng_default_decompress_settings); /* Zlib-decompress an std::vector */ unsigned decompress(std::vector& out, const std::vector& in, const LodePNGDecompressSettings& settings = lodepng_default_decompress_settings); #endif /* LODEPNG_COMPILE_DECODER */ #ifdef LODEPNG_COMPILE_ENCODER /* Zlib-compress an unsigned char buffer */ unsigned compress(std::vector& out, const unsigned char* in, size_t insize, const LodePNGCompressSettings& settings = lodepng_default_compress_settings); /* Zlib-compress an std::vector */ unsigned compress(std::vector& out, const std::vector& in, const LodePNGCompressSettings& settings = lodepng_default_compress_settings); #endif /* LODEPNG_COMPILE_ENCODER */ #endif /* LODEPNG_COMPILE_ZLIB */ } /* namespace lodepng */ #endif /*LODEPNG_COMPILE_CPP*/ /* TODO: [.] test if there are no memory leaks or security exploits - done a lot but needs to be checked often [.] check compatibility with various compilers - done but needs to be redone for every newer version [X] converting color to 16-bit per channel types [X] support color profile chunk types (but never let them touch RGB values by default) [ ] support all public PNG chunk types (almost done except sPLT and hIST) [ ] make sure encoder generates no chunks with size > (2^31)-1 [ ] partial decoding (stream processing) [X] let the "isFullyOpaque" function check color keys and transparent palettes too [X] better name for the variables "codes", "codesD", "codelengthcodes", "clcl" and "lldl" [ ] allow treating some errors like warnings, when image is recoverable (e.g. 69, 57, 58) [ ] make warnings like: oob palette, checksum fail, data after iend, wrong/unknown crit chunk, no null terminator in text, ... [ ] error messages with line numbers (and version) [ ] errors in state instead of as return code? [ ] new errors/warnings like suspiciously big decompressed ztxt or iccp chunk [ ] let the C++ wrapper catch exceptions coming from the standard library and return LodePNG error codes [ ] allow user to provide custom color conversion functions, e.g. for premultiplied alpha, padding bits or not, ... [ ] allow user to give data (void*) to custom allocator [X] provide alternatives for C library functions not present on some platforms (memcpy, ...) */ #endif /*LODEPNG_H inclusion guard*/ /* LodePNG Documentation --------------------- 0. table of contents -------------------- 1. about 1.1. supported features 1.2. features not supported 2. C and C++ version 3. security 4. decoding 5. encoding 6. color conversions 6.1. PNG color types 6.2. color conversions 6.3. padding bits 6.4. A note about 16-bits per channel and endianness 7. error values 8. chunks and PNG editing 9. compiler support 10. examples 10.1. decoder C++ example 10.2. decoder C example 11. state settings reference 12. changes 13. contact information 1. about -------- PNG is a file format to store raster images losslessly with good compression, supporting different color types and alpha channel. LodePNG is a PNG codec according to the Portable Network Graphics (PNG) Specification (Second Edition) - W3C Recommendation 10 November 2003. The specifications used are: *) Portable Network Graphics (PNG) Specification (Second Edition): http://www.w3.org/TR/2003/REC-PNG-20031110 *) RFC 1950 ZLIB Compressed Data Format version 3.3: http://www.gzip.org/zlib/rfc-zlib.html *) RFC 1951 DEFLATE Compressed Data Format Specification ver 1.3: http://www.gzip.org/zlib/rfc-deflate.html The most recent version of LodePNG can currently be found at http://lodev.org/lodepng/ LodePNG works both in C (ISO C90) and C++, with a C++ wrapper that adds extra functionality. LodePNG exists out of two files: -lodepng.h: the header file for both C and C++ -lodepng.c(pp): give it the name lodepng.c or lodepng.cpp (or .cc) depending on your usage If you want to start using LodePNG right away without reading this doc, get the examples from the LodePNG website to see how to use it in code, or check the smaller examples in chapter 13 here. LodePNG is simple but only supports the basic requirements. To achieve simplicity, the following design choices were made: There are no dependencies on any external library. There are functions to decode and encode a PNG with a single function call, and extended versions of these functions taking a LodePNGState struct allowing to specify or get more information. By default the colors of the raw image are always RGB or RGBA, no matter what color type the PNG file uses. To read and write files, there are simple functions to convert the files to/from buffers in memory. This all makes LodePNG suitable for loading textures in games, demos and small programs, ... It's less suitable for full fledged image editors, loading PNGs over network (it requires all the image data to be available before decoding can begin), life-critical systems, ... 1.1. supported features ----------------------- The following features are supported by the decoder: *) decoding of PNGs with any color type, bit depth and interlace mode, to a 24- or 32-bit color raw image, or the same color type as the PNG *) encoding of PNGs, from any raw image to 24- or 32-bit color, or the same color type as the raw image *) Adam7 interlace and deinterlace for any color type *) loading the image from harddisk or decoding it from a buffer from other sources than harddisk *) support for alpha channels, including RGBA color model, translucent palettes and color keying *) zlib decompression (inflate) *) zlib compression (deflate) *) CRC32 and ADLER32 checksums *) colorimetric color profile conversions: currently experimentally available in lodepng_util.cpp only, plus alternatively ability to pass on chroma/gamma/ICC profile information to other color management system. *) handling of unknown chunks, allowing making a PNG editor that stores custom and unknown chunks. *) the following chunks are supported by both encoder and decoder: IHDR: header information PLTE: color palette IDAT: pixel data IEND: the final chunk tRNS: transparency for palettized images tEXt: textual information zTXt: compressed textual information iTXt: international textual information bKGD: suggested background color pHYs: physical dimensions tIME: modification time cHRM: RGB chromaticities gAMA: RGB gamma correction iCCP: ICC color profile sRGB: rendering intent sBIT: significant bits 1.2. features not supported --------------------------- The following features are not (yet) supported: *) some features needed to make a conformant PNG-Editor might be still missing. *) partial loading/stream processing. All data must be available and is processed in one call. *) The hIST and sPLT public chunks are not (yet) supported but treated as unknown chunks 2. C and C++ version -------------------- The C version uses buffers allocated with alloc that you need to free() yourself. You need to use init and cleanup functions for each struct whenever using a struct from the C version to avoid exploits and memory leaks. The C++ version has extra functions with std::vectors in the interface and the lodepng::State class which is a LodePNGState with constructor and destructor. These files work without modification for both C and C++ compilers because all the additional C++ code is in "#ifdef __cplusplus" blocks that make C-compilers ignore it, and the C code is made to compile both with strict ISO C90 and C++. To use the C++ version, you need to rename the source file to lodepng.cpp (instead of lodepng.c), and compile it with a C++ compiler. To use the C version, you need to rename the source file to lodepng.c (instead of lodepng.cpp), and compile it with a C compiler. 3. Security ----------- Even if carefully designed, it's always possible that LodePNG contains possible exploits. If you discover one, please let me know, and it will be fixed. When using LodePNG, care has to be taken with the C version of LodePNG, as well as the C-style structs when working with C++. The following conventions are used for all C-style structs: -if a struct has a corresponding init function, always call the init function when making a new one -if a struct has a corresponding cleanup function, call it before the struct disappears to avoid memory leaks -if a struct has a corresponding copy function, use the copy function instead of "=". The destination must also be inited already. 4. Decoding ----------- Decoding converts a PNG compressed image to a raw pixel buffer. Most documentation on using the decoder is at its declarations in the header above. For C, simple decoding can be done with functions such as lodepng_decode32, and more advanced decoding can be done with the struct LodePNGState and lodepng_decode. For C++, all decoding can be done with the various lodepng::decode functions, and lodepng::State can be used for advanced features. When using the LodePNGState, it uses the following fields for decoding: *) LodePNGInfo info_png: it stores extra information about the PNG (the input) in here *) LodePNGColorMode info_raw: here you can say what color mode of the raw image (the output) you want to get *) LodePNGDecoderSettings decoder: you can specify a few extra settings for the decoder to use LodePNGInfo info_png -------------------- After decoding, this contains extra information of the PNG image, except the actual pixels, width and height because these are already gotten directly from the decoder functions. It contains for example the original color type of the PNG image, text comments, suggested background color, etc... More details about the LodePNGInfo struct are at its declaration documentation. LodePNGColorMode info_raw ------------------------- When decoding, here you can specify which color type you want the resulting raw image to be. If this is different from the colortype of the PNG, then the decoder will automatically convert the result. This conversion always works, except if you want it to convert a color PNG to grayscale or to a palette with missing colors. By default, 32-bit color is used for the result. LodePNGDecoderSettings decoder ------------------------------ The settings can be used to ignore the errors created by invalid CRC and Adler32 chunks, and to disable the decoding of tEXt chunks. There's also a setting color_convert, true by default. If false, no conversion is done, the resulting data will be as it was in the PNG (after decompression) and you'll have to puzzle the colors of the pixels together yourself using the color type information in the LodePNGInfo. 5. Encoding ----------- Encoding converts a raw pixel buffer to a PNG compressed image. Most documentation on using the encoder is at its declarations in the header above. For C, simple encoding can be done with functions such as lodepng_encode32, and more advanced decoding can be done with the struct LodePNGState and lodepng_encode. For C++, all encoding can be done with the various lodepng::encode functions, and lodepng::State can be used for advanced features. Like the decoder, the encoder can also give errors. However it gives less errors since the encoder input is trusted, the decoder input (a PNG image that could be forged by anyone) is not trusted. When using the LodePNGState, it uses the following fields for encoding: *) LodePNGInfo info_png: here you specify how you want the PNG (the output) to be. *) LodePNGColorMode info_raw: here you say what color type of the raw image (the input) has *) LodePNGEncoderSettings encoder: you can specify a few settings for the encoder to use LodePNGInfo info_png -------------------- When encoding, you use this the opposite way as when decoding: for encoding, you fill in the values you want the PNG to have before encoding. By default it's not needed to specify a color type for the PNG since it's automatically chosen, but it's possible to choose it yourself given the right settings. The encoder will not always exactly match the LodePNGInfo struct you give, it tries as close as possible. Some things are ignored by the encoder. The encoder uses, for example, the following settings from it when applicable: colortype and bitdepth, text chunks, time chunk, the color key, the palette, the background color, the interlace method, unknown chunks, ... When encoding to a PNG with colortype 3, the encoder will generate a PLTE chunk. If the palette contains any colors for which the alpha channel is not 255 (so there are translucent colors in the palette), it'll add a tRNS chunk. LodePNGColorMode info_raw ------------------------- You specify the color type of the raw image that you give to the input here, including a possible transparent color key and palette you happen to be using in your raw image data. By default, 32-bit color is assumed, meaning your input has to be in RGBA format with 4 bytes (unsigned chars) per pixel. LodePNGEncoderSettings encoder ------------------------------ The following settings are supported (some are in sub-structs): *) auto_convert: when this option is enabled, the encoder will automatically choose the smallest possible color mode (including color key) that can encode the colors of all pixels without information loss. *) btype: the block type for LZ77. 0 = uncompressed, 1 = fixed huffman tree, 2 = dynamic huffman tree (best compression). Should be 2 for proper compression. *) use_lz77: whether or not to use LZ77 for compressed block types. Should be true for proper compression. *) windowsize: the window size used by the LZ77 encoder (1 - 32768). Has value 2048 by default, but can be set to 32768 for better, but slow, compression. *) force_palette: if colortype is 2 or 6, you can make the encoder write a PLTE chunk if force_palette is true. This can used as suggested palette to convert to by viewers that don't support more than 256 colors (if those still exist) *) add_id: add text chunk "Encoder: LodePNG " to the image. *) text_compression: default 1. If 1, it'll store texts as zTXt instead of tEXt chunks. zTXt chunks use zlib compression on the text. This gives a smaller result on large texts but a larger result on small texts (such as a single program name). It's all tEXt or all zTXt though, there's no separate setting per text yet. 6. color conversions -------------------- An important thing to note about LodePNG, is that the color type of the PNG, and the color type of the raw image, are completely independent. By default, when you decode a PNG, you get the result as a raw image in the color type you want, no matter whether the PNG was encoded with a palette, grayscale or RGBA color. And if you encode an image, by default LodePNG will automatically choose the PNG color type that gives good compression based on the values of colors and amount of colors in the image. It can be configured to let you control it instead as well, though. To be able to do this, LodePNG does conversions from one color mode to another. It can convert from almost any color type to any other color type, except the following conversions: RGB to grayscale is not supported, and converting to a palette when the palette doesn't have a required color is not supported. This is not supported on purpose: this is information loss which requires a color reduction algorithm that is beyond the scope of a PNG encoder (yes, RGB to gray is easy, but there are multiple ways if you want to give some channels more weight). By default, when decoding, you get the raw image in 32-bit RGBA or 24-bit RGB color, no matter what color type the PNG has. And by default when encoding, LodePNG automatically picks the best color model for the output PNG, and expects the input image to be 32-bit RGBA or 24-bit RGB. So, unless you want to control the color format of the images yourself, you can skip this chapter. 6.1. PNG color types -------------------- A PNG image can have many color types, ranging from 1-bit color to 64-bit color, as well as palettized color modes. After the zlib decompression and unfiltering in the PNG image is done, the raw pixel data will have that color type and thus a certain amount of bits per pixel. If you want the output raw image after decoding to have another color type, a conversion is done by LodePNG. The PNG specification gives the following color types: 0: grayscale, bit depths 1, 2, 4, 8, 16 2: RGB, bit depths 8 and 16 3: palette, bit depths 1, 2, 4 and 8 4: grayscale with alpha, bit depths 8 and 16 6: RGBA, bit depths 8 and 16 Bit depth is the amount of bits per pixel per color channel. So the total amount of bits per pixel is: amount of channels * bitdepth. 6.2. color conversions ---------------------- As explained in the sections about the encoder and decoder, you can specify color types and bit depths in info_png and info_raw to change the default behaviour. If, when decoding, you want the raw image to be something else than the default, you need to set the color type and bit depth you want in the LodePNGColorMode, or the parameters colortype and bitdepth of the simple decoding function. If, when encoding, you use another color type than the default in the raw input image, you need to specify its color type and bit depth in the LodePNGColorMode of the raw image, or use the parameters colortype and bitdepth of the simple encoding function. If, when encoding, you don't want LodePNG to choose the output PNG color type but control it yourself, you need to set auto_convert in the encoder settings to false, and specify the color type you want in the LodePNGInfo of the encoder (including palette: it can generate a palette if auto_convert is true, otherwise not). If the input and output color type differ (whether user chosen or auto chosen), LodePNG will do a color conversion, which follows the rules below, and may sometimes result in an error. To avoid some confusion: -the decoder converts from PNG to raw image -the encoder converts from raw image to PNG -the colortype and bitdepth in LodePNGColorMode info_raw, are those of the raw image -the colortype and bitdepth in the color field of LodePNGInfo info_png, are those of the PNG -when encoding, the color type in LodePNGInfo is ignored if auto_convert is enabled, it is automatically generated instead -when decoding, the color type in LodePNGInfo is set by the decoder to that of the original PNG image, but it can be ignored since the raw image has the color type you requested instead -if the color type of the LodePNGColorMode and PNG image aren't the same, a conversion between the color types is done if the color types are supported. If it is not supported, an error is returned. If the types are the same, no conversion is done. -even though some conversions aren't supported, LodePNG supports loading PNGs from any colortype and saving PNGs to any colortype, sometimes it just requires preparing the raw image correctly before encoding. -both encoder and decoder use the same color converter. The function lodepng_convert does the color conversion. It is available in the interface but normally isn't needed since the encoder and decoder already call it. Non supported color conversions: -color to grayscale when non-gray pixels are present: no error is thrown, but the result will look ugly because only the red channel is taken (it assumes all three channels are the same in this case so ignores green and blue). The reason no error is given is to allow converting from three-channel grayscale images to one-channel even if there are numerical imprecisions. -anything to palette when the palette does not have an exact match for a from-color in it: in this case an error is thrown Supported color conversions: -anything to 8-bit RGB, 8-bit RGBA, 16-bit RGB, 16-bit RGBA -any gray or gray+alpha, to gray or gray+alpha -anything to a palette, as long as the palette has the requested colors in it -removing alpha channel -higher to smaller bitdepth, and vice versa If you want no color conversion to be done (e.g. for speed or control): -In the encoder, you can make it save a PNG with any color type by giving the raw color mode and LodePNGInfo the same color mode, and setting auto_convert to false. -In the decoder, you can make it store the pixel data in the same color type as the PNG has, by setting the color_convert setting to false. Settings in info_raw are then ignored. 6.3. padding bits ----------------- In the PNG file format, if a less than 8-bit per pixel color type is used and the scanlines have a bit amount that isn't a multiple of 8, then padding bits are used so that each scanline starts at a fresh byte. But that is NOT true for the LodePNG raw input and output. The raw input image you give to the encoder, and the raw output image you get from the decoder will NOT have these padding bits, e.g. in the case of a 1-bit image with a width of 7 pixels, the first pixel of the second scanline will the 8th bit of the first byte, not the first bit of a new byte. 6.4. A note about 16-bits per channel and endianness ---------------------------------------------------- LodePNG uses unsigned char arrays for 16-bit per channel colors too, just like for any other color format. The 16-bit values are stored in big endian (most significant byte first) in these arrays. This is the opposite order of the little endian used by x86 CPU's. LodePNG always uses big endian because the PNG file format does so internally. Conversions to other formats than PNG uses internally are not supported by LodePNG on purpose, there are myriads of formats, including endianness of 16-bit colors, the order in which you store R, G, B and A, and so on. Supporting and converting to/from all that is outside the scope of LodePNG. This may mean that, depending on your use case, you may want to convert the big endian output of LodePNG to little endian with a for loop. This is certainly not always needed, many applications and libraries support big endian 16-bit colors anyway, but it means you cannot simply cast the unsigned char* buffer to an unsigned short* buffer on x86 CPUs. 7. error values --------------- All functions in LodePNG that return an error code, return 0 if everything went OK, or a non-zero code if there was an error. The meaning of the LodePNG error values can be retrieved with the function lodepng_error_text: given the numerical error code, it returns a description of the error in English as a string. Check the implementation of lodepng_error_text to see the meaning of each code. It is not recommended to use the numerical values to programmatically make different decisions based on error types as the numbers are not guaranteed to stay backwards compatible. They are for human consumption only. Programmatically only 0 or non-0 matter. 8. chunks and PNG editing ------------------------- If you want to add extra chunks to a PNG you encode, or use LodePNG for a PNG editor that should follow the rules about handling of unknown chunks, or if your program is able to read other types of chunks than the ones handled by LodePNG, then that's possible with the chunk functions of LodePNG. A PNG chunk has the following layout: 4 bytes length 4 bytes type name length bytes data 4 bytes CRC 8.1. iterating through chunks ----------------------------- If you have a buffer containing the PNG image data, then the first chunk (the IHDR chunk) starts at byte number 8 of that buffer. The first 8 bytes are the signature of the PNG and are not part of a chunk. But if you start at byte 8 then you have a chunk, and can check the following things of it. NOTE: none of these functions check for memory buffer boundaries. To avoid exploits, always make sure the buffer contains all the data of the chunks. When using lodepng_chunk_next, make sure the returned value is within the allocated memory. unsigned lodepng_chunk_length(const unsigned char* chunk): Get the length of the chunk's data. The total chunk length is this length + 12. void lodepng_chunk_type(char type[5], const unsigned char* chunk): unsigned char lodepng_chunk_type_equals(const unsigned char* chunk, const char* type): Get the type of the chunk or compare if it's a certain type unsigned char lodepng_chunk_critical(const unsigned char* chunk): unsigned char lodepng_chunk_private(const unsigned char* chunk): unsigned char lodepng_chunk_safetocopy(const unsigned char* chunk): Check if the chunk is critical in the PNG standard (only IHDR, PLTE, IDAT and IEND are). Check if the chunk is private (public chunks are part of the standard, private ones not). Check if the chunk is safe to copy. If it's not, then, when modifying data in a critical chunk, unsafe to copy chunks of the old image may NOT be saved in the new one if your program doesn't handle that type of unknown chunk. unsigned char* lodepng_chunk_data(unsigned char* chunk): const unsigned char* lodepng_chunk_data_const(const unsigned char* chunk): Get a pointer to the start of the data of the chunk. unsigned lodepng_chunk_check_crc(const unsigned char* chunk): void lodepng_chunk_generate_crc(unsigned char* chunk): Check if the crc is correct or generate a correct one. unsigned char* lodepng_chunk_next(unsigned char* chunk): const unsigned char* lodepng_chunk_next_const(const unsigned char* chunk): Iterate to the next chunk. This works if you have a buffer with consecutive chunks. Note that these functions do no boundary checking of the allocated data whatsoever, so make sure there is enough data available in the buffer to be able to go to the next chunk. unsigned lodepng_chunk_append(unsigned char** out, size_t* outsize, const unsigned char* chunk): unsigned lodepng_chunk_create(unsigned char** out, size_t* outsize, unsigned length, const char* type, const unsigned char* data): These functions are used to create new chunks that are appended to the data in *out that has length *outsize. The append function appends an existing chunk to the new data. The create function creates a new chunk with the given parameters and appends it. Type is the 4-letter name of the chunk. 8.2. chunks in info_png ----------------------- The LodePNGInfo struct contains fields with the unknown chunk in it. It has 3 buffers (each with size) to contain 3 types of unknown chunks: the ones that come before the PLTE chunk, the ones that come between the PLTE and the IDAT chunks, and the ones that come after the IDAT chunks. It's necessary to make the distinction between these 3 cases because the PNG standard forces to keep the ordering of unknown chunks compared to the critical chunks, but does not force any other ordering rules. info_png.unknown_chunks_data[0] is the chunks before PLTE info_png.unknown_chunks_data[1] is the chunks after PLTE, before IDAT info_png.unknown_chunks_data[2] is the chunks after IDAT The chunks in these 3 buffers can be iterated through and read by using the same way described in the previous subchapter. When using the decoder to decode a PNG, you can make it store all unknown chunks if you set the option settings.remember_unknown_chunks to 1. By default, this option is off (0). The encoder will always encode unknown chunks that are stored in the info_png. If you need it to add a particular chunk that isn't known by LodePNG, you can use lodepng_chunk_append or lodepng_chunk_create to the chunk data in info_png.unknown_chunks_data[x]. Chunks that are known by LodePNG should not be added in that way. E.g. to make LodePNG add a bKGD chunk, set background_defined to true and add the correct parameters there instead. 9. compiler support ------------------- No libraries other than the current standard C library are needed to compile LodePNG. For the C++ version, only the standard C++ library is needed on top. Add the files lodepng.c(pp) and lodepng.h to your project, include lodepng.h where needed, and your program can read/write PNG files. It is compatible with C90 and up, and C++03 and up. If performance is important, use optimization when compiling! For both the encoder and decoder, this makes a large difference. Make sure that LodePNG is compiled with the same compiler of the same version and with the same settings as the rest of the program, or the interfaces with std::vectors and std::strings in C++ can be incompatible. CHAR_BITS must be 8 or higher, because LodePNG uses unsigned chars for octets. *) gcc and g++ LodePNG is developed in gcc so this compiler is natively supported. It gives no warnings with compiler options "-Wall -Wextra -pedantic -ansi", with gcc and g++ version 4.7.1 on Linux, 32-bit and 64-bit. *) Clang Fully supported and warning-free. *) Mingw The Mingw compiler (a port of gcc for Windows) should be fully supported by LodePNG. *) Visual Studio and Visual C++ Express Edition LodePNG should be warning-free with warning level W4. Two warnings were disabled with pragmas though: warning 4244 about implicit conversions, and warning 4996 where it wants to use a non-standard function fopen_s instead of the standard C fopen. Visual Studio may want "stdafx.h" files to be included in each source file and give an error "unexpected end of file while looking for precompiled header". This is not standard C++ and will not be added to the stock LodePNG. You can disable it for lodepng.cpp only by right clicking it, Properties, C/C++, Precompiled Headers, and set it to Not Using Precompiled Headers there. NOTE: Modern versions of VS should be fully supported, but old versions, e.g. VS6, are not guaranteed to work. *) Compilers on Macintosh LodePNG has been reported to work both with gcc and LLVM for Macintosh, both for C and C++. *) Other Compilers If you encounter problems on any compilers, feel free to let me know and I may try to fix it if the compiler is modern and standards compliant. 10. examples ------------ This decoder example shows the most basic usage of LodePNG. More complex examples can be found on the LodePNG website. NOTE: these examples do not support wide-character filenames, you can use an external method to handle such files and encode or decode in-memory 10.1. decoder C++ example ------------------------- #include "lodepng.h" #include int main(int argc, char *argv[]) { const char* filename = argc > 1 ? argv[1] : "test.png"; //load and decode std::vector image; unsigned width, height; unsigned error = lodepng::decode(image, width, height, filename); //if there's an error, display it if(error) std::cout << "decoder error " << error << ": " << lodepng_error_text(error) << std::endl; //the pixels are now in the vector "image", 4 bytes per pixel, ordered RGBARGBA..., use it as texture, draw it, ... } 10.2. decoder C example ----------------------- #include "lodepng.h" int main(int argc, char *argv[]) { unsigned error; unsigned char* image; size_t width, height; const char* filename = argc > 1 ? argv[1] : "test.png"; error = lodepng_decode32_file(&image, &width, &height, filename); if(error) printf("decoder error %u: %s\n", error, lodepng_error_text(error)); / * use image here * / free(image); return 0; } 11. state settings reference ---------------------------- A quick reference of some settings to set on the LodePNGState For decoding: state.decoder.zlibsettings.ignore_adler32: ignore ADLER32 checksums state.decoder.zlibsettings.custom_...: use custom inflate function state.decoder.ignore_crc: ignore CRC checksums state.decoder.ignore_critical: ignore unknown critical chunks state.decoder.ignore_end: ignore missing IEND chunk. May fail if this corruption causes other errors state.decoder.color_convert: convert internal PNG color to chosen one state.decoder.read_text_chunks: whether to read in text metadata chunks state.decoder.remember_unknown_chunks: whether to read in unknown chunks state.info_raw.colortype: desired color type for decoded image state.info_raw.bitdepth: desired bit depth for decoded image state.info_raw....: more color settings, see struct LodePNGColorMode state.info_png....: no settings for decoder but ouput, see struct LodePNGInfo For encoding: state.encoder.zlibsettings.btype: disable compression by setting it to 0 state.encoder.zlibsettings.use_lz77: use LZ77 in compression state.encoder.zlibsettings.windowsize: tweak LZ77 windowsize state.encoder.zlibsettings.minmatch: tweak min LZ77 length to match state.encoder.zlibsettings.nicematch: tweak LZ77 match where to stop searching state.encoder.zlibsettings.lazymatching: try one more LZ77 matching state.encoder.zlibsettings.custom_...: use custom deflate function state.encoder.auto_convert: choose optimal PNG color type, if 0 uses info_png state.encoder.filter_palette_zero: PNG filter strategy for palette state.encoder.filter_strategy: PNG filter strategy to encode with state.encoder.force_palette: add palette even if not encoding to one state.encoder.add_id: add LodePNG identifier and version as a text chunk state.encoder.text_compression: use compressed text chunks for metadata state.info_raw.colortype: color type of raw input image you provide state.info_raw.bitdepth: bit depth of raw input image you provide state.info_raw: more color settings, see struct LodePNGColorMode state.info_png.color.colortype: desired color type if auto_convert is false state.info_png.color.bitdepth: desired bit depth if auto_convert is false state.info_png.color....: more color settings, see struct LodePNGColorMode state.info_png....: more PNG related settings, see struct LodePNGInfo 12. changes ----------- The version number of LodePNG is the date of the change given in the format yyyymmdd. Some changes aren't backwards compatible. Those are indicated with a (!) symbol. Not all changes are listed here, the commit history in github lists more: https://github.com/lvandeve/lodepng *) 13 jun 2022: added support for the sBIT chunk. *) 09 jan 2022: minor decoder speed improvements. *) 27 jun 2021: added warnings that file reading/writing functions don't support wide-character filenames (support for this is not planned, opening files is not the core part of PNG decoding/decoding and is platform dependent). *) 17 okt 2020: prevent decoding too large text/icc chunks by default. *) 06 mar 2020: simplified some of the dynamic memory allocations. *) 12 jan 2020: (!) added 'end' argument to lodepng_chunk_next to allow correct overflow checks. *) 14 aug 2019: around 25% faster decoding thanks to huffman lookup tables. *) 15 jun 2019: (!) auto_choose_color API changed (for bugfix: don't use palette if gray ICC profile) and non-ICC LodePNGColorProfile renamed to LodePNGColorStats. *) 30 dec 2018: code style changes only: removed newlines before opening braces. *) 10 sep 2018: added way to inspect metadata chunks without full decoding. *) 19 aug 2018: (!) fixed color mode bKGD is encoded with and made it use palette index in case of palette. *) 10 aug 2018: (!) added support for gAMA, cHRM, sRGB and iCCP chunks. This change is backwards compatible unless you relied on unknown_chunks for those. *) 11 jun 2018: less restrictive check for pixel size integer overflow *) 14 jan 2018: allow optionally ignoring a few more recoverable errors *) 17 sep 2017: fix memory leak for some encoder input error cases *) 27 nov 2016: grey+alpha auto color model detection bugfix *) 18 apr 2016: Changed qsort to custom stable sort (for platforms w/o qsort). *) 09 apr 2016: Fixed colorkey usage detection, and better file loading (within the limits of pure C90). *) 08 dec 2015: Made load_file function return error if file can't be opened. *) 24 okt 2015: Bugfix with decoding to palette output. *) 18 apr 2015: Boundary PM instead of just package-merge for faster encoding. *) 24 aug 2014: Moved to github *) 23 aug 2014: Reduced needless memory usage of decoder. *) 28 jun 2014: Removed fix_png setting, always support palette OOB for simplicity. Made ColorProfile public. *) 09 jun 2014: Faster encoder by fixing hash bug and more zeros optimization. *) 22 dec 2013: Power of two windowsize required for optimization. *) 15 apr 2013: Fixed bug with LAC_ALPHA and color key. *) 25 mar 2013: Added an optional feature to ignore some PNG errors (fix_png). *) 11 mar 2013: (!) Bugfix with custom free. Changed from "my" to "lodepng_" prefix for the custom allocators and made it possible with a new #define to use custom ones in your project without needing to change lodepng's code. *) 28 jan 2013: Bugfix with color key. *) 27 okt 2012: Tweaks in text chunk keyword length error handling. *) 8 okt 2012: (!) Added new filter strategy (entropy) and new auto color mode. (no palette). Better deflate tree encoding. New compression tweak settings. Faster color conversions while decoding. Some internal cleanups. *) 23 sep 2012: Reduced warnings in Visual Studio a little bit. *) 1 sep 2012: (!) Removed #define's for giving custom (de)compression functions and made it work with function pointers instead. *) 23 jun 2012: Added more filter strategies. Made it easier to use custom alloc and free functions and toggle #defines from compiler flags. Small fixes. *) 6 may 2012: (!) Made plugging in custom zlib/deflate functions more flexible. *) 22 apr 2012: (!) Made interface more consistent, renaming a lot. Removed redundant C++ codec classes. Reduced amount of structs. Everything changed, but it is cleaner now imho and functionality remains the same. Also fixed several bugs and shrunk the implementation code. Made new samples. *) 6 nov 2011: (!) By default, the encoder now automatically chooses the best PNG color model and bit depth, based on the amount and type of colors of the raw image. For this, autoLeaveOutAlphaChannel replaced by auto_choose_color. *) 9 okt 2011: simpler hash chain implementation for the encoder. *) 8 sep 2011: lz77 encoder lazy matching instead of greedy matching. *) 23 aug 2011: tweaked the zlib compression parameters after benchmarking. A bug with the PNG filtertype heuristic was fixed, so that it chooses much better ones (it's quite significant). A setting to do an experimental, slow, brute force search for PNG filter types is added. *) 17 aug 2011: (!) changed some C zlib related function names. *) 16 aug 2011: made the code less wide (max 120 characters per line). *) 17 apr 2011: code cleanup. Bugfixes. Convert low to 16-bit per sample colors. *) 21 feb 2011: fixed compiling for C90. Fixed compiling with sections disabled. *) 11 dec 2010: encoding is made faster, based on suggestion by Peter Eastman to optimize long sequences of zeros. *) 13 nov 2010: added LodePNG_InfoColor_hasPaletteAlpha and LodePNG_InfoColor_canHaveAlpha functions for convenience. *) 7 nov 2010: added LodePNG_error_text function to get error code description. *) 30 okt 2010: made decoding slightly faster *) 26 okt 2010: (!) changed some C function and struct names (more consistent). Reorganized the documentation and the declaration order in the header. *) 08 aug 2010: only changed some comments and external samples. *) 05 jul 2010: fixed bug thanks to warnings in the new gcc version. *) 14 mar 2010: fixed bug where too much memory was allocated for char buffers. *) 02 sep 2008: fixed bug where it could create empty tree that linux apps could read by ignoring the problem but windows apps couldn't. *) 06 jun 2008: added more error checks for out of memory cases. *) 26 apr 2008: added a few more checks here and there to ensure more safety. *) 06 mar 2008: crash with encoding of strings fixed *) 02 feb 2008: support for international text chunks added (iTXt) *) 23 jan 2008: small cleanups, and #defines to divide code in sections *) 20 jan 2008: support for unknown chunks allowing using LodePNG for an editor. *) 18 jan 2008: support for tIME and pHYs chunks added to encoder and decoder. *) 17 jan 2008: ability to encode and decode compressed zTXt chunks added Also various fixes, such as in the deflate and the padding bits code. *) 13 jan 2008: Added ability to encode Adam7-interlaced images. Improved filtering code of encoder. *) 07 jan 2008: (!) changed LodePNG to use ISO C90 instead of C++. A C++ wrapper around this provides an interface almost identical to before. Having LodePNG be pure ISO C90 makes it more portable. The C and C++ code are together in these files but it works both for C and C++ compilers. *) 29 dec 2007: (!) changed most integer types to unsigned int + other tweaks *) 30 aug 2007: bug fixed which makes this Borland C++ compatible *) 09 aug 2007: some VS2005 warnings removed again *) 21 jul 2007: deflate code placed in new namespace separate from zlib code *) 08 jun 2007: fixed bug with 2- and 4-bit color, and small interlaced images *) 04 jun 2007: improved support for Visual Studio 2005: crash with accessing invalid std::vector element [0] fixed, and level 3 and 4 warnings removed *) 02 jun 2007: made the encoder add a tag with version by default *) 27 may 2007: zlib and png code separated (but still in the same file), simple encoder/decoder functions added for more simple usage cases *) 19 may 2007: minor fixes, some code cleaning, new error added (error 69), moved some examples from here to lodepng_examples.cpp *) 12 may 2007: palette decoding bug fixed *) 24 apr 2007: changed the license from BSD to the zlib license *) 11 mar 2007: very simple addition: ability to encode bKGD chunks. *) 04 mar 2007: (!) tEXt chunk related fixes, and support for encoding palettized PNG images. Plus little interface change with palette and texts. *) 03 mar 2007: Made it encode dynamic Huffman shorter with repeat codes. Fixed a bug where the end code of a block had length 0 in the Huffman tree. *) 26 feb 2007: Huffman compression with dynamic trees (BTYPE 2) now implemented and supported by the encoder, resulting in smaller PNGs at the output. *) 27 jan 2007: Made the Adler-32 test faster so that a timewaste is gone. *) 24 jan 2007: gave encoder an error interface. Added color conversion from any greyscale type to 8-bit greyscale with or without alpha. *) 21 jan 2007: (!) Totally changed the interface. It allows more color types to convert to and is more uniform. See the manual for how it works now. *) 07 jan 2007: Some cleanup & fixes, and a few changes over the last days: encode/decode custom tEXt chunks, separate classes for zlib & deflate, and at last made the decoder give errors for incorrect Adler32 or Crc. *) 01 jan 2007: Fixed bug with encoding PNGs with less than 8 bits per channel. *) 29 dec 2006: Added support for encoding images without alpha channel, and cleaned out code as well as making certain parts faster. *) 28 dec 2006: Added "Settings" to the encoder. *) 26 dec 2006: The encoder now does LZ77 encoding and produces much smaller files now. Removed some code duplication in the decoder. Fixed little bug in an example. *) 09 dec 2006: (!) Placed output parameters of public functions as first parameter. Fixed a bug of the decoder with 16-bit per color. *) 15 okt 2006: Changed documentation structure *) 09 okt 2006: Encoder class added. It encodes a valid PNG image from the given image buffer, however for now it's not compressed. *) 08 sep 2006: (!) Changed to interface with a Decoder class *) 30 jul 2006: (!) LodePNG_InfoPng , width and height are now retrieved in different way. Renamed decodePNG to decodePNGGeneric. *) 29 jul 2006: (!) Changed the interface: image info is now returned as a struct of type LodePNG::LodePNG_Info, instead of a vector, which was a bit clumsy. *) 28 jul 2006: Cleaned the code and added new error checks. Corrected terminology "deflate" into "inflate". *) 23 jun 2006: Added SDL example in the documentation in the header, this example allows easy debugging by displaying the PNG and its transparency. *) 22 jun 2006: (!) Changed way to obtain error value. Added loadFile function for convenience. Made decodePNG32 faster. *) 21 jun 2006: (!) Changed type of info vector to unsigned. Changed position of palette in info vector. Fixed an important bug that happened on PNGs with an uncompressed block. *) 16 jun 2006: Internally changed unsigned into unsigned where needed, and performed some optimizations. *) 07 jun 2006: (!) Renamed functions to decodePNG and placed them in LodePNG namespace. Changed the order of the parameters. Rewrote the documentation in the header. Renamed files to lodepng.cpp and lodepng.h *) 22 apr 2006: Optimized and improved some code *) 07 sep 2005: (!) Changed to std::vector interface *) 12 aug 2005: Initial release (C++, decoder only) 13. contact information ----------------------- Feel free to contact me with suggestions, problems, comments, ... concerning LodePNG. If you encounter a PNG image that doesn't work properly with this decoder, feel free to send it and I'll use it to find and fix the problem. My email address is (puzzle the account and domain together with an @ symbol): Domain: gmail dot com. Account: lode dot vandevenne. Copyright (c) 2005-2022 Lode Vandevenne */ litehtml-litehtml-6ca1ab0/containers/test/test_container.cpp000066400000000000000000000050371455631435400245230ustar00rootroot00000000000000#include "test_container.h" #include "Font.h" string readfile(string filename); // note: font is selected only by size, name and style are not used uint_ptr test_container::create_font(const char* faceName, int size, int weight, font_style italic, unsigned int decoration, font_metrics* fm) { Font* font = new Font(size); if (fm) { fm->ascent = font->ascent; fm->descent = font->descent; fm->height = font->height; fm->x_height = font->x_height; } return (uint_ptr)font; } int test_container::text_width(const char* text, uint_ptr hFont) { Font* font = (Font*)hFont; return (int)strlen(text) * font->width; } void test_container::draw_text(uint_ptr hdc, const char* text, uint_ptr hFont, web_color color, const position& pos) { Bitmap* bmp = (Bitmap*)hdc; Font* font = (Font*)hFont; int x = pos.x; for (auto p = text; *p; p++) { Bitmap glyph = font->get_glyph(*p, color); bmp->draw_bitmap(x, pos.y, glyph); x += glyph.width; } } int test_container::pt_to_px(int pt) const { return pt * 96 / 72; } int test_container::get_default_font_size() const { return 16; } const char* test_container::get_default_font_name() const { return ""; } void test_container::draw_background(uint_ptr hdc, const std::vector& bg) { Bitmap* bmp = (Bitmap*)hdc; bmp->fill_rect(bg.back().border_box, bg.back().color); } void test_container::draw_borders(uint_ptr hdc, const borders& borders, const position& pos, bool root) { Bitmap* bmp = (Bitmap*)hdc; // left border for (int x = 0; x < borders.left.width; x++) bmp->draw_line( pos.left() + x, pos.top(), pos.left() + x, pos.bottom(), borders.left.color); // right border for (int x = 0; x < borders.right.width; x++) bmp->draw_line( pos.right() - x - 1, pos.top(), pos.right() - x - 1, pos.bottom(), borders.right.color); // top border for (int y = 0; y < borders.top.width; y++) bmp->draw_line( pos.left(), pos.top() + y, pos.right(), pos.top() + y, borders.top.color); // bottom border for (int y = 0; y < borders.bottom.width; y++) bmp->draw_line( pos.left(), pos.bottom() - y - 1, pos.right(), pos.bottom() - y - 1, borders.bottom.color); } void test_container::draw_list_marker(uint_ptr hdc, const list_marker& marker) { Bitmap* bmp = (Bitmap*)hdc; bmp->fill_rect(marker.pos, marker.color); } void test_container::import_css(string& text, const string& url, string& baseurl) { baseurl = basedir + "/" + url; text = readfile(baseurl); } void test_container::get_client_rect(position& client) const { client = position(0, 0, width, height); } litehtml-litehtml-6ca1ab0/containers/test/test_container.h000066400000000000000000000041421455631435400241640ustar00rootroot00000000000000#include using namespace litehtml; class test_container : public document_container { public: int width; int height; string basedir; test_container(int width, int height, string basedir) : width(width), height(height), basedir(basedir) {} uint_ptr create_font(const char* faceName, int size, int weight, font_style italic, unsigned int decoration, font_metrics* fm) override; void delete_font(uint_ptr hFont) override {} int text_width(const char* text, uint_ptr hFont) override; void draw_text(uint_ptr hdc, const char* text, uint_ptr hFont, web_color color, const position& pos) override; int pt_to_px(int pt) const override; int get_default_font_size() const override; const char* get_default_font_name() const override; void load_image(const char* src, const char* baseurl, bool redraw_on_ready) override {} void get_image_size(const char* src, const char* baseurl, size& sz) override {} void draw_background(uint_ptr hdc, const std::vector& bg) override; void draw_borders(uint_ptr hdc, const borders& borders, const position& draw_pos, bool root) override; void draw_list_marker(uint_ptr hdc, const list_marker& marker) override; element::ptr create_element(const char* tag_name, const string_map& attributes, const document::ptr& doc) override { return 0; } void get_media_features(media_features& media) const override {} void get_language(string& language, string& culture) const override {} void link(const document::ptr& doc, const element::ptr& el) override {} void transform_text(string& text, text_transform tt) override {} void set_clip(const position& pos, const border_radiuses& bdr_radius) override {} void del_clip() override {} void set_caption(const char* caption) override {} void set_base_url(const char* base_url) override {} void on_anchor_click(const char* url, const element::ptr& el) override {} void set_cursor(const char* cursor) override {} void import_css(string& text, const string& url, string& baseurl) override; void get_client_rect(position& client) const override; };litehtml-litehtml-6ca1ab0/containers/win32/000077500000000000000000000000001455631435400207545ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/containers/win32/win32_container.cpp000066400000000000000000000260661455631435400244760ustar00rootroot00000000000000#include "win32_container.h" win32_container::win32_container() { m_hClipRgn = NULL; m_tmp_hdc = GetDC(NULL); InitializeCriticalSection(&m_img_sync); EnumFonts(m_tmp_hdc, NULL, EnumFontsProc, (LPARAM)this); m_installed_fonts.insert(L"monospace"); m_installed_fonts.insert(L"serif"); m_installed_fonts.insert(L"sans-serif"); m_installed_fonts.insert(L"fantasy"); m_installed_fonts.insert(L"cursive"); } win32_container::~win32_container() { DeleteCriticalSection(&m_img_sync); if(m_hClipRgn) { DeleteObject(m_hClipRgn); } ReleaseDC(NULL, m_tmp_hdc); } int CALLBACK win32_container::EnumFontsProc(const LOGFONT* lplf, const TEXTMETRIC* lptm, DWORD dwType, LPARAM lpData) { win32_container* container = (win32_container*)lpData; container->m_installed_fonts.insert(lplf->lfFaceName); return 1; } static LPCWSTR get_exact_font_name(LPCWSTR facename) { if (!lstrcmpi(facename, L"monospace")) return L"Courier New"; else if (!lstrcmpi(facename, L"serif")) return L"Times New Roman"; else if (!lstrcmpi(facename, L"sans-serif")) return L"Arial"; else if (!lstrcmpi(facename, L"fantasy")) return L"Impact"; else if (!lstrcmpi(facename, L"cursive")) return L"Comic Sans MS"; else return facename; } static void trim_quotes(litehtml::string& str) { if (str.front() == '"' || str.front() == '\'') str.erase(0, 1); if (str.back() == '"' || str.back() == '\'') str.erase(str.length() - 1, 1); } litehtml::uint_ptr win32_container::create_font( const char* font_list, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm ) { std::wstring font_name; litehtml::string_vector fonts; litehtml::split_string(font_list, fonts, ","); bool found = false; for (auto& name : fonts) { litehtml::trim(name); trim_quotes(name); std::wstring wname = (const wchar_t*)litehtml_to_wchar(name.c_str()); if (m_installed_fonts.count(wname)) { font_name = wname; found = true; break; } } if (!found) font_name = litehtml_to_wchar(get_default_font_name()); font_name = get_exact_font_name(font_name.c_str()); LOGFONT lf = {}; wcscpy_s(lf.lfFaceName, LF_FACESIZE, font_name.c_str()); lf.lfHeight = -size; lf.lfWeight = weight; lf.lfItalic = (italic == litehtml::font_style_italic) ? TRUE : FALSE; lf.lfCharSet = DEFAULT_CHARSET; lf.lfOutPrecision = OUT_DEFAULT_PRECIS; lf.lfClipPrecision = CLIP_DEFAULT_PRECIS; lf.lfQuality = DEFAULT_QUALITY; lf.lfStrikeOut = (decoration & litehtml::font_decoration_linethrough) ? TRUE : FALSE; lf.lfUnderline = (decoration & litehtml::font_decoration_underline) ? TRUE : FALSE; HFONT hFont = CreateFontIndirect(&lf); if (fm) { SelectObject(m_tmp_hdc, hFont); TEXTMETRIC tm = {}; GetTextMetrics(m_tmp_hdc, &tm); fm->ascent = tm.tmAscent; fm->descent = tm.tmDescent; fm->height = tm.tmHeight; fm->x_height = tm.tmHeight / 2; // this is an estimate; call GetGlyphOutline to get the real value fm->draw_spaces = italic || decoration; } return (uint_ptr) hFont; } void win32_container::delete_font( uint_ptr hFont ) { DeleteObject((HFONT) hFont); } const char* win32_container::get_default_font_name() const { return "Times New Roman"; } int win32_container::get_default_font_size() const { return 16; } int win32_container::text_width( const char* text, uint_ptr hFont ) { SIZE size = {}; SelectObject(m_tmp_hdc, (HFONT)hFont); std::wstring wtext = (const wchar_t*)litehtml_to_wchar(text); GetTextExtentPoint32(m_tmp_hdc, wtext.c_str(), (int)wtext.size(), &size); return size.cx; } void win32_container::draw_text( uint_ptr hdc, const char* text, uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos ) { apply_clip((HDC) hdc); HFONT oldFont = (HFONT) SelectObject((HDC) hdc, (HFONT) hFont); SetBkMode((HDC) hdc, TRANSPARENT); SetTextColor((HDC) hdc, RGB(color.red, color.green, color.blue)); RECT rcText = { pos.left(), pos.top(), pos.right(), pos.bottom() }; DrawText((HDC) hdc, litehtml_to_wchar(text), -1, &rcText, DT_SINGLELINE | DT_NOPREFIX | DT_BOTTOM | DT_NOCLIP); SelectObject((HDC) hdc, oldFont); release_clip((HDC) hdc); } int win32_container::pt_to_px( int pt ) const { return MulDiv(pt, GetDeviceCaps(m_tmp_hdc, LOGPIXELSY), 72); } void win32_container::draw_list_marker(uint_ptr hdc, const litehtml::list_marker& marker) { apply_clip((HDC)hdc); int top_margin = marker.pos.height / 3; if (top_margin < 4) top_margin = 0; int draw_x = marker.pos.x; int draw_y = marker.pos.y + top_margin; int draw_width = marker.pos.height - top_margin * 2; int draw_height = marker.pos.height - top_margin * 2; switch (marker.marker_type) { case litehtml::list_style_type_circle: { draw_ellipse((HDC)hdc, draw_x, draw_y, draw_width, draw_height, marker.color, 1); } break; case litehtml::list_style_type_disc: { fill_ellipse((HDC)hdc, draw_x, draw_y, draw_width, draw_height, marker.color); } break; case litehtml::list_style_type_square: { fill_rect((HDC)hdc, draw_x, draw_y, draw_width, draw_height, marker.color); } break; } release_clip((HDC)hdc); } void win32_container::make_url_utf8(const char* url, const char* basepath, std::wstring& out) { make_url(litehtml::utf8_to_wchar(url), litehtml::utf8_to_wchar(basepath), out); } void win32_container::load_image( const char* src, const char* baseurl, bool redraw_on_ready ) { std::wstring url; make_url_utf8(src, baseurl, url); lock_images_cache(); if (m_images.count(url) == 0) { unlock_images_cache(); uint_ptr img = get_image(url.c_str(), redraw_on_ready); add_image(url.c_str(), img); } else { unlock_images_cache(); } } void win32_container::add_image(LPCWSTR url, uint_ptr img) { lock_images_cache(); m_images[url] = img; unlock_images_cache(); } void win32_container::get_image_size( const char* src, const char* baseurl, litehtml::size& sz ) { std::wstring url; make_url_utf8(src, baseurl, url); sz.width = 0; sz.height = 0; lock_images_cache(); images_map::iterator img = m_images.find(url); if(img != m_images.end() && img->second) { get_img_size(img->second, sz); } unlock_images_cache(); } void win32_container::clear_images() { lock_images_cache(); for(auto& img : m_images) { if(img.second) { free_image(img.second); } } m_images.clear(); unlock_images_cache(); } void win32_container::lock_images_cache() { EnterCriticalSection(&m_img_sync); } void win32_container::unlock_images_cache() { LeaveCriticalSection(&m_img_sync); } void win32_container::draw_background( uint_ptr _hdc, const std::vector& bg ) { HDC hdc = (HDC)_hdc; apply_clip(hdc); auto border_box = bg.back().border_box; auto color = bg.back().color; fill_rect(hdc, border_box.x, border_box.y, border_box.width, border_box.height, color); for (int i = (int)bg.size() - 1; i >= 0; i--) { std::wstring url; make_url_utf8(bg[i].image.c_str(), bg[i].baseurl.c_str(), url); lock_images_cache(); images_map::iterator img = m_images.find(url); if (img != m_images.end() && img->second) { draw_img_bg(hdc, img->second, bg[i]); } unlock_images_cache(); } release_clip(hdc); } void win32_container::set_clip( const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius ) { m_clips.push_back(pos); } void win32_container::del_clip() { if(!m_clips.empty()) { m_clips.pop_back(); } } void win32_container::apply_clip(HDC hdc) { if(m_hClipRgn) { DeleteObject(m_hClipRgn); m_hClipRgn = NULL; } if(!m_clips.empty()) { POINT ptView = {0, 0}; GetWindowOrgEx(hdc, &ptView); litehtml::position clip_pos = m_clips.back(); m_hClipRgn = CreateRectRgn(clip_pos.left() - ptView.x, clip_pos.top() - ptView.y, clip_pos.right() - ptView.x, clip_pos.bottom() - ptView.y); SelectClipRgn(hdc, m_hClipRgn); } } void win32_container::release_clip(HDC hdc) { SelectClipRgn(hdc, NULL); if(m_hClipRgn) { DeleteObject(m_hClipRgn); m_hClipRgn = NULL; } } litehtml::element::ptr win32_container::create_element(const char* tag_name, const litehtml::string_map& attributes, const litehtml::document::ptr& doc) { return 0; } void win32_container::get_media_features(litehtml::media_features& media) const { litehtml::position client; get_client_rect(client); media.type = litehtml::media_type_screen; media.width = client.width; media.height = client.height; media.color = 8; media.monochrome = 0; media.color_index = 256; media.resolution = GetDeviceCaps(m_tmp_hdc, LOGPIXELSX); media.device_width = GetDeviceCaps(m_tmp_hdc, HORZRES); media.device_height = GetDeviceCaps(m_tmp_hdc, VERTRES); } void win32_container::get_language(litehtml::string& language, litehtml::string& culture) const { language = "en"; culture = ""; } void win32_container::transform_text(litehtml::string& text, litehtml::text_transform tt) { if (text.empty()) return; LPWSTR txt = _wcsdup(litehtml_to_wchar(text.c_str())); switch (tt) { case litehtml::text_transform_capitalize: CharUpperBuff(txt, 1); break; case litehtml::text_transform_uppercase: CharUpperBuff(txt, lstrlen(txt)); break; case litehtml::text_transform_lowercase: CharLowerBuff(txt, lstrlen(txt)); break; } text = litehtml_from_wchar(txt); free(txt); } void win32_container::link(const litehtml::document::ptr& doc, const litehtml::element::ptr& el) { } litehtml::string win32_container::resolve_color(const litehtml::string& color) const { struct custom_color { const char* name; int color_index; }; static custom_color colors[] = { { "ActiveBorder", COLOR_ACTIVEBORDER }, { "ActiveCaption", COLOR_ACTIVECAPTION }, { "AppWorkspace", COLOR_APPWORKSPACE }, { "Background", COLOR_BACKGROUND }, { "ButtonFace", COLOR_BTNFACE }, { "ButtonHighlight", COLOR_BTNHIGHLIGHT }, { "ButtonShadow", COLOR_BTNSHADOW }, { "ButtonText", COLOR_BTNTEXT }, { "CaptionText", COLOR_CAPTIONTEXT }, { "GrayText", COLOR_GRAYTEXT }, { "Highlight", COLOR_HIGHLIGHT }, { "HighlightText", COLOR_HIGHLIGHTTEXT }, { "InactiveBorder", COLOR_INACTIVEBORDER }, { "InactiveCaption", COLOR_INACTIVECAPTION }, { "InactiveCaptionText", COLOR_INACTIVECAPTIONTEXT }, { "InfoBackground", COLOR_INFOBK }, { "InfoText", COLOR_INFOTEXT }, { "Menu", COLOR_MENU }, { "MenuText", COLOR_MENUTEXT }, { "Scrollbar", COLOR_SCROLLBAR }, { "ThreeDDarkShadow", COLOR_3DDKSHADOW }, { "ThreeDFace", COLOR_3DFACE }, { "ThreeDHighlight", COLOR_3DHILIGHT }, { "ThreeDLightShadow", COLOR_3DLIGHT }, { "ThreeDShadow", COLOR_3DSHADOW }, { "Window", COLOR_WINDOW }, { "WindowFrame", COLOR_WINDOWFRAME }, { "WindowText", COLOR_WINDOWTEXT } }; for (auto& clr : colors) { if (!litehtml::t_strcasecmp(color.c_str(), clr.name)) { char str_clr[20]; DWORD rgb_color = GetSysColor(clr.color_index); t_snprintf(str_clr, 20, "#%02X%02X%02X", GetRValue(rgb_color), GetGValue(rgb_color), GetBValue(rgb_color)); return std::move(litehtml::string(str_clr)); } } return std::move(litehtml::string()); } litehtml-litehtml-6ca1ab0/containers/win32/win32_container.h000066400000000000000000000066211455631435400241360ustar00rootroot00000000000000#pragma once #include #include #include class win32_container : public litehtml::document_container { public: typedef litehtml::uint_ptr uint_ptr; typedef std::map images_map; protected: images_map m_images; litehtml::position::vector m_clips; HRGN m_hClipRgn; std::set m_installed_fonts; HDC m_tmp_hdc; CRITICAL_SECTION m_img_sync; public: win32_container(); virtual ~win32_container(); // litehtml::document_container members uint_ptr create_font(const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override; void delete_font(uint_ptr hFont) override; const char* get_default_font_name() const override; int get_default_font_size() const override; int text_width(const char* text, uint_ptr hFont) override; void draw_text(uint_ptr hdc, const char* text, uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override; void transform_text(litehtml::string& text, litehtml::text_transform tt) override; int pt_to_px(int pt) const override; void draw_list_marker(uint_ptr hdc, const litehtml::list_marker& marker) override; void load_image(const char* src, const char* baseurl, bool redraw_on_ready) override; void get_image_size(const char* src, const char* baseurl, litehtml::size& sz) override; void draw_background(uint_ptr hdc, const std::vector& bg) override; void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) override; void del_clip() override; litehtml::element::ptr create_element(const char* tag_name, const litehtml::string_map& attributes, const litehtml::document::ptr& doc) override; void get_media_features(litehtml::media_features& media) const override; void get_language(litehtml::string& language, litehtml::string& culture) const override; void link(const litehtml::document::ptr& doc, const litehtml::element::ptr& el) override; litehtml::string resolve_color(const litehtml::string& color) const override; protected: void apply_clip(HDC hdc); void release_clip(HDC hdc); virtual void make_url(LPCWSTR url, LPCWSTR basepath, std::wstring& out) = 0; void make_url_utf8(const char* url, const char* basepath, std::wstring& out); virtual void get_client_rect(litehtml::position& client) const = 0; // get_image is called by load_image. // if url_or_path is URL then get_image may return 0, the image should be added later by add_image when it becomes available virtual uint_ptr get_image(LPCWSTR url_or_path, bool redraw_on_ready) = 0; void add_image(LPCWSTR url, uint_ptr img); void clear_images(); virtual void free_image(uint_ptr img) = 0; virtual void get_img_size(uint_ptr img, litehtml::size& sz) = 0; virtual void draw_img_bg(HDC hdc, uint_ptr img, const litehtml::background_paint& bg) = 0; virtual void draw_ellipse(HDC hdc, int x, int y, int width, int height, litehtml::web_color color, int line_width) = 0; virtual void fill_ellipse(HDC hdc, int x, int y, int width, int height, litehtml::web_color color) = 0; virtual void fill_rect(HDC hdc, int x, int y, int width, int height, litehtml::web_color color) = 0; private: static int CALLBACK EnumFontsProc(const LOGFONT* lplf, const TEXTMETRIC* lptm, DWORD dwType, LPARAM lpData); void lock_images_cache(); void unlock_images_cache(); }; litehtml-litehtml-6ca1ab0/include/000077500000000000000000000000001455631435400172705ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/include/litehtml.h000066400000000000000000000003711455631435400212640ustar00rootroot00000000000000#ifndef LITEHTML_H #define LITEHTML_H #include #include #include #include #include #include #endif // LITEHTML_H litehtml-litehtml-6ca1ab0/include/litehtml/000077500000000000000000000000001455631435400211125ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/include/litehtml/background.h000066400000000000000000000024461455631435400234100ustar00rootroot00000000000000#ifndef LH_BACKGROUND_H #define LH_BACKGROUND_H #include "types.h" #include "css_length.h" #include "css_position.h" #include "web_color.h" #include "borders.h" namespace litehtml { class background { public: string_vector m_image; string m_baseurl; web_color m_color; int_vector m_attachment; length_vector m_position_x; length_vector m_position_y; size_vector m_size; int_vector m_repeat; int_vector m_clip; int_vector m_origin; bool is_empty() const { if(m_color.alpha != 0) return false; if(m_image.empty()) return true; for(const auto& img : m_image) { if(!img.empty()) return false; } return true; } }; class background_paint { public: string image; string baseurl; background_attachment attachment; background_repeat repeat; web_color color; position clip_box; position origin_box; position border_box; border_radiuses border_radius; size image_size; int position_x; int position_y; bool is_root; public: background_paint() { attachment = background_attachment_scroll; repeat = background_repeat_repeat; color = web_color::transparent; position_x = 0; position_y = 0; is_root = false; } }; } #endif // LH_BACKGROUND_H litehtml-litehtml-6ca1ab0/include/litehtml/borders.h000066400000000000000000000164131455631435400227300ustar00rootroot00000000000000#ifndef LH_BORDERS_H #define LH_BORDERS_H #include "css_length.h" #include "types.h" #include "web_color.h" namespace litehtml { struct css_border { css_length width; border_style style; web_color color; css_border() { style = border_style_none; } css_border(const css_border& val) { width = val.width; style = val.style; color = val.color; } css_border& operator=(const css_border& val) { width = val.width; style = val.style; color = val.color; return *this; } string to_string() const; }; struct border { int width; border_style style; web_color color; border() { width = 0; } border(const border& val) { width = val.width; style = val.style; color = val.color; } border(const css_border& val) { width = (int) val.width.val(); style = val.style; color = val.color; } border& operator=(const border& val) { width = val.width; style = val.style; color = val.color; return *this; } border& operator=(const css_border& val) { width = (int) val.width.val(); style = val.style; color = val.color; return *this; } }; struct border_radiuses { int top_left_x; int top_left_y; int top_right_x; int top_right_y; int bottom_right_x; int bottom_right_y; int bottom_left_x; int bottom_left_y; border_radiuses() { top_left_x = 0; top_left_y = 0; top_right_x = 0; top_right_y = 0; bottom_right_x = 0; bottom_right_y = 0; bottom_left_x = 0; bottom_left_y = 0; } border_radiuses(const border_radiuses& val) { top_left_x = val.top_left_x; top_left_y = val.top_left_y; top_right_x = val.top_right_x; top_right_y = val.top_right_y; bottom_right_x = val.bottom_right_x; bottom_right_y = val.bottom_right_y; bottom_left_x = val.bottom_left_x; bottom_left_y = val.bottom_left_y; } border_radiuses& operator = (const border_radiuses& val) { top_left_x = val.top_left_x; top_left_y = val.top_left_y; top_right_x = val.top_right_x; top_right_y = val.top_right_y; bottom_right_x = val.bottom_right_x; bottom_right_y = val.bottom_right_y; bottom_left_x = val.bottom_left_x; bottom_left_y = val.bottom_left_y; return *this; } void operator += (const margins& mg) { top_left_x += mg.left; top_left_y += mg.top; top_right_x += mg.right; top_right_y += mg.top; bottom_right_x += mg.right; bottom_right_y += mg.bottom; bottom_left_x += mg.left; bottom_left_y += mg.bottom; fix_values(); } void operator -= (const margins& mg) { top_left_x -= mg.left; top_left_y -= mg.top; top_right_x -= mg.right; top_right_y -= mg.top; bottom_right_x -= mg.right; bottom_right_y -= mg.bottom; bottom_left_x -= mg.left; bottom_left_y -= mg.bottom; fix_values(); } void fix_values() { if (top_left_x < 0) top_left_x = 0; if (top_left_y < 0) top_left_y = 0; if (top_right_x < 0) top_right_x = 0; if (top_right_y < 0) top_right_y = 0; if (bottom_right_x < 0) bottom_right_x = 0; if (bottom_right_y < 0) bottom_right_y = 0; if (bottom_left_x < 0) bottom_left_x = 0; if (bottom_left_y < 0) bottom_left_y = 0; } void fix_values(int width, int height) { fix_values(); int half_width = width / 2; int half_height = height / 2; auto fix_one = [&](int& radii_x, int& radii_y) { double factor = std::min((double) half_width / (double) radii_x, (double) half_height / (double) radii_y); radii_x = (int) ((double) radii_x * factor); radii_y = (int) ((double) radii_y * factor); }; if(top_left_x > half_width || top_left_y > half_height) { fix_one(top_left_x, top_left_y); } if(top_right_x > half_width || top_right_y > half_height) { fix_one(top_right_x, top_right_y); } if(bottom_right_x > half_width || bottom_right_y > half_height) { fix_one(bottom_right_x, bottom_right_y); } if(bottom_left_x > half_width || bottom_left_y > half_height) { fix_one(bottom_left_x, bottom_left_y); } } }; struct css_border_radius { css_length top_left_x; css_length top_left_y; css_length top_right_x; css_length top_right_y; css_length bottom_right_x; css_length bottom_right_y; css_length bottom_left_x; css_length bottom_left_y; css_border_radius() { } css_border_radius(const css_border_radius& val) { top_left_x = val.top_left_x; top_left_y = val.top_left_y; top_right_x = val.top_right_x; top_right_y = val.top_right_y; bottom_left_x = val.bottom_left_x; bottom_left_y = val.bottom_left_y; bottom_right_x = val.bottom_right_x; bottom_right_y = val.bottom_right_y; } css_border_radius& operator=(const css_border_radius& val) { top_left_x = val.top_left_x; top_left_y = val.top_left_y; top_right_x = val.top_right_x; top_right_y = val.top_right_y; bottom_left_x = val.bottom_left_x; bottom_left_y = val.bottom_left_y; bottom_right_x = val.bottom_right_x; bottom_right_y = val.bottom_right_y; return *this; } border_radiuses calc_percents(int width, int height) const { border_radiuses ret; ret.bottom_left_x = bottom_left_x.calc_percent(width); ret.bottom_left_y = bottom_left_y.calc_percent(height); ret.top_left_x = top_left_x.calc_percent(width); ret.top_left_y = top_left_y.calc_percent(height); ret.top_right_x = top_right_x.calc_percent(width); ret.top_right_y = top_right_y.calc_percent(height); ret.bottom_right_x = bottom_right_x.calc_percent(width); ret.bottom_right_y = bottom_right_y.calc_percent(height); ret.fix_values(width, height); return ret; } }; struct css_borders { css_border left; css_border top; css_border right; css_border bottom; css_border_radius radius; css_borders() = default; bool is_visible() const { return left.width.val() != 0 || right.width.val() != 0 || top.width.val() != 0 || bottom.width.val() != 0; } css_borders(const css_borders& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; radius = val.radius; } css_borders& operator=(const css_borders& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; radius = val.radius; return *this; } string to_string() const { return "left: " + left.to_string() + ", top: " + top.to_string() + ", right: " + top.to_string() + ", bottom: " + bottom.to_string(); } }; struct borders { border left; border top; border right; border bottom; border_radiuses radius; borders() = default; borders(const borders& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; radius = val.radius; } borders(const css_borders& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; } bool is_visible() const { return left.width != 0 || right.width != 0 || top.width != 0 || bottom.width != 0; } borders& operator=(const borders& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; radius = val.radius; return *this; } borders& operator=(const css_borders& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; return *this; } }; } #endif // LH_BORDERS_H litehtml-litehtml-6ca1ab0/include/litehtml/codepoint.h000066400000000000000000000041261455631435400232520ustar00rootroot00000000000000// Copyright (C) 2020-2021 Primate Labs Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the names of the copyright holders nor the names of their // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef LITEHTML_CODEPOINT_H__ #define LITEHTML_CODEPOINT_H__ #include #include "os_types.h" namespace litehtml { bool is_ascii_codepoint(char c); // Returns true if the codepoint is a reserved codepoint for URLs. // https://datatracker.ietf.org/doc/html/rfc3986#section-2.2 bool is_url_reserved_codepoint(char c); // Returns true if the codepoint is a scheme codepoint for URLs. // https://datatracker.ietf.org/doc/html/rfc3986#section-3.1 bool is_url_scheme_codepoint(char c); } // namespace litehtml #endif // LITEHTML_CODEPOINT_H__ litehtml-litehtml-6ca1ab0/include/litehtml/css_length.h000066400000000000000000000042041455631435400234140ustar00rootroot00000000000000#ifndef LH_CSS_LENGTH_H #define LH_CSS_LENGTH_H #include "types.h" namespace litehtml { class css_length { union { float m_value; int m_predef; }; css_units m_units; bool m_is_predefined; public: css_length(); css_length(float val, css_units units = css_units_px); css_length& operator=(float val); bool is_predefined() const; void predef(int val); int predef() const; static css_length predef_value(int val = 0); void set_value(float val, css_units units); float val() const; css_units units() const; int calc_percent(int width) const; void fromString(const string& str, const string& predefs = "", int defValue = 0); static css_length from_string(const string& str, const string& predefs = "", int defValue = 0); string to_string() const; }; using length_vector = std::vector; // css_length inlines inline css_length::css_length() { m_value = 0; m_predef = 0; m_units = css_units_none; m_is_predefined = false; } inline css_length::css_length(float val, css_units units) { m_value = val; m_units = units; m_is_predefined = false; } inline css_length& css_length::operator=(float val) { m_value = val; m_units = css_units_px; m_is_predefined = false; return *this; } inline bool css_length::is_predefined() const { return m_is_predefined; } inline void css_length::predef(int val) { m_predef = val; m_is_predefined = true; } inline int css_length::predef() const { if(m_is_predefined) { return m_predef; } return 0; } inline void css_length::set_value(float val, css_units units) { m_value = val; m_is_predefined = false; m_units = units; } inline float css_length::val() const { if(!m_is_predefined) { return m_value; } return 0; } inline css_units css_length::units() const { return m_units; } inline int css_length::calc_percent(int width) const { if(!is_predefined()) { if(units() == css_units_percentage) { return (int) ((double) width * (double) m_value / 100.0); } else { return (int) val(); } } return 0; } } #endif // LH_CSS_LENGTH_H litehtml-litehtml-6ca1ab0/include/litehtml/css_margins.h000066400000000000000000000013471455631435400236000ustar00rootroot00000000000000#ifndef LH_CSS_MARGINS_H #define LH_CSS_MARGINS_H #include "css_length.h" namespace litehtml { struct css_margins { css_length left; css_length right; css_length top; css_length bottom; css_margins() = default; css_margins(const css_margins& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; } css_margins& operator=(const css_margins& val) { left = val.left; right = val.right; top = val.top; bottom = val.bottom; return *this; } string to_string() const { return "left: " + left.to_string() + ", right: " + right.to_string() + ", top: " + top.to_string() + ", bottom: " + bottom.to_string(); } }; } #endif // LH_CSS_MARGINS_H litehtml-litehtml-6ca1ab0/include/litehtml/css_offsets.h000066400000000000000000000013471455631435400236110ustar00rootroot00000000000000#ifndef LH_CSS_OFFSETS_H #define LH_CSS_OFFSETS_H #include "css_length.h" namespace litehtml { struct css_offsets { css_length left; css_length top; css_length right; css_length bottom; css_offsets() = default; css_offsets(const css_offsets& val) { left = val.left; top = val.top; right = val.right; bottom = val.bottom; } css_offsets& operator=(const css_offsets& val) { left = val.left; top = val.top; right = val.right; bottom = val.bottom; return *this; } string to_string() const { return "left: " + left.to_string() + ", top: " + top.to_string() + ", right: " + right.to_string() + ", bottom: " + bottom.to_string(); } }; } #endif // LH_CSS_OFFSETS_H litehtml-litehtml-6ca1ab0/include/litehtml/css_position.h000066400000000000000000000007021455631435400237760ustar00rootroot00000000000000#ifndef LH_CSS_POSITION_H #define LH_CSS_POSITION_H #include "css_length.h" namespace litehtml { struct css_position { css_length x; css_length y; css_length width; css_length height; }; struct css_size { css_length width; css_length height; css_size() = default; css_size(css_length width, css_length height) : width(width), height(height) {} }; using size_vector = std::vector; } #endif // LH_CSS_POSITION_H litehtml-litehtml-6ca1ab0/include/litehtml/css_properties.h000066400000000000000000000403741455631435400243370ustar00rootroot00000000000000#ifndef LITEHTML_CSS_PROPERTIES_H #define LITEHTML_CSS_PROPERTIES_H #include "os_types.h" #include "types.h" #include "css_margins.h" #include "borders.h" #include "css_offsets.h" #include "background.h" namespace litehtml { class element; class document; class css_properties { private: element_position m_el_position; text_align m_text_align; overflow m_overflow; white_space m_white_space; style_display m_display; visibility m_visibility; box_sizing m_box_sizing; css_length m_z_index; vertical_align m_vertical_align; element_float m_float; element_clear m_clear; css_margins m_css_margins; css_margins m_css_padding; css_borders m_css_borders; css_length m_css_width; css_length m_css_height; css_length m_css_min_width; css_length m_css_min_height; css_length m_css_max_width; css_length m_css_max_height; css_offsets m_css_offsets; css_length m_css_text_indent; css_length m_css_line_height; int m_line_height; list_style_type m_list_style_type; list_style_position m_list_style_position; string m_list_style_image; string m_list_style_image_baseurl; background m_bg; uint_ptr m_font; css_length m_font_size; string m_font_family; font_weight m_font_weight; font_style m_font_style; string m_text_decoration; font_metrics m_font_metrics; text_transform m_text_transform; web_color m_color; string m_cursor; string m_content; border_collapse m_border_collapse; css_length m_css_border_spacing_x; css_length m_css_border_spacing_y; float m_flex_grow; float m_flex_shrink; css_length m_flex_basis; flex_direction m_flex_direction; flex_wrap m_flex_wrap; flex_justify_content m_flex_justify_content; flex_align_items m_flex_align_items; flex_align_items m_flex_align_self; flex_align_content m_flex_align_content; caption_side m_caption_side; int m_order; private: void compute_font(const element* el, const std::shared_ptr& doc); void compute_background(const element* el, const std::shared_ptr& doc); void compute_flex(const element* el, const std::shared_ptr& doc); public: css_properties() : m_el_position(element_position_static), m_text_align(text_align_left), m_overflow(overflow_visible), m_white_space(white_space_normal), m_display(display_inline), m_visibility(visibility_visible), m_box_sizing(box_sizing_content_box), m_z_index(0), m_vertical_align(va_baseline), m_float(float_none), m_clear(clear_none), m_css_margins(), m_css_padding(), m_css_borders(), m_css_width(), m_css_height(), m_css_min_width(), m_css_min_height(), m_css_max_width(), m_css_max_height(), m_css_offsets(), m_css_text_indent(), m_css_line_height(0), m_line_height(0), m_list_style_type(list_style_type_none), m_list_style_position(list_style_position_outside), m_bg(), m_font_size(0), m_font(0), m_font_metrics(), m_text_transform(text_transform_none), m_border_collapse(border_collapse_separate), m_css_border_spacing_x(), m_css_border_spacing_y(), m_flex_grow(0), m_flex_shrink(1), m_flex_direction(flex_direction_row), m_flex_wrap(flex_wrap_nowrap), m_flex_justify_content(flex_justify_content_flex_start), m_flex_align_items(flex_align_items_stretch), m_flex_align_self(flex_align_items_auto), m_flex_align_content(flex_align_content_stretch), m_order(0) {} void compute(const element* el, const std::shared_ptr& doc); std::vector> dump_get_attrs(); element_position get_position() const; void set_position(element_position mElPosition); text_align get_text_align() const; void set_text_align(text_align mTextAlign); overflow get_overflow() const; void set_overflow(overflow mOverflow); white_space get_white_space() const; void set_white_space(white_space mWhiteSpace); style_display get_display() const; void set_display(style_display mDisplay); visibility get_visibility() const; void set_visibility(visibility mVisibility); box_sizing get_box_sizing() const; void set_box_sizing(box_sizing mBoxSizing); int get_z_index() const; void set_z_index(int mZIndex); vertical_align get_vertical_align() const; void set_vertical_align(vertical_align mVerticalAlign); element_float get_float() const; void set_float(element_float mFloat); element_clear get_clear() const; void set_clear(element_clear mClear); const css_margins &get_margins() const; void set_margins(const css_margins &mCssMargins); const css_margins &get_padding() const; void set_padding(const css_margins &mCssPadding); const css_borders &get_borders() const; void set_borders(const css_borders &mCssBorders); const css_length &get_width() const; void set_width(const css_length &mCssWidth); const css_length &get_height() const; void set_height(const css_length &mCssHeight); const css_length &get_min_width() const; void set_min_width(const css_length &mCssMinWidth); const css_length &get_min_height() const; void set_min_height(const css_length &mCssMinHeight); const css_length &get_max_width() const; void set_max_width(const css_length &mCssMaxWidth); const css_length &get_max_height() const; void set_max_height(const css_length &mCssMaxHeight); const css_offsets &get_offsets() const; void set_offsets(const css_offsets &mCssOffsets); const css_length &get_text_indent() const; void set_text_indent(const css_length &mCssTextIndent); int get_line_height() const; void set_line_height(int mLineHeight); list_style_type get_list_style_type() const; void set_list_style_type(list_style_type mListStyleType); list_style_position get_list_style_position() const; void set_list_style_position(list_style_position mListStylePosition); string get_list_style_image() const; void set_list_style_image(const string& url); string get_list_style_image_baseurl() const; void set_list_style_image_baseurl(const string& url); const background &get_bg() const; void set_bg(const background &mBg); int get_font_size() const; void set_font_size(int mFontSize); uint_ptr get_font() const; void set_font(uint_ptr mFont); const font_metrics& get_font_metrics() const; void set_font_metrics(const font_metrics& mFontMetrics); text_transform get_text_transform() const; void set_text_transform(text_transform mTextTransform); web_color get_color() const; void set_color(web_color color); string get_cursor() const; void set_cursor(const string& cursor); string get_content() const; void set_content(const string& content); border_collapse get_border_collapse() const; void set_border_collapse(border_collapse mBorderCollapse); const css_length& get_border_spacing_x() const ; void set_border_spacing_x(const css_length& mBorderSpacingX); const css_length& get_border_spacing_y() const; void set_border_spacing_y(const css_length& mBorderSpacingY); caption_side get_caption_side() const; void set_caption_side(caption_side side); float get_flex_grow() const; float get_flex_shrink() const; const css_length& get_flex_basis() const; flex_direction get_flex_direction() const; flex_wrap get_flex_wrap() const; flex_justify_content get_flex_justify_content() const; flex_align_items get_flex_align_items() const; flex_align_items get_flex_align_self() const; flex_align_content get_flex_align_content() const; int get_order() const; void set_order(int order); }; inline element_position css_properties::get_position() const { return m_el_position; } inline void css_properties::set_position(element_position mElPosition) { m_el_position = mElPosition; } inline text_align css_properties::get_text_align() const { return m_text_align; } inline void css_properties::set_text_align(text_align mTextAlign) { m_text_align = mTextAlign; } inline overflow css_properties::get_overflow() const { return m_overflow; } inline void css_properties::set_overflow(overflow mOverflow) { m_overflow = mOverflow; } inline white_space css_properties::get_white_space() const { return m_white_space; } inline void css_properties::set_white_space(white_space mWhiteSpace) { m_white_space = mWhiteSpace; } inline style_display css_properties::get_display() const { return m_display; } inline void css_properties::set_display(style_display mDisplay) { m_display = mDisplay; } inline visibility css_properties::get_visibility() const { return m_visibility; } inline void css_properties::set_visibility(visibility mVisibility) { m_visibility = mVisibility; } inline box_sizing css_properties::get_box_sizing() const { return m_box_sizing; } inline void css_properties::set_box_sizing(box_sizing mBoxSizing) { m_box_sizing = mBoxSizing; } inline int css_properties::get_z_index() const { return (int)m_z_index.val(); } inline void css_properties::set_z_index(int mZIndex) { m_z_index.set_value((float)mZIndex, css_units_none); } inline vertical_align css_properties::get_vertical_align() const { return m_vertical_align; } inline void css_properties::set_vertical_align(vertical_align mVerticalAlign) { m_vertical_align = mVerticalAlign; } inline element_float css_properties::get_float() const { return m_float; } inline void css_properties::set_float(element_float mFloat) { m_float = mFloat; } inline element_clear css_properties::get_clear() const { return m_clear; } inline void css_properties::set_clear(element_clear mClear) { m_clear = mClear; } inline const css_margins &css_properties::get_margins() const { return m_css_margins; } inline void css_properties::set_margins(const css_margins &mCssMargins) { m_css_margins = mCssMargins; } inline const css_margins &css_properties::get_padding() const { return m_css_padding; } inline void css_properties::set_padding(const css_margins &mCssPadding) { m_css_padding = mCssPadding; } inline const css_borders &css_properties::get_borders() const { return m_css_borders; } inline void css_properties::set_borders(const css_borders &mCssBorders) { m_css_borders = mCssBorders; } inline const css_length &css_properties::get_width() const { return m_css_width; } inline void css_properties::set_width(const css_length &mCssWidth) { m_css_width = mCssWidth; } inline const css_length &css_properties::get_height() const { return m_css_height; } inline void css_properties::set_height(const css_length &mCssHeight) { m_css_height = mCssHeight; } inline const css_length &css_properties::get_min_width() const { return m_css_min_width; } inline void css_properties::set_min_width(const css_length &mCssMinWidth) { m_css_min_width = mCssMinWidth; } inline const css_length &css_properties::get_min_height() const { return m_css_min_height; } inline void css_properties::set_min_height(const css_length &mCssMinHeight) { m_css_min_height = mCssMinHeight; } inline const css_length &css_properties::get_max_width() const { return m_css_max_width; } inline void css_properties::set_max_width(const css_length &mCssMaxWidth) { m_css_max_width = mCssMaxWidth; } inline const css_length &css_properties::get_max_height() const { return m_css_max_height; } inline void css_properties::set_max_height(const css_length &mCssMaxHeight) { m_css_max_height = mCssMaxHeight; } inline const css_offsets &css_properties::get_offsets() const { return m_css_offsets; } inline void css_properties::set_offsets(const css_offsets &mCssOffsets) { m_css_offsets = mCssOffsets; } inline const css_length &css_properties::get_text_indent() const { return m_css_text_indent; } inline void css_properties::set_text_indent(const css_length &mCssTextIndent) { m_css_text_indent = mCssTextIndent; } inline int css_properties::get_line_height() const { return m_line_height; } inline void css_properties::set_line_height(int mLineHeight) { m_line_height = mLineHeight; } inline list_style_type css_properties::get_list_style_type() const { return m_list_style_type; } inline void css_properties::set_list_style_type(list_style_type mListStyleType) { m_list_style_type = mListStyleType; } inline list_style_position css_properties::get_list_style_position() const { return m_list_style_position; } inline void css_properties::set_list_style_position(list_style_position mListStylePosition) { m_list_style_position = mListStylePosition; } inline string css_properties::get_list_style_image() const { return m_list_style_image; } inline void css_properties::set_list_style_image(const string& url) { m_list_style_image = url; } inline string css_properties::get_list_style_image_baseurl() const { return m_list_style_image_baseurl; } inline void css_properties::set_list_style_image_baseurl(const string& url) { m_list_style_image_baseurl = url; } inline const background &css_properties::get_bg() const { return m_bg; } inline void css_properties::set_bg(const background &mBg) { m_bg = mBg; } inline int css_properties::get_font_size() const { return (int)m_font_size.val(); } inline void css_properties::set_font_size(int mFontSize) { m_font_size = (float)mFontSize; } inline uint_ptr css_properties::get_font() const { return m_font; } inline void css_properties::set_font(uint_ptr mFont) { m_font = mFont; } inline const font_metrics& css_properties::get_font_metrics() const { return m_font_metrics; } inline void css_properties::set_font_metrics(const font_metrics& mFontMetrics) { m_font_metrics = mFontMetrics; } inline text_transform css_properties::get_text_transform() const { return m_text_transform; } inline void css_properties::set_text_transform(text_transform mTextTransform) { m_text_transform = mTextTransform; } inline web_color css_properties::get_color() const { return m_color; } inline void css_properties::set_color(web_color color) { m_color = color; } inline string css_properties::get_cursor() const { return m_cursor; } inline void css_properties::set_cursor(const string& cursor) { m_cursor = cursor; } inline string css_properties::get_content() const { return m_content; } inline void css_properties::set_content(const string& content) { m_content = content; } inline border_collapse css_properties::get_border_collapse() const { return m_border_collapse; } inline void css_properties::set_border_collapse(border_collapse mBorderCollapse) { m_border_collapse = mBorderCollapse; } inline const css_length& css_properties::get_border_spacing_x() const { return m_css_border_spacing_x; } inline void css_properties::set_border_spacing_x(const css_length& mBorderSpacingX) { m_css_border_spacing_x = mBorderSpacingX; } inline const css_length& css_properties::get_border_spacing_y() const { return m_css_border_spacing_y; } inline void css_properties::set_border_spacing_y(const css_length& mBorderSpacingY) { m_css_border_spacing_y = mBorderSpacingY; } inline float css_properties::get_flex_grow() const { return m_flex_grow; } inline float css_properties::get_flex_shrink() const { return m_flex_shrink; } inline const css_length& css_properties::get_flex_basis() const { return m_flex_basis; } inline flex_direction css_properties::get_flex_direction() const { return m_flex_direction; } inline flex_wrap css_properties::get_flex_wrap() const { return m_flex_wrap; } inline flex_justify_content css_properties::get_flex_justify_content() const { return m_flex_justify_content; } inline flex_align_items css_properties::get_flex_align_items() const { return m_flex_align_items; } inline flex_align_items css_properties::get_flex_align_self() const { return m_flex_align_self; } inline flex_align_content css_properties::get_flex_align_content() const { return m_flex_align_content; } inline caption_side css_properties::get_caption_side() const { return m_caption_side; } inline void css_properties::set_caption_side(caption_side side) { m_caption_side = side; } inline int css_properties::get_order() const { return m_order; } inline void css_properties::set_order(int order) { m_order = order; } } #endif //LITEHTML_CSS_PROPERTIES_H litehtml-litehtml-6ca1ab0/include/litehtml/css_selector.h000066400000000000000000000132371455631435400237610ustar00rootroot00000000000000#ifndef LH_CSS_SELECTOR_H #define LH_CSS_SELECTOR_H #include "style.h" #include "media_query.h" namespace litehtml { ////////////////////////////////////////////////////////////////////////// struct selector_specificity { int a; int b; int c; int d; explicit selector_specificity(int va = 0, int vb = 0, int vc = 0, int vd = 0) { a = va; b = vb; c = vc; d = vd; } void operator += (const selector_specificity& val) { a += val.a; b += val.b; c += val.c; d += val.d; } bool operator==(const selector_specificity& val) const { if(a == val.a && b == val.b && c == val.c && d == val.d) { return true; } return false; } bool operator!=(const selector_specificity& val) const { if(a != val.a || b != val.b || c != val.c || d != val.d) { return true; } return false; } bool operator > (const selector_specificity& val) const { if(a > val.a) { return true; } else if(a < val.a) { return false; } else { if(b > val.b) { return true; } else if(b < val.b) { return false; } else { if(c > val.c) { return true; } else if(c < val.c) { return false; } else { if(d > val.d) { return true; } else if(d < val.d) { return false; } } } } return false; } bool operator >= (const selector_specificity& val) const { if((*this) == val) return true; if((*this) > val) return true; return false; } bool operator <= (const selector_specificity& val) const { if((*this) > val) { return false; } return true; } bool operator < (const selector_specificity& val) const { if((*this) <= val && (*this) != val) { return true; } return false; } }; ////////////////////////////////////////////////////////////////////////// enum attr_select_type { select_class, select_id, select_exists, select_equal, select_contain_str, select_start_str, select_end_str, select_pseudo_class, select_pseudo_element, }; ////////////////////////////////////////////////////////////////////////// class css_element_selector; struct css_attribute_selector { typedef std::vector vector; attr_select_type type; string_id name; // .name, #name, [name], :name string val; // [name=val], :lang(val) std::shared_ptr sel; // :not(sel) int a, b; // :nth-child(an+b) css_attribute_selector() { type = select_class; name = empty_id; a = b = 0; } }; ////////////////////////////////////////////////////////////////////////// class css_element_selector { public: string_id m_tag; css_attribute_selector::vector m_attrs; public: void parse(const string& txt); static void parse_nth_child_params(const string& param, int& num, int& off); }; ////////////////////////////////////////////////////////////////////////// enum css_combinator { combinator_descendant, combinator_child, combinator_adjacent_sibling, combinator_general_sibling }; ////////////////////////////////////////////////////////////////////////// class css_selector { public: typedef std::shared_ptr ptr; typedef std::vector vector; public: selector_specificity m_specificity; css_element_selector m_right; css_selector::ptr m_left; css_combinator m_combinator; style::ptr m_style; int m_order; media_query_list::ptr m_media_query; public: explicit css_selector(const media_query_list::ptr& media = nullptr) { m_media_query = media; m_combinator = combinator_descendant; m_order = 0; } ~css_selector() = default; css_selector(const css_selector& val) { m_right = val.m_right; if(val.m_left) { m_left = std::make_shared(*val.m_left); } else { m_left = nullptr; } m_combinator = val.m_combinator; m_specificity = val.m_specificity; m_order = val.m_order; m_media_query = val.m_media_query; } bool parse(const string& text); void calc_specificity(); bool is_media_valid() const; void add_media_to_doc(document* doc) const; }; inline bool css_selector::is_media_valid() const { if(!m_media_query) { return true; } return m_media_query->is_used(); } ////////////////////////////////////////////////////////////////////////// inline bool operator > (const css_selector& v1, const css_selector& v2) { if(v1.m_specificity == v2.m_specificity) { return (v1.m_order > v2.m_order); } return (v1.m_specificity > v2.m_specificity); } inline bool operator < (const css_selector& v1, const css_selector& v2) { if(v1.m_specificity == v2.m_specificity) { return (v1.m_order < v2.m_order); } return (v1.m_specificity < v2.m_specificity); } inline bool operator > (const css_selector::ptr& v1, const css_selector::ptr& v2) { return (*v1 > *v2); } inline bool operator < (const css_selector::ptr& v1, const css_selector::ptr& v2) { return (*v1 < *v2); } ////////////////////////////////////////////////////////////////////////// class used_selector { public: typedef std::unique_ptr ptr; typedef std::vector vector; css_selector::ptr m_selector; bool m_used; used_selector(const css_selector::ptr& selector, bool used) { m_used = used; m_selector = selector; } used_selector(const used_selector& val) { m_used = val.m_used; m_selector = val.m_selector; } used_selector& operator=(const used_selector& val) { m_used = val.m_used; m_selector = val.m_selector; return *this; } }; } #endif // LH_CSS_SELECTOR_H litehtml-litehtml-6ca1ab0/include/litehtml/document.h000066400000000000000000000112771455631435400231110ustar00rootroot00000000000000#ifndef LH_DOCUMENT_H #define LH_DOCUMENT_H #include "style.h" #include "types.h" #include "master_css.h" namespace litehtml { struct css_text { typedef std::vector vector; string text; string baseurl; string media; css_text() = default; css_text(const char* txt, const char* url, const char* media_str) { text = txt ? txt : ""; baseurl = url ? url : ""; media = media_str ? media_str : ""; } css_text(const css_text& val) { text = val.text; baseurl = val.baseurl; media = val.media; } }; class dumper { public: virtual ~dumper() {} virtual void begin_node(const litehtml::string& descr) = 0; virtual void end_node() = 0; virtual void begin_attrs_group(const litehtml::string& descr) = 0; virtual void end_attrs_group() = 0; virtual void add_attr(const litehtml::string& name, const litehtml::string& value) = 0; }; class html_tag; class render_item; class document : public std::enable_shared_from_this { public: typedef std::shared_ptr ptr; typedef std::weak_ptr weak_ptr; private: std::shared_ptr m_root; std::shared_ptr m_root_render; document_container* m_container; fonts_map m_fonts; css_text::vector m_css; litehtml::css m_styles; litehtml::web_color m_def_color; litehtml::css m_master_css; litehtml::css m_user_css; litehtml::size m_size; litehtml::size m_content_size; position::vector m_fixed_boxes; media_query_list::vector m_media_lists; element::ptr m_over_element; std::list> m_tabular_elements; media_features m_media; string m_lang; string m_culture; public: document(document_container* objContainer); virtual ~document(); document_container* container() { return m_container; } uint_ptr get_font(const char* name, int size, const char* weight, const char* style, const char* decoration, font_metrics* fm); int render(int max_width, render_type rt = render_all); void draw(uint_ptr hdc, int x, int y, const position* clip); web_color get_def_color() { return m_def_color; } int to_pixels(const char* str, int fontSize, bool* is_percent = nullptr) const; void cvt_units(css_length& val, int fontSize, int size = 0) const; int to_pixels(const css_length& val, int fontSize, int size = 0) const; int width() const; int height() const; int content_width() const; int content_height() const; void add_stylesheet(const char* str, const char* baseurl, const char* media); bool on_mouse_over(int x, int y, int client_x, int client_y, position::vector& redraw_boxes); bool on_lbutton_down(int x, int y, int client_x, int client_y, position::vector& redraw_boxes); bool on_lbutton_up(int x, int y, int client_x, int client_y, position::vector& redraw_boxes); bool on_mouse_leave(position::vector& redraw_boxes); element::ptr create_element(const char* tag_name, const string_map& attributes); element::ptr root(); void get_fixed_boxes(position::vector& fixed_boxes); void add_fixed_box(const position& pos); void add_media_list(const media_query_list::ptr& list); bool media_changed(); bool lang_changed(); bool match_lang(const string& lang); void add_tabular(const std::shared_ptr& el); element::const_ptr get_over_element() const { return m_over_element; } void append_children_from_string(element& parent, const char* str); void dump(dumper& cout); static litehtml::document::ptr createFromString(const char* str, litehtml::document_container* objPainter, const char* master_styles = litehtml::master_css, const char* user_styles = ""); private: uint_ptr add_font(const char* name, int size, const char* weight, const char* style, const char* decoration, font_metrics* fm); void create_node(void* gnode, elements_list& elements, bool parseTextNode); bool update_media_lists(const media_features& features); void fix_tables_layout(); void fix_table_children(const std::shared_ptr& el_ptr, style_display disp, const char* disp_str); void fix_table_parent(const std::shared_ptr & el_ptr, style_display disp, const char* disp_str); }; inline element::ptr document::root() { return m_root; } inline void document::add_tabular(const std::shared_ptr& el) { m_tabular_elements.push_back(el); } inline bool document::match_lang(const string& lang) { return lang == m_lang || lang == m_culture; } } #endif // LH_DOCUMENT_H litehtml-litehtml-6ca1ab0/include/litehtml/document_container.h000066400000000000000000000066241455631435400251530ustar00rootroot00000000000000#ifndef LH_DOCUMENT_CONTAINER_H #define LH_DOCUMENT_CONTAINER_H #include "os_types.h" #include "types.h" #include "web_color.h" #include "background.h" #include "borders.h" #include "element.h" #include #include namespace litehtml { struct list_marker { string image; const char* baseurl; list_style_type marker_type; web_color color; position pos; int index; uint_ptr font; }; // call back interface to draw text, images and other elements class document_container { public: virtual litehtml::uint_ptr create_font(const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) = 0; virtual void delete_font(litehtml::uint_ptr hFont) = 0; virtual int text_width(const char* text, litehtml::uint_ptr hFont) = 0; virtual void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) = 0; virtual int pt_to_px(int pt) const = 0; virtual int get_default_font_size() const = 0; virtual const char* get_default_font_name() const = 0; virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) = 0; virtual void load_image(const char* src, const char* baseurl, bool redraw_on_ready) = 0; virtual void get_image_size(const char* src, const char* baseurl, litehtml::size& sz) = 0; // Note: regular images are also drawn with draw_background // bg is guaranteed to have at least one item. // backgrounds in bg are in CSS order - the last one is the farthest from the user. // only the last background has valid background-color. virtual void draw_background(litehtml::uint_ptr hdc, const std::vector& bg) = 0; virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) = 0; virtual void set_caption(const char* caption) = 0; virtual void set_base_url(const char* base_url) = 0; virtual void link(const std::shared_ptr& doc, const litehtml::element::ptr& el) = 0; virtual void on_anchor_click(const char* url, const litehtml::element::ptr& el) = 0; virtual void set_cursor(const char* cursor) = 0; virtual void transform_text(litehtml::string& text, litehtml::text_transform tt) = 0; virtual void import_css(litehtml::string& text, const litehtml::string& url, litehtml::string& baseurl) = 0; virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) = 0; virtual void del_clip() = 0; virtual void get_client_rect(litehtml::position& client) const = 0; virtual litehtml::element::ptr create_element( const char* tag_name, const litehtml::string_map& attributes, const std::shared_ptr& doc) = 0; virtual void get_media_features(litehtml::media_features& media) const = 0; virtual void get_language(litehtml::string& language, litehtml::string& culture) const = 0; virtual litehtml::string resolve_color(const litehtml::string& /*color*/) const { return litehtml::string(); } virtual void split_text(const char* text, const std::function& on_word, const std::function& on_space); protected: ~document_container() = default; }; } #endif // LH_DOCUMENT_CONTAINER_H litehtml-litehtml-6ca1ab0/include/litehtml/el_anchor.h000066400000000000000000000005211455631435400232130ustar00rootroot00000000000000#ifndef LH_EL_ANCHOR_H #define LH_EL_ANCHOR_H #include "html_tag.h" namespace litehtml { class el_anchor : public html_tag { public: explicit el_anchor(const std::shared_ptr& doc); void on_click() override; void apply_stylesheet(const litehtml::css& stylesheet) override; }; } #endif // LH_EL_ANCHOR_H litehtml-litehtml-6ca1ab0/include/litehtml/el_base.h000066400000000000000000000004141455631435400226540ustar00rootroot00000000000000#ifndef LH_EL_BASE_H #define LH_EL_BASE_H #include "html_tag.h" namespace litehtml { class el_base : public html_tag { public: explicit el_base(const std::shared_ptr& doc); void parse_attributes() override; }; } #endif // LH_EL_BASE_H litehtml-litehtml-6ca1ab0/include/litehtml/el_before_after.h000066400000000000000000000014531455631435400243710ustar00rootroot00000000000000#ifndef LH_EL_BEFORE_AFTER_H #define LH_EL_BEFORE_AFTER_H #include "html_tag.h" namespace litehtml { class el_before_after_base : public html_tag { public: el_before_after_base(const std::shared_ptr& doc, bool before); void add_style(const style& style) override; private: void add_text(const string& txt); void add_function(const string& fnc, const string& params); static string convert_escape(const char* txt); }; class el_before : public el_before_after_base { public: explicit el_before(const std::shared_ptr& doc) : el_before_after_base(doc, true) { } }; class el_after : public el_before_after_base { public: explicit el_after(const std::shared_ptr& doc) : el_before_after_base(doc, false) { } }; } #endif // LH_EL_BEFORE_AFTER_H litehtml-litehtml-6ca1ab0/include/litehtml/el_body.h000066400000000000000000000004111455631435400226740ustar00rootroot00000000000000#ifndef LH_EL_BODY_H #define LH_EL_BODY_H #include "html_tag.h" namespace litehtml { class el_body : public html_tag { public: explicit el_body(const std::shared_ptr& doc); bool is_body() const override; }; } #endif // LH_EL_BODY_H litehtml-litehtml-6ca1ab0/include/litehtml/el_break.h000066400000000000000000000004221455631435400230250ustar00rootroot00000000000000#ifndef LH_EL_BREAK_H #define LH_EL_BREAK_H #include "html_tag.h" namespace litehtml { class el_break : public html_tag { public: explicit el_break(const std::shared_ptr& doc); bool is_break() const override; }; } #endif // LH_EL_BREAK_H litehtml-litehtml-6ca1ab0/include/litehtml/el_cdata.h000066400000000000000000000005071455631435400230210ustar00rootroot00000000000000#ifndef LH_EL_CDATA_H #define LH_EL_CDATA_H #include "html_tag.h" namespace litehtml { class el_cdata : public element { string m_text; public: explicit el_cdata(const std::shared_ptr& doc); void get_text(string& text) override; void set_data(const char* data) override; }; } #endif // LH_EL_CDATA_H litehtml-litehtml-6ca1ab0/include/litehtml/el_comment.h000066400000000000000000000010761455631435400234110ustar00rootroot00000000000000#ifndef LH_EL_COMMENT_H #define LH_EL_COMMENT_H #include "html_tag.h" namespace litehtml { class el_comment : public element { string m_text; public: explicit el_comment(const std::shared_ptr& doc); bool is_comment() const override; void get_text(string& text) override; void set_data(const char* data) override; std::shared_ptr create_render_item(const std::shared_ptr& parent_ri) override { // Comments are not rendered return nullptr; } }; } #endif // LH_EL_COMMENT_H litehtml-litehtml-6ca1ab0/include/litehtml/el_div.h000066400000000000000000000004071455631435400225260ustar00rootroot00000000000000#ifndef LH_EL_DIV_H #define LH_EL_DIV_H #include "html_tag.h" namespace litehtml { class el_div : public html_tag { public: explicit el_div(const std::shared_ptr& doc); void parse_attributes() override; }; } #endif // LH_EL_DIV_H litehtml-litehtml-6ca1ab0/include/litehtml/el_font.h000066400000000000000000000004141455631435400227100ustar00rootroot00000000000000#ifndef LH_EL_FONT_H #define LH_EL_FONT_H #include "html_tag.h" namespace litehtml { class el_font : public html_tag { public: explicit el_font(const std::shared_ptr& doc); void parse_attributes() override; }; } #endif // LH_EL_FONT_H litehtml-litehtml-6ca1ab0/include/litehtml/el_image.h000066400000000000000000000013171455631435400230270ustar00rootroot00000000000000#ifndef LH_EL_IMAGE_H #define LH_EL_IMAGE_H #include "html_tag.h" namespace litehtml { class el_image : public html_tag { string m_src; public: el_image(const document::ptr& doc); bool is_replaced() const override; void parse_attributes() override; void compute_styles(bool recursive = true) override; void draw(uint_ptr hdc, int x, int y, const position *clip, const std::shared_ptr &ri) override; void get_content_size(size& sz, int max_width) override; string dump_get_name() override; std::shared_ptr create_render_item(const std::shared_ptr& parent_ri) override; private: // int calc_max_height(int image_height); }; } #endif // LH_EL_IMAGE_H litehtml-litehtml-6ca1ab0/include/litehtml/el_link.h000066400000000000000000000004301455631435400226750ustar00rootroot00000000000000#ifndef LH_EL_LINK_H #define LH_EL_LINK_H #include "html_tag.h" namespace litehtml { class el_link : public html_tag { public: explicit el_link(const std::shared_ptr& doc); protected: void parse_attributes() override; }; } #endif // LH_EL_LINK_H litehtml-litehtml-6ca1ab0/include/litehtml/el_para.h000066400000000000000000000004151455631435400226660ustar00rootroot00000000000000#ifndef LH_EL_PARA_H #define LH_EL_PARA_H #include "html_tag.h" namespace litehtml { class el_para : public html_tag { public: explicit el_para(const std::shared_ptr& doc); void parse_attributes() override; }; } #endif // LH_EL_PARA_H litehtml-litehtml-6ca1ab0/include/litehtml/el_script.h000066400000000000000000000006261455631435400232530ustar00rootroot00000000000000#ifndef LH_EL_SCRIPT_H #define LH_EL_SCRIPT_H #include "html_tag.h" namespace litehtml { class el_script : public element { string m_text; public: explicit el_script(const std::shared_ptr& doc); void parse_attributes() override; bool appendChild(const ptr &el) override; string_id tag() const override; const char* get_tagName() const override; }; } #endif // LH_EL_SCRIPT_H litehtml-litehtml-6ca1ab0/include/litehtml/el_space.h000066400000000000000000000006331455631435400230400ustar00rootroot00000000000000#ifndef LH_EL_SPACE_H #define LH_EL_SPACE_H #include "html_tag.h" #include "el_text.h" namespace litehtml { class el_space : public el_text { public: el_space(const char* text, const std::shared_ptr& doc); bool is_white_space() const override; bool is_break() const override; bool is_space() const override; string dump_get_name() override; }; } #endif // LH_EL_SPACE_H litehtml-litehtml-6ca1ab0/include/litehtml/el_style.h000066400000000000000000000006431455631435400231060ustar00rootroot00000000000000#ifndef LH_EL_STYLE_H #define LH_EL_STYLE_H #include "html_tag.h" namespace litehtml { class el_style : public element { elements_list m_children; public: explicit el_style(const std::shared_ptr& doc); void parse_attributes() override; bool appendChild(const ptr &el) override; string_id tag() const override; const char* get_tagName() const override; }; } #endif // LH_EL_STYLE_H litehtml-litehtml-6ca1ab0/include/litehtml/el_table.h000066400000000000000000000006101455631435400230270ustar00rootroot00000000000000#ifndef LH_EL_TABLE_H #define LH_EL_TABLE_H #include "html_tag.h" namespace litehtml { struct col_info { int width; bool is_auto; }; class el_table : public html_tag { public: explicit el_table(const std::shared_ptr& doc); bool appendChild(const litehtml::element::ptr& el) override; void parse_attributes() override; }; } #endif // LH_EL_TABLE_H litehtml-litehtml-6ca1ab0/include/litehtml/el_td.h000066400000000000000000000004021455631435400223460ustar00rootroot00000000000000#ifndef LH_EL_TD_H #define LH_EL_TD_H #include "html_tag.h" namespace litehtml { class el_td : public html_tag { public: explicit el_td(const std::shared_ptr& doc); void parse_attributes() override; }; } #endif // LH_EL_TD_H litehtml-litehtml-6ca1ab0/include/litehtml/el_text.h000066400000000000000000000014661455631435400227360ustar00rootroot00000000000000#ifndef LH_EL_TEXT_H #define LH_EL_TEXT_H #include "html_tag.h" namespace litehtml { class el_text : public element { protected: string m_text; string m_transformed_text; size m_size; bool m_use_transformed; bool m_draw_spaces; public: el_text(const char* text, const document::ptr& doc); void get_text(string& text) override; void compute_styles(bool recursive) override; bool is_text() const override { return true; } void draw(uint_ptr hdc, int x, int y, const position *clip, const std::shared_ptr &ri) override; string dump_get_name() override; std::vector> dump_get_attrs() override; protected: void get_content_size(size& sz, int max_width) override; }; } #endif // LH_EL_TEXT_H litehtml-litehtml-6ca1ab0/include/litehtml/el_title.h000066400000000000000000000004351455631435400230660ustar00rootroot00000000000000#ifndef LH_EL_TITLE_H #define LH_EL_TITLE_H #include "html_tag.h" namespace litehtml { class el_title : public html_tag { public: explicit el_title(const std::shared_ptr& doc); protected: void parse_attributes() override; }; } #endif // LH_EL_TITLE_H litehtml-litehtml-6ca1ab0/include/litehtml/el_tr.h000066400000000000000000000004021455631435400223640ustar00rootroot00000000000000#ifndef LH_EL_TR_H #define LH_EL_TR_H #include "html_tag.h" namespace litehtml { class el_tr : public html_tag { public: explicit el_tr(const std::shared_ptr& doc); void parse_attributes() override; }; } #endif // LH_EL_TR_H litehtml-litehtml-6ca1ab0/include/litehtml/element.h000066400000000000000000000222551455631435400227220ustar00rootroot00000000000000#ifndef LH_ELEMENT_H #define LH_ELEMENT_H #include #include #include #include "stylesheet.h" #include "css_offsets.h" #include "css_margins.h" #include "css_properties.h" namespace litehtml { class line_box; class dumper; class render_item; class element : public std::enable_shared_from_this { friend class line_box; friend class html_tag; friend class el_table; friend class document; public: typedef std::shared_ptr ptr; typedef std::shared_ptr const_ptr; typedef std::weak_ptr weak_ptr; protected: std::weak_ptr m_parent; std::weak_ptr m_doc; elements_list m_children; css_properties m_css; std::list> m_renders; used_selector::vector m_used_styles; virtual void select_all(const css_selector& selector, elements_list& res); element::ptr _add_before_after(int type, const style& style); private: std::map m_counter_values; public: explicit element(const std::shared_ptr& doc); virtual ~element() = default; const css_properties& css() const; css_properties& css_w(); bool in_normal_flow() const; bool is_inline() const; // returns true if element is inline bool is_inline_box() const; // returns true if element is inline box (inline-table, inline-box, inline-flex) bool is_block_box() const; position get_placement() const; bool is_positioned() const; bool is_float() const; bool is_block_formatting_context() const; bool is_root() const; element::ptr parent() const; void parent(const element::ptr& par); // returns true for elements inside a table (but outside cells) that don't participate in table rendering bool is_table_skip() const; std::shared_ptr get_document() const; const std::list>& children() const; virtual elements_list select_all(const string& selector); virtual elements_list select_all(const css_selector& selector); virtual element::ptr select_one(const string& selector); virtual element::ptr select_one(const css_selector& selector); virtual bool appendChild(const ptr &el); virtual bool removeChild(const ptr &el); virtual void clearRecursive(); virtual string_id id() const; virtual string_id tag() const; virtual const char* get_tagName() const; virtual void set_tagName(const char* tag); virtual void set_data(const char* data); virtual void set_attr(const char* name, const char* val); virtual const char* get_attr(const char* name, const char* def = nullptr) const; virtual void apply_stylesheet(const litehtml::css& stylesheet); virtual void refresh_styles(); virtual bool is_white_space() const; virtual bool is_space() const; virtual bool is_comment() const; virtual bool is_body() const; virtual bool is_break() const; virtual bool is_text() const; virtual bool on_mouse_over(); virtual bool on_mouse_leave(); virtual bool on_lbutton_down(); virtual bool on_lbutton_up(); virtual void on_click(); virtual bool set_pseudo_class(string_id cls, bool add); virtual bool set_class(const char* pclass, bool add); virtual bool is_replaced() const; virtual void compute_styles(bool recursive = true); virtual void draw(uint_ptr hdc, int x, int y, const position *clip, const std::shared_ptr& ri); virtual void draw_background(uint_ptr hdc, int x, int y, const position *clip, const std::shared_ptr &ri); virtual int get_enum_property (string_id name, bool inherited, int default_value, uint_ptr css_properties_member_offset) const; virtual int get_int_property (string_id name, bool inherited, int default_value, uint_ptr css_properties_member_offset) const; virtual css_length get_length_property(string_id name, bool inherited, css_length default_value, uint_ptr css_properties_member_offset) const; virtual web_color get_color_property (string_id name, bool inherited, web_color default_value, uint_ptr css_properties_member_offset) const; virtual string get_string_property(string_id name, bool inherited, const string& default_value, uint_ptr css_properties_member_offset) const; virtual float get_number_property(string_id name, bool inherited, float default_value, uint_ptr css_properties_member_offset) const; virtual string_vector get_string_vector_property(string_id name, bool inherited, const string_vector& default_value, uint_ptr css_properties_member_offset) const; virtual int_vector get_int_vector_property (string_id name, bool inherited, const int_vector& default_value, uint_ptr css_properties_member_offset) const; virtual length_vector get_length_vector_property(string_id name, bool inherited, const length_vector& default_value, uint_ptr css_properties_member_offset) const; virtual size_vector get_size_vector_property (string_id name, bool inherited, const size_vector& default_value, uint_ptr css_properties_member_offset) const; virtual string get_custom_property(string_id name, const string& default_value) const; virtual void get_text(string& text); virtual void parse_attributes(); virtual int select(const string& selector); virtual int select(const css_selector& selector, bool apply_pseudo = true); virtual int select(const css_element_selector& selector, bool apply_pseudo = true); virtual element::ptr find_ancestor(const css_selector& selector, bool apply_pseudo = true, bool* is_pseudo = nullptr); virtual bool is_ancestor(const ptr &el) const; virtual element::ptr find_adjacent_sibling(const element::ptr& el, const css_selector& selector, bool apply_pseudo = true, bool* is_pseudo = nullptr); virtual element::ptr find_sibling(const element::ptr& el, const css_selector& selector, bool apply_pseudo = true, bool* is_pseudo = nullptr); virtual void get_content_size(size& sz, int max_width); virtual bool is_nth_child(const element::ptr& el, int num, int off, bool of_type) const; virtual bool is_nth_last_child(const element::ptr& el, int num, int off, bool of_type) const; virtual bool is_only_child(const element::ptr& el, bool of_type) const; virtual void add_style(const style& style); virtual const background* get_background(bool own_only = false); virtual string dump_get_name(); virtual std::vector> dump_get_attrs(); void dump(litehtml::dumper& cout); std::tuple split_inlines(); virtual std::shared_ptr create_render_item(const std::shared_ptr& parent_ri); bool requires_styles_update(); void add_render(const std::shared_ptr& ri); bool find_styles_changes( position::vector& redraw_boxes); element::ptr add_pseudo_before(const style& style) { return _add_before_after(0, style); } element::ptr add_pseudo_after(const style& style) { return _add_before_after(1, style); } string get_counter_value(const string& counter_name); string get_counters_value(const string_vector& parameters); void increment_counter(const string_id& counter_name_id, const int increment = 1); void reset_counter(const string_id& counter_name_id, const int value = 0); private: std::vector get_siblings_before() const; bool find_counter(const string_id& counter_name_id, std::map::iterator& map_iterator); void parse_counter_tokens(const string_vector& tokens, const int default_value, std::function handler) const; }; ////////////////////////////////////////////////////////////////////////// // INLINE FUNCTIONS // ////////////////////////////////////////////////////////////////////////// inline bool litehtml::element::in_normal_flow() const { if(css().get_position() != element_position_absolute && css().get_display() != display_none) { return true; } return false; } inline bool litehtml::element::is_root() const { return m_parent.expired(); } inline element::ptr litehtml::element::parent() const { return m_parent.lock(); } inline void litehtml::element::parent(const element::ptr& par) { m_parent = par; } inline bool litehtml::element::is_positioned() const { return (css().get_position() > element_position_static); } inline bool litehtml::element::is_float() const { return (css().get_float() != float_none); } inline std::shared_ptr element::get_document() const { return m_doc.lock(); } inline const css_properties& element::css() const { return m_css; } inline css_properties& element::css_w() { return m_css; } inline bool element::is_block_box() const { if (css().get_display() == display_block || css().get_display() == display_flex || css().get_display() == display_table || css().get_display() == display_list_item || css().get_display() == display_flex) { return true; } return false; } inline const std::list>& element::children() const { return m_children; } } #endif // LH_ELEMENT_H litehtml-litehtml-6ca1ab0/include/litehtml/flex_item.h000066400000000000000000000101761455631435400232440ustar00rootroot00000000000000#ifndef LITEHTML_FLEX_ITEM_H #define LITEHTML_FLEX_ITEM_H #include #include "formatting_context.h" namespace litehtml { class flex_line; /** * Base class for flex item */ class flex_item { public: std::shared_ptr el; int base_size; int min_size; def_value max_size; int main_size; int grow; int shrink; int scaled_flex_shrink_factor; bool frozen; int order; int src_order; def_value auto_margin_main_start; def_value auto_margin_main_end; bool auto_margin_cross_start; bool auto_margin_cross_end; flex_align_items align; explicit flex_item(std::shared_ptr &_el) : el(_el), align(flex_align_items_auto), grow(0), base_size(0), shrink(0), min_size(0), frozen(false), main_size(0), max_size(0), order(0), src_order(0), scaled_flex_shrink_factor(0), auto_margin_main_start(0), auto_margin_main_end(0), auto_margin_cross_start(false), auto_margin_cross_end(false) {} virtual ~flex_item() = default; bool operator<(const flex_item& b) const { if(order < b.order) return true; if(order == b.order) return src_order < b.src_order; return false; } void init(const litehtml::containing_block_context &self_size, litehtml::formatting_context *fmt_ctx, flex_align_items align_items); virtual void apply_main_auto_margins() = 0; virtual bool apply_cross_auto_margins(int cross_size) = 0; virtual void set_main_position(int pos) = 0; virtual void set_cross_position(int pos) = 0; virtual int get_el_main_size() = 0; virtual int get_el_cross_size() = 0; void place(flex_line &ln, int main_pos, const containing_block_context &self_size, formatting_context *fmt_ctx); int get_last_baseline(baseline::_baseline_type type) const; int get_first_baseline(baseline::_baseline_type type) const; protected: virtual void direction_specific_init(const litehtml::containing_block_context &self_size, litehtml::formatting_context *fmt_ctx) = 0; virtual void align_stretch(flex_line &ln, const containing_block_context &self_size, formatting_context *fmt_ctx) = 0; virtual void align_baseline(flex_line &ln, const containing_block_context &self_size, formatting_context *fmt_ctx) = 0; }; /** * Flex item with "flex-direction: row" or " flex-direction: row-reverse" */ class flex_item_row_direction : public flex_item { public: explicit flex_item_row_direction(std::shared_ptr &_el) : flex_item(_el) {} void apply_main_auto_margins() override; bool apply_cross_auto_margins(int cross_size) override; void set_main_position(int pos) override; void set_cross_position(int pos) override; int get_el_main_size() override; int get_el_cross_size() override; protected: void direction_specific_init(const litehtml::containing_block_context &self_size, litehtml::formatting_context *fmt_ctx) override; void align_stretch(flex_line &ln, const containing_block_context &self_size, formatting_context *fmt_ctx) override; void align_baseline(flex_line &ln, const containing_block_context &self_size, formatting_context *fmt_ctx) override; }; /** * Flex item with "flex-direction: column" or " flex-direction: column-reverse" */ class flex_item_column_direction : public flex_item { public: explicit flex_item_column_direction(std::shared_ptr &_el) : flex_item(_el) {} void apply_main_auto_margins() override; bool apply_cross_auto_margins(int cross_size) override; void set_main_position(int pos) override; void set_cross_position(int pos) override; int get_el_main_size() override; int get_el_cross_size() override; protected: void direction_specific_init(const litehtml::containing_block_context &self_size, litehtml::formatting_context *fmt_ctx) override; void align_stretch(flex_line &ln, const containing_block_context &self_size, formatting_context *fmt_ctx) override; void align_baseline(flex_line &ln, const containing_block_context &self_size, formatting_context *fmt_ctx) override; }; } #endif //LITEHTML_FLEX_ITEM_H litehtml-litehtml-6ca1ab0/include/litehtml/flex_line.h000066400000000000000000000031351455631435400232320ustar00rootroot00000000000000#ifndef LITEHTML_FLEX_LINE_H #define LITEHTML_FLEX_LINE_H #include "formatting_context.h" namespace litehtml { class flex_item; class flex_line { public: std::list> items; int cross_start; // for row direction: top. for column direction: left int main_size; // sum of all items main size int cross_size; // sum of all items cross size int base_size; int total_grow; int total_shrink; int num_auto_margin_main_start; // number of items with auto margin left/top int num_auto_margin_main_end; // number of items with auto margin right/bottom baseline first_baseline; baseline last_baseline; bool reverse_main; bool reverse_cross; flex_line(bool _reverse_main, bool _reverse_cross) : cross_size(0), cross_start(0), total_grow(0), base_size(0), total_shrink(0), main_size(0), num_auto_margin_main_start(0), num_auto_margin_main_end(0), first_baseline(), last_baseline(), reverse_main(_reverse_main), reverse_cross(_reverse_cross) {} void init(int container_main_size, bool fit_container, bool is_row_direction, const litehtml::containing_block_context &self_size, litehtml::formatting_context *fmt_ctx); bool distribute_main_auto_margins(int free_main_size); int calculate_items_position(int container_main_size, flex_justify_content justify_content, bool is_row_direction, const containing_block_context &self_size, formatting_context *fmt_ctx); protected: void distribute_free_space(int container_main_size); }; } #endif //LITEHTML_FLEX_LINE_H litehtml-litehtml-6ca1ab0/include/litehtml/formatting_context.h000066400000000000000000000030351455631435400252020ustar00rootroot00000000000000#ifndef LITEHTML_FLOATS_HOLDER_H #define LITEHTML_FLOATS_HOLDER_H #include #include "types.h" namespace litehtml { class formatting_context { private: std::list m_floats_left; std::list m_floats_right; int_int_cache m_cache_line_left; int_int_cache m_cache_line_right; int m_current_top; int m_current_left; public: formatting_context() : m_current_top(0), m_current_left(0) {} void push_position(int x, int y) { m_current_left += x; m_current_top += y; } void pop_position(int x, int y) { m_current_left -= x; m_current_top -= y; } void add_float(const std::shared_ptr &el, int min_width, int context); void clear_floats(int context); int find_next_line_top( int top, int width, int def_right ); int get_floats_height(element_float el_float = float_none) const; int get_left_floats_height() const; int get_right_floats_height() const; int get_line_left( int y ); void get_line_left_right( int y, int def_right, int& ln_left, int& ln_right ) { ln_left = get_line_left(y); ln_right = get_line_right(y, def_right); } int get_line_right( int y, int def_right ); int get_cleared_top(const std::shared_ptr &el, int line_top) const; void update_floats(int dy, const std::shared_ptr &parent); void apply_relative_shift(const containing_block_context &containing_block_size); int find_min_left(int y, int context_idx); int find_min_right(int y, int right, int context_idx); }; } #endif //LITEHTML_FLOATS_HOLDER_H litehtml-litehtml-6ca1ab0/include/litehtml/html.h000066400000000000000000000043551455631435400222360ustar00rootroot00000000000000#ifndef LH_HTML_H #define LH_HTML_H #include #include #include #include #include #include #include #include #include "os_types.h" #include "string_id.h" #include "types.h" #include "utf8_strings.h" #include "background.h" #include "borders.h" #include "web_color.h" #include "media_query.h" #include "html_tag.h" #include "document_container.h" #include "document.h" namespace litehtml { void trim(string &s, const string& chars_to_trim = " \n\r\t"); void lcase(string &s); int value_index(const string& val, const string& strings, int defValue = -1, char delim = ';'); string index_value(int index, const string& strings, char delim = ';'); bool value_in_list(const string& val, const string& strings, char delim = ';'); string::size_type find_close_bracket(const string &s, string::size_type off, char open_b = '(', char close_b = ')'); void split_string(const string& str, string_vector& tokens, const string& delims, const string& delims_preserve = "", const string& quote = "\""); void join_string(string& str, const string_vector& tokens, const string& delims); double t_strtod(const char* string, char** endPtr = nullptr); string get_escaped_string(const string& in_str); int t_strcasecmp(const char *s1, const char *s2); int t_strncasecmp(const char *s1, const char *s2, size_t n); bool is_number(const string& string, const bool allow_dot = 1); inline int t_isdigit(int c) { return (c >= '0' && c <= '9'); } inline int t_isalpha(int c) { return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'); } inline int t_tolower(int c) { return (c >= 'A' && c <= 'Z' ? c + 'a' - 'A' : c); } inline int round_f(float val) { int int_val = (int) val; if(val - int_val >= 0.5) { int_val++; } return int_val; } inline int round_d(double val) { int int_val = (int) val; if(val - int_val >= 0.5) { int_val++; } return int_val; } inline float t_strtof(const string& str, char** endPtr = nullptr) { return (float)t_strtod(str.c_str(), endPtr); } inline int baseline_align(int line_height, int line_base_line, int height, int baseline) { return (line_height - line_base_line) - (height - baseline); } } #endif // LH_HTML_H litehtml-litehtml-6ca1ab0/include/litehtml/html_tag.h000066400000000000000000000153011455631435400230620ustar00rootroot00000000000000#ifndef LH_HTML_TAG_H #define LH_HTML_TAG_H #include "element.h" #include "style.h" #include "background.h" #include "css_margins.h" #include "borders.h" #include "css_selector.h" #include "stylesheet.h" #include "line_box.h" #include "table.h" namespace litehtml { class html_tag : public element { friend class elements_iterator; friend class el_table; friend class table_grid; friend class line_box; public: typedef std::shared_ptr ptr; protected: string_id m_tag; string_id m_id; string_vector m_str_classes; std::vector m_classes; litehtml::style m_style; string_map m_attrs; std::vector m_pseudo_classes; void select_all(const css_selector& selector, elements_list& res) override; public: explicit html_tag(const std::shared_ptr& doc); // constructor for anonymous wrapper boxes explicit html_tag(const element::ptr& parent, const string& style = "display: block"); bool appendChild(const element::ptr &el) override; bool removeChild(const element::ptr &el) override; void clearRecursive() override; string_id tag() const override; string_id id() const override; const char* get_tagName() const override; void set_tagName(const char* tag) override; void set_data(const char* data) override; void set_attr(const char* name, const char* val) override; const char* get_attr(const char* name, const char* def = nullptr) const override; void apply_stylesheet(const litehtml::css& stylesheet) override; void refresh_styles() override; bool is_white_space() const override; bool is_body() const override; bool is_break() const override; bool on_mouse_over() override; bool on_mouse_leave() override; bool on_lbutton_down() override; bool on_lbutton_up() override; void on_click() override; bool set_pseudo_class(string_id cls, bool add) override; bool set_class(const char* pclass, bool add) override; bool is_replaced() const override; void compute_styles(bool recursive = true) override; void draw(uint_ptr hdc, int x, int y, const position *clip, const std::shared_ptr &ri) override; void draw_background(uint_ptr hdc, int x, int y, const position *clip, const std::shared_ptr &ri) override; template const Type& get_property_impl (string_id name, bool inherited, const Type& default_value, uint_ptr css_properties_member_offset) const; int get_enum_property (string_id name, bool inherited, int default_value, uint_ptr css_properties_member_offset) const override; int get_int_property (string_id name, bool inherited, int default_value, uint_ptr css_properties_member_offset) const override; css_length get_length_property(string_id name, bool inherited, css_length default_value, uint_ptr css_properties_member_offset) const override; web_color get_color_property (string_id name, bool inherited, web_color default_value, uint_ptr css_properties_member_offset) const override; string get_string_property(string_id name, bool inherited, const string& default_value, uint_ptr css_properties_member_offset) const override; float get_number_property(string_id name, bool inherited, float default_value, uint_ptr css_properties_member_offset) const override; string_vector get_string_vector_property(string_id name, bool inherited, const string_vector& default_value, uint_ptr css_properties_member_offset) const override; int_vector get_int_vector_property (string_id name, bool inherited, const int_vector& default_value, uint_ptr css_properties_member_offset) const override; length_vector get_length_vector_property(string_id name, bool inherited, const length_vector& default_value, uint_ptr css_properties_member_offset) const override; size_vector get_size_vector_property (string_id name, bool inherited, const size_vector& default_value, uint_ptr css_properties_member_offset) const override; string get_custom_property(string_id name, const string& default_value) const override; elements_list& children(); int select(const string& selector) override; int select(const css_selector& selector, bool apply_pseudo = true) override; int select(const css_element_selector& selector, bool apply_pseudo = true) override; int select_pseudoclass(const css_attribute_selector& sel); int select_attribute(const css_attribute_selector& sel); elements_list select_all(const string& selector) override; elements_list select_all(const css_selector& selector) override; element::ptr select_one(const string& selector) override; element::ptr select_one(const css_selector& selector) override; element::ptr find_ancestor(const css_selector& selector, bool apply_pseudo = true, bool* is_pseudo = nullptr) override; element::ptr find_adjacent_sibling(const element::ptr& el, const css_selector& selector, bool apply_pseudo = true, bool* is_pseudo = nullptr) override; element::ptr find_sibling(const element::ptr& el, const css_selector& selector, bool apply_pseudo = true, bool* is_pseudo = nullptr) override; void get_text(string& text) override; void parse_attributes() override; void get_content_size(size& sz, int max_width) override; void add_style(const style& style) override; bool is_nth_child(const element::ptr& el, int num, int off, bool of_type) const override; bool is_nth_last_child(const element::ptr& el, int num, int off, bool of_type) const override; bool is_only_child(const element::ptr& el, bool of_type) const override; const background* get_background(bool own_only = false) override; string dump_get_name() override; protected: void init_background_paint(position pos, std::vector& bg_paint, const background* bg, const std::shared_ptr& ri); void init_one_background_paint(int i, position pos, background_paint& bg_paint, const background* bg, const std::shared_ptr& ri); void draw_list_marker( uint_ptr hdc, const position &pos ); string get_list_marker_text(int index); element::ptr get_element_before(const style& style, bool create); element::ptr get_element_after(const style& style, bool create); private: void handle_counter_properties(); }; /************************************************************************/ /* Inline Functions */ /************************************************************************/ inline elements_list& litehtml::html_tag::children() { return m_children; } } #endif // LH_HTML_TAG_H litehtml-litehtml-6ca1ab0/include/litehtml/iterators.h000066400000000000000000000035301455631435400233000ustar00rootroot00000000000000#ifndef LH_ITERATORS_H #define LH_ITERATORS_H #include "types.h" #include #include namespace litehtml { class render_item; class iterator_selector { public: virtual bool select(const std::shared_ptr& el) = 0; protected: ~iterator_selector() = default; }; enum iterator_item_type { iterator_item_type_child, iterator_item_type_start_parent, iterator_item_type_end_parent }; class elements_iterator { private: iterator_selector* m_go_inside; iterator_selector* m_select; bool m_return_parent; /** * Checks if iterator should go inside the element * * @param el element to check * @return true to go inside */ bool go_inside(const std::shared_ptr& el); public: elements_iterator(bool return_parents, iterator_selector* go_inside, iterator_selector* select); ~elements_iterator() = default; void process(const std::shared_ptr& container, const std::function&, iterator_item_type)>& func); private: void next_idx(); }; class go_inside_inline final : public iterator_selector { public: bool select(const std::shared_ptr& el) override; }; class inline_selector final : public iterator_selector { public: bool select(const std::shared_ptr& el) override; }; class go_inside_table final : public iterator_selector { public: bool select(const std::shared_ptr& el) override; }; class table_rows_selector final : public iterator_selector { public: bool select(const std::shared_ptr& el) override; }; class table_cells_selector final : public iterator_selector { public: bool select(const std::shared_ptr& el) override; }; } #endif // LH_ITERATORS_H litehtml-litehtml-6ca1ab0/include/litehtml/line_box.h000066400000000000000000000115221455631435400230630ustar00rootroot00000000000000#ifndef LH_LINE_BOX_H #define LH_LINE_BOX_H #include #include #include "os_types.h" #include "types.h" namespace litehtml { class render_item; struct line_context { int calculatedTop; int top; int left; int right; int width() const { return right - left; } void fix_top() { calculatedTop = top; } }; class line_box_item { public: enum element_type { type_text_part, type_inline_start, type_inline_continue, type_inline_end }; protected: std::shared_ptr m_element; int m_rendered_min_width; public: explicit line_box_item(const std::shared_ptr& element) : m_element(element), m_rendered_min_width(0) {} line_box_item() = default; line_box_item(const line_box_item& el) = default; line_box_item(line_box_item&&) = default; int height() const { return right() - left(); } const std::shared_ptr& get_el() const { return m_element; } virtual position& pos(); virtual void place_to(int x, int y); virtual int width() const; virtual int top() const; virtual int bottom() const; virtual int right() const; virtual int left() const; virtual element_type get_type() const { return type_text_part; } virtual int get_rendered_min_width() const { return m_rendered_min_width; } virtual void set_rendered_min_width(int min_width) { m_rendered_min_width = min_width; } }; class lbi_start : public line_box_item { protected: position m_pos; public: explicit lbi_start(const std::shared_ptr& element); void place_to(int x, int y) override; int width() const override; position& pos() override { return m_pos; } int top() const override; int bottom() const override; int right() const override; int left() const override; element_type get_type() const override { return type_inline_start; } int get_rendered_min_width() const override { return width(); } }; class lbi_end : public lbi_start { public: explicit lbi_end(const std::shared_ptr& element); void place_to(int x, int y) override; int right() const override; int left() const override; element_type get_type() const override { return type_inline_end; } }; class lbi_continue : public lbi_start { public: explicit lbi_continue(const std::shared_ptr& element); void place_to(int x, int y) override; int right() const override; int left() const override; int width() const override; element_type get_type() const override { return type_inline_continue; } }; class line_box { struct va_context { int baseline; font_metrics fm; va_context() : baseline(0) {} }; int m_top; int m_left; int m_right; int m_height; int m_width; int m_line_height; int m_default_line_height; font_metrics m_font_metrics; int m_baseline; text_align m_text_align; int m_min_width; std::list< std::unique_ptr > m_items; public: line_box(int top, int left, int right, int line_height, const font_metrics& fm, text_align align) : m_top(top), m_left(left), m_right(right), m_height(0), m_width(0), m_font_metrics(fm), m_default_line_height(line_height), m_baseline(0), m_line_height(0), m_text_align(align), m_min_width(0) { } int bottom() const { return m_top + height(); } int top() const { return m_top; } int right() const { return m_left + width(); } int left() const { return m_left; } int height() const { return m_height; } int width() const { return m_width; } int line_right() const { return m_right; } int min_width() const { return m_min_width; } void add_item(std::unique_ptr item); bool can_hold(const std::unique_ptr& item, white_space ws) const; bool is_empty() const; int baseline() const; int top_margin() const; int bottom_margin() const; void y_shift(int shift); std::list< std::unique_ptr > finish(bool last_box, const containing_block_context &containing_block_size); std::list< std::unique_ptr > new_width(int left, int right); std::shared_ptr get_last_text_part() const; std::shared_ptr get_first_text_part() const; std::list< std::unique_ptr >& items() { return m_items; } private: bool have_last_space() const; bool is_break_only() const; static int calc_va_baseline(const va_context& current, vertical_align va, const font_metrics& new_font, int top, int bottom); }; } #endif //LH_LINE_BOX_H litehtml-litehtml-6ca1ab0/include/litehtml/master_css.h000066400000000000000000000112271455631435400234310ustar00rootroot00000000000000#ifndef LH_MASTER_CSS_H #define LH_MASTER_CSS_H namespace litehtml{ const char* const master_css = R"##( html { display: block; position: relative; } head { display: none } meta { display: none } title { display: none } link { display: none } style { display: none } script { display: none } body { display:block; margin:8px; } p { display:block; margin-top:1em; margin-bottom:1em; } b, strong { display:inline; font-weight:bold; } i, em, cite { display:inline; font-style:italic; } ins, u { text-decoration:underline } del, s, strike { text-decoration:line-through } center { text-align:center; display:block; } a:link { text-decoration: underline; color: #00f; cursor: pointer; } h1, h2, h3, h4, h5, h6, div { display:block; } h1 { font-weight:bold; margin-top:0.67em; margin-bottom:0.67em; font-size: 2em; } h2 { font-weight:bold; margin-top:0.83em; margin-bottom:0.83em; font-size: 1.5em; } h3 { font-weight:bold; margin-top:1em; margin-bottom:1em; font-size:1.17em; } h4 { font-weight:bold; margin-top:1.33em; margin-bottom:1.33em } h5 { font-weight:bold; margin-top:1.67em; margin-bottom:1.67em; font-size:.83em; } h6 { font-weight:bold; margin-top:2.33em; margin-bottom:2.33em; font-size:.67em; } br { display:inline-block; } br[clear="all"] { clear:both; } br[clear="left"] { clear:left; } br[clear="right"] { clear:right; } span { display:inline } img { display: inline-block; } img[align="right"] { float: right; } img[align="left"] { float: left; } hr { display: block; margin-top: 0.5em; margin-bottom: 0.5em; margin-left: auto; margin-right: auto; border-style: inset; border-width: 1px } /***************** TABLES ********************/ table { display: table; border-collapse: separate; border-spacing: 2px; border-top-color:gray; border-left-color:gray; border-bottom-color:black; border-right-color:black; font-size: medium; font-weight: normal; font-style: normal; } tbody, tfoot, thead { display:table-row-group; vertical-align:middle; } tr { display: table-row; vertical-align: inherit; border-color: inherit; } td, th { display: table-cell; vertical-align: inherit; border-width:1px; padding:1px; } th { font-weight: bold; } table[border] { border-style:solid; } table[border|=0] { border-style:none; } table[border] td, table[border] th { border-style:solid; border-top-color:black; border-left-color:black; border-bottom-color:gray; border-right-color:gray; } table[border|=0] td, table[border|=0] th { border-style:none; } table[align=left] { float: left; } table[align=right] { float: right; } table[align=center] { margin-left: auto; margin-right: auto; } caption { display: table-caption; } td[nowrap], th[nowrap] { white-space:nowrap; } tt, code, kbd, samp { font-family: monospace } pre, xmp, plaintext, listing { display: block; font-family: monospace; white-space: pre; margin: 1em 0 } /***************** LISTS ********************/ ul, menu, dir { display: block; list-style-type: disc; margin-top: 1em; margin-bottom: 1em; margin-left: 0; margin-right: 0; padding-left: 40px } ol { display: block; list-style-type: decimal; margin-top: 1em; margin-bottom: 1em; margin-left: 0; margin-right: 0; padding-left: 40px } li { display: list-item; } ul ul, ol ul { list-style-type: circle; } ol ol ul, ol ul ul, ul ol ul, ul ul ul { list-style-type: square; } dd { display: block; margin-left: 40px; } dl { display: block; margin-top: 1em; margin-bottom: 1em; margin-left: 0; margin-right: 0; } dt { display: block; } ol ul, ul ol, ul ul, ol ol { margin-top: 0; margin-bottom: 0 } blockquote { display: block; margin-top: 1em; margin-bottom: 1em; margin-left: 40px; margin-right: 40px; } /*********** FORM ELEMENTS ************/ form { display: block; margin-top: 0em; } option { display: none; } input, textarea, keygen, select, button, isindex { margin: 0em; color: initial; line-height: normal; text-transform: none; text-indent: 0; text-shadow: none; display: inline-block; } input[type="hidden"] { display: none; } article, aside, footer, header, hgroup, nav, section { display: block; } sub { vertical-align: sub; font-size: smaller; } sup { vertical-align: super; font-size: smaller; } figure { display: block; margin-top: 1em; margin-bottom: 1em; margin-left: 40px; margin-right: 40px; } figcaption { display: block; } )##"; } #endif // LH_MASTER_CSS_H litehtml-litehtml-6ca1ab0/include/litehtml/media_query.h000066400000000000000000000032711455631435400235720ustar00rootroot00000000000000#ifndef LH_MEDIA_QUERY_H #define LH_MEDIA_QUERY_H namespace litehtml { struct media_query_expression { typedef std::vector vector; media_feature feature; int val; int val2; bool check_as_bool; media_query_expression() { check_as_bool = false; feature = media_feature_none; val = 0; val2 = 0; } bool check(const media_features& features) const; }; class media_query { public: typedef std::shared_ptr ptr; typedef std::vector vector; private: media_query_expression::vector m_expressions; bool m_not; media_type m_media_type; public: media_query(); media_query(const media_query& val); static media_query::ptr create_from_string(const string& str, const std::shared_ptr& doc); bool check(const media_features& features) const; }; class media_query_list { public: typedef std::shared_ptr ptr; typedef std::vector vector; private: media_query::vector m_queries; bool m_is_used; public: media_query_list(); media_query_list(const media_query_list& val); static media_query_list::ptr create_from_string(const string& str, const std::shared_ptr& doc); bool is_used() const; bool apply_media_features(const media_features& features); // returns true if the m_is_used changed }; inline media_query_list::media_query_list(const media_query_list& val) { m_is_used = val.m_is_used; m_queries = val.m_queries; } inline media_query_list::media_query_list() { m_is_used = false; } inline bool media_query_list::is_used() const { return m_is_used; } } #endif // LH_MEDIA_QUERY_H litehtml-litehtml-6ca1ab0/include/litehtml/num_cvt.h000066400000000000000000000005001455631435400227310ustar00rootroot00000000000000#ifndef NUM_CVT_H #define NUM_CVT_H #include #include "os_types.h" namespace litehtml { namespace num_cvt { string to_latin_lower(int val); string to_latin_upper(int val); string to_greek_lower(int val); string to_roman_lower(int value); string to_roman_upper(int value); } } #endif // NUM_CVT_Hlitehtml-litehtml-6ca1ab0/include/litehtml/os_types.h000066400000000000000000000012761455631435400231360ustar00rootroot00000000000000#ifndef LH_OS_TYPES_H #define LH_OS_TYPES_H #include #include namespace litehtml { using std::string; typedef std::uintptr_t uint_ptr; #if defined( WIN32 ) || defined( _WIN32 ) || defined( WINCE ) // noexcept appeared since Visual Studio 2015 #if defined(_MSC_VER) && _MSC_VER < 1900 #define noexcept #endif #define t_itoa(value, buffer, size, radix) _itoa_s(value, buffer, size, radix) #define t_snprintf(s, n, format, ...) _snprintf_s(s, _TRUNCATE, n, format, __VA_ARGS__) #else #define t_itoa(value, buffer, size, radix) snprintf(buffer, size, "%d", value) #define t_snprintf(s, n, format, ...) snprintf(s, n, format, __VA_ARGS__) #endif } #endif // LH_OS_TYPES_H litehtml-litehtml-6ca1ab0/include/litehtml/render_block.h000066400000000000000000000027141455631435400237200ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_BLOCK_H #define LITEHTML_RENDER_BLOCK_H #include "render_item.h" namespace litehtml { class render_item_block : public render_item { protected: /** * Render block content. * * @param x - horizontal position of the content * @param y - vertical position of the content * @param second_pass - true is this is the second pass. * @param ret_width - input minimal width. * @param self_size - defines calculated size of block * @return return value is the minimal width of the content in block. Must be greater or equal to ret_width parameter */ virtual int _render_content(int x, int y, bool second_pass, const containing_block_context &self_size, formatting_context* fmt_ctx) {return 0;} int _render(int x, int y, const containing_block_context &containing_block_size, formatting_context* fmt_ctx, bool second_pass) override; int place_float(const std::shared_ptr &el, int top, const containing_block_context &self_size, formatting_context* fmt_ctx); virtual void fix_line_width(element_float flt, const containing_block_context &containing_block_size, formatting_context* fmt_ctx) {} public: explicit render_item_block(std::shared_ptr src_el) : render_item(std::move(src_el)) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } std::shared_ptr init() override; }; } #endif //LITEHTML_RENDER_BLOCK_H litehtml-litehtml-6ca1ab0/include/litehtml/render_block_context.h000066400000000000000000000016231455631435400254620ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_BLOCK_CONTEXT_H #define LITEHTML_RENDER_BLOCK_CONTEXT_H #include "render_block.h" namespace litehtml { /** * In a block formatting context, boxes are laid out one after the other, vertically, beginning at the top of a * containing block. * https://www.w3.org/TR/CSS22/visuren.html#block-formatting */ class render_item_block_context : public render_item_block { protected: int _render_content(int x, int y, bool second_pass, const containing_block_context &self_size, formatting_context* fmt_ctx) override; public: explicit render_item_block_context(std::shared_ptr src_el) : render_item_block(std::move(src_el)) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } int get_first_baseline() override; int get_last_baseline() override; }; } #endif //LITEHTML_RENDER_BLOCK_CONTEXT_H litehtml-litehtml-6ca1ab0/include/litehtml/render_flex.h000066400000000000000000000016721455631435400235660ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_FLEX_H #define LITEHTML_RENDER_FLEX_H #include "render_block.h" #include "flex_item.h" #include "flex_line.h" namespace litehtml { class render_item_flex : public render_item_block { std::list m_lines; std::list get_lines(const containing_block_context &self_size, formatting_context *fmt_ctx, bool is_row_direction, int container_main_size, bool single_line); int _render_content(int x, int y, bool second_pass, const containing_block_context &self_size, formatting_context* fmt_ctx) override; public: explicit render_item_flex(std::shared_ptr src_el) : render_item_block(std::move(src_el)) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } std::shared_ptr init() override; int get_first_baseline() override; int get_last_baseline() override; }; } #endif //LITEHTML_RENDER_FLEX_H litehtml-litehtml-6ca1ab0/include/litehtml/render_image.h000066400000000000000000000012101455631435400236760ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_IMAGE_H #define LITEHTML_RENDER_IMAGE_H #include "render_item.h" namespace litehtml { class render_item_image : public render_item { protected: int calc_max_height(int image_height, int containing_block_height); int _render(int x, int y, const containing_block_context &containing_block_size, formatting_context* fmt_ctx, bool second_pass) override; public: explicit render_item_image(std::shared_ptr src_el) : render_item(std::move(src_el)) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } }; } #endif //LITEHTML_RENDER_IMAGE_H litehtml-litehtml-6ca1ab0/include/litehtml/render_inline.h000066400000000000000000000020651455631435400241030ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_INLINE_H #define LITEHTML_RENDER_INLINE_H #include "render_item.h" namespace litehtml { class render_item_inline : public render_item { protected: position::vector m_boxes; public: explicit render_item_inline(std::shared_ptr src_el) : render_item(std::move(src_el)) {} void get_inline_boxes( position::vector& boxes ) const override { boxes = m_boxes; } void set_inline_boxes( position::vector& boxes ) override { m_boxes = boxes; } void add_inline_box( const position& box ) override { m_boxes.emplace_back(box); }; void clear_inline_boxes() override { m_boxes.clear(); } int get_first_baseline() override { return src_el()->css().get_font_metrics().height - src_el()->css().get_font_metrics().base_line(); } int get_last_baseline() override { return src_el()->css().get_font_metrics().height - src_el()->css().get_font_metrics().base_line(); } std::shared_ptr clone() override { return std::make_shared(src_el()); } }; } #endif //LITEHTML_RENDER_INLINE_H litehtml-litehtml-6ca1ab0/include/litehtml/render_inline_context.h000066400000000000000000000041131455631435400256430ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_INLINE_CONTEXT_H #define LITEHTML_RENDER_INLINE_CONTEXT_H #include "render_block.h" namespace litehtml { /** * An inline formatting context is established by a block container box that contains no block-level boxes. * https://www.w3.org/TR/CSS22/visuren.html#inline-formatting */ class render_item_inline_context : public render_item_block { /** * Structure contains elements with display: inline * members: * - element: render_item with display: inline * - boxes: rectangles represented inline element content. There are can be many boxes if content * is split into some lines * - start_box: the start position of currently calculated box */ struct inlines_item { std::shared_ptr element; position::vector boxes; position start_box; explicit inlines_item(const std::shared_ptr& el) : element(el) {} }; protected: std::vector > m_line_boxes; int m_max_line_width; int _render_content(int x, int y, bool second_pass, const containing_block_context &self_size, formatting_context* fmt_ctx) override; void fix_line_width(element_float flt, const containing_block_context &self_size, formatting_context* fmt_ctx) override; std::list > finish_last_box(bool end_of_render, const containing_block_context &self_size); void place_inline(std::unique_ptr item, const containing_block_context &self_size, formatting_context* fmt_ctx); int new_box(const std::unique_ptr& el, line_context& line_ctx, const containing_block_context &self_size, formatting_context* fmt_ctx); void apply_vertical_align() override; public: explicit render_item_inline_context(std::shared_ptr src_el) : render_item_block(std::move(src_el)), m_max_line_width(0) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } int get_first_baseline() override; int get_last_baseline() override; }; } #endif //LITEHTML_RENDER_INLINE_CONTEXT_H litehtml-litehtml-6ca1ab0/include/litehtml/render_item.h000066400000000000000000000244441455631435400235700ustar00rootroot00000000000000#ifndef LH_RENDER_ITEM_H #define LH_RENDER_ITEM_H #include #include #include #include #include "types.h" #include "line_box.h" #include "table.h" #include "formatting_context.h" namespace litehtml { class element; class render_item : public std::enable_shared_from_this { protected: std::shared_ptr m_element; std::weak_ptr m_parent; std::list> m_children; margins m_margins; margins m_padding; margins m_borders; position m_pos; bool m_skip; std::vector> m_positioned; containing_block_context calculate_containing_block_context(const containing_block_context& cb_context); void calc_cb_length(const css_length& len, int percent_base, containing_block_context::typed_int& out_value) const; virtual int _render(int x, int y, const containing_block_context& containing_block_size, formatting_context* fmt_ctx, bool second_pass = false) { return 0; } public: explicit render_item(std::shared_ptr src_el); virtual ~render_item() = default; std::list>& children() { return m_children; } position& pos() { return m_pos; } bool skip() const { return m_skip; } void skip(bool val) { m_skip = val; } int right() const { return left() + width(); } int left() const { return m_pos.left() - m_margins.left - m_padding.left - m_borders.left; } int top() const { return m_pos.top() - m_margins.top - m_padding.top - m_borders.top; } int bottom() const { return top() + height(); } int height() const { return m_pos.height + m_margins.height() + m_padding.height() + m_borders.height(); } int width() const { return m_pos.width + m_margins.width() + m_padding.width() + m_borders.width(); } int padding_top() const { return m_padding.top; } int padding_bottom() const { return m_padding.bottom; } int padding_left() const { return m_padding.left; } int padding_right() const { return m_padding.right; } int border_top() const { return m_borders.top; } int border_bottom() const { return m_borders.bottom; } int border_left() const { return m_borders.left; } int border_right() const { return m_borders.right; } int margin_top() const { return m_margins.top; } int margin_bottom() const { return m_margins.bottom; } int margin_left() const { return m_margins.left; } int margin_right() const { return m_margins.right; } std::shared_ptr parent() const { return m_parent.lock(); } margins& get_margins() { return m_margins; } margins& get_paddings() { return m_padding; } void set_paddings(const margins& val) { m_padding = val; } margins& get_borders() { return m_borders; } /** * Top offset to the element content. Includes paddings, margins and borders. */ int content_offset_top() const { return m_margins.top + m_padding.top + m_borders.top; } /** * Bottom offset to the element content. Includes paddings, margins and borders. */ inline int content_offset_bottom() const { return m_margins.bottom + m_padding.bottom + m_borders.bottom; } /** * Left offset to the element content. Includes paddings, margins and borders. */ int content_offset_left() const { return m_margins.left + m_padding.left + m_borders.left; } /** * Right offset to the element content. Includes paddings, margins and borders. */ int content_offset_right() const { return m_margins.right + m_padding.right + m_borders.right; } /** * Sum of left and right offsets to the element content. Includes paddings, margins and borders. */ int content_offset_width() const { return content_offset_left() + content_offset_right(); } /** * Sum of top and bottom offsets to the element content. Includes paddings, margins and borders. */ int content_offset_height() const { return content_offset_top() + content_offset_bottom(); } int box_sizing_left() const { if(css().get_box_sizing() == box_sizing_border_box) { return m_padding.left + m_borders.left; } return 0; } int box_sizing_right() const { if(css().get_box_sizing() == box_sizing_border_box) { return m_padding.right + m_borders.right; } return 0; } int box_sizing_width() const { return box_sizing_left() + box_sizing_right(); } int box_sizing_top() const { if(css().get_box_sizing() == box_sizing_border_box) { return m_padding.top + m_borders.top; } return 0; } int box_sizing_bottom() const { if(css().get_box_sizing() == box_sizing_border_box) { return m_padding.bottom + m_borders.bottom; } return 0; } int box_sizing_height() const { return box_sizing_top() + box_sizing_bottom(); } void parent(const std::shared_ptr& par) { m_parent = par; } const std::shared_ptr& src_el() const { return m_element; } const css_properties& css() const { return m_element->css(); } void add_child(const std::shared_ptr& ri) { m_children.push_back(ri); ri->parent(shared_from_this()); } bool is_root() const { return m_parent.expired(); } bool collapse_top_margin() const { return !m_borders.top && !m_padding.top && m_element->in_normal_flow() && m_element->css().get_float() == float_none && m_margins.top >= 0 && !is_flex_item() && !is_root(); } bool collapse_bottom_margin() const { return !m_borders.bottom && !m_padding.bottom && m_element->in_normal_flow() && m_element->css().get_float() == float_none && m_margins.bottom >= 0 && !is_root(); } bool is_visible() const { return !(m_skip || src_el()->css().get_display() == display_none || src_el()->css().get_visibility() != visibility_visible); } bool is_flex_item() const { auto par = parent(); if(par && (par->css().get_display() == display_inline_flex || par->css().get_display() == display_flex)) { return true; } return false; } int render(int x, int y, const containing_block_context& containing_block_size, formatting_context* fmt_ctx, bool second_pass = false); void apply_relative_shift(const containing_block_context &containing_block_size); void calc_outlines( int parent_width ); int calc_auto_margins(int parent_width); // returns left margin virtual std::shared_ptr init(); virtual void apply_vertical_align() {} /** * Get first baseline position. Default position is element bottom without bottom margin. * @returns offset of the first baseline from element top */ virtual int get_first_baseline() { return height() - margin_bottom(); } /** * Get last baseline position. Default position is element bottom without bottom margin. * @returns offset of the last baseline from element top */ virtual int get_last_baseline() { return height() - margin_bottom(); } virtual std::shared_ptr clone() { return std::make_shared(src_el()); } std::tuple< std::shared_ptr, std::shared_ptr, std::shared_ptr > split_inlines(); bool fetch_positioned(); void render_positioned(render_type rt = render_all); void add_positioned(const std::shared_ptr &el); void get_redraw_box(litehtml::position& pos, int x = 0, int y = 0); void calc_document_size( litehtml::size& sz, litehtml::size& content_size, int x = 0, int y = 0 ); virtual void get_inline_boxes( position::vector& boxes ) const {}; virtual void set_inline_boxes( position::vector& boxes ) {}; virtual void add_inline_box( const position& box ) {}; virtual void clear_inline_boxes() {}; void draw_stacking_context( uint_ptr hdc, int x, int y, const position* clip, bool with_positioned ); virtual void draw_children( uint_ptr hdc, int x, int y, const position* clip, draw_flag flag, int zindex ); virtual int get_draw_vertical_offset() { return 0; } virtual std::shared_ptr get_child_by_point(int x, int y, int client_x, int client_y, draw_flag flag, int zindex); std::shared_ptr get_element_by_point(int x, int y, int client_x, int client_y); bool is_point_inside( int x, int y ); void dump(litehtml::dumper& cout); position get_placement() const; /** * Returns the boxes of rendering element. All coordinates are absolute * * @param redraw_boxes [out] resulting rendering boxes * @return */ void get_rendering_boxes( position::vector& redraw_boxes); }; } #endif //LH_RENDER_ITEM_H litehtml-litehtml-6ca1ab0/include/litehtml/render_table.h000066400000000000000000000027721455631435400237210ustar00rootroot00000000000000#ifndef LITEHTML_RENDER_TABLE_H #define LITEHTML_RENDER_TABLE_H #include "render_item.h" namespace litehtml { class render_item_table : public render_item { protected: // data for table rendering std::unique_ptr m_grid; int m_border_spacing_x; int m_border_spacing_y; int _render(int x, int y, const containing_block_context &containing_block_size, formatting_context* fmt_ctx, bool second_pass) override; public: explicit render_item_table(std::shared_ptr src_el); std::shared_ptr clone() override { return std::make_shared(src_el()); } void draw_children(uint_ptr hdc, int x, int y, const position* clip, draw_flag flag, int zindex) override; int get_draw_vertical_offset() override; std::shared_ptr init() override; }; class render_item_table_part : public render_item { public: explicit render_item_table_part(std::shared_ptr src_el) : render_item(std::move(src_el)) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } }; class render_item_table_row : public render_item { public: explicit render_item_table_row(std::shared_ptr src_el) : render_item(std::move(src_el)) {} std::shared_ptr clone() override { return std::make_shared(src_el()); } void get_inline_boxes( position::vector& boxes ) const override; }; } #endif //LITEHTML_RENDER_TABLE_H litehtml-litehtml-6ca1ab0/include/litehtml/string_id.h000066400000000000000000000100701455631435400232430ustar00rootroot00000000000000#ifndef LH_STRING_ID_H #define LH_STRING_ID_H namespace litehtml { #define STRING_ID(...)\ enum string_id { __VA_ARGS__ };\ const auto initial_string_ids = #__VA_ARGS__; STRING_ID( // HTML tags _a_, _abbr_, _acronym_, _address_, _applet_, _area_, _article_, _aside_, _audio_, _b_, _base_, _basefont_, _bdi_, _bdo_, _big_, _blockquote_, _body_, _br_, _button_, _canvas_, _caption_, _center_, _cite_, _code_, _col_, _colgroup_, _data_, _datalist_, _dd_, _del_, _details_, _dfn_, _dialog_, _dir_, _div_, _dl_, _dt_, _em_, _embed_, _fieldset_, _figcaption_, _figure_, _footer_, _form_, _frame_, _frameset_, _h1_, _h2_, _h3_, _h4_, _h5_, _h6_, _head_, _header_, _hr_, _html_, _i_, _iframe_, _img_, _input_, _ins_, _kbd_, _label_, _legend_, _li_, _link_, _main_, _map_, _mark_, _meta_, _meter_, _nav_, _noframes_, _noscript_, _object_, _ol_, _optgroup_, _option_, _output_, _p_, _param_, _picture_, _pre_, _progress_, _q_, _rp_, _rt_, _ruby_, _s_, _samp_, _script_, _section_, _select_, _small_, _source_, _span_, _strike_, _strong_, _style_, _sub_, _summary_, _sup_, _svg_, _table_, _tbody_, _td_, _template_, _textarea_, _tfoot_, _th_, _thead_, _time_, _title_, _tr_, _track_, _tt_, _u_, _ul_, _var_, _video_, _wbr_, // litehtml internal tags __tag_before_, // note: real tag cannot start with '-' __tag_after_, // CSS pseudo-elements _before_, _after_, // CSS pseudo-classes _root_, _only_child_, _only_of_type_, _first_child_, _first_of_type_, _last_child_, _last_of_type_, _nth_child_, _nth_of_type_, _nth_last_child_, _nth_last_of_type_, _not_, _lang_, _active_, _hover_, // CSS property names _background_, _background_color_, _background_image_, _background_image_baseurl_, _background_repeat_, _background_origin_, _background_clip_, _background_attachment_, _background_size_, _background_position_, _background_position_x_, _background_position_y_, _border_, _border_width_, _border_style_, _border_color_, _border_spacing_, __litehtml_border_spacing_x_, __litehtml_border_spacing_y_, _border_left_, _border_right_, _border_top_, _border_bottom_, _border_left_style_, _border_right_style_, _border_top_style_, _border_bottom_style_, _border_left_width_, _border_right_width_, _border_top_width_, _border_bottom_width_, _border_left_color_, _border_right_color_, _border_top_color_, _border_bottom_color_, _border_radius_, _border_radius_x_, _border_radius_y_, _border_bottom_left_radius_, _border_bottom_left_radius_x_, _border_bottom_left_radius_y_, _border_bottom_right_radius_, _border_bottom_right_radius_x_, _border_bottom_right_radius_y_, _border_top_left_radius_, _border_top_left_radius_x_, _border_top_left_radius_y_, _border_top_right_radius_, _border_top_right_radius_x_, _border_top_right_radius_y_, _list_style_, _list_style_type_, _list_style_position_, _list_style_image_, _list_style_image_baseurl_, _margin_, _margin_left_, _margin_right_, _margin_top_, _margin_bottom_, _padding_, _padding_left_, _padding_right_, _padding_top_, _padding_bottom_, _font_, _font_family_, _font_style_, _font_variant_, _font_weight_, _font_size_, _line_height_, _text_decoration_, _white_space_, _text_align_, _vertical_align_, _color_, _width_, _height_, _min_width_, _min_height_, _max_width_, _max_height_, _position_, _overflow_, _display_, _visibility_, _box_sizing_, _z_index_, _float_, _clear_, _text_indent_, _left_, _right_, _top_, _bottom_, _cursor_, _content_, _border_collapse_, _text_transform_, _flex_, _flex_flow_, _flex_direction_, _flex_wrap_, _justify_content_, _align_items_, _align_content_, _align_self_, _flex_grow_, _flex_shrink_, _flex_basis_, _caption_side_, _order_, _counter_reset_, _counter_increment_, ); #undef STRING_ID extern const string_id empty_id; // _id("") extern const string_id star_id; // _id("*") string_id _id(const string& str); const string& _s(string_id id); } // namespace litehtml #endif // LH_STRING_ID_H litehtml-litehtml-6ca1ab0/include/litehtml/style.h000066400000000000000000000145041455631435400224270ustar00rootroot00000000000000#ifndef LH_STYLE_H #define LH_STYLE_H namespace litehtml { enum property_type { prop_type_invalid, // indicates "not found" condition in style::get_property prop_type_inherit, // "inherit" was specified as the value of this property prop_type_enum_item, prop_type_enum_item_vector, prop_type_length, prop_type_length_vector, prop_type_number, prop_type_color, prop_type_string, prop_type_string_vector, prop_type_size_vector, prop_type_var, // also string, but needs further parsing because of var() }; class property_value { public: property_type m_type; bool m_important; union { int m_enum_item; int_vector m_enum_item_vector; css_length m_length; length_vector m_length_vector; float m_number; web_color m_color; string m_string; string_vector m_string_vector; size_vector m_size_vector; }; property_value() : m_type(prop_type_invalid) { } property_value(bool important, property_type type) : m_type(type), m_important(important) { } property_value(const string& str, bool important, property_type type = prop_type_string) : m_string(str), m_type(type), m_important(important) { } property_value(const string_vector& vec, bool important) : m_string_vector(vec), m_type(prop_type_string_vector), m_important(important) { } property_value(const css_length& length, bool important) : m_length(length), m_type(prop_type_length), m_important(important) { } property_value(const length_vector& vec, bool important) : m_length_vector(vec), m_type(prop_type_length_vector), m_important(important) { } property_value(float number, bool important) : m_number(number), m_type(prop_type_number), m_important(important) { } property_value(int enum_item, bool important) : m_enum_item(enum_item), m_type(prop_type_enum_item), m_important(important) { } property_value(const int_vector& vec, bool important) : m_enum_item_vector(vec), m_type(prop_type_enum_item_vector), m_important(important) { } property_value(web_color color, bool important) : m_color(color), m_type(prop_type_color), m_important(important) { } property_value(const size_vector& vec, bool important) : m_size_vector(vec), m_type(prop_type_size_vector), m_important(important) { } ~property_value() { switch (m_type) { case prop_type_string: case prop_type_var: m_string.~string(); break; case prop_type_string_vector: m_string_vector.~string_vector(); break; case prop_type_length: m_length.~css_length(); break; case prop_type_length_vector: m_length_vector.~length_vector(); break; case prop_type_enum_item_vector: m_enum_item_vector.~int_vector(); break; case prop_type_color: m_color.~web_color(); break; case prop_type_size_vector: m_size_vector.~size_vector(); break; } } property_value& operator=(const property_value& val) { this->~property_value(); switch (val.m_type) { case prop_type_invalid: new(this) property_value(); break; case prop_type_inherit: new(this) property_value(val.m_important, val.m_type); break; case prop_type_string: case prop_type_var: new(this) property_value(val.m_string, val.m_important, val.m_type); break; case prop_type_string_vector: new(this) property_value(val.m_string_vector, val.m_important); break; case prop_type_enum_item: new(this) property_value(val.m_enum_item, val.m_important); break; case prop_type_enum_item_vector: new(this) property_value(val.m_enum_item_vector, val.m_important); break; case prop_type_length: new(this) property_value(val.m_length, val.m_important); break; case prop_type_length_vector: new(this) property_value(val.m_length_vector, val.m_important); break; case prop_type_number: new(this) property_value(val.m_number, val.m_important); break; case prop_type_color: new(this) property_value(val.m_color, val.m_important); break; case prop_type_size_vector: new(this) property_value(val.m_size_vector, val.m_important); break; } return *this; } }; typedef std::map props_map; class style { public: typedef std::shared_ptr
Month savings
Month Savings
January $100
MonthlysavingsMonthly savings!!! Monthly savings!!!
February $50
just a tablelitehtml-litehtml-6ca1ab0/test/render/acid1.htm000066400000000000000000000067211455631435400216040ustar00rootroot00000000000000 display/box/float/clear test
toggle
  • the way

  • the world ends

    bang

    whimper

  • i grow old
  • pluot?
bar maids,

sing to me, erbarme dich

This is a nonsensical document, but syntactically valid HTML 4.0. All 100%-conformant CSS1 agents should be able to render the document elements above this paragraph indistinguishably (to the pixel) from this reference rendering, (except font rasterization and form widgets). All discrepancies should be traceable to CSS1 implementation shortcomings. Once you have finished evaluating this test, you can return to the parent page.

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litehtml-litehtml-6ca1ab0/test/render/counter.htm.png000066400000000000000000000063441455631435400230660ustar00rootroot00000000000000PNG  IHDR ^#Wt IDATxձnH%a'n\ft ' ^e|ɡV:i*6ȒͱYZVn6U"("("~:v1!FlQHa=0HV"nmvE0iCqߌ5M eWnp2d8GA|5 Xb}(7GF`׿G Bckc ǑDW%v["!̀ 5%dgkr\2"m", څ=Fqhu1E#s#wtB/g.1n1%_QDEQDEQD. Ʌr\ Y>C> WB~D5Eu"΁&K}EB<HH:B ("("(ȏxDgѽ2tCnb"…GPkˆFp$AhEva'„ aBxQpQ:(F d3ݻҥ. wyH5^p("("("B\̿[lm p4пG 9DB;'C pR΀^oBbAd"("(ȓBEܢsD@LFoe:C>"}Bk'. ۟ 35I OBC<ɑ*sy/pE/O9_zBx*\!-^Nɓt En{Iȧ%("("(2,W|n$*'$W~π+g"Ett I!;5 "׀B]!M$(\#WaBDBIY]zhodt was J]X*{#m &"Ǚ("("̃85j* (WaBޙ +#`@.%DnMZ:&y!oJIxb@D;R(Sߝ"]#wR.O%. "&B EEQDEQDEQdbbkCOhjءgcG"9DB;5"Yyv^>i"y}v8N a.2 .vqo,yDyTP/_M5qkC,@ Sf?cJPk@ _D2.BtgOG,?&V@t_UB8FWboy&(d1\ RSkܚ8C}$5Yd qHx]iwEәuD4:@"!E< Տ!.7.n?!qH=ݭS#rKF%+]YMF.h6˂2?ZW,:l+S4>G3 mиxG78}oC06Hhduϕ3寀iM.E $~52QQDEQDEQI!΢GL-6^AD+B@As 4;\q/0Z5BH!+BpiC ꉐ#5*F_gDYyFjT\7G cnCZBIb~̌\==!EԓZO&FO'ѓ )=ꉐ#.Y@ήY kT5+ܤF/+Qq]-Rb`FNY9v y?$+ ~!$1zr?LOfFO. ꉐ"K''ѓI`=ꉐ"%#u;H5$kH:HIɷwobu~Ȝאt=dI ))I! #䳑ƷHYy IB"MH{HZduoh!ŃȍѓFOSIbQO"D!lf0򕁜sF#iw]ꛄ?𛐐`HSn`Fb) ~!$1zr?LOfFO. !B"|ZIENDB`litehtml-litehtml-6ca1ab0/test/render/css-1-line-height.htm000066400000000000000000000017031455631435400237370ustar00rootroot00000000000000
normal
normal
1
1
100%
100%
1em
1em
litehtml-litehtml-6ca1ab0/test/render/css-1-line-height.htm.png000066400000000000000000000005011455631435400245150ustar00rootroot00000000000000PNG  IHDRRIDATx1J0j @jPp:=8S JA -:gM+&/mu1ohWBG'ћWr{x2dOryax[vkjgۣKLiĂ(z!ǐ ݝA`F01p{WĺqbS~8ns<$<V*-FFOOOFOh'FO}$OW8@IENDB`litehtml-litehtml-6ca1ab0/test/render/css-2-invalid-color.htm000066400000000000000000000003101455631435400242760ustar00rootroot00000000000000

textlitehtml-litehtml-6ca1ab0/test/render/css-2-invalid-color.htm.png000066400000000000000000000002271455631435400250700ustar00rootroot00000000000000PNG  IHDR 0Ӏ-PLTEZLIDATxѱ 0 DQ& Me!$:4"O.>=":K$w6D)ǒ2$R1;z@_JHIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/000077500000000000000000000000001455631435400210415ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/test/render/flex/--flex-minimum-height-flex-items-003.htm000066400000000000000000000044171455631435400301430ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum height of flex items

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-abspos-child-001a.htm000066400000000000000000000036571455631435400263740ustar00rootroot00000000000000 CSS Test: Testing that "min-width", "max-width", "min-height", and "max-height" are applied on absolutely positioned children of a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-abspos-child-001b.htm000066400000000000000000000037131455631435400263660ustar00rootroot00000000000000 CSS Test: Testing that "min-width", "max-width", "min-height", and "max-height" are applied on absolutely positioned children of a vertical flex container
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-abspos-child-002.htm000066400000000000000000000050551455631435400262260ustar00rootroot00000000000000 CSS Test: Test that "flex-basis" doesn't affect layout of abspos flex child
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-baseline-single-item-001a.htm000066400000000000000000000044501455631435400300110ustar00rootroot00000000000000 CSS Test: Testing the baseline of a horizontal flex container with one flex item A
a
a
a
a
a
abs
a
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-baseline-single-item-001b.htm000066400000000000000000000045021455631435400300100ustar00rootroot00000000000000 CSS Test: Testing the baseline of a vertical flex container with one flex item A
a
a
a
a
a
abs
a
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-flex-basis-content-002a.htm000066400000000000000000000055051455631435400275240ustar00rootroot00000000000000 CSS Test: Testing "flex-basis: content" in a column-oriented flex container
a b
c
a b
c
a b
c
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-flex-basis-content-002b.htm000066400000000000000000000055231455631435400275250ustar00rootroot00000000000000 CSS Test: Testing "flex-basis: content" (set via the "flex" shorthand) in a column-oriented flex container.
a b
c
a b
c
a b
c
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-flex-basis-content-003a.htm000066400000000000000000000074141455631435400275260ustar00rootroot00000000000000 CSS Test: Testing that explicit "flex-basis: content" is treated as "max-content" when calculating flex base size
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-flex-basis-content-003b.htm000066400000000000000000000075111455631435400275250ustar00rootroot00000000000000 CSS Test: Testing that used "flex-basis: content" is treated as "max-content" when calculating flex base size
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-flex-basis-content-004a.htm000066400000000000000000000100361455631435400275210ustar00rootroot00000000000000 CSS Test: Testing that explicit "flex-basis: content" is treated as "max-content" when calculating flex base size
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-gap-position-absolute.htm000066400000000000000000000026261455631435400276050ustar00rootroot00000000000000 CSS Flexible Box Layout Test: Test flexbox intrinsic inline-size, gap, and absolute-positioned children
B C
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-items-as-stacking-contexts-001.htm000066400000000000000000000075561455631435400310550ustar00rootroot00000000000000 CSS Test: Testing that 'z-index' property makes flex items form stacking contexts
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-mbp-horiz-004.htm000066400000000000000000000066001455631435400255640ustar00rootroot00000000000000 CSS Test: Testing percent-valued padding and margin on flex items
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-min-height-auto-001.htm000066400000000000000000000104741455631435400266550ustar00rootroot00000000000000 CSS Test: Testing min-height:auto
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-min-height-auto-003.htm000066400000000000000000000046651455631435400266640ustar00rootroot00000000000000 CSS Test: Testing min-height:auto & 'overflow' interaction
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-min-height-auto-004.htm000066400000000000000000000054701455631435400266600ustar00rootroot00000000000000 CSS Test: Testing min-height:auto & 'overflow' interaction
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-min-width-auto-001.htm000066400000000000000000000103511455631435400265160ustar00rootroot00000000000000 CSS Test: Testing min-width:auto
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-min-width-auto-003.htm000066400000000000000000000045651455631435400265320ustar00rootroot00000000000000 CSS Test: Testing min-width:auto & 'overflow' interaction
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-min-width-auto-004.htm000066400000000000000000000053701455631435400265260ustar00rootroot00000000000000 CSS Test: Testing min-width:auto & 'overflow' interaction
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-paint-ordering-001.htm000066400000000000000000000061401455631435400265730ustar00rootroot00000000000000 CSS Test: Testing the paint-order of overlapping flex items, with varying tweaks on the container
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-paint-ordering-002.htm000066400000000000000000000133571455631435400266040ustar00rootroot00000000000000 CSS Test: Testing the paint-order of overlapping flex items with 'order' and 'z-index' set




litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-single-line-clamp-3.htm000066400000000000000000000030231455631435400270100ustar00rootroot00000000000000 CSS Test: Single-line flex containers should clamp their line's height to the container's computed min and max cross-size.
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-sizing-horiz-001.htm000066400000000000000000000063511455631435400263110ustar00rootroot00000000000000 CSS Test: Testing sizing of an auto-sized horizontal flex container with min-width and max-width constraints
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-sizing-horiz-002.htm000066400000000000000000000045051455631435400263110ustar00rootroot00000000000000 CSS Test: Testing sizing of an auto-sized horizontal flex container with min-height and max-height constraints
text
text
text
text
text
text
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-sizing-vert-001.htm000066400000000000000000000074501455631435400261370ustar00rootroot00000000000000 CSS Test: Testing sizing of an auto-sized vertical flex container with min-height and max-height constraints
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-sizing-vert-002.htm000066400000000000000000000045021455631435400261330ustar00rootroot00000000000000 CSS Test: Testing sizing of an auto-sized vertical flex container with min-width and max-width constraints
AB
AB
AB
AB
AB
AB
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox-with-pseudo-elements-003.htm000066400000000000000000000047051455631435400277420ustar00rootroot00000000000000 CSS Test: Testing that generated content nodes with table-part display types are wrapped with an anonymous table, which forms a flex item
x
y
z
x
y
z
x
y
z
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_fbfc.htm000066400000000000000000000020771455631435400243420ustar00rootroot00000000000000 flexbox | flex formatting context :: float intrusion
filler
Yellow box should be below the blue box
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_fbfc2.htm000066400000000000000000000020401455631435400244120ustar00rootroot00000000000000 flexbox | flex formatting context :: float intrusion
float
Yellow box yellow box yellow box
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_flex-formatting-interop.htm000066400000000000000000000023151455631435400302210ustar00rootroot00000000000000 flexbox | flex formatting context :: negative margins and border box
float
xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_flex-natural-mixed-basis.htm000066400000000000000000000023251455631435400302430ustar00rootroot00000000000000 flexbox | flex: larger integer, mixed basis
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_flex-natural-variable-zero-basis.htm000066400000000000000000000023561455631435400317030ustar00rootroot00000000000000 flexbox | flex: larger integer, zero basis
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_flex-none-wrappable-content.htm000066400000000000000000000022701455631435400307530ustar00rootroot00000000000000 Specifying flex:none on wrappable content should give content its full width
XXX XXX XXX
You should see three green rectangles above, all on the same line.
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_inline-abspos.htm000066400000000000000000000015361455631435400262040ustar00rootroot00000000000000 flexbox | absolutely positioned inline
FAIL
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_inline-float.htm000066400000000000000000000015051455631435400260160ustar00rootroot00000000000000 flexbox | floated inline
FAIL
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_inline.htm000066400000000000000000000015201455631435400247100ustar00rootroot00000000000000 flexbox | inline
HELLOWORLD
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_order-abspos-space-around.htm000066400000000000000000000022441455631435400304150ustar00rootroot00000000000000 flexbox | order; justify-content: space-around
filler filler filler
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_stf-table-singleline-2.htm000066400000000000000000000022541455631435400276060ustar00rootroot00000000000000 flexbox | singleline flexcontainer versus stf :: table

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_table-fixed-layout.htm000066400000000000000000000024111455631435400271310ustar00rootroot00000000000000 flexbox | flexcontainers in tables

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler
litehtml-litehtml-6ca1ab0/test/render/flex/--flexbox_width-overflow.htm000066400000000000000000000017331455631435400264200ustar00rootroot00000000000000 flexbox | overflow

one two three four

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/--multiline-shrink-to-fit.htm000066400000000000000000000050451455631435400264070ustar00rootroot00000000000000 CSS Flexbox: multiline column flexboxes and shrink-to-fit.

The grey background should be 100px wide.

The grey background should be 100px wide.

The grey background should be 100px wide.

The grey background should be 100px wide and 5px should stick out the bottom.

litehtml-litehtml-6ca1ab0/test/render/flex/--percentage-heights-008.htm000066400000000000000000000025301455631435400257600ustar00rootroot00000000000000 Fixed indefinite heights

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/--percentage-heights-010.htm000066400000000000000000000022131455631435400257470ustar00rootroot00000000000000 A height: 100% descendant should trigger a relayout when stretching.

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-content-001.htm000066400000000000000000000036021455631435400246710ustar00rootroot00000000000000 CSS Test: A multi-line flex container with the 'align-content' property set to 'center'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-content-002.htm000066400000000000000000000036041455631435400246740ustar00rootroot00000000000000 CSS Test: A multi-line flex container with the 'align-content' property set to 'flex-start'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-content-003.htm000066400000000000000000000035741455631435400247030ustar00rootroot00000000000000 CSS Test: A multi-line flex container with the 'align-content' property set to 'flex-end'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-content-004.htm000066400000000000000000000037031455631435400246760ustar00rootroot00000000000000 CSS Test: A multi-line flex container with the 'align-content' property set to 'space-between'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-content-005.htm000066400000000000000000000037571455631435400247100ustar00rootroot00000000000000 CSS Test: A multi-line flex container with the 'align-content' property set to 'space-around'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-items-001.htm000066400000000000000000000036101455631435400243370ustar00rootroot00000000000000 CSS Test: A flex container with the 'align-items' property set to 'center'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-items-002.htm000066400000000000000000000036521455631435400243460ustar00rootroot00000000000000 CSS Test: A flex container with the 'align-items' property set to 'flex-start'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-items-003.htm000066400000000000000000000036421455631435400243460ustar00rootroot00000000000000 CSS Test: A flex container with the 'align-items' property set to 'flex-end'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-align-items-004.htm000066400000000000000000000046701455631435400243510ustar00rootroot00000000000000 CSS Test: A flex container with the 'align-items' property set to 'baseline'

Test passes if there is no red visible on the page.

d1
d2
d3
d4
d5
d6
d7
d8
litehtml-litehtml-6ca1ab0/test/render/flex/-contain-layout-baseline-002.htm000066400000000000000000000030461455631435400266600ustar00rootroot00000000000000 CSS Containment Test: Layout containment supress baseline in flex items

Test passes if there is a filled green square and no red.

item
litehtml-litehtml-6ca1ab0/test/render/flex/-contain-layout-suppress-baseline-002.htm000066400000000000000000000052651455631435400305470ustar00rootroot00000000000000 CSS Test: 'contain: layout' should make elements behave as if they have no baseline
litehtml-litehtml-6ca1ab0/test/render/flex/-content-height-with-scrollbars.htm000066400000000000000000000030231455631435400276630ustar00rootroot00000000000000 Ensure flexbox content-size excludes scrollbar.

This tests that when setting the height of a flex item to a percentage height, we use the content height with scrollbars. The content should not be scrollable in any of the test cases below.

litehtml-litehtml-6ca1ab0/test/render/flex/-cross-axis-scrollbar.htm000066400000000000000000000117041455631435400257070ustar00rootroot00000000000000 CSS Flexbox: Scrollbars and flex-direction. This test passes if no red is showing.
litehtml-litehtml-6ca1ab0/test/render/flex/-css-box-justify-content.htm000066400000000000000000000023451455631435400263550ustar00rootroot00000000000000 flexbox |css-box-justify-content

This test passes if the DIV5's position in the end and the div is Horizontal layout

DIV1
 
DIV2
 
DIV3
 
DIV4
 
DIV5
litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-row-reverse-wrap-reverse.htm000066400000000000000000000043621455631435400307700ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.

litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-row-reverse-wrap.htm000066400000000000000000000043221455631435400273130ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.

litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-row-reverse.htm000066400000000000000000000046431455631435400263520ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.



litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-row-wrap-reverse.htm000066400000000000000000000043211455631435400273120ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.

litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-row-wrap.htm000066400000000000000000000042621455631435400256450ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.

litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-row.htm000066400000000000000000000046031455631435400246750ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.



litehtml-litehtml-6ca1ab0/test/render/flex/-css-flexbox-test1.htm000066400000000000000000000043321455631435400251250ustar00rootroot00000000000000 CSS Flexbox Test: flex direction: row, writing mode vertical

The test passes if you see a tall green box with pairs of the digits 1-9 listed top to bottom in two columns.

１２３
１２３
４５６
４５６
７８９
７８９
litehtml-litehtml-6ca1ab0/test/render/flex/-direction-upright-002.htm000066400000000000000000000124561455631435400255770ustar00rootroot00000000000000 'text-orientation: upright' forces used 'direction' to LTR in vertical typographic modes

Test passes if both rows of boxes are identical (coloring, order, orientation, and arrangement of contents).

ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
ABC
A B
A B
A Bb CcDd Ee
litehtml-litehtml-6ca1ab0/test/render/flex/-flex-002.htm000066400000000000000000000034711455631435400230720ustar00rootroot00000000000000 CSS Test: The 'flex' shorthand adjusting the 'flex-shrink' sub-property

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-003.htm000066400000000000000000000035751455631435400231000ustar00rootroot00000000000000 CSS Test: Comparing two different elements using different values for the 'flex-grow' sub-property on the 'flex' shorthand

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-004.htm000066400000000000000000000036021455631435400230700ustar00rootroot00000000000000 CSS Test: Comparing two different elements using different values for the 'flex-shrink' sub-property on the 'flex' shorthand

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-aspect-ratio-019.htm000066400000000000000000000021321455631435400254640ustar00rootroot00000000000000 CSS aspect-ratio: Row flexbox main size with flex-basis:content

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-aspect-ratio-020.htm000066400000000000000000000022111455631435400254520ustar00rootroot00000000000000 CSS aspect-ratio: Flex item main size with flex-basis:content in Column flex container

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-aspect-ratio-021.htm000066400000000000000000000022051455631435400254560ustar00rootroot00000000000000 CSS aspect-ratio: Flex item main size with flex-basis:content and width in Row flex container

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-aspect-ratio-022.htm000066400000000000000000000022161455631435400254610ustar00rootroot00000000000000 CSS aspect-ratio: Column flexbox main size with flex-basis:content and height

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-direction-row-002-visual.htm000066400000000000000000000027131455631435400271540ustar00rootroot00000000000000 CSS Test: flex-direction:row axis matches that of writing mode inline axis

Test passes if both the lines below are identical.

ABC
CBA
litehtml-litehtml-6ca1ab0/test/render/flex/-flex-direction-row-vertical.htm000066400000000000000000000033011455631435400271550ustar00rootroot00000000000000 CSS Test: flex-direction:row has the same orientation as inline axis

Test passes if both the two columns below are identical.

ABC
CBA
litehtml-litehtml-6ca1ab0/test/render/flex/-flex-inline.htm000066400000000000000000000027071455631435400240500ustar00rootroot00000000000000 CSS Flexible Box Test: display proprety - inline-flex

The test passed if you see a green block which its text is 'Success!'.

Success!
litehtml-litehtml-6ca1ab0/test/render/flex/-flex-minimum-height-flex-items-022.htm000066400000000000000000000013631455631435400300640ustar00rootroot00000000000000 Minimum height of a replaced element with borders

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flex-minimum-width-flex-items-001.htm000066400000000000000000000037301455631435400277300ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum width of flex items

Test passes if there is a filled green square and no red.

IT E
litehtml-litehtml-6ca1ab0/test/render/flex/-flex-minimum-width-flex-items-003.htm000066400000000000000000000040361455631435400277320ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum width of flex items

Test passes if there is a filled green square and no red.

IT E
litehtml-litehtml-6ca1ab0/test/render/flex/-flex-minimum-width-flex-items-009.htm000066400000000000000000000022461455631435400277410ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum width of flex items

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-abspos-child-001b.htm000066400000000000000000000030121455631435400263010ustar00rootroot00000000000000 CSS Test: Testing that "min-width", "max-width", "min-height", and "max-height" are applied on absolutely positioned children of a vertical flex container
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-abspos-child-002.htm000066400000000000000000000041561455631435400261520ustar00rootroot00000000000000 CSS Test: Test that "flex-basis" doesn't affect layout of abspos flex child
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-baseline-horiz-006.htm000066400000000000000000000044341455631435400305370ustar00rootroot00000000000000 CSS Test: Baseline alignment of block flex items with 'baseline' value for 'align-items' / 'align-self' against non-parallel writing-modes.
ortho
one line
two
lines
offset
ortho
one line
two
lines
offset
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-baseline-horiz-008.htm000066400000000000000000000046321455631435400305410ustar00rootroot00000000000000 CSS Test: Baseline alignment of block flex items with 'baseline' and 'last-baseline' values for 'align-self' against each other.
one line (first)
one line (last)
two
lines and offset (last)
offset (first)
one line (first)
one line (last)
two
lines and offset (last)
offset (first)
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-horiz-001-table.htm000066400000000000000000000063371455631435400300430ustar00rootroot00000000000000 CSS Test: Testing the various 'align-self' property values on flex items that are tables
start
a b c d e f
end
a b c d e f
center
a b c d e f
base
abc
stretch
a b c d e f
auto
unspec
initial
inherit
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-horiz-002.htm000066400000000000000000000062671455631435400267610ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a horizontal flex container, with margin/padding/border on the items
start
a b c d e f
end
a b c d e f
center
a b c d e f

base
abc
stretch
a b c d e f

self-start
a b c d e f
self-end
a b c d e f
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-vert-002.htm000066400000000000000000000061111455631435400265720ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a vertical flex container, with margin/padding/border on the items
start
a b c d e f
end
a b c d e f
center
a b c d e f
base
abc
stretch
a b c d e f
self-start
a b c d e f
self-end
a b c d e f
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-vert-rtl-001.htm000066400000000000000000000063421455631435400273760ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' property values on flex items that are blocks, in a vertical flex container with 'direction: rtl'
start
a b c d e f
end
a b c d e f
center
a b c d e f
base
abc
stretch
a b c d e f
auto
unspec
initial
inherit
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-vert-rtl-002.htm000066400000000000000000000054171455631435400274010ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a vertical flex container, with margin/padding/border on the items and with 'direction: rtl'
start
a b c d e f
end
a b c d e f
center
a b c d e f
base
abc
stretch
a b c d e f
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-vert-rtl-003.htm000066400000000000000000000050301455631435400273710ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a vertical flex container that's skinnier than its items and with 'direction: rtl'
start
a b
end
a b
center
a b
base
abc
stretch
a b
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-vert-rtl-004.htm000066400000000000000000000063761455631435400274100ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a vertical flex container that's skinnier than its items, with margin/padding/border on the items and with 'direction: rtl'
start
a b
stretch
a b
center
a b
base
abc
end
a b
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-align-self-vert-rtl-005.htm000066400000000000000000000061271455631435400274030ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a vertical flex container, with margin/padding/border on the items and with 'direction:rtl'
start
a b c d e f
end
a b c d e f
center
a b c d e f
base
abc
stretch
a b c d e f
self-start
a b c d e f
self-end
a b c d e f
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-anonymous-items-001.htm000066400000000000000000000013321455631435400267410ustar00rootroot00000000000000 CSS Test: Testing that we gracefully handle cases where two anonymous flex items become adjacent due to "order" reordering
a a
x x
b b
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-basic-block-horiz-001v.htm000066400000000000000000000052531455631435400272700ustar00rootroot00000000000000 CSS Test: Testing flexbox layout algorithm property on block flex items in a horizontal flex container (with various writing-modes on the flex items).
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-basic-block-vert-001v.htm000066400000000000000000000053061455631435400271140ustar00rootroot00000000000000 CSS Test: Testing flexbox layout algorithm property on block flex items in a vertical flex container (with various writing-modes on the flex items).
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-collapsed-item-baseline-001.htm000066400000000000000000000040741455631435400302620ustar00rootroot00000000000000 CSS Test: Testing that a collapsed flex item participates in baseline alignment only for the purpose of establishing container's cross size
a
b
a
b
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-collapsed-item-horiz-001.htm000066400000000000000000000064041455631435400276320ustar00rootroot00000000000000 CSS Test: Testing that visibility:collapse on a flex item in a single-line flex container maintains the containers's cross size, but doesn't otherwise impact flex layout
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-collapsed-item-horiz-002.htm000066400000000000000000000074301455631435400276330ustar00rootroot00000000000000 CSS Test: Testing that visibility:collapse on a flex item in a multi-line flex container creates struts, and that they can migrate between lines
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-collapsed-item-horiz-003.htm000066400000000000000000000043441455631435400276350ustar00rootroot00000000000000 CSS Test: Testing that strut formation (from visibility:collapse) happens *after* lines have been stretched
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-basis-content-001a.htm000066400000000000000000000054521455631435400274470ustar00rootroot00000000000000 CSS Test: Testing "flex-basis: content" in a row-oriented flex container
a b
c
a b
c
a b
c
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-basis-content-001b.htm000066400000000000000000000054711455631435400274510ustar00rootroot00000000000000 CSS Test: Testing "flex-basis: content" (set via the "flex" shorthand) in a row-oriented flex container.
a b
c
a b
c
a b
c
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-basis-content-004b.htm000066400000000000000000000101331455631435400274430ustar00rootroot00000000000000 CSS Test: Testing that used "flex-basis: content" is treated as "max-content" when calculating flex base size
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-wrap-default.htm000066400000000000000000000021561455631435400266300ustar00rootroot00000000000000 CSS Flexbox Test: Flex-wrap defaults to nowrap

The test passes if there is a green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-wrap-vert-001.htm000066400000000000000000000057171455631435400264700ustar00rootroot00000000000000 CSS Test: Testing flex-wrap in vertical flex containers
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-wrap-vert-002.htm000066400000000000000000000031351455631435400264610ustar00rootroot00000000000000 CSS Test: Ensure that min-height is honored for vertical multi-line flex containers
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-flex-wrap-wrap-reverse.htm000066400000000000000000000037671455631435400276370ustar00rootroot00000000000000 CSS Flexbox Test: Flex-wrap = wrap-reverse

The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

7
8
9
4
5
6
1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-justify-content-wmvert-001.htm000066400000000000000000000116131455631435400302640ustar00rootroot00000000000000 CSS Test: Testing 'justify-content' in a vertical writing mode flex container
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-mbp-horiz-001-rtl-reverse.htm000066400000000000000000000052361455631435400277600ustar00rootroot00000000000000 CSS Test: Testing borders on flex items in a row-reverse horizontal flex container, with 'direction: rtl'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-mbp-horiz-001-rtl.htm000066400000000000000000000050641455631435400263060ustar00rootroot00000000000000 CSS Test: Testing borders on flex items in a horizontal flex container with 'direction: rtl'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-mbp-horiz-002v.htm000066400000000000000000000056621455631435400257020ustar00rootroot00000000000000 CSS Test: Testing margins, borders, and padding on flex items in a horizontal flex container (with a vertical writing-mode on the flex items).
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-mbp-horiz-003v.htm000066400000000000000000000060311455631435400256720ustar00rootroot00000000000000 CSS Test: Testing borders and padding on a horizontal flex container and its flex items (with a vertical writing-mode on the flex items).
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-min-width-auto-002a.htm000066400000000000000000000052461455631435400266120ustar00rootroot00000000000000 CSS Test: Testing min-width:auto
blue square
blue square
blue square
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-min-width-auto-002b.htm000066400000000000000000000052561455631435400266140ustar00rootroot00000000000000 CSS Test: Testing min-width:auto
blue square
blue square
blue square
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-min-width-auto-002c.htm000066400000000000000000000053271455631435400266140ustar00rootroot00000000000000 CSS Test: Testing min-width:auto
blue square
blue square
blue square
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-min-width-auto-005.htm000066400000000000000000000021101455631435400264370ustar00rootroot00000000000000 CSS Flexible Box Test: Aspect ratio handling of images

Test passes if there is no red visible on the page.


litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-min-width-auto-006.htm000066400000000000000000000025551455631435400264550ustar00rootroot00000000000000 CSS Flexible Box Test: Aspect ratio handling of images

Test passes if there are a (vertically centered) 20x20 and a 60x100 green boxes enclosed on each 100x100 square.


litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-overflow-horiz-001.htm.htm000066400000000000000000000030211455631435400273520ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a horizontal flex container, with contents not overflowing
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-whitespace-handling-001a.htm000066400000000000000000000034761455631435400276640ustar00rootroot00000000000000 CSS Test: Test that anonymous flex items aren't created for pure-whitespace inline content
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-whitespace-handling-001b.htm000066400000000000000000000025551455631435400276620ustar00rootroot00000000000000 CSS Test: Test that flex items are created correctly
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-001.htm000066400000000000000000000057431455631435400262110ustar00rootroot00000000000000 CSS Test: Try various flex-flow values, with 'direction: ltr' and 'writing-mode: horizontal-tb'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-002.htm000066400000000000000000000057371455631435400262150ustar00rootroot00000000000000 CSS Test: Try various flex-flow values, with 'direction: ltr' and 'writing-mode: vertical-rl'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-003.htm000066400000000000000000000057371455631435400262160ustar00rootroot00000000000000 CSS Test: Try various flex-flow values, with 'direction: ltr' and 'writing-mode: vertical-lr'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-004.htm000066400000000000000000000057431455631435400262140ustar00rootroot00000000000000 CSS Test: Try various flex-flow values, with 'direction: rtl' and 'writing-mode: horizontal-tb'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-005.htm000066400000000000000000000057371455631435400262200ustar00rootroot00000000000000 CSS Test: Try various flex-flow values, with 'direction: rtl' and 'writing-mode: vertical-rl'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-006.htm000066400000000000000000000057371455631435400262210ustar00rootroot00000000000000 CSS Test: Try various flex-flow values, with 'direction: rtl' and 'writing-mode: vertical-lr'
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-007.htm000066400000000000000000000051351455631435400262120ustar00rootroot00000000000000 CSS Test: Verify that explicit sizes are honored on flex items whose writing-mode may differ from the flex container's writing-mode
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-008.htm000066400000000000000000000051331455631435400262110ustar00rootroot00000000000000 CSS Test: Verify that explicit sizes are honored on flex items whose writing-mode may differ from the flex container's writing-mode
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-009.htm000066400000000000000000000051331455631435400262120ustar00rootroot00000000000000 CSS Test: Verify that explicit sizes are honored on flex items whose writing-mode may differ from the flex container's writing-mode
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-010.htm000066400000000000000000000056471455631435400262140ustar00rootroot00000000000000 CSS Test: Testing a mix of flex items with various values for 'writing-mode' / 'direction' in a horizontal row-oriented flex container.
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-011.htm000066400000000000000000000056661455631435400262160ustar00rootroot00000000000000 CSS Test: Testing a mix of flex items with various values for 'writing-mode' / 'direction' in a vertical row-oriented flex container.
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-012.htm000066400000000000000000000057431455631435400262130ustar00rootroot00000000000000 CSS Test: Testing a mix of flex items with various values for 'writing-mode' / 'direction' in a vertical row-oriented flex container with 'direction' flipped.
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-013.htm000066400000000000000000000056761455631435400262210ustar00rootroot00000000000000 CSS Test: Testing a mix of flex items with various values for 'writing-mode' / 'direction' in a horizontal column-oriented flex container.
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-014.htm000066400000000000000000000056531455631435400262150ustar00rootroot00000000000000 CSS Test: Testing a mix of flex items with various values for 'writing-mode' / 'direction' in a vertical column-oriented flex container.
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-015.htm000066400000000000000000000057301455631435400262120ustar00rootroot00000000000000 CSS Test: Testing a mix of flex items with various values for 'writing-mode' / 'direction' in a vertical column-oriented flex container with 'direction' flipped.
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
p b c p e p b c p e p b c p e
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox-writing-mode-016.htm000066400000000000000000000105721455631435400262130ustar00rootroot00000000000000 CSS Test: Testing auto-sized flex containers with various 'writing-mode' values and various padding amounts on flex items.





litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_align-items-stretch-writing-modes.htm000066400000000000000000000044511455631435400320340ustar00rootroot00000000000000 CSS Test: Flexbox align-items: stretch with writing-mode vertical-lr and vertical-rl

The test passes if you see a green rectangle and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_block.htm000066400000000000000000000014361455631435400244550ustar00rootroot00000000000000 flexbox | block
FAIL
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_columns-flexitems-2.htm000066400000000000000000000013311455631435400271720ustar00rootroot00000000000000 flexbox | multicol on flexbox items

one two three four five one two three four five one two three four five

litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_columns-flexitems.htm000066400000000000000000000020071455631435400270340ustar00rootroot00000000000000 flexbox | multicol on flexbox items

one two three four five

litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rowspan-overflow-automatic.htm000066400000000000000000000026521455631435400307020ustar00rootroot00000000000000 flexbox | flexcontainers in cells with rowspan

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rowspan-overflow.htm000066400000000000000000000026121455631435400267120ustar00rootroot00000000000000 flexbox | flexcontainers in cells with rowspan

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler

filler
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rowspan.htm000066400000000000000000000026001455631435400250460ustar00rootroot00000000000000 flexbox | flexcontainers in cells with rowspan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rtl-direction.htm000066400000000000000000000023321455631435400261360ustar00rootroot00000000000000 flexbox | flex-direction: column-reverse | rtl
filler filler filler filler
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rtl-flow-reverse.htm000066400000000000000000000024401455631435400265760ustar00rootroot00000000000000 flexbox | flex-flow: column wrap-reverse | rtl
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rtl-flow.htm000066400000000000000000000023601455631435400251260ustar00rootroot00000000000000 flexbox | flex-flow: column wrap | rtl
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_rtl-order.htm000066400000000000000000000030601455631435400252700ustar00rootroot00000000000000 flexbox | flex-flow: column-reverse wrap-reverse; order | rtl
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/-flexbox_stf-table-singleline.htm000066400000000000000000000022001455631435400273610ustar00rootroot00000000000000 flexbox | singleline flexcontainer versus stf :: table

filler

filler

filler

filler

filler

-flexbox_writing_mode_vertical_lays_out_contents_from_top_to_bottom.htm000066400000000000000000000040451455631435400375120ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/test/render/flex CSS Flexbox Test: Align content flex-start with writing mode vertical-rl.

The test passes if you see green and red top, blue and yellow bottom.

litehtml-litehtml-6ca1ab0/test/render/flex/-justify-content-001.htm000066400000000000000000000037411455631435400253000ustar00rootroot00000000000000 CSS Test: A flex container with 'justify-content' property set to 'center'

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-justify-content-002.htm000066400000000000000000000036561455631435400253060ustar00rootroot00000000000000 CSS Test: A flex container with the 'justify-content' property set to 'flex-start'

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-justify-content-003.htm000066400000000000000000000035731455631435400253050ustar00rootroot00000000000000 CSS Test: A flex container with the 'justify-content' property set to 'flex-end'

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-justify-content-004.htm000066400000000000000000000040301455631435400252730ustar00rootroot00000000000000 CSS Test: A flex container with the 'justify-content' property set to 'space-between'

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-justify-content-005.htm000066400000000000000000000041561455631435400253050ustar00rootroot00000000000000 CSS Test: A flex container with the 'justify-content' property set to 'space-around'

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/-negative-flex-margins-crash.htm000066400000000000000000000017321455631435400271250ustar00rootroot00000000000000 CSS Flexbox: Crash caused by negative width in flex box
PASS if we don't assert
litehtml-litehtml-6ca1ab0/test/render/flex/-nested-orthogonal-flexbox-relayout.htm000066400000000000000000000015621455631435400305770ustar00rootroot00000000000000 CSS Flexbox: nested orthogonal children on relayout.
This text should not overflow its box
litehtml-litehtml-6ca1ab0/test/render/flex/-percentage-size-subitems-001.htm000066400000000000000000000051751455631435400270540ustar00rootroot00000000000000 CSS Flexbox Test: Percentage size on child of a flex item with margin, border, padding and scrollbar

The test passes if in the different examples you see scrollbars but there's no overflow, so you cannot actually scroll.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-fixed-min-width-3.htm000066400000000000000000000031241455631435400274070ustar00rootroot00000000000000 table is flex item

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-flex-cross-size.htm000066400000000000000000000023421455631435400273100ustar00rootroot00000000000000

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-inflexible-in-column-1.htm000066400000000000000000000025621455631435400304350ustar00rootroot00000000000000 Table as a flex item in column-oriented flex container

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-inflexible-in-column-2.htm000066400000000000000000000027541455631435400304410ustar00rootroot00000000000000 Table as a flex item in column-oriented flex container

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-inflexible-in-row-1.htm000066400000000000000000000025461455631435400277510ustar00rootroot00000000000000 Table as a flex item in row-oriented flex container

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-inflexible-in-row-2.htm000066400000000000000000000027401455631435400277460ustar00rootroot00000000000000 Table as a flex item in row-oriented flex container

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-narrow-content-2.htm000066400000000000000000000024401455631435400273710ustar00rootroot00000000000000 CSS Flexbox Test: Flex item as table with narrow content

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-percent-width-cell-001.htm000066400000000000000000000037401455631435400302460ustar00rootroot00000000000000 Flexbox Test: display:table flex items with percent-width cells and content keywords for used flex-basis
12
12
12
12
litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-specified-height.htm000066400000000000000000000026141455631435400274560ustar00rootroot00000000000000 table is flex item

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-specified-width.htm000066400000000000000000000024771455631435400273340ustar00rootroot00000000000000 table is flex item

Test passes if there is a filled green square.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-stretch-cross-size-2.htm000066400000000000000000000024301455631435400301630ustar00rootroot00000000000000

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-stretch-cross-size-5.htm000066400000000000000000000037561455631435400302020ustar00rootroot00000000000000

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/-table-as-item-stretch-cross-size.htm000066400000000000000000000022641455631435400300310ustar00rootroot00000000000000

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-htb-ltr.htm000066400000000000000000000031711455631435400261060ustar00rootroot00000000000000 Absolutely positioned child with auto position in vertical-rl ltr flexbox

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-htb-ltr.htm.png000066400000000000000000000011071455631435400266660ustar00rootroot00000000000000PNG  IHDR } PLTEE1IDATxk #0\rOc{&h|ZUYH7x(h9|~Vuzgg|qʺlx笗i>O"HogWLrE͑ELn9n=rE?݈Ǯ+MDyyn9B=nj2UdM5-{.gdUڗ\IJl]^T\":XX.| Dv^~?~Ż7"" "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "'=IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-htb-rtl.htm000066400000000000000000000031711455631435400261060ustar00rootroot00000000000000 Absolutely positioned child with auto position in vertical-rl ltr flexbox

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-htb-rtl.htm.png000066400000000000000000000011071455631435400266660ustar00rootroot00000000000000PNG  IHDR } PLTEE1IDATxk #0\rOc{&h|ZUYH7x(h9|~Vuzgg|qʺlx笗i>O"HogWLrE͑ELn9n=rE?݈Ǯ+MDyyn9B=nj2UdM5-{.gdUڗ\IJl]^T\":XX.| Dv^~?~Ż7"" "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "'=IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vlr-ltr.htm000066400000000000000000000031671455631435400261410ustar00rootroot00000000000000 Absolutely positioned child with auto position in vertical-rl ltr flexbox

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vlr-ltr.htm.png000066400000000000000000000011071455631435400267140ustar00rootroot00000000000000PNG  IHDR } PLTEE1IDATxk #0\rOc{&h|ZUYH7x(h9|~Vuzgg|qʺlx笗i>O"HogWLrE͑ELn9n=rE?݈Ǯ+MDyyn9B=nj2UdM5-{.gdUڗ\IJl]^T\":XX.| Dv^~?~Ż7"" "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "'=IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vlr-rtl.htm000066400000000000000000000031671455631435400261410ustar00rootroot00000000000000 Absolutely positioned child with auto position in vertical-rl ltr flexbox

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vlr-rtl.htm.png000066400000000000000000000011071455631435400267140ustar00rootroot00000000000000PNG  IHDR } PLTEE1IDATxk #0\rOc{&h|ZUYH7x(h9|~Vuzgg|qʺlx笗i>O"HogWLrE͑ELn9n=rE?݈Ǯ+MDyyn9B=nj2UdM5-{.gdUڗ\IJl]^T\":XX.| Dv^~?~Ż7"" "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "'=IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vrl-ltr.htm000066400000000000000000000031671455631435400261410ustar00rootroot00000000000000 Absolutely positioned child with auto position in vertical-rl ltr flexbox

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vrl-ltr.htm.png000066400000000000000000000011071455631435400267140ustar00rootroot00000000000000PNG  IHDR } PLTEE1IDATxk #0\rOc{&h|ZUYH7x(h9|~Vuzgg|qʺlx笗i>O"HogWLrE͑ELn9n=rE?݈Ǯ+MDyyn9B=nj2UdM5-{.gdUڗ\IJl]^T\":XX.| Dv^~?~Ż7"" "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "'=IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vrl-rtl.htm000066400000000000000000000031671455631435400261410ustar00rootroot00000000000000 Absolutely positioned child with auto position in vertical-rl ltr flexbox

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/abspos-autopos-vrl-rtl.htm.png000066400000000000000000000011071455631435400267140ustar00rootroot00000000000000PNG  IHDR } PLTEE1IDATxk #0\rOc{&h|ZUYH7x(h9|~Vuzgg|qʺlx笗i>O"HogWLrE͑ELn9n=rE?݈Ǯ+MDyyn9B=nj2UdM5-{.gdUڗ\IJl]^T\":XX.| Dv^~?~Ż7"" "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "'=IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-baseline.htm000066400000000000000000000022041455631435400244230ustar00rootroot00000000000000

This text

should be left aligned.

This text

should be right aligned.

litehtml-litehtml-6ca1ab0/test/render/flex/align-baseline.htm.png000066400000000000000000000012431455631435400252100ustar00rootroot00000000000000PNG  IHDR KLajIDATx=0\PrQG3 J_ \ Hh^VhD#awᯂF @ @TՖL?3"J|HuԆԵ2HsCSCB\mC1$g\f i@RDy "{NFڲ+sQz"@DSx+F'.F+ܯjP *14ȇw=$ @ @R1Dv9" tc$ّR72bY֔5ɒ3_hYĉ ~G./\j#ˎ1 .wqˮoobt|S|UH"@ @ @ ;:he7ojGnSڐVivh 24bHcy>$L!H H#WAd욹Fڲ+sQz"@DSx+F'.F+ܯjP *14ȇw=$ @ @ȿq)3e27>d.dYG:;RN)"Fk5iMmFKOBuCwBfCtA.eG+bArUDi]&:F.]]䗿zY΍] @D IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-content-006.htm000066400000000000000000000034301455631435400246200ustar00rootroot00000000000000 CSS Test: A multi-line flex container with the 'align-content' property set to 'stretch'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/align-content-006.htm.png000066400000000000000000000010041455631435400253760ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxQr q|xKݏhLiSƇi~i"B!BzjT֩n%W|8{kXbx ÐCBvHyo^Rs5>5j޼:N]eYU]~RZl/l׷/?,l\[@J}Ze>s?;z5א)'!8H/!y"CUE-ҏ5fF|<c|Rl CSS Flexible Box Test: align-content_center

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in middle left of red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/align-content_center.htm.png000066400000000000000000000034441455631435400264450ustar00rootroot00000000000000PNG  IHDR   rPLTEAi]ߟIDATx앋&EEt#pU?&kh=o i8Y!B!B!B!? /8~ڞ"o'*sA U+V/^vI$,lXnT/_A_%B>Ćcd)t~ 5ŔZ(3C-e)%RܯB~7H`PB!ηci '2m۹9ܛDM~`B6HLG~PU!gyAr @bǐPbOKvZ>WKRS˽WNuПwCk__woXLI9Ctuz7uY3H]boO!>bwvrלV}ϹƲQzҗ~$d[:!n_H yo,qԘ!ڿR%m_Pyn1)YEiKױUt;Fx';duS!\{wH[[M]$Č. x)~LBuM\ 1dk]!P^ ic_9CBF'& _jb]NסOkezGuݴkRRmBryx:bs+;!f>vn>;Cik<rIh ORmHPS3ã 2?[ !K٩ch㝪gж ه6;+Bdx2[7.C.r w4"dbPbOKvZijI&^E}Ock+В]aظCRxgeN嶔N^~'m]5w6FC6ԭ΂aR^s_Lv}/ҵX;C=NIeNJƯ<7J.I!fRsurGc6vĞIDҏqCsҍy2w4Į⦐<]!%!d'wĪ&Dk|dlЧu8]~9#Ӷ~xMHoqId\c2h}/MB>9%(BN!B!B!B珁B0( B0( B0( B0( B0( B0( aQ`7A!`PA!`P!B!k y B0( B0( B0( B0( B0( B0( B0( B0( -(( ( yf߿? y Br y?Eձi1E> mߊq@_sP˓-ȼv KNdi ,9 D%df>:d 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1׉ ;$`fYWLC}s1s Bb$歆 =X3s :d 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1_}$FAb$FAb$FAb$FAb$FAb$FAbxٌIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-content_flex-end.htm000066400000000000000000000026561455631435400261100ustar00rootroot00000000000000 CSS Flexible Box Test: align-content_flex-end

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in bottom left of red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/align-content_flex-end.htm.png000066400000000000000000000034221455631435400266630ustar00rootroot00000000000000PNG  IHDR   rPLTEAi]ߟIDATx앍*ML /WnXow\!`ߎ%ʉ!Os no O*{p$$~f/Ys{'^Hش1(_E~6JOYy;B9obRҒR'+4!ZBț+;M-i)-ͩ*ZyFkHb D )B\vp 7fe;]q?Scn4tnBv6\C_~!CB 9 B!~K)fTciC[~-%uq?ֿX}=6i\/&i qԷ!̿3ݍQ'c]A5UkncY>/ BWXߏ^ȣ}~gBژBjJHx)m{)봐 16wb 9'm޹ٓO9]LΟeoo3 n}/ qsLfx}r<~B9q%mwKy%d\*dtsrĒN\Om5W>]SRVX)?J9q[y ӭ'^]_{ͯˇ{lb;+o>yUU\YO._A.,nށ~S5_؛/o > (v5lؑBx9B{c x&v5^!$|EYR~5XPǩ[KI*~u\ TssrʷqXm_˹jy7IKS9|[;Lu+v9`XTm 8-b!fr 8]Fڢl{Qgmcnb bWc6~ߡ[ں;7BNHts] +d^2OCAY+X"rG}^&}{z>!v/sMHmwbcWrNy8mXҢ%Ur'v't1"B@!b D 1"B@!b D 1"B@!b D 1"B@!b D 1"B@!b D 1"B@!b D g|1Cq G DR!b D 1"B@އB>Ο="B@!b D 1"B@!b D 1ձ #At(36TY5dP!H 1#H 1#H 1#H 1>d 1̌ >Oe8$dނl; D%4A"Ȓ@Yr 23/AO!H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#Hu"Ab%A} y,$q7'H 13 ,$FAb5'HÚKm׉ ;$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb]Ì+DCIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-content_flex-start.htm000066400000000000000000000027221455631435400264710ustar00rootroot00000000000000 CSS Flexible Box Test: align-content_flex-start

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in upper left of red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/align-content_flex-start.htm.png000066400000000000000000000034441455631435400272560ustar00rootroot00000000000000PNG  IHDR   rPLTEAig=etIDATx앁(E *'pN"*Q@dvjA hxyB!B!B!B;+/8~Wuqfog꠿2W\Gnk_*o>W"Ƀ 퓊vQg/۔E!b $3!CD!9-Y!YJJ]BT"eRWQa !ʒvYT%?/[#i0(Be9?1H,1X4o:P3;rS`4EBB ^!_;j$u^IIUO9/ga8-C{wcEut}=yLv&yvvŤ;$,L7ӻ[9&ITBiblsWcf̻;]c:I2}6`-}tNK%ĝ )_Vȫ|vwBʘ!~R6%_P׎IYB&t*D2'DQm 9{*dKG! V݀{|5_b~LH~BtO=}>r̉!fl+$]!WBQ!CX67S=iL6r',׼#6G![t-?t4WWFikz2{r(2( O~PS3ӣ > !QK9ɅmhǛ3BlFD"k7n>!ɍV;BfNBlRLi.ץk%%Ut\cBۯsi_ 7Rl=uʩa񴼿7~wVky%nHYB:ž'I!fܐ499 _RvZL-,Lٝ.FΫ}\#!%Nw-nDlc7K=[Xz yUKsTMƍ] Vq*$a[/$nԬDs|Yh,zh\y#Sylv!kL?'}U=:A9mX_  BM!B!B!BkVm0( @(d=F?= SA!`PA!`Pև, YA!`PA!`PA!`PA!`PA!`PA!`PA!`PA!`PkB0(d1Q] "(d5B! YP"FB1: #DD~Pj~5PA!`PA!`PA!`PA!`-BoM+b֠+Ƒic X$ 1#H 1#H 1#H 1#Hy"Ab$A{,$v7'H 13Gm&$FAbn5'Heady"Ab$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb?$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb~+]Tl`IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-content_space-around.htm000066400000000000000000000031311455631435400267540ustar00rootroot00000000000000 CSS Flexible Box Test: align-content_space-around

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle.
2. the rectangle 1, 2, 3 are distributed such that the empty space between any two adjacent rectangle is the same, and the empty space of the column before the first and after the last rectangle are half the size of the other empty spaces.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/align-content_space-around.htm.png000066400000000000000000000053601455631435400275450ustar00rootroot00000000000000PNG  IHDR J&NPLTEAi]ߟ IDATx d wSƘ3TLTDQ\       뢤qbBG۳@bPRJՋJe0xzƦ펌BN>OmiߘC@,Y KWߐYL5 @>@|Hic,o]R"I/BEr&q& N)&G?@q# l {k7qXN QM ;Df~#>|HxHx*#ms .L䟖J;MՒ=پΗt~ru46.aos'^7$%f[lInb毷gdmڍ| 2'4@H=j-^Ho8)\jԟ } Ji u#憜B`Ȧ_q fo7 x7֒q Ym@~.$[Gyd]r dOW-[S 1NcZcyu|W?RB7{q[3RJ\ؤ2i{y-۷]$Ϸ0̽ŏW  跫4h4AE+bL>! >+ 5 F灄;@~{oP*1NiSOx-IM aSxv@V۸HR67h:6Fԓ'yS|æbCc vmg@rEFq8wl~7kn h\ 1vYK1o;N];'[6/^|G})=5~g}|\k~b?uN;D7ᓛ= o@~h7}2//}d&N,g: 4E \wlKhH tC?! lC}i\Bth?_֫}ؖ[|>_}>I^~'uM~ɕDbcW#M LCmKr؞jSvX4kgzw;l#_&fͯZh"=鴓b|>{C:( <̷3 2~H<$@\X qqHfu7Dh[T뫛Kk0,DRG@g8t=ڻdoOⱾ,iiTu9ؾ -솴s8ˬM*c7s_Rπ!_$_'Rnhߡ7M 42WV3k?UiQryu~k)Q. )qx ']uMz!_\Pr?  A_pS<66A iP̞ޏ?Ɇ@ M6scf 2 RDB7;_lyf2}I<?MIiŧ5 |"C$y_7KIrPbӞx?k_ƴO8vXc5: }H ([t$Rb6y|8I "%@m;7Rvޞ}Dc@/bNiOTe5ݐvlV~@R%/ї!H?3@ԏ"cy_-C )/O&iJIk ڷQbbTTbi} bĕx b%AAAAAA}wROg         oOęę,e@^q ,ggggggggg<q<#q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&q&qo{ul0EQod l[YY  :4!H 1#H 1!H 1#H 1#H 1#H 1#H 1ļv!H 1k-A} >ޟ $ 2OKdn D!2d7A"ȐSCiAf#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1!H 1#H 1#H 1#H 1#H 1;$FS >~ޟ $FsAYH 1\j2Oku2d 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1/My#H 1#H 12Ue6" ؼIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-content_space-between.htm000066400000000000000000000031331455631435400271170ustar00rootroot00000000000000 CSS Flexible Box Test: align-content_space-between

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle.
2. No gap between the top of red rectangle and the top of rectangle 1, no gap between the bottom of red rectangle and the bottom of rectangle 3 too, and rectangle 2 is distributed so that the empty space between rectangle 1 and rectangle 3 is the same.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/align-content_space-between.htm.png000066400000000000000000000050011455631435400276760ustar00rootroot00000000000000PNG  IHDR @5(PLTEAig=et IDATx앉( M(Ss[.㫭y9%ψ      .r* ƺٷ2"@9:!ĸ~~KЎ6W mS|(XyY!m 7fzHH*KHJW(ܐ,t ,!%6%צeRq@>-T$ee hJƖ6 ޏvl׆!i6-Uv;)>*: d#A$&@ %  *=%pɕRC.&~_.IUOٯӘ'q;va{]>,籇I[l~J8DNnSm k1;6ϞO 8= R1c VY+6$'%0_PZ蔬i 96웁PuC怐0Ru "{+sd"|9ǁp6@Dd? $<+ 7d|Z&NƈطCq {x뢝e=K."cKMq;}7kunYwp|uOr_ŎV w KK87?"cT$x{fj8K7@Q9ӻ2I`.\}MV5~ȕ|]7f' ~/'K֡i rh7v~/B>j䈽$ߺ^8@>} |?T_)I/fs&/+7^W[dr~yd1>w}<>}C6U+P'}ngq9ȃ8 j 1$FAb$FAb$FAb$FAb$FAb$FAb^'$F[dݧd 1< y Ndi ,9 D%4A܂̏ ^'$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$ί!H 1#H 1#H 1#H 1#H 1#H 1sCAbn fFu y A #H=%6 $FG A sa%ȶD#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1|_Ŗ[IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-content_stretch.htm000066400000000000000000000030261455631435400260520ustar00rootroot00000000000000 CSS Flexible Box Test: align-content_stretch

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle.
2. No gap between the top of red rectangle and the top of rectangle 1, and rectangle 1 , 2, 3 are distributed so that the empty space in the column between 1 , 2 , 3 is the same.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/align-content_stretch.htm.png000066400000000000000000000043461455631435400266430ustar00rootroot00000000000000PNG  IHDR :+PLTEAig=etIDATx* Ela@ f޻E4aOix{{?Rk{V=U!Wx!䫖9^^B%܈_X.H_>ǃ"܋ԯK<ĎcFBCBRYBPr?|C,dQ+(yY!8C/l*K*s,U;!۠"B!NA\h;ucsώa/w5N?S1;}@:B%!tTGuy щٗ'JSjsrI'9S|w}F")t[ cK{ E0xiB$8~Mu!B qҎ}K?- _<ﴐ%:Mu!yQB Jϵ1:%봐.[pC aaE4ׅ_w WJƔ6!.DmWHPZ$]gCy#r UKd!uסƆw~[uJ5p^RX$^JH';=7ܲ=;NwJlsπ!2wKBttaGslސ{S9r d Ƈ瓖(}(=' b]c'Bt$vdKpͩK{ J-Ll,k]𨉑ߛ9Q/lo"Fxɉ_5kV~-5mTǪ>]2U<^Wwڸ}i>/]wٜS/Dw N1Bx!$lAhR}Wĉܮu$$}~,B6JbA (Yƀc@1 b 1B!>!u!!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!{kc@1 b 1B!ƀc@1 b 1B!W^8aA VG } >6$# Ab9%Xk 2S> $FG. $o2OAb9:f!1s!5j޼:N]eYU]~RZl/l׷/?,l\[@J}Ze>s?;z5א)'!8H/!y"CUE-ҏ5fF|<c|Rl CSS Test: A flex container with the 'align-items' property set to 'stretch'

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/align-items-005.htm.png000066400000000000000000000010041455631435400250440ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxQr q|xKݏhLiSƇi~i"B!BzjT֩n%W|8{kXbx ÐCBvHyo^Rs5>5j޼:N]eYU]~RZl/l׷/?,l\[@J}Ze>s?;z5א)'!8H/!y"CUE-ҏ5fF|<c|Rl CSS Test: A flex container with 'column' direction and 'align-items' property set to 'flex-start'

Test passes if there is no red visible on the page.

XXXX
litehtml-litehtml-6ca1ab0/test/render/flex/align-items-006.htm.png000066400000000000000000000010041455631435400250450ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxQr q|xKݏhLiSƇi~i"B!BzjT֩n%W|8{kXbx ÐCBvHyo^Rs5>5j޼:N]eYU]~RZl/l׷/?,l\[@J}Ze>s?;z5א)'!8H/!y"CUE-ҏ5fF|<c|Rl CSS Flexbox Test: align-self - flex-start

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-001.htm.png000066400000000000000000000011011455631435400246460ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-002.htm000066400000000000000000000032401455631435400240720ustar00rootroot00000000000000 CSS Flexbox Test: align-self - flex-end

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-002.htm.png000066400000000000000000000011011455631435400246470ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-003.htm000066400000000000000000000034351455631435400241010ustar00rootroot00000000000000 CSS Flexbox Test: align-self - center

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-003.htm.png000066400000000000000000000011011455631435400246500ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-004.htm000066400000000000000000000031171455631435400240770ustar00rootroot00000000000000 CSS Flexbox Test: align-self - stretch

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-004.htm.png000066400000000000000000000011011455631435400246510ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-005.htm000066400000000000000000000033161455631435400241010ustar00rootroot00000000000000 CSS Flexbox Test: align-self - stretch (height: number)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-005.htm.png000066400000000000000000000011011455631435400246520ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-006.htm000066400000000000000000000033331455631435400241010ustar00rootroot00000000000000 CSS Flexbox Test: align-self - baseline

Test passes if the underline of all 'a' characters within black border box is horizontal and no breaking.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-006.htm.png000066400000000000000000000020021455631435400246540ustar00rootroot00000000000000PNG  IHDR L PLTESSFIDATxK8 fߚըNf9+dQPRr@vQS]%, @!B! Uo1 72Ӗdu%{>j#V)Ѭ%.VwhMi;䱈V|'RDeI"Vȓ\r-tKx\gDGIĒ|qn5ivWZ "F.}@˟w"]^gD>w9މ [ o"[v>ęt B"C."4na-j m8^h+vڂFմ*"AnF)|-~O5ẌN3:xH)iMȺGElEv6ditUYr2ʩIK2R=S+ag[#oҙj ,F>.r5k_,}a(BKSvBG3|7lz|Ӥ8_)U}tUR[yyyKD!<Ԓˊu֋tB!ByPs*8"ޠ7(cy CSS Flexbox Test: align-self - auto and align-items - flex-start

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-007.htm.png000066400000000000000000000011011455631435400246540ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-008.htm000066400000000000000000000033441455631435400241050ustar00rootroot00000000000000 CSS Flexbox Test: align-self - auto and align-items - flex-end

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-008.htm.png000066400000000000000000000011011455631435400246550ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-009.htm000066400000000000000000000035471455631435400241130ustar00rootroot00000000000000 CSS Flexbox Test: align-self - auto and align-items - center

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-009.htm.png000066400000000000000000000011011455631435400246560ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-010.htm000066400000000000000000000034471455631435400241020ustar00rootroot00000000000000 CSS Flexbox Test: align-self - auto and align-items - baseline

Test passes if the underline of all 'a' characters within black border box is horizontal and no breaking.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-010.htm.png000066400000000000000000000020021455631435400246470ustar00rootroot00000000000000PNG  IHDR L PLTESSFIDATxK8 fߚըNf9+dQPRr@vQS]%, @!B! Uo1 72Ӗdu%{>j#V)Ѭ%.VwhMi;䱈V|'RDeI"Vȓ\r-tKx\gDGIĒ|qn5ivWZ "F.}@˟w"]^gD>w9މ [ o"[v>ęt B"C."4na-j m8^h+vڂFմ*"AnF)|-~O5ẌN3:xH)iMȺGElEv6ditUYr2ʩIK2R=S+ag[#oҙj ,F>.r5k_,}a(BKSvBG3|7lz|Ӥ8_)U}tUR[yyyKD!<Ԓˊu֋tB!ByPs*8"ޠ7(cy CSS Flexbox Test: align-self - auto and align-items - stretch

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-011.htm.png000066400000000000000000000011011455631435400246470ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-012.htm000066400000000000000000000030571455631435400241010ustar00rootroot00000000000000 CSS Flexbox Test: align-self - auto (initial value)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-012.htm.png000066400000000000000000000011011455631435400246500ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/align-self-013.htm000066400000000000000000000032751455631435400241040ustar00rootroot00000000000000 CSS Flexbox Test: align-self - invalid if applied to flex container

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/align-self-013.htm.png000066400000000000000000000011011455631435400246510ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/anonymous-block.htm000066400000000000000000000015501455631435400246740ustar00rootroot00000000000000 CSS Flexbox: anonymous block

This tests that text nodes that have a flexbox as a parent are wrapped in anonymous blocks.

This text should be visible.
litehtml-litehtml-6ca1ab0/test/render/flex/anonymous-block.htm.png000066400000000000000000000010641455631435400254570ustar00rootroot00000000000000PNG  IHDR H&DoIDATx1n0P s!j:կlGRgP3ɂ ~/c"D&2o\4R{{{%#xKCR >łpSGnn.2a"Q#.F,5|a$h}lv$GQ>iu2A*Ύki뙷jp/oH0G[܁eT~{ /H8"bK7ؐ|Ad@t[MkmCk7CK*ѽ-mNPvD;'읔wBbGڶ|sGdL6Clܔ`=GV?u?]AHZMC;]kLxn<.+O/o8c"D&2f.V~g|BCpE$xk!JK+ /nV G#%&,~e(R<);)Q"58;2|Ud ,tUg/D&2xV)%IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/auto-height-column-with-border-and-padding.htm000066400000000000000000000024071455631435400316570ustar00rootroot00000000000000 CSS Flexbox: auto-height with border and padding Tests that auto-height column flexboxes with border and padding correctly size their height to their content.
litehtml-litehtml-6ca1ab0/test/render/flex/auto-height-column-with-border-and-padding.htm.png000066400000000000000000000014741455631435400324450ustar00rootroot00000000000000PNG  IHDR vM! PLTErE,IDATx]* x rg3vI']]礂AIr  \*EڨU,"n_)[6Tkn~ i^.w{}&q&=rI!!dY~r1l=i΅|̈a&JLqfiZ䞌 LJä3yC|(m,4fu%nB^)W{b?G,5fllg;C!eb1ޜ HIQ>vZF˥=NZ6ݙ=)ޑp_zri Y?V)yZh)  r=6HAƒ|M|jH%[{0 o7ȯw?8@g7ěM&x@ o7ěM&x@ o7ěM&x@ tBppěM 7ě]n 4< ^IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/auto-height-with-flex.htm000066400000000000000000000017221455631435400257000ustar00rootroot00000000000000
Header
Flexible content
litehtml-litehtml-6ca1ab0/test/render/flex/auto-height-with-flex.htm.png000066400000000000000000000005311455631435400264600ustar00rootroot00000000000000PNG  IHDR 2W PLTE  IDATx! E]EDzX)#rkL63D ?0c\>q~e4P-*hHb+щ;""сFErP4j"VAZS+:И"Fyj*)BΫN1B6WSɵ쥯V)?#T,ܪ2_uD&Bˊ6\$%u9wGZP}GvGVIէMSˤ1 i" >I vг&yIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/contain-layout-baseline-002.htm.png000066400000000000000000000011011455631435400273540ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/css-box-justify-content.htm000066400000000000000000000032421455631435400262750ustar00rootroot00000000000000 flexbox |css-box-justify-content

This test passes if the DIV5's position in the end and the div is Horizontal layout

DIV1
 
DIV2
 
DIV3
 
DIV4
 
DIV5
litehtml-litehtml-6ca1ab0/test/render/flex/css-box-justify-content.htm.png000066400000000000000000000022741455631435400270640ustar00rootroot00000000000000PNG  IHDR ` !PLTEPn׬P2P)wJ{n,&VIDATx=8F8t f*8qȱ1ЉD\ɢJU-N{݂-*j& VLBch85dWB]'MWYVɽvU|f:O~bܽ3N?DNT5 pzk AḆd^OBE/ww ڨ-\?oNHj8Goin5WDN&~msUK9ʰ#3&@- /J=SF!Q0稔a?1hJp>~a/@90VOʝ2!.c>(8sXCv3pjRV  \)!LrsKPŌYPzr/ d~Fak'6ϐ.&`u *!ɽ '%oK _vc!;0BFso"ėˑW<ڕ/Je=sQgT}27S$q]D%۫?6 CSS Test: An element with the 'display' property set to 'flex' establishes a new block-level flex container

Test passes if there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/display-flex-001.htm.png000066400000000000000000000010041455631435400252300ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxQr q|xKݏhLiSƇi~i"B!BzjT֩n%W|8{kXbx ÐCBvHyo^Rs5>5j޼:N]eYU]~RZl/l׷/?,l\[@J}Ze>s?;z5א)'!8H/!y"CUE-ҏ5fF|<c|Rl CSS Test: The 'flex' shorthand adjusting the 'flex-grow' sub-property

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-001.htm.png000066400000000000000000000017401455631435400235740ustar00rootroot00000000000000PNG  IHDR  PLTEKaxIDATxQ, ~\B/T(N;P5gPI EQEQEQE5ka q"Ӧ*ԼhA,~iOԞ"HA*WA,V@x sg|eE)[1D4hs\ $0n^6V|%>t-U+$1. kKڥVTЇJnw3:/ؑR=d `ȞSsHѭr$nm(^ɞomy}k8m˹G dIc7N;@&K/lz#%xoiz}{.-͵j=֩w+ 8@7b DK9XGf/*Z/3ɢ٫S8h sl[yޞg'Ʈ{tm?z'I q򻧨煷tīt7r35]o|p|HmuM? NiqQ~~IBa}Ǔ=BjaI`mmVE@xtKK{j|n+9|͗t;RLEȓ>FpOR1]U+ק;XRݑi#>E\ ;%h«F(cYP"|*~cW ^kYV2- +ois3@~7xREQEQEQW+"AB !AB !AB !AB !AB !AB !AB !AB !AB !AB|8EQE}[}`d IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-002.htm000066400000000000000000000043301455631435400230100ustar00rootroot00000000000000 CSS Test: The 'flex' shorthand adjusting the 'flex-shrink' sub-property

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-002.htm.png000066400000000000000000000017401455631435400235750ustar00rootroot00000000000000PNG  IHDR  PLTEKaxIDATxQ, ~\B/T(N;P5gPI EQEQEQE5ka q"Ӧ*ԼhA,~iOԞ"HA*WA,V@x sg|eE)[1D4hs\ $0n^6V|%>t-U+$1. kKڥVTЇJnw3:/ؑR=d `ȞSsHѭr$nm(^ɞomy}k8m˹G dIc7N;@&K/lz#%xoiz}{.-͵j=֩w+ 8@7b DK9XGf/*Z/3ɢ٫S8h sl[yޞg'Ʈ{tm?z'I q򻧨煷tīt7r35]o|p|HmuM? NiqQ~~IBa}Ǔ=BjaI`mmVE@xtKK{j|n+9|͗t;RLEȓ>FpOR1]U+ק;XRݑi#>E\ ;%h«F(cYP"|*~cW ^kYV2- +ois3@~7xREQEQEQW+"AB !AB !AB !AB !AB !AB !AB !AB !AB !AB|8EQE}[}`d IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-003.htm000066400000000000000000000044341455631435400230160ustar00rootroot00000000000000 CSS Test: Comparing two different elements using different values for the 'flex-grow' sub-property on the 'flex' shorthand

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-003.htm.png000066400000000000000000000017401455631435400235760ustar00rootroot00000000000000PNG  IHDR  PLTEKaxIDATxQ, ~\B/T(N;P5gPI EQEQEQE5ka q"Ӧ*ԼhA,~iOԞ"HA*WA,V@x sg|eE)[1D4hs\ $0n^6V|%>t-U+$1. kKڥVTЇJnw3:/ؑR=d `ȞSsHѭr$nm(^ɞomy}k8m˹G dIc7N;@&K/lz#%xoiz}{.-͵j=֩w+ 8@7b DK9XGf/*Z/3ɢ٫S8h sl[yޞg'Ʈ{tm?z'I q򻧨煷tīt7r35]o|p|HmuM? NiqQ~~IBa}Ǔ=BjaI`mmVE@xtKK{j|n+9|͗t;RLEȓ>FpOR1]U+ק;XRݑi#>E\ ;%h«F(cYP"|*~cW ^kYV2- +ois3@~7xREQEQEQW+"AB !AB !AB !AB !AB !AB !AB !AB !AB !AB|8EQE}[}`d IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-004.htm000066400000000000000000000044411455631435400230150ustar00rootroot00000000000000 CSS Test: Comparing two different elements using different values for the 'flex-shrink' sub-property on the 'flex' shorthand

Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-004.htm.png000066400000000000000000000017401455631435400235770ustar00rootroot00000000000000PNG  IHDR  PLTEKaxIDATxQ, ~\B/T(N;P5gPI EQEQEQE5ka q"Ӧ*ԼhA,~iOԞ"HA*WA,V@x sg|eE)[1D4hs\ $0n^6V|%>t-U+$1. kKڥVTЇJnw3:/ؑR=d `ȞSsHѭr$nm(^ɞomy}k8m˹G dIc7N;@&K/lz#%xoiz}{.-͵j=֩w+ 8@7b DK9XGf/*Z/3ɢ٫S8h sl[yޞg'Ʈ{tm?z'I q򻧨煷tīt7r35]o|p|HmuM? NiqQ~~IBa}Ǔ=BjaI`mmVE@xtKK{j|n+9|͗t;RLEȓ>FpOR1]U+ק;XRݑi#>E\ ;%h«F(cYP"|*~cW ^kYV2- +ois3@~7xREQEQEQW+"AB !AB !AB !AB !AB !AB !AB !AB !AB !AB|8EQE}[}`d IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-center.htm000066400000000000000000000026741455631435400265400ustar00rootroot00000000000000 CSS Flexible Box Test: align-content property - center

The test passed if you see a centered 2*2 table.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-center.htm.png000066400000000000000000000014031455631435400273100ustar00rootroot00000000000000PNG  IHDR A1 PLTE'1IDATxэ*@LH֑) R,|Q% vٌl+/\&}WwR㮝_LHQqSqN/bOٕ%W5r?֊WI2)!eu0 I5!f;RUy-k[J9{/c"E휈n˸k[I*>R6&86Jt[UNEd;yLq*׃HNQD"zdP}'wȆKDTiTs\R2"2ְkVn|btľ U|q ʷ EdȦ6xve̳D?09$'"kb_ȥy"'"k:U"Z]fwGp~ EB".x=';"vُ)څXԴ),/j],CDADADADYDADADADADADAWi>I.Cd KBǙ%"DtS^MNu1P#>;]Oƕ E""fWڅuib A+!" " " "`W CSS Flexible Box Test: align-content property - flex-end

The test passed if you see a 2*2 table and all the cells are at the bottom of container.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-end.htm.png000066400000000000000000000020321455631435400265750ustar00rootroot00000000000000PNG  IHDR "|I^ PLTE'1IDATxA0q#:8Or)"=GWsHmf ~~@h2O:$08aB!B!dLd\cMq_'F{V+r,fVeUHvZҖn D+6վXY rf: p!5[VVÒ2eieҾIM:jrTzl{mqj2 nyFJ҄u]Zrg`ƻ7#iFb3iaF2#|*(IHUAΆu31WHURի*Yid &L88=DZEL"x6#zK+.Sy7vjƳ:#C7MuEiR v>sC҇]tL 6M!vk _A[6,Md³:=u?j+۸Ūg•}1 ?T3]J܋Ѷmc 9 7%5"_ظo\`/yjHB!By4~m @ @ @ @ @ @ @ @ @ @ @O!o~9 SbA!ny ) ?tƙ6_˫͝%DV{Vg/'B!w5o@[}e>g;, 9=g$ @ @d;Ȗ @ @ @yț_0Ȕv@\01֏ rۼ?tƙe9wygz0#Z9HcntIOyv1ZޛBr_v@ @ [ @ @RlUB!B{LIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-space-around.htm000066400000000000000000000030031455631435400276240ustar00rootroot00000000000000 CSS Flexible Box Test: align-content property - space-around

The test passed if you see a 2*2 table and all the cells are at the bottom of container.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-space-around.htm.png000066400000000000000000000020321455631435400304100ustar00rootroot00000000000000PNG  IHDR "|I^ PLTE'1IDATxQn:q#s^`=\ 6qWn`1O]@"y7}<>>@t?lC!B! iҘ_YYk).ӫb"h4rB*.KWR=@ xhe- O/Hvi,9Vu3W<ʂ-++N~I2hi&]UYvcwJ*K=^8|V5\7?#_niY|.-9O3W]}FbM8#z]j~٤4e?#c [wou$ rg\:ؾș;EH_^4L'|t"Ui"}Cw~ @ A  @ @ @ @ @ @ @ @2@|Aid B8őwސ;@ ׼ͻ3CϝicBpj0#ηn a$VA e7w Kw~!a>/v@ @ [ @ @ @ @928 B! >h{|IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-space-between.htm000066400000000000000000000030021455631435400277640ustar00rootroot00000000000000 CSS Flexible Box Test: align-content property - space-between

The test passed if you see a 2*2 table and all the cells are spaced equally apart.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-space-between.htm.png000066400000000000000000000020261455631435400305540ustar00rootroot00000000000000PNG  IHDR "|I^ PLTE'1IDATxm:q%0ĭm`U 0&+`#)?$A4c!B!6=w)7{r5cz?Zx{]  )dsI7 -c Z[ w{YZl2l)SV nU{V{E{qh(RGWfOZRkzջ[.=rn-yWiЦݬԦÛΔ݊uYқ/o+s orֺ{3{d^6ѵ_Ad\# z]ۓT΂xBƧo'- -DZZNVX=poEr{=oM#ݺu0;sEt:i9I^7t o|Xhj"Np"|) Ϻ[,SiO3L/]MlyM^wJZS/|H|ȩˮ6 CNE(jSBҊydEP.ukIzH= R2?åةu>S+F^HN}B @ @d9Ȓ @ ~B!B>=臊 CSS Flexible Box Test: align-content property - flex-start

The test passed if you see a 2*2 table and all the cells are at the top of the container.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-align-content-start.htm.png000066400000000000000000000020411455631435400271640ustar00rootroot00000000000000PNG  IHDR "|I^ PLTE'1IDATxэ:qGϼ$@ Rĭ6pا)i"yrH^sh& 0;/6B!B!}f|N\Ϫ=Koǻ~+UR82[\Fl?S'=}aɮ \A2 VԾ 2l_{ \V]zgREeZ+ /VWmڵK/gT}K uU{[kz[.=n[K tUξ#&בzyEVu%]rXqegDlZ&wygWwUWYCj='uI[T lPa zn-ݦp65nTĊ_uMgiR ~rí/m_ 6LH1, dJϞJϏN =tgV}G/L7]]aSE>K/蹔66_AH#lӿ']bv?˽ \x/B!By8Dz @ @|t"2n6$rܽ$䐟 !o.hV /gB!m -o@bz dߑStfqAϬa߮Ȍv@ @ K @ @ @ q<$kcܦ N!3@ @y nrC޺&^)$HF'V 4n 8 WigAZ @ewm8m:tj 9h @ @Yd @ @ @ @ @ @ @ @ @ @R/]B!B\nIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-base.htm000066400000000000000000000023061455631435400234220ustar00rootroot00000000000000 CSS Flexible Box Test: display proprety - flex

The test passed if you can't find red color.

Hello
litehtml-litehtml-6ca1ab0/test/render/flex/flex-base.htm.png000066400000000000000000000011121455631435400241770ustar00rootroot00000000000000PNG  IHDR ĎA PLTEE1IDATxm0q }< 2M/:XS=ҲH (2ա_E3z;rtK~چļ~*A1 "ӫagblB=W![@H[:N_~cF3_Y_q/|4扤X;}|W?oscڄoC: ֐x e19P}.[h 'b]X'R״.C#?>#8N7V'Qzvr-=>Υf$Q+IHWEwc/ObbqyY-BB<#įk; CSS Flexbox Test: flex-basis - positive number

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-001.htm.png000066400000000000000000000011011455631435400246620ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-002.htm000066400000000000000000000032441455631435400241120ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - positive number

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-002.htm.png000066400000000000000000000011011455631435400246630ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-003.htm000066400000000000000000000031721455631435400241130ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - negative number(width not specified)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-003.htm.png000066400000000000000000000011011455631435400246640ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-004.htm000066400000000000000000000032431455631435400241130ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - negative number(width specified)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-004.htm.png000066400000000000000000000011011455631435400246650ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-005.htm000066400000000000000000000025521455631435400241160ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - 0

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-005.htm.png000066400000000000000000000011011455631435400246660ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-006.htm000066400000000000000000000025551455631435400241220ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - 0%

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-006.htm.png000066400000000000000000000011011455631435400246670ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-007.htm000066400000000000000000000027461455631435400241250ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - auto

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-007.htm.png000066400000000000000000000011011455631435400246700ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-008.htm000066400000000000000000000027321455631435400241210ustar00rootroot00000000000000 CSS Flexbox Test: flex-basis - 50%

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-008.htm.png000066400000000000000000000011011455631435400246710ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-010.htm000066400000000000000000000023601455631435400241070ustar00rootroot00000000000000 CSS Flexbox Test: Indefinite % flex-basis should cause height to be ignored

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-010.htm.png000066400000000000000000000011011455631435400246620ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-011.htm000066400000000000000000000024101455631435400241040ustar00rootroot00000000000000 CSS Flexbox Test: % flex-basis should not cause engines to treat items as percentage sized

Test PASS if there are two boxes with blue borders vertically stretched to fit their contents.

AAA
BBB
litehtml-litehtml-6ca1ab0/test/render/flex/flex-basis-011.htm.png000066400000000000000000000014251455631435400246740ustar00rootroot00000000000000PNG  IHDR { PLTESSFIDATxK aG Up Y産8~$L*\[`}FV:H+OzXZ>DS;obsys?gGOse-ޮ"kl~Ǝ,~&B69D"=Hkg9|#Tj^,kb)~9';OkImFyFQbW$O(U+Zfʸ΁ ߑ_ro Rywegv/C݇Wuv]`n"\UYJ!u)}Z"YxsVS3˒h&ry"Rؒ(&kEELZڊԒCҰZtQK|Irˎse]ሇ"JDHW?캖~3׳<;ro6HQ$^#ɎH~!))B"7DVdݔ[nSL>vRܛtV"XDZY@x<{ w>ϒQb[qB7iueȚ=׮/Ac#iȖCp27zvC?g@DU'>fG aD>t x"ހ7 x"ހ7 x"޸)׳Ӏ05W@0"Fo #2#Do@Do@Do@Mp"3IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-box-wrap.htm000066400000000000000000000031131455631435400242440ustar00rootroot00000000000000 CSS Flexbox Test: flex-wrap: wrap

There should be a green block with no red.

  • width: 120px
  • width: 120px
litehtml-litehtml-6ca1ab0/test/render/flex/flex-box-wrap.htm.png000066400000000000000000000015661455631435400250410ustar00rootroot00000000000000PNG  IHDR dH PLTEE1(IDATxݍ:Gqx2R]B;CRݶ2 si#y&λYGχqJ!ϐېC|tBBwԧ?zt].$Q+R! >#6 PB5L[k}Z!DVBH}!D !jQCB5!D !jQCB5!D !jQCB5!D !jQCB5!D !jQCB5 M=8o=}`1IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-container-margin.htm000066400000000000000000000023571455631435400257530ustar00rootroot00000000000000 CSS Test: flex-container-margin-not-collapse-with-content-margin
litehtml-litehtml-6ca1ab0/test/render/flex/flex-container-margin.htm.png000066400000000000000000000003371455631435400265320ustar00rootroot00000000000000PNG  IHDR "D PLTE333ܓIDATxϱ @ k#J2؀ƫ7e$I$IR@jR H-Z @jm gyd dd @jR H-Z vH$IV74-;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-001-visual.htm000066400000000000000000000024341455631435400275640ustar00rootroot00000000000000 CSS Flexible Box Test: flex-direction_column

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle and no gap between them.
2. They are all appear in upper left of the red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-001-visual.htm.png000066400000000000000000000034221455631435400303450ustar00rootroot00000000000000PNG  IHDR   rPLTEAig=etIDATx (@s+ 6E 1MߋhH>Ot$1vt1$^=ￗ`vz3Gio/jR/?ʘ;p"icvǬ~R.jMY!l 1 i Rrj I]-G!ü+;Ci)=Ke)*J}K%B23 .BeXVH\DVeFcw승R5ad`7 6HLE|e!"!!O^!_!v I)fiӡ~-%u|}7s;\t[x1#}2uQmԵ=704[}s.Mxbi;鄘ism] ^|w}s9=I˾rrQ˥.鯄NHҾBmGzmWBZ+BIH8KH۔|ڄev+)k 16 "6o y*OTHIBwOȼ[߅{>򇄘OZ^a!/ϧX yΉOB&|)? >r Y:99b͉ms\Nu+s}ũ)+,H}~z'!%Օyx:έ4GFk>^?( y(2x@ΘG8KiɄ 9{rd}64l=$w jJpľb=2u ' 6P-$ 8X$$%)҇oK7%Zư1km}r%<fH&o\iMܟ}iSxM-ۘ"ܷ(K?;}]2}i7 6ZۿGBSSK72VB^7ㅐܮK\Z5!߃i'H{n1Ot_h5!WoQZgUȝ`60rW;"owFIr1yh{{vM]ѶPғs &rnwγ1W!O}oB\)b?5 8!ΰ!cg qBg qBa} r~@5 qBg qBg qBg qBg qBg qBg qBg qBg _#r qBaB.g6߯!g EA3:!򅐫\ "F!1: AE!" !W5!׀g qBg qBg qBg qBq!WǶ1k`\^(4$_CAb$FAb$FAb$FAb$d 1\̌ >~ $Fk#6#H 1_5'Head۹#Ab$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAbwA H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1#{D= IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-reverse-001-visual.htm000066400000000000000000000025701455631435400312360ustar00rootroot00000000000000 CSS Flexible Box Test: flex-direction_column-reverse

Test passes if:
1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in bottom left of red rectangle and from top to bottom of the column: 3, 2, 1.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-reverse-001-visual.htm.png000066400000000000000000000037501455631435400320220ustar00rootroot00000000000000PNG  IHDR 0PLTEAi)IDATxr( d{n˿@@@L7}S'auQ* u?o{1boWAf 9b\r?ًb=Cxd=PO"&ɛ[Ʃ4aĹ1X9&sL6לǒQm\mK?9-3B~J![zGB!ܾb7%0_PzMHYU'dMڼ }?^~BpSBܷ ;- s= C!"6IB¥R>s Q!]Ŧ7חCݵq }yE9RiP*o]{/$so2SǞ]_~^&Bxy= Fg'<™]*<B ^3UI.lv@9R.}IFWmF2gLir To82ޔ(#e=CwR/PvB8B2S!pJ<, GB\:g8CVDr?]Xk- / Q(B!ʀe@2 D Q(B!ʀe@2 D Q(B!ʀe@2 D Q(B!ʀe@2 D Q(B!ʀe@2 D Q(B!ʀe@2 D QP@D:?yQFuo@@2 DR N2 D(C$,"!S^aa =xoeh@\9˧#H 1#H 1#H 1#H 1#H 1#H 1#H 1#H 1ύ ;$H03+Y&H 1\}|Gm6A"Ȓ@Yr K 3ds#Ab$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb7$FH_s b$FAb$FAb3{CAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$F6KlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-reverse-002-visual.htm000066400000000000000000000027121455631435400312350ustar00rootroot00000000000000 CSS Test: flex-direction: column-reverse swaps main start and end directions

Test passes if both the two columns below are identical.

ABC
CBA
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-reverse-002-visual.htm.png000066400000000000000000000006261455631435400320220ustar00rootroot00000000000000PNG  IHDR pm)]IDATxOn 8;Bեl9^ ^qV!$7U(uQbÀ0A"D!$+%rynj#6Rz Rnr?_"^#ilVG607+Y#Y nN:F +| Loox ]~D&劈"fvH!H @RCЋHmK*uB~'HKguͳFAe( _YY'b>aM>ҳ8A"Dy @"tBEr2Ax&O 9AiqnGCS]C. B"D GRP`IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-reverse.htm000066400000000000000000000032721455631435400274370ustar00rootroot00000000000000 CSS Flexible Box Test: flex-direction proprety - column-reverse

The test passed if you see all the cells are arraged vertically and reversed.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column-reverse.htm.png000066400000000000000000000020211455631435400302110ustar00rootroot00000000000000PNG  IHDR {[ PLTE'1IDATxM8"L%${ ^M-)F^&W@^csH-E!B!LXE;*ڮ̭~z+SGn+~O"9]߲"7#buW#mg|n;);bu-QHN0r7$c|);(#ķ3?ߑV߶{ŧxGKivޑmZZVll羱h H~?i{q|%ҙO",D䯉"9+59#"VqKE[s-"Q;ct17/*ʈ'=Y3#mE|D]$=+EIR$jy/O̯iYogH3/T"r V`Y-jV:nS%IQH&S[ '#˺.4d'#٥zOUEѷ?x n}}B!BȳDxA"hP A4(F"CX꥾{WȾg]fl Ώ}_HDQT)Vx!,CHP A4(EРA"hP A4(EРAB!,sxRNd߻6qŞ"@"]36ǍS^.wć(m"G<[dPZCX"yw¡A"hP A4(EРA"hP A4(F"CX꥾E(KFhUH@W3*DُjDjRW)B"C4(EРA"hP A4(EРA"hP EK}?6c_ȾG$T!kEh+GHDT" CSS Flexible Box Test: flex-direction proprety - column

The test passed if you see all the cells are arraged vertically.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-column.htm.png000066400000000000000000000017241455631435400265510ustar00rootroot00000000000000PNG  IHDR {[ PLTE'1IDATxQn8q#g^%RYҬf @J$'/nRPr?R I_c|c1c16eI?ǹF~ߺn|s5I|Vݳf$|xo@>򅳿c]|ţ,3MkLL['bMZFeDhK^zy7Iv?mfcH#7ƤWWKK˧iT5񘦖Vs8_6--  mQD~x 3C,!e&-!2*g'>ǫJP> 旞z6ӤU^^ y>Wi&%$ߩ1܇l3dF5ܹv 6qaY#ٴ{+ܦ'ʎtUZFeDv8sd_tg9[)|&י[?Y7;k}~Oc1c J-AAAB;={냨 !ǮHrS^p,s? @\H@څg!CXB)_$Tq<*!q ArvH!h!h!hVe[A1c1ƞ=DIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-row-001-visual.htm000066400000000000000000000024061455631435400270750ustar00rootroot00000000000000 CSS Flexible Box Test: flex-direction_row

Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in upper left of red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-row-001-visual.htm.png000066400000000000000000000033051455631435400276570ustar00rootroot00000000000000PNG  IHDR   rPLTEAiy&nIDATx앁q(@Mk~7Ϥ+"!9Nޛx ~:+/8~_ũ";sTȑ~A Y+|^2ӳKѧF$Hذ>_LEz6rNY ! BrZBj;B@:!M UsB.Q!!66P2*/ymlH@1C8?eX6De>ƽxL, g߹F\Жwx&B BWz\IBj$ui^MIͺ*,~sW;}R<mu6_uX=OCFM4TN(QAo8|:sw'M5zFrWRҗ~OH4BܾՖ@6;BJJ{HctRְYJtw479!z|ZH|v ]pqn}?Bx鄴s=;OHgS:{:Itc9C[ɭ|1r',xGrۛA}?o}>M&xuc!_s!c+y=} 9>kGie#m˅ 6ۋ"qD^ZOFv{DH#8d`0y`Wr!#$!:B )&J.ץk5%5t\V+czP/j/쮐i_!~P0n,rrN촘VV]);]7玐2oRt2}ֻ7/cܚeq4 mѻ)dZŮ<Bv⶚-9)9.4S=\|GT VƛQt4P8pV kBeDHs@r-#B@ iBE )+4|"\~o9!@1b !@1b !@1b !@1b !@1b !@1b !@1b !@1b x !@1b !@1b !@1b !@1b !@1b !@1b !@1b !@1bw{t@0kk|*pCH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1B~ 5mIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-row-reverse-001-visual.htm000066400000000000000000000025321455631435400305460ustar00rootroot00000000000000 CSS Flexible Box Test: flex-direction_row-reverse

Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in upper right of red rectangle and from left to right of the row: 3, 2, 1.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-row-reverse-001-visual.htm.png000066400000000000000000000036341455631435400313350ustar00rootroot00000000000000PNG  IHDR 0PLTEAi)EIDATx( Mn# &?Dmw~_Tc|FL·Oގ +dO;p ą=g/ӻsOJ$a}R|/n2eAțI'fMxQHNKRHRWH'DI ;Mi))2ͩS~_Jd$c@1 /eZ? 1QL1jӨ\wĴΥBȥLBWC!!K 1QH1S vJJRr/,/K? z"uMgG}^\/("ǯD ś&\s9=W"⠧e%D_NSc626HaP{7{<ץ/}KH(!n]Hjyn7fg}C׿qO G,/.ha!TKtmK'9c!s}߽,{.x5k\Hy=BxtBrϮt!K|x*䬓˾Gщ8sܚj 2NNYCH.`n9Y!40 )''QO;S;#d'fl7*DFG!N5vgҿ>v+)I-н2cr}ze;n~a^V=/5p;Ou6})l. x\^}/|U;n~s%|ECp_eVAם,q!.v Y#nB*q/b9=:ηw9ce>픐/.${c/4? s/NV|{[]#i@ruڶXow>kxb'7nW92;xbl{*>t?}{H,O! )dneƄ;S!O!/ BF] CSS Test: flow-direction:row-reverse swaps main start and end directions

Test passes if both the lines below are identical.

ABC
CBA
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-row-reverse-002-visual.htm.png000066400000000000000000000005661455631435400313370ustar00rootroot00000000000000PNG  IHDR X%=IDATxm0 #=v8|Q3tz}Jj)V`M/d'D H #LY@Q.o+5ZA)HBދ`A8%$7sCW_Q3L ݑ#} -*׼"(".aE?h̅CU|VDm O>:ŠLe.SGd ֧nM᪸sѳn_A<-H0Ec;L2#%t<3rlH H #s0"ף z CSS Flexible Box Test: flex-direction proprety - row-reverse

The test passed if you see all the cells are arranged horizontally and the order of cells are reversed.

first second third forth
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction-row-reverse.htm.png000066400000000000000000000016411455631435400275320ustar00rootroot00000000000000PNG  IHDR "D PLTE'1PIDATxkn:Ǎ/f]@%do,MTꆲy%3cb8%F{k;s6 _|+t3 ײجsi=y7LmDLz.9ɗ0'2Y?D*9[2/ne9|IąK,[zG2Jy∦Wh] vZ/p"O|im-ynE[YLt[ml-QMB#c- #̉aN g"s2FSDŞ&bH-dIB0^ފ;g67Ĵ"Mފt0\ul{ Dlӝ;_[SՊI."F/$l vz詥ۭ_,[zG#o㊲Y"X=4_O2g#@#_7<Ȃ`:0'ӯlI|oJt>= Hxtr1x #$-܃Ol))"ɩ"H?=VDRIDR"ԀHj@$5 O&=ޡIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction.htm000066400000000000000000000043221455631435400244700ustar00rootroot00000000000000 CSS Test: flex flow direction

flex-direction:row

1
2
3

flex-direction:row-reverse

1
2
3

flex-direction:column

1
2
3

flex-direction:column-reverse

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-direction.htm.png000066400000000000000000000054251455631435400252600ustar00rootroot00000000000000PNG  IHDR  8 PLTE333ZN IDATxMқ8@a#>۳@d|哰IQ#O2ܐ(K`3R ~3 >*"fhxJwq=݅)"ƇDzCI iA1.-cmK]"Y 2EA1E8>S*DҲ fc*=gyU"۩0dESHIW []"8"D("ܦz6" !h.|I$Hmh*E\VB%C;S 1ra0\-";Y/JD,=<iADhm D6"@D+~,w~oFDADADA}"DzEMyLzEXZsSd>ȳG ݵFW5Eη9"v1#3" " " " /D6"@Dhm DqUHnb6\*Q)EEwvz&0X\$͚/Y=|L~xe<ϔ"RgaK:3,إxfOm?>Vy6}@Oh D:!ħ?B2٢{ABlrǗtJ/sC>^o1F5Gig I^HN 9s^l!S_skv'm <\v}lzZØm6ٷץ|; v+$/$|% ,7Ho~?' _?)$tS_;"la[drV} Rw!wr e~} <8_#2_N=?Tyn|y0׍ Rv=rn ̝ e>e0o2^m!ffffffffff&ZBh %ZBh %Vh "D!BK-! (% $̭%DoY !BBK-!BK-!BCZBh %ZBh %ZBh %ZBh %ZBh r{"D:!BK-!C "\@ރ@>,Q#(?s-7"D!ȄBK-!BK=!BK-!BK-!BK-!BK-!BK-!BCn}^!BA'ZBh %V|r] (({$7fy ք"ZBh %ZBh R^ɄqNj9wYe>O哰JTO_2 sD- jQ Z@Wk7efO|x6 ~$ 9d[sHӝ&r4Hۃ}z̥n۱}gzչ{ 1 ) R:סV },7{xz|.m_>;G;}}C!`hXy"i96͗$6ȲΓVۃ $~!^2AfHdb7x_$Bc_9/"<;RV/U/H+ZR /g\b7>c﹐ -/9w vtߕs⑫xemX]iic by_;~ u ˪e?ri2Cl flex item child margin

a

b

litehtml-litehtml-6ca1ab0/test/render/flex/flex-flexitem-childmargin.htm.png000066400000000000000000000015231455631435400273670ustar00rootroot00000000000000PNG  IHDR <ȒPLTE}&NIDATx0UX < !1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb΅L{uS` AK.叩4hF`kȟ~$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb<`mVČ -Ĝr3s|!oA6B܉ c!7$FH̬A^w r+Ab$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb$FAb9KjT.oIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flexitem-percentage-prescation.htm000066400000000000000000000023251455631435400306060ustar00rootroot00000000000000 flex item size prescation

d

d

litehtml-litehtml-6ca1ab0/test/render/flex/flex-flexitem-percentage-prescation.htm.png000066400000000000000000000002531455631435400313670ustar00rootroot00000000000000PNG  IHDRu<J? PLTE#ZIDATxA @Pajz,D) }4FMxH޾q>.u7c1c1c1c1_N3|WIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-001.htm000066400000000000000000000031771455631435400237640ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - row nowrap

Test passes if there is a filled green rectangle whose width is greater than height and the number within rectangle is '1 2 3 4' from left to right.

1
2
3
4
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-001.htm.png000066400000000000000000000020551455631435400245410ustar00rootroot00000000000000PNG  IHDR z: PLTEE1IDATxѕ* @?)A>Ô0L:CR/=Nv29q@/L&d2L&dO>;,S+ 'n5/Fm>:rEn /'@)tC3_3Ȱbk/}G-W['@4@P'x:70y6Q VЯ ᇑ|/ D?Ogn1/jgQDŽDzH/&m* H\Nt۴s @r 4RPAРrN 4~@}zeg$OOT!R{PB ^2^zW CSS Flexbox Test: flex-flow - row wrap

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

1
2
3
4
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-002.htm.png000066400000000000000000000020001455631435400245300ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-003.htm000066400000000000000000000033331455631435400237600ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - row wrap-reverse

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

3
4
1
2
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-003.htm.png000066400000000000000000000020001455631435400245310ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-004.htm000066400000000000000000000033171455631435400237630ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - row-reverse nowrap

Test passes if there is a filled green rectangle whose width is greater than height and the number within rectangle is '1 2 3 4' from left to right.

4
3
2
1
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-004.htm.png000066400000000000000000000020551455631435400245440ustar00rootroot00000000000000PNG  IHDR z: PLTEE1IDATxѕ* @?)A>Ô0L:CR/=Nv29q@/L&d2L&dO>;,S+ 'n5/Fm>:rEn /'@)tC3_3Ȱbk/}G-W['@4@P'x:70y6Q VЯ ᇑ|/ D?Ogn1/jgQDŽDzH/&m* H\Nt۴s @r 4RPAРrN 4~@}zeg$OOT!R{PB ^2^zW CSS Flexbox Test: flex-flow - row-reverse wrap

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

2
1
4
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-005.htm.png000066400000000000000000000020001455631435400245330ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-006.htm000066400000000000000000000034201455631435400237600ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - row-reverse wrap-reverse

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

4
3
2
1
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-006.htm.png000066400000000000000000000020001455631435400245340ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-007.htm000066400000000000000000000032061455631435400237630ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - column nowrap

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from top to bottom.

1
2
3
4
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-007.htm.png000066400000000000000000000016321455631435400245470ustar00rootroot00000000000000PNG  IHDR  PLTEE1LIDATx] F; q Юr(8NL[VףA~\ G1ϙACxcؐog˨[ַ;MD1ׅ%WS| 9Pn#չEEh nE[+5E^Hi"6ODx+8͜E2$P7jۡv)QdDvf" CSS Flexbox Test: flex-flow - column wrap

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

1
3
2
4
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-008.htm.png000066400000000000000000000020001455631435400245360ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-009.htm000066400000000000000000000033771455631435400237760ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - column wrap-reverse

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

2
4
1
3
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-009.htm.png000066400000000000000000000020001455631435400245370ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-010.htm000066400000000000000000000033221455631435400237540ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - column-reverse nowrap

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from top to bottom.

4
3
2
1
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-010.htm.png000066400000000000000000000016321455631435400245410ustar00rootroot00000000000000PNG  IHDR  PLTEE1LIDATx] F; q Юr(8NL[VףA~\ G1ϙACxcؐog˨[ַ;MD1ׅ%WS| 9Pn#չEEh nE[+5E^Hi"6ODx+8͜E2$P7jۡv)QdDvf" CSS Flexbox Test: flex-flow - column-reverse wrap

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

3
1
4
2
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-011.htm.png000066400000000000000000000020001455631435400245300ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-012.htm000066400000000000000000000034631455631435400237640ustar00rootroot00000000000000 CSS Flexbox Test: flex-flow - column-reverse wrap-reverse

Test passes if there is a filled green square and no red, the number within square is '1 2 3 4' from left to right, top to bottom.

4
2
3
1
litehtml-litehtml-6ca1ab0/test/render/flex/flex-flow-012.htm.png000066400000000000000000000020001455631435400245310ustar00rootroot00000000000000PNG  IHDR  PLTEE1IDATxۑ8e C*iv2ؓv-, -QKU )ɯSiNw q8xcxpV$g=ܥo_rOį\< u]"vY|V c%";i''/7y4I8MR$]"Zr?rIy#RCҤ4\Z )m߶})(1[Z;82rP)ſ-}7lUcyV"q%2F!s"2R-RV"OEd)y;\D륨Pp>JZE䋈i[ҾU"ψRqy{IjEdvЊ|IJ4Vd.3Zi[ҾU$1X9mHl4D!5|nCc sSV6rkKj-7ʱ_[S9qܒd3yǮ;-i{cf?gWdl+>_p},}m_H~UKr'"w$wsSX[I3wQ8f eESN4-'%O\ ؛]ERE_h<\H"9|Ar1R u(-lF B}Xq;&-=_+r:9U"(ǽcFiD^"Fȩ O%:Z-=0@Dk@Dk@Dk@Dk@Dq|ӯk%rڋȱcK-o"ꌜX^SχI4ٍn.D bX"ր5 b X"ր5 b X"ր5 b X"ր5 b oZ-qlIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-001.htm000066400000000000000000000031771455631435400237730ustar00rootroot00000000000000 CSS Test: Flex-grow Property of Block-level Flex Items
litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-001.htm.png000066400000000000000000000002511455631435400245440ustar00rootroot00000000000000PNG  IHDRN9PLTE 0UIDATxA @FZ@&p$7s=n%%vIJ6IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-002.htm000066400000000000000000000032621455631435400237670ustar00rootroot00000000000000 CSS Flexbox Test: flex-grow - 0(initial value)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-002.htm.png000066400000000000000000000011011455631435400245400ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-003.htm000066400000000000000000000031471455631435400237720ustar00rootroot00000000000000 CSS Flexbox Test: flex-grow - negative number

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-003.htm.png000066400000000000000000000011011455631435400245410ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-004.htm000066400000000000000000000032041455631435400237650ustar00rootroot00000000000000 CSS Flexbox Test: flex-grow - (invalid when no space distributed)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-004.htm.png000066400000000000000000000011011455631435400245420ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-005.htm000066400000000000000000000030551455631435400237720ustar00rootroot00000000000000 CSS Flexbox Test: flex-grow - (invalid when applied to flex container)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-005.htm.png000066400000000000000000000011011455631435400245430ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-006.htm000066400000000000000000000030651455631435400237740ustar00rootroot00000000000000 CSS Flexbox Test: flex-grow - positive number(fill all space)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-006.htm.png000066400000000000000000000011011455631435400245440ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-007.htm000066400000000000000000000030051455631435400237670ustar00rootroot00000000000000 CSS Flexbox Test: flex-grow - less than one

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-grow-007.htm.png000066400000000000000000000011011455631435400245450ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-margin-no-collapse.htm000066400000000000000000000031241455631435400261760ustar00rootroot00000000000000 CSS Flexible Box Test: flex item margins

The test passes if there are two green boxes and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-margin-no-collapse.htm.png000066400000000000000000000013621455631435400267630ustar00rootroot00000000000000PNG  IHDR To PLTEE1IDATxMn@QȦk0~]iJUDE2f8m+}tz=\/k/w;5fߺ\>A![Yo˺u:6Mv+ek_1mm?+2srݫJ?-z>؎v|?՜}!zulDB2fo9V/鋣sVڑ4nj#O<ǵg+r2niWi|޷q_Hs8}k!CCa+YS=J eQGxJmqoOSkn\[h![' CSS Flexible Box Test: Minimum height of flex items

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-height-flex-items-001.htm.png000066400000000000000000000011011455631435400305550ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-height-flex-items-002.htm000066400000000000000000000041351455631435400300050ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum height of flex items

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-height-flex-items-002.htm.png000066400000000000000000000011421455631435400305630ustar00rootroot00000000000000PNG  IHDR 6- PLTEE1IDATxon8$)r@ji;z$ Oby9>?]N{t9O?\XҼBjse^!s1y&0dk~=ZO7{c5H3~fo{[oWXQ,ۺKkmQsuޖVu5=G6:Yҟ!Cx[Bw!>s_rW>CjQ0=y>xoo!}ff[IFjo/[2W-7Ryn sH=b#C!MNso.UϹMvAmUT!}nVע1vq_r׾zwO!_ڞ/䏿7&DH!iFH!iFH!iFH!iFH!iFH!iFH!iFH!iFH!iFH!iFH!iFH!iFΟ:^IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-height-flex-items-011.htm000066400000000000000000000043331455631435400300050ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum height of flex items

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-height-flex-items-011.htm.png000066400000000000000000000011011455631435400305560ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-width-flex-items-002.htm000066400000000000000000000040211455631435400276460ustar00rootroot00000000000000 CSS Flexible Box Test: Minimum width of flex items

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-minimum-width-flex-items-002.htm.png000066400000000000000000000011011455631435400304250ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-order.htm000066400000000000000000000024331455631435400236240ustar00rootroot00000000000000 CSS Test: flex order
litehtml-litehtml-6ca1ab0/test/render/flex/flex-order.htm.png000066400000000000000000000003051455631435400244030ustar00rootroot00000000000000PNG  IHDR t龇 PLTE<\ltIDATx1 @KZҒX'"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""#VJ'uFIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-001.htm000066400000000000000000000033101455631435400243000ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - number(positive)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-001.htm.png000066400000000000000000000011011455631435400250570ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-002.htm000066400000000000000000000031701455631435400243050ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - number(negative)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-002.htm.png000066400000000000000000000011011455631435400250600ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-003.htm000066400000000000000000000030211455631435400243010ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - 1(initial value)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-003.htm.png000066400000000000000000000011011455631435400250610ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-004.htm000066400000000000000000000032211455631435400243040ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - number(flex container has enough space)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-004.htm.png000066400000000000000000000011011455631435400250620ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-005.htm000066400000000000000000000030651455631435400243130ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - 0

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-005.htm.png000066400000000000000000000011011455631435400250630ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-006.htm000066400000000000000000000033241455631435400243120ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - 0(one of flex-shrinks sets 0, another not)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-006.htm.png000066400000000000000000000011011455631435400250640ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-007.htm000066400000000000000000000031311455631435400243070ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - applied to flex container

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-007.htm.png000066400000000000000000000011011455631435400250650ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-008.htm000066400000000000000000000030251455631435400243120ustar00rootroot00000000000000 CSS Flexbox Test: flex-shrink - less than one

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/flex-shrink-008.htm.png000066400000000000000000000011011455631435400250660ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-abspos-child-001a.htm.png000066400000000000000000000001571455631435400270150ustar00rootroot00000000000000PNG  IHDR$v'PLTE$IDATx1@A@!;X˫Vn-aF-َIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-abspos-child-001b.htm.png000066400000000000000000000001571455631435400270160ustar00rootroot00000000000000PNG  IHDR$v'PLTE$IDATx1@A@!;X˫Vn-aF-َIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-items-center-nested-001.htm000066400000000000000000000027001455631435400304640ustar00rootroot00000000000000 CSS Test: Flexbox nested containers with align-items: center and flexible items
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-items-center-nested-001.htm.png000066400000000000000000000001711455631435400312470ustar00rootroot00000000000000PNG  IHDR<PLTEx<.IDATx1 o+6c1c1+uNIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-001a.htm000066400000000000000000000052521455631435400306150ustar00rootroot00000000000000 CSS Test: Baseline alignment of block flex items with 'baseline' value for 'align-items' / 'align-self'
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-001a.htm.png000066400000000000000000000043651455631435400314040ustar00rootroot00000000000000PNG  IHDR "MRPLTEҴ˾XIDATxտO#G("zd둯dDɅ{hc7^}+s$۹GP " b" b" b" b" b" b" b" b" bw}G b" b } o b5 W~>_H[i/U?G[?֏z\fybzxGvB4M+vۻJckE=f hd@vށXGe,bc32XCHS[]x@3Ҍ"g[e2@ZAY'A{׹ťn1K$|Oa 鷞<@RWm|ۀ'A>" v{ݗzѺB R-u'zixb4\ @ QΑb#; zۧ@~B,wޟnya<c|(̜?<( A CM ‰dAo CDYyf;G@f޲2@eDYQ ~(( &!_=ȅfY!|Â`7 ,oFٯ0C$%@ CͶB2Q 2AV4 @Bho,_~%mj!W?\( qoXlQS]WkQ@|A Aj4wJ!Z9oSѺ +,HFne@"\ BѴBb3CbJ!ޫx*  ͅ?:A*2k SqC u@\c~C*HdlN7NG|]$*o|GݫdOb:D3<m l?.wg &Z 3#V"n/ i u{k1b֖ jR9-3WB͖嶭σB/{ұYTWH+h SBȂ5,AP+el>;gP::[q C1H!Pq ,[5C$烼s~&q+muAN?y"$߭@މN_}DЍv̐3⽊+yփeⁱS@d*-i#ǧLoyPd^sPFzއ;:}z -81hȏ{]MHo_ CSS Test: Baseline alignment of block flex items with 'baseline' value for 'align-items' / 'align-self' in a wrap-reverse flex container
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-001b.htm.png000066400000000000000000000043651455631435400314050ustar00rootroot00000000000000PNG  IHDR "MRPLTEҴ˾XIDATxտO#G("zd둯dDɅ{hc7^}+s$۹GP " b" b" b" b" b" b" b" b" bw}G b" b } o b5 W~>_H[i/U?G[?֏z\fybzxGvB4M+vۻJckE=f hd@vށXGe,bc32XCHS[]x@3Ҍ"g[e2@ZAY'A{׹ťn1K$|Oa 鷞<@RWm|ۀ'A>" v{ݗzѺB R-u'zixb4\ @ QΑb#; zۧ@~B,wޟnya<c|(̜?<( A CM ‰dAo CDYyf;G@f޲2@eDYQ ~(( &!_=ȅfY!|Â`7 ,oFٯ0C$%@ CͶB2Q 2AV4 @Bho,_~%mj!W?\( qoXlQS]WkQ@|A Aj4wJ!Z9oSѺ +,HFne@"\ BѴBb3CbJ!ޫx*  ͅ?:A*2k SqC u@\c~C*HdlN7NG|]$*o|GݫdOb:D3<m l?.wg &Z 3#V"n/ i u{k1b֖ jR9-3WB͖嶭σB/{ұYTWH+h SBȂ5,AP+el>;gP::[q C1H!Pq ,[5C$烼s~&q+muAN?y"$߭@މN_}DЍv̐3⽊+yփeⁱS@d*-i#ǧLoyPd^sPFzއ;:}z -81hȏ{]MHo_ CSS Test: Baseline alignment of flex items in fixed-size single-line flex container
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a
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-004.htm.png000066400000000000000000000005171455631435400312410ustar00rootroot00000000000000PNG  IHDRjtO PLTES`IDATxս .; CSS Test: Baseline alignment of block flex items with 'baseline' value for 'align-items' / 'align-self' in a multi-line flex container
a
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-005.htm.png000066400000000000000000000005201455631435400312340ustar00rootroot00000000000000PNG  IHDRjtO PLTES`IDATx1 z.03i{8eؖ 4[1ow钨--1ë9Dz?J3̲X2,̭Y#4cY;zQ9Vxw9Fe ceEML1c 1D;e/2 ŝ)9Ӱ/ 3UۗX-ϢfLƬIwǁ1wV4o23%fo q3"K;0:/2QstƊw֣1#^xo %IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-007.htm000066400000000000000000000037571455631435400304720ustar00rootroot00000000000000 CSS Test: Baseline alignment of block flex items with 'baseline' and 'last-baseline' values for 'align-self' against each other.
one line (first)
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two
lines and offset (last)
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-baseline-horiz-007.htm.png000066400000000000000000000016211455631435400312410ustar00rootroot00000000000000PNG  IHDR DLPLTEi/7IDATxmn0 7 {$FR,n|A>"URzB  y״@3  q8B!΀gB^Y_oyBy%~2rF\"al޲34KB((޵u!N, (2~K!e6om_ypGڎ@$׽[n]D{B66;Qv/™!?_m-k QX+5Js7r?:e;\Nc܃kWBtďmPO, I˄|nG +`AHZ܋&R5w)}Bmu!/~Y!mHAQkhΓR.w7'!yZ3ne:o i.í< BBQNhB~WR $P_H!q8É:+v@@HzB糇q _ C>ne{⫣caݸ賷IBKBL~? .z.L/^ s!qby߭WAFiE!!#=BDFY^ u.Bb!|;y{dcGV!,FٝShB^!' *$|B$jI(#!֮fB=yIrXL-*$=ď B- _BlB~( yZV"3D3R)^Z k7 Y%+p>v@8B1 y.\aIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-horiz-001-block.htm000066400000000000000000000062521455631435400277650ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' property values on flex items that are blocks, in a horizontal flex container
start
a b c d e f
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a b c d e f
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a b c d e f
base
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start
a b c d e f
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a b c d e f
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a b c d e f
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start
a b c d e f
end
a b c d e f
center
a b c d e f

base
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stretch
a b c d e f
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start
a b c d e f
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a b c d e f
center
a b c d e f
base
a b c d e f
stretch
a b c d e f
start
a b c d e f
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a b c d e f
center
a b c d e f
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stretch
a b c d e f
start
a b c d e f
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a b c d e f
center
a b c d e f
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a b c d e f
stretch
a b c d e f
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A B C
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-stretch-vert-001.htm.png000066400000000000000000000002201455631435400307440ustar00rootroot00000000000000PNG  IHDR~7 PLTE5nBIDATx CQKt.) ЏG65:, T?3%eVZ6m`ЌfSIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-stretch-vert-002.htm000066400000000000000000000030731455631435400301730ustar00rootroot00000000000000 CSS Test: Testing the sizing of stretched flex items in a vertical multi-line flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-stretch-vert-002.htm.png000066400000000000000000000002221455631435400307470ustar00rootroot00000000000000PNG  IHDRx(Hֶ PLTESSFDIDATxұ D 84.c㔂56r."Eb%Nj3,rI^;_OlNTW%*lIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-vert-001.htm000066400000000000000000000061031455631435400265150ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' property values on flex items that are blocks, in a vertical flex container
start
a b c d e f
end
a b c d e f
center
a b c d e f
base
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a b c d e f
auto
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start
a b
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a b
center
a b
base
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a b
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-vert-003.htm.png000066400000000000000000000011501455631435400272770ustar00rootroot00000000000000PNG  IHDRvHPLTE֣9 IDATxn0-}l床_ P))Rέ8; Hw:=c-zBWM Tq7T9rnw( *TI++(ZǠ8P(rKPKw ZPP 9W٣fc+7C2jujzօ®QP1Ij]ǶǏ*CDՠ`@.+hAQ@)\e]`T \ԍ~zSj4ooBMdm&i,%Foxvz^@T{آT=凢-E9#*vF;kn(%.Wo6j?EGUD]u}@KGu1E0.T=+ ԕY1=TBtEos,b(v@)\.WZoa$6gRMR\ٍ/cS}/%{C:&F,)04_J{~(:/#*v]A J *{l{fࢊ0}>r`'IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-vert-004.htm000066400000000000000000000052541455631435400265260ustar00rootroot00000000000000 CSS Test: Testing the behavior of 'align-self' with a vertical flex container that's skinnier than its items, with margin/padding/border on the items
start
a b
end
a b
center
a b
base
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stretch
a b
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-align-self-vert-004.htm.png000066400000000000000000000014451455631435400273070ustar00rootroot00000000000000PNG  IHDRKPLTE˭sIDATxѣ `i 2rx?AD'q[誒KZ&h Xv$ 8EA ط`䱡x&<#+qi~ ޳ڕ'& !/tTC>#ՠzy~AK > x T&K 7/@PE RⱡXqljJڭ; p)N+(H$[~fm-ȾYym_T CSS Test: Testing that we gracefully handle cases where two anonymous flex items become adjacent due to "order" reordering
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b
c
d
e
f
g
h
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-align-self-baseline-horiz-001.htm.png000066400000000000000000000004311455631435400330110ustar00rootroot00000000000000PNG  IHDR#2 PLTEBIDATx0 It.):t)k4JT864y9w=h8BZV$(!eݹhH%X۲dž CSS Test: Testing the baseline of a vertical flex container with baseline-aligned flex items a
b
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-empty-001a.htm.png000066400000000000000000000002641455631435400273620ustar00rootroot00000000000000PNG  IHDR86>r PLTE fIDATxӱ @ $46o p {LQ8 F|c*>\ `T}OA훠*iꚉTzO`V6/UvUbVw%.rX9IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-empty-001b.htm000066400000000000000000000043101455631435400265740ustar00rootroot00000000000000 CSS Test: Testing the baseline of an empty vertical flex container A
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-empty-001b.htm.png000066400000000000000000000002641455631435400273630ustar00rootroot00000000000000PNG  IHDR86>r PLTE fIDATxӱ @ $46o p {LQ8 F|c*>\ `T}OA훠*iꚉTzO`V6/UvUbVw%.rX9IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-horiz-001a.htm000066400000000000000000000035651455631435400306670ustar00rootroot00000000000000 CSS Test: Testing the baseline of a horizontal flex container whose flex items are not baseline-aligned a
b
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d
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-horiz-001a.htm.png000066400000000000000000000003001455631435400314320ustar00rootroot00000000000000PNG  IHDRH*m PLTEBrIDATx `Qxn@ N^6SVlЋ_m(&OE# : bK{CT%!$E#esᩉ'TŤ[~MtF 5u>IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-horiz-001b.htm000066400000000000000000000037241455631435400306650ustar00rootroot00000000000000 CSS Test: Testing the baseline of a horizontal flex container whose flex items are not baseline-aligned a
c
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-horiz-001b.htm.png000066400000000000000000000003001455631435400314330ustar00rootroot00000000000000PNG  IHDRH*m PLTEBrIDATx `Qxn@ N^6SVlЋ_m(&OE# : bK{CT%!$E#esᩉ'TŤ[~MtF 5u>IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-vert-001a.htm000066400000000000000000000042471455631435400305120ustar00rootroot00000000000000 CSS Test: Testing the baseline of a vertical flex container whose flex items are not baseline-aligned a
b
c
d
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-vert-001a.htm.png000066400000000000000000000002731455631435400312700ustar00rootroot00000000000000PNG  IHDR2& PLTEBmIDATx 0c'q^C7S8"8 @9*۽ +BUsrVDTg?*C!."PsLYvuPIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-vert-001b.htm000066400000000000000000000044071455631435400305110ustar00rootroot00000000000000 CSS Test: Testing the baseline of a vertical flex container whose flex items are not baseline-aligned a
c
b
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d
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-item-vert-001b.htm.png000066400000000000000000000002731455631435400312710ustar00rootroot00000000000000PNG  IHDR2& PLTEBmIDATx 0c'q^C7S8"8 @9*۽ +BUsrVDTg?*C!."PsLYvuPIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-horiz-001.htm000066400000000000000000000054231455631435400305120ustar00rootroot00000000000000 CSS Test: Testing the baseline of a horizontal flex container with multiple flex lines a
b
c
d
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f
g
h
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n litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-horiz-001.htm.png000066400000000000000000000003621455631435400312720ustar00rootroot00000000000000PNG  IHDR:~%{ PLTEBIDATx 0 `g>>R<+ 뿦Ab?q!W*m)d)O'rB?=5Q[F9ggHϓ:^y [^Wzp63<IO^v&Ov1%Mz]BKIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-horiz-002.htm000066400000000000000000000054771455631435400305240ustar00rootroot00000000000000 CSS Test: Testing the baseline of a horizontal flex container with multiple flex lines a
b
c
d
e
f
g
h
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n litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-horiz-002.htm.png000066400000000000000000000004001455631435400312640ustar00rootroot00000000000000PNG  IHDR>9 PLTEBIDATx10 PSq33xR>%jR!+`/!^TaTĢWV%W?xj;3V3O`¯-|[.:򖝗T=owgHJ.Fv50Y~QspRzLyޟPO$vIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-horiz-003.htm000066400000000000000000000052401455631435400305110ustar00rootroot00000000000000 CSS Test: Testing the baseline of a horizontal multi-line (wrap) flex container with baseline-aligned items on first line a
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n litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-horiz-003.htm.png000066400000000000000000000004771455631435400313030ustar00rootroot00000000000000PNG  IHDR}lxAS PLTEO"IDATx;0 _*{x` rJZpV_L .x'^ఀO![܊y Tp9μ ^cҌFpUrng"u[c?WrW?j +W.J]s_ջzIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-vert-001.htm000066400000000000000000000054531455631435400303420ustar00rootroot00000000000000 CSS Test: Testing the baseline of a vertical flex container with multiple flex lines a
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n litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-vert-001.htm.png000066400000000000000000000003731455631435400311210ustar00rootroot00000000000000PNG  IHDR:~%{ PLTEBIDATx 0 `g>}r異}J76'ƨ\ 3dMSV"b/d|sW,_ rsy0%~S}iXb^5a~sl:d{='}5dHd3/y UoIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-vert-002.htm000066400000000000000000000055521455631435400303430ustar00rootroot00000000000000 CSS Test: Testing the baseline of a vertical flex container with multiple flex lines a
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n litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-baseline-multi-line-vert-002.htm.png000066400000000000000000000003771455631435400311260ustar00rootroot00000000000000PNG  IHDR:~%{ PLTEBIDATxձ `}ppws;)W175Cԫe׹P.M@.Ou?ww2L e< u'G-7;!XY-uޜk >=y9m9tćx*ys#;KGȃxה %IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-basic-block-horiz-001.htm000066400000000000000000000046461455631435400270320ustar00rootroot00000000000000 CSS Test: Testing flexbox layout algorithm property on block flex items in a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-basic-block-horiz-001.htm.png000066400000000000000000000007261455631435400276100ustar00rootroot00000000000000PNG  IHDRt _PLTEˀEdyIDATx @V8&w|p_\{?I[ѢUu\4Fh4Fh4Fh4Fh4Fh4ZrTH:Fh4Fh4Fh4Fh4Fh4FKB i['zFզFh4Fh4Fh4Fh4FX 9*n]J-Fh4Fh4Fh4Fh4Fh4N~}Xh4V4Fh4Fh4Fh4Fh4ZQ!qsh4Fh4Fh4Fh4FC{7 R_6 fl6j֝" ErIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-basic-block-vert-001.htm000066400000000000000000000046641455631435400266570ustar00rootroot00000000000000 CSS Test: Testing flexbox layout algorithm property on block flex items in a vertical flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-basic-block-vert-001.htm.png000066400000000000000000000005101455631435400274240ustar00rootroot00000000000000PNG  IHDRH6PLTE=IDATx; @l!d 7`ܾ`!\ sϜAXq/jM%% 1d^ !!!!!!!!!!is !!!!!!!!7"'#=d>w!AHHHHHHHHȯc ` 7uIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-001a.htm000066400000000000000000000077261455631435400275760ustar00rootroot00000000000000 CSS Test: Testing page-break-before in horizontal multi-line flex containers
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-001a.htm.png000066400000000000000000000005211455631435400303430ustar00rootroot00000000000000PNG  IHDR ^ޘ PLTEIDATx핱 0E©͍ @H8ےݝנ'a@_P"UBn2kdҼH1<" " " 5Ev%1i^B\(*{{H7=]-ݮ^hx}{DADADAkL^h %Reo/wsADa!@d89}ZyyNsDAe!P"UW|B:;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-001b.htm000066400000000000000000000076671455631435400276030ustar00rootroot00000000000000 CSS Test: Testing page-break-after in horizontal multi-line flex containers
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-001b.htm.png000066400000000000000000000005211455631435400303440ustar00rootroot00000000000000PNG  IHDR ^ޘ PLTEIDATx핱 0E©͍ @H8ےݝנ'a@_P"UBn2kdҼH1<" " " 5Ev%1i^B\(*{{H7=]-ݮ^hx}{DADADAkL^h %Reo/wsADa!@d89}ZyyNsDAe!P"UW|B:;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-002a.htm000066400000000000000000000077301455631435400275720ustar00rootroot00000000000000 CSS Test: Testing page-break-before in horizontal single-line flex containers (should have no effect)
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-002a.htm.png000066400000000000000000000005111455631435400303430ustar00rootroot00000000000000PNG  IHDR ^ޘ PLTEIDATx!r  %0B1LƴbT0/ټ|"AhB0Gœ^UMaGӽ @ @ Z?Fyt/)$ s/[eoϫ}][ſ0B~) @ @LH5_SH6_ """WoW$IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-002b.htm000066400000000000000000000076711455631435400275770ustar00rootroot00000000000000 CSS Test: Testing page-break-after in horizontal single-line flex containers (should have no effect)
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-horiz-002b.htm.png000066400000000000000000000005111455631435400303440ustar00rootroot00000000000000PNG  IHDR ^ޘ PLTEIDATx!r  %0B1LƴbT0/ټ|"AhB0Gœ^UMaGӽ @ @ Z?Fyt/)$ s/[eoϫ}][ſ0B~) @ @LH5_SH6_ """WoW$IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-001a.htm000066400000000000000000000077601455631435400274210ustar00rootroot00000000000000 CSS Test: Testing page-break-before in vertical multi-line flex containers
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-001a.htm.png000066400000000000000000000007741455631435400302020ustar00rootroot00000000000000PNG  IHDR T=b PLTEIDATxձ0F9Jr JԄm%uȡ'6$=$IZHq{5f3VYlϼZ5fa!4Bc!4Bc!4Bc:!}̫Ucy}VcBc!4Bc!4Bc!4BLHq{5$aև+μZ5fWo/, 1Ch 1Ch 1Ch Y'|ٿŘHq{5$I?ۿIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-001b.htm000066400000000000000000000077211455631435400274170ustar00rootroot00000000000000 CSS Test: Testing page-break-after in vertical multi-line flex containers
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-001b.htm.png000066400000000000000000000007741455631435400302030ustar00rootroot00000000000000PNG  IHDR T=b PLTEIDATxձ0F9Jr JԄm%uȡ'6$=$IZHq{5f3VYlϼZ5fa!4Bc!4Bc!4Bc:!}̫Ucy}VcBc!4Bc!4Bc!4BLHq{5$aև+μZ5fWo/, 1Ch 1Ch 1Ch Y'|ٿŘHq{5$I?ۿIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-002a.htm000066400000000000000000000077621455631435400274240ustar00rootroot00000000000000 CSS Test: Testing page-break-before in vertical single-line flex containers (should have no effect)
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-002a.htm.png000066400000000000000000000007371455631435400302020ustar00rootroot00000000000000PNG  IHDR T=b PLTEIDATxձm15wKr \L ;T$s/fl \$I|{)hynY+OߍSBc!4Bc!4Bc!4BS'd.#ZϯnCh 1Ch 1Ch 1Chʄ|{دhynY+OߍSBc!4Bc!4Bc!4BS'd.#ZR2Ch 1Ch 1Ch 1N\F<}7NyRj(c/?DC` 1Ch 1:!s8E2!0Bc!4BcMhynNHOCh 1Ch 1N\F<}7NyR$I?Y/`,;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-002b.htm000066400000000000000000000077231455631435400274220ustar00rootroot00000000000000 CSS Test: Testing page-break-after in vertical single-line flex containers (should have no effect)
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-break-request-vert-002b.htm.png000066400000000000000000000007371455631435400302030ustar00rootroot00000000000000PNG  IHDR T=b PLTEIDATxձm15wKr \L ;T$s/fl \$I|{)hynY+OߍSBc!4Bc!4Bc!4BS'd.#ZϯnCh 1Ch 1Ch 1Chʄ|{دhynY+OߍSBc!4Bc!4Bc!4BS'd.#ZR2Ch 1Ch 1Ch 1N\F<}7NyRj(c/?DC` 1Ch 1:!s8E2!0Bc!4BcMhynNHOCh 1Ch 1N\F<}7NyR$I?Y/`,;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-basis-content-nocanvas-001a.htm000066400000000000000000000052461455631435400312010ustar00rootroot00000000000000 CSS Test: Testing "flex-basis: content" in a row-oriented flex container
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-basis-content-nocanvas-001a.htm.png000066400000000000000000000010221455631435400317500ustar00rootroot00000000000000PNG  IHDRbPLTE**7:IDATxщ0 a+txU.|pHXr{ jũ@ #}ۜn}XWc1@k]G7 |\ۏZ7ⷡ3(7O,g72KW:409) Hև~5t)t*$""""""j] 2Gʿև~5S ~tGk P>̵qCyn(~:zê0KrZ^|, 43@N.4Кn}XWCA"A@""""""ũ@ #}ۜn}XWW<M`;Ijo~aN=,)Gj}4x02KW:409)/?[ p} ZSq  D[AIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-basis-content-nocanvas-001b.htm000066400000000000000000000054711455631435400312020ustar00rootroot00000000000000 CSS Test: Testing "flex-basis: content" (set via the "flex" shorthand) in a row-oriented flex container.
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-basis-content-nocanvas-001b.htm.png000066400000000000000000000010311455631435400317510ustar00rootroot00000000000000PNG  IHDRbPLTE**7:IDATxщ0qptB 鿕],ˬ~Hف.*]d$8cuyڮ*W]=}p>'4 Špt7)|J4~+`eSХ`=l+;;;%E@""""""]T (Hpmn]?= ?;L3U?K^A08z.<}NhA;8nRpzѕh\W8`K{W -+vXwv89 JEŁDDDDDDD@Ptێi~z_pϯr^zu͆P Gw덮tG^??ot)XyہJUZ1._< ` ѯEVIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-column-reverse.htm000066400000000000000000000041571455631435400311070ustar00rootroot00000000000000 CSS Flexbox Test: Flex-direction = column-reverse

The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-column-reverse.htm.png000066400000000000000000000022621455631435400316650ustar00rootroot00000000000000PNG  IHDR  PLTE22 aIDATxQn:Aϼ4Kp$nFʆ4'9@j0̇qE!B!$k3R~?I5<9ӈȵ$|Ǭ܃o"w?i|SAME&LD|ETDG>){L+>'ޖt?.)'?D!^ƽ<=>}u3)ҨڃoGVf;uGr^'KKF$$Fn ⠥0R8[.K31DviFpQ5f5[$"HķdHL?DL H"}ЙQ^6h11c]`^R iE#ᚸőFx,;J D4^^PgODS3s~KIv^":iIhn<#y(faa<-ᮈH\B2qUբ˭5T#]6PEĚXqj=?HUSAKĐW==yE#~l"mn["+!2-n8ebfȷEn!Np\]CɌ~ym,E0 7"g3'3"U/˨cQi?zV'%m̅T-7>A}N ZpZTU{U*V8A2!M^%B6#B!B!?tv 2V(BPEAkPH-l[[(r"U:"ǭKrn"y׸GFܔ"FDNYd国]qүv>/ΘJgG"֠5(b X"xH~fEAkPEAklKүvun(o8#wD5O9{nnHEm}[(2֪\2#7 rl[[*U:;P<EAkPCJgE6(b X"֠5(b XcS".l[[:#~;k׊9ΔJgPvF\8#˖Ex"m",2oΎ")EAkPEB!?Z)IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-column.htm000066400000000000000000000040351455631435400274310ustar00rootroot00000000000000 CSS Flexbox Test: Flex-direction = column

The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-column.htm.png000066400000000000000000000022621455631435400302140ustar00rootroot00000000000000PNG  IHDR  PLTE22 aIDATxQn:Aϼ4Kp$nFʆ4'9@j0̇qE!B!$k3R~?I5<9ӈȵ$|Ǭ܃o"w?i|SAME&LD|ETDG>){L+>'ޖt?.)'?D!^ƽ<=>}u3)ҨڃoGVf;uGr^'KKF$$Fn ⠥0R8[.K31DviFpQ5f5[$"HķdHL?DL H"}ЙQ^6h11c]`^R iE#ᚸőFx,;J D4^^PgODS3s~KIv^":iIhn<#y(faa<-ᮈH\B2qUբ˭5T#]6PEĚXqj=?HUSAKĐW==yE#~l"mn["+!2-n8ebfȷEn!Np\]CɌ~ym,E0 7"g3'3"U/˨cQi?zV'%m̅T-7>A}N ZpZTU{U*V8A2!M^%B6#B!B!?tv 2V(BPEAkPH-l[[(r"U:"ǭKrn"y׸GFܔ"FDNYd国]qүv>/ΘJgG"֠5(b X"xH~fEAkPEAklKүvun(o8#wD5O9{nnHEm}[(2֪\2#7 rl[[*U:;P<EAkPCJgE6(b X"֠5(b XcS".l[[:#~;k׊9ΔJgPvF\8#˖Ex"m",2oΎ")EAkPEB!?Z)IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-default.htm000066400000000000000000000037711455631435400275660ustar00rootroot00000000000000 CSS Flexbox Test: Flex-direction = row by default

The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-default.htm.png000066400000000000000000000022621455631435400303430ustar00rootroot00000000000000PNG  IHDR  PLTE22 aIDATxQn:Aϼ4Kp$nFʆ4'9@j0̇qE!B!$k3R~?I5<9ӈȵ$|Ǭ܃o"w?i|SAME&LD|ETDG>){L+>'ޖt?.)'?D!^ƽ<=>}u3)ҨڃoGVf;uGr^'KKF$$Fn ⠥0R8[.K31DviFpQ5f5[$"HķdHL?DL H"}ЙQ^6h11c]`^R iE#ᚸőFx,;J D4^^PgODS3s~KIv^":iIhn<#y(faa<-ᮈH\B2qUբ˭5T#]6PEĚXqj=?HUSAKĐW==yE#~l"mn["+!2-n8ebfȷEn!Np\]CɌ~ym,E0 7"g3'3"U/˨cQi?zV'%m̅T-7>A}N ZpZTU{U*V8A2!M^%B6#B!B!?tv 2V(BPEAkPH-l[[(r"U:"ǭKrn"y׸GFܔ"FDNYd国]qүv>/ΘJgG"֠5(b X"xH~fEAkPEAklKүvun(o8#wD5O9{nnHEm}[(2֪\2#7 rl[[*U:;P<EAkPCJgE6(b X"֠5(b XcS".l[[:#~;k׊9ΔJgPvF\8#˖Ex"m",2oΎ")EAkPEB!?Z)IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-row-reverse.htm000066400000000000000000000040741455631435400304170ustar00rootroot00000000000000 CSS Flexbox Test: Flex-direction = row-reverse

The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-row-reverse.htm.png000066400000000000000000000022621455631435400311770ustar00rootroot00000000000000PNG  IHDR  PLTE22 aIDATxQn:Aϼ4Kp$nFʆ4'9@j0̇qE!B!$k3R~?I5<9ӈȵ$|Ǭ܃o"w?i|SAME&LD|ETDG>){L+>'ޖt?.)'?D!^ƽ<=>}u3)ҨڃoGVf;uGr^'KKF$$Fn ⠥0R8[.K31DviFpQ5f5[$"HķdHL?DL H"}ЙQ^6h11c]`^R iE#ᚸőFx,;J D4^^PgODS3s~KIv^":iIhn<#y(faa<-ᮈH\B2qUբ˭5T#]6PEĚXqj=?HUSAKĐW==yE#~l"mn["+!2-n8ebfȷEn!Np\]CɌ~ym,E0 7"g3'3"U/˨cQi?zV'%m̅T-7>A}N ZpZTU{U*V8A2!M^%B6#B!B!?tv 2V(BPEAkPH-l[[(r"U:"ǭKrn"y׸GFܔ"FDNYd国]qүv>/ΘJgG"֠5(b X"xH~fEAkPEAklKүvun(o8#wD5O9{nnHEm}[(2֪\2#7 rl[[*U:;P<EAkPCJgE6(b X"֠5(b XcS".l[[:#~;k׊9ΔJgPvF\8#˖Ex"m",2oΎ")EAkPEB!?Z)IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-row.htm000066400000000000000000000040171455631435400267430ustar00rootroot00000000000000 CSS Flexbox Test: Flex-direction = row

The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-direction-row.htm.png000066400000000000000000000022621455631435400275260ustar00rootroot00000000000000PNG  IHDR  PLTE22 aIDATxQn:Aϼ4Kp$nFʆ4'9@j0̇qE!B!$k3R~?I5<9ӈȵ$|Ǭ܃o"w?i|SAME&LD|ETDG>){L+>'ޖt?.)'?D!^ƽ<=>}u3)ҨڃoGVf;uGr^'KKF$$Fn ⠥0R8[.K31DviFpQ5f5[$"HķdHL?DL H"}ЙQ^6h11c]`^R iE#ᚸőFx,;J D4^^PgODS3s~KIv^":iIhn<#y(faa<-ᮈH\B2qUբ˭5T#]6PEĚXqj=?HUSAKĐW==yE#~l"mn["+!2-n8ebfȷEn!Np\]CɌ~ym,E0 7"g3'3"U/˨cQi?zV'%m̅T-7>A}N ZpZTU{U*V8A2!M^%B6#B!B!?tv 2V(BPEAkPH-l[[(r"U:"ǭKrn"y׸GFܔ"FDNYd国]qүv>/ΘJgG"֠5(b X"xH~fEAkPEAklKүvun(o8#wD5O9{nnHEm}[(2֪\2#7 rl[[*U:;P<EAkPCJgE6(b X"֠5(b XcS".l[[:#~;k׊9ΔJgPvF\8#˖Ex"m",2oΎ")EAkPEB!?Z)IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-flow-001.htm000066400000000000000000000115211455631435400254210ustar00rootroot00000000000000 CSS Test: Testing all the values of the "flex-flow" shorthand property, with 4 flex items in each container
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-flow-001.htm.png000066400000000000000000000040131455631435400262020ustar00rootroot00000000000000PNG  IHDR  * PLTE?٣IDATx?%KW TnuOqjYE 0u82Ag<%ќ"X,ZWŪ~RFT-OYW8N?oc;\?<췟GQvoQD )G>BeAf2 B*@>Vbme> s+b|!j|#2;6DVcKʭH!*iȘ)FHIC~Xnrnr?7Hȶ VoB$ 9 Q[ ~VVsY ]&o6DB:6jxC>A>"l Z? o;9 I˾[nȰ3BV!a[o3bþ!$5ȱ՛džn-B<$/{uf!ϙH:ye BXB{ Vo!Ū>GZ>ƱO CPw 鳄kOv޹IR"rFo3.A;I9YOj!VO: 0Ft!.c/d!=GH{k]I[cb $"!B!B!B!؈ia;}lV6r I]o>+ƱO]$Eup|b;*$5/w FH {G#)z:|RJH8@"(9NApk\[+þp>B!B!B!ulD0~RŪ>GH6[+ÞDg$E$)T^w ՝`,'w+mz['t?#މk1] #ӽ.i{~1NB!B!B!uulD0>GH6[+HGRu'upѮ}8X1~R#WKN@Z>BR%WrR i@ i.쭕a_~vr|NH!B!B!B:6jxZN?bUN#$aRT!{'up u;;~R@;$[1NAw`ki錝~fE NRR咞s<N?zz8vIUycR]IK#n-p`8qmm$i'C4[ˏUr8^BׯN?|>B!B!B!c#q*VU9BZl I޺׽;;~R:^~|'U!Cϱ!;{ gVDd! c 4Vx[kYB^vA B!B!B!Z>ƱfkQ.I;q*Q譇\cT5\g9*;4r`IF_FBvr>D#X% ).iC%ďqqH!B!B!BȺ:6jxZN?bUN񾿶wj;(9ޙAJ@5zw Bj7:Fa0|J #-BiBJ )fSEHߛqwmwi!Cmk R%7΃(X%Z%Z%ZήNg0VHH2H6a\lu+AH!_k;l$ +:@}؏0PA<%Z%Z%Z%Za txW}RJ 1s_,IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-flow-002.htm000066400000000000000000000111111455631435400254150ustar00rootroot00000000000000 CSS Test: Testing all the values of the "flex-flow" shorthand property, with 3 flex items in each container
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-flow-002.htm.png000066400000000000000000000037031455631435400262100ustar00rootroot00000000000000PNG  IHDR  * PLTE?٣rIDATxA%}?V-] "h6/$SHgE}BP(ԶJ6U:VFcIӬL)tU埁O3=B+ _թ)O#0!-[H?<.?OHfAzffwsGfސ,u[rc;Z ҙ;2{aB^!l {سϓM@cICcF d i 9H" ψw Lȴ3 "B苧0̺~;b>N^LH< G}OB_|@0ZP,5!r4!BrɎ䱌V<;  ľ~۽B  r:izBM:}]Xz GNHQium-%QO!$B5A#9=#:$;Dt}:,UIJJk^߄   ȶ:VFci课z5!}ӯfÂhٚcd^V,Z 鄼׃>SdݐiBܣz#yy{<80<o/&e{FA@@@dcN^V\UNdSN#hKa͎CM:4t 4{ڀ|!D-%QO!$B5A#9=#:$;Dt}:,UIJJk^߄   ȶ:VFci课z5!}ӯfÂhٚcd^V,Z 鄼׃>SdݐiBܣz#yy{<80<o/&e{FA@@@dcN^V\UNdSN#jC_s}ׯV;t!YꄼGiBt;tU^/&DC_UpGݣ3ӎ],ao^ @@@u:Yz]R[׫O|, ~U64;iN%DE[JJk#L:2~Ux #2olGKC&:6T!r7vnn ,UujBt_~U|@@@Vʨ|,5~Uɦ >F։BfǚW:XNuZcd^ WuNțz=P{~USRj;f'wVO;w@;ȓݾv{& ;H4D@@@@6ֱZdAuIm]V;t?! */O;tUYSh:}ul))0!v"ZZ[O;tUnĤhNz?#Ծ- L3wDRR@:Jڹ!-BTA:֩ m~u;tUA@@@d[+ O;tU%*t!=_Fj v@AԽ4i "Zк?HnACP:ZIY8~.,{44*R ]g翙~ܟD+eU.AAAAAA Cj!SE/?Z gHV{NBbi\ CSS Flexbox Test: Flex-wrap defaults to nowrap

The test passes if there is a green square and no red.

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Test passes if there is a green rectangle and no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-wrap-horiz-001.htm.png000066400000000000000000000005171455631435400273420ustar00rootroot00000000000000PNG  IHDR7PLTEE2IDATx0~`Q@p i h[e(|,XA "EzE!AߌNYQz5H6^SzCO JrH\SzZ){1<|I]~@i5 {/+4dPLiĠ)=WJOgro/H"mJ+%Ai̚OY/t .M ?=Jd/i&)LnQxIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-flex-wrap-horiz-002.htm000066400000000000000000000040301455631435400265520ustar00rootroot00000000000000 CSS Test: Ensure that min-width is honored for horizontal multi-line flex containers
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The test passes if there is a green square and no red.

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The test passes if there is a 3x3 grid of green squares, numbered 1-9 left-to-right and top-to-bottom, and there is no red.

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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-items-as-stacking-contexts-003.htm.png000066400000000000000000000002501455631435400314700ustar00rootroot00000000000000PNG  IHDRd(VBpPLTET]/NIDATxK @![T`+?+|0¿Oxb?= މ$NR3*I)Yϲ_2d«|?zN6IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-justify-content-horiz-001a.htm000066400000000000000000000114561455631435400301640ustar00rootroot00000000000000 CSS Test: Testing 'justify-content' in a horizontal flex container
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-justify-content-vert-003.htm.png000066400000000000000000000004701455631435400304270ustar00rootroot00000000000000PNG  IHDRTA4 PLTEWMIDATxAj@ ߯뜮7HC#ŅfxaGOs,T*JRT*u~RMuM_ݜVST*J}/e5'Rwu5>TL CSS Test: Testing 'justify-content' in a vertical flex container, and its effects on flex items that overflow, with margins/border/padding on flex items
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-justify-content-vert-005.htm.png000066400000000000000000000012701455631435400304300ustar00rootroot00000000000000PNG  IHDRPLTE#I?dIDATxiEQ0IH: kJ 2s__m۶m۶U;~ǟ~~3L3L3L3L3_~g>7w3̢aÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +6hذaÊ +ێs_oG̞g V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆ V4lXѰaEÆmǹ'Ͷm۶m۶}w\p'02IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-justify-content-vert-006.htm000066400000000000000000000115301455631435400276460ustar00rootroot00000000000000 CSS Test: Testing 'justify-content' in a vertical flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-justify-content-vert-006.htm.png000066400000000000000000000007201455631435400304300ustar00rootroot00000000000000PNG  IHDRb5gO PLTEWMIDATx1n0.,]z5߯sND"l˦Syd""%|>|Ƽn% q?[AFFցlYLvY1ʔ +YI%####;]KFFFFFFF֝l򲚫GFFFXV^ ;J6)Nʼn!tYy!I ####l2222Ȇ0eܑ-Մw +ce3gO6D 2 ^mW,;ɶ!####{CYɜS8MV_ ###Wh1鲥voZ-”Yʖo+ȪKFv+6dTW #{gے(Y}:'+銐2 /2LYU"ѾIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-margin-auto-horiz-001.htm000066400000000000000000000053261455631435400271000ustar00rootroot00000000000000 CSS Test: Testing horizontal auto margins on flex items in a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-margin-auto-horiz-001.htm.png000066400000000000000000000005311455631435400276540ustar00rootroot00000000000000PNG  IHDRDPLTEˀvIDATxM@QZ0,$_ DY `0XV1a0 2&~%xQ[IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-margin-auto-horiz-002.htm000066400000000000000000000060121455631435400270720ustar00rootroot00000000000000 CSS Test: Testing vertical auto margins on flex items in a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-margin-auto-horiz-002.htm.png000066400000000000000000000004451455631435400276610ustar00rootroot00000000000000PNG  IHDRxR PLTEgIDATxm0QZH nh!2 CSS Test: Testing borders on flex items in a row-reverse horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-001-reverse.htm.png000066400000000000000000000006721455631435400276660ustar00rootroot00000000000000PNG  IHDRh[2PLTEˀ ]IDATxα `QWX[0 kB,FQwn'?%گjnI `0 `0 `0 `0 `0lX5 `0 `0 `0 `0 `0dl:_  Ʃ `0 `0 `0 `0 +Wj`0 `0 `0 `0 `0 6 l  y0 `0 `0 `0 `0lXҳI= `0 `0 `0 `0 JǮ1Mp5Uh$\IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-001.htm000066400000000000000000000046611455631435400254340ustar00rootroot00000000000000 CSS Test: Testing borders on flex items in a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-001.htm.png000066400000000000000000000006671455631435400262210ustar00rootroot00000000000000PNG  IHDRh[2PLTEˀZIDATxѩp[= N~ YJ7ΟߔfIWu_`0 `0 `0 `0 `0 V0V  `0 `0 `0 `0 `0Xت) 6Ǝ `0 `0 `0 `0  Tݛ`0 `0 `0 `0 `0 >0`q `0 `0 `0 `0  CSS Test: Testing margins and borders on flex items in a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-002a.htm.png000066400000000000000000000007101455631435400263500ustar00rootroot00000000000000PNG  IHDRh[2PLTEˀkIDATxi`sh[+$&,waStw:"3a}`0 `0 `0 `0 `0 J2e CSS Test: Testing margins, borders, and padding on flex items in a horizontal flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-002b.htm.png000066400000000000000000000007101455631435400263510ustar00rootroot00000000000000PNG  IHDRh[2PLTEˀkIDATxi`sh[+$&,waStw:"3a}`0 `0 `0 `0 `0 J2e CSS Test: Testing borders and padding on a row-reverse horizontal flex container and its flex items
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-003-reverse.htm.png000066400000000000000000000005641455631435400276700ustar00rootroot00000000000000PNG  IHDR0&PLTEpv IDATxi1EQ\' :MI,ZH|nĿHOIm=9{Jj$]7l J$Iz(,HsZIXvvt 4`RU7?#TOyl7ʀ$6Ԟ=%UL &@3's 9w7$6Ԟ=%X@k6VHlQX$I^/ꞅT+lIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-003.htm000066400000000000000000000056151455631435400254360ustar00rootroot00000000000000 CSS Test: Testing borders and padding on a horizontal flex container and its flex items
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-mbp-horiz-003.htm.png000066400000000000000000000005601455631435400262130ustar00rootroot00000000000000PNG  IHDR0&PLTEAIDATxi02@ hTT7_$hu3r$ݷoxñoX  IҫG `9@$]i$|m#ZuH @VMf )hu3rn3 @NfNsYQz^: 7`ZKtJGGXH $ I$](DXIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-order-from-lowest.htm000066400000000000000000000024461455631435400266150ustar00rootroot00000000000000 CSS Test: flex container layout starts with lowest order item

Test passes if the paragraph below reads 'First,Second,Third'.

Third

Second,

First,

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-order-from-lowest.htm.png000066400000000000000000000007601455631435400273750ustar00rootroot00000000000000PNG  IHDR h!YIDATx= 0<.t6"%gp3Pi@eyRIa09 H fNmS~txC: Y\GzazHO{)Ծ$$BIq@RC8!Қ?pmH\_ֵ##b+]}/~b`dBwh(A[9Cs) 4҃6[V߼Eyx;OD_̍@ $@ $@ $@^$s/-~az;BYIvV,nB-KlRo:aOB*#ols> ͥ$@v]=c27 $@ $@ /F?IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-order-only-flexitems.htm000066400000000000000000000026651455631435400273210ustar00rootroot00000000000000 CSS Test: order only affects flex items

Test passes if the paragraph below reads 'First, Second, Third'.

First, Second, Third
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-001.htm.png000066400000000000000000000003621455631435400272760ustar00rootroot00000000000000PNG  IHDR< ɷ PLTE:tIDATx̽ A1&C*,2YX ?.ͻøkJ)Jrltx<x<ZkEiz%ʇ[%{)y)%oW~x<x<x<x<x<3m_6IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-002.htm000066400000000000000000000037321455631435400265200ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a horizontal flex container, with 'align-items: center'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-002.htm.png000066400000000000000000000003161455631435400272760ustar00rootroot00000000000000PNG  IHDRjČ7PLTEP,8qzIDATx BA (@@k!0fosv!qk]VE ML&d2jё9RlљdNtW7L&d|f>&d25? m'W$;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-003.htm000066400000000000000000000035671455631435400265270ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a horizontal flex container, with 'justify-content: space-around'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-003.htm.png000066400000000000000000000002701455631435400272760ustar00rootroot00000000000000PNG  IHDRpU PLTEjgIDATx1AQE As(MS +^7k;kXgɡeY^Pf:BQEQVhm=EQEQEQEQEQtu{H ߊIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-004.htm000066400000000000000000000035521455631435400265220ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a horizontal flex container, with 'flex-wrap: wrap'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-004.htm.png000066400000000000000000000002641455631435400273020ustar00rootroot00000000000000PNG  IHDR%5 PLTEJ cIDATxʭ 0f0S0 )SÇ$y'//T]&^#3mZQEQE-](((((hT:f})IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-005.htm000066400000000000000000000037541455631435400265270ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a horizontal flex container, with 'align-content: space-around'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-horiz-005.htm.png000066400000000000000000000002411455631435400272760ustar00rootroot00000000000000PNG  IHDRV8t PLTEjPIDATxԻ 0 <icȎ!FT#l]FQtA+}][(M74)|P(tm?R@D3\IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-001.htm000066400000000000000000000037221455631435400263430ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a vertical flex container
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-001.htm.png000066400000000000000000000003151455631435400271210ustar00rootroot00000000000000PNG  IHDR7+g PLTE:t|IDATxԱ 0 Q-%=7PjcN#Raaa?:asLW{0 0 ðκwaU^1 0 0,]/a6tW 0 0 a{K1o(-YIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-002.htm000066400000000000000000000037351455631435400263500ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a vertical flex container, with 'align-items: center'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-002.htm.png000066400000000000000000000002751455631435400271270ustar00rootroot00000000000000PNG  IHDRj 7PLTEPPiIDATx C!A[H iف_S AI;.umgջEQEQEQP6T +qNcE(~lǾ((ռ zBJEQ+JvuIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-003.htm000066400000000000000000000035741455631435400263520ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a vertical flex container, with 'justify-content: space-around'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-003.htm.png000066400000000000000000000002551455631435400271260ustar00rootroot00000000000000PNG  IHDRcw PLTEj\IDATx! D4X"6G}s/raE0lELݰR[0ðXamû)]I !rmIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-004.htm000066400000000000000000000035571455631435400263540ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a vertical flex container, with 'flex-wrap: wrap'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-004.htm.png000066400000000000000000000002421455631435400271230ustar00rootroot00000000000000PNG  IHDR{5 PLTE)4QIDATxձ 0 A/ɒL h]}wݟcYeYeY܊r,˲V#eYeY=܊r,˲V{3joIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-005.htm000066400000000000000000000037611455631435400263520ustar00rootroot00000000000000 CSS Test: Testing 'overflow' property on a vertical flex container, with 'align-content: space-around'
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-overflow-vert-005.htm.png000066400000000000000000000002401455631435400271220ustar00rootroot00000000000000PNG  IHDRV PLTEjOIDATx Dэz۱%F8AM?f,n:t~ޫ9!l[x h9/#j1fIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-paint-ordering-003.htm000066400000000000000000000040331455631435400264420ustar00rootroot00000000000000 CSS Test: Testing that paint order isn't influenced by "order" for absolutely positioned flex children
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-paint-ordering-003.htm.png000066400000000000000000000002151455631435400272230ustar00rootroot00000000000000PNG  IHDR tGIWPLTE. BIDATx!0X$z+hD"H$D"H$D"H$D"H$D"H$@l~ \VvIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-root-node-001a.htm000066400000000000000000000022701455631435400255660ustar00rootroot00000000000000 CSS Test: Testing 'display:flex' on root node centered litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-root-node-001a.htm.png000066400000000000000000000002221455631435400263440ustar00rootroot00000000000000PNG  IHDR HPYIDATxб @ CQNclfƠP"_:wLgv;Ҍ+7̀vK ȑ# CSS Test: Testing 'display:flex' on root node centered litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-root-node-001b.htm.png000066400000000000000000000002221455631435400263450ustar00rootroot00000000000000PNG  IHDR HPYIDATxб @ CQNclfƠP"_:wLgv;Ҍ+7̀vK ȑ# CSS Test: Single-line flex containers should clamp their line's height to the container's computed min and max cross-size.
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-single-line-clamp-1.htm.png000066400000000000000000000006241455631435400274430ustar00rootroot00000000000000PNG  IHDR m8 PLTE<CIDATxA 0PL23Af pXS>7kb3jĈ#F1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5Fj1RcH#5gdM۩O}ۃA*X !-ڊIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-single-line-clamp-2.htm000066400000000000000000000026731455631435400266670ustar00rootroot00000000000000 CSS Test: Single-line flex containers should clamp their line's height to the container's computed min and max cross-size.
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-single-line-clamp-2.htm.png000066400000000000000000000006371455631435400274500ustar00rootroot00000000000000PNG  IHDR; PLTE怀WNIDATx1 PA$^s&Pм+~ȬIvwUL:!tTBGᎺ{ڝB{ \ )@p5QIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-table-fixup-001.htm000066400000000000000000000046301455631435400257410ustar00rootroot00000000000000 CSS Test: Testing that table cells in a flex container get blockified and each form their own flex item
cell1cell2
cell1t
cell1
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abc
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-whitespace-handling-002.htm.png000066400000000000000000000016061455631435400302230ustar00rootroot00000000000000PNG  IHDR;PLTESx2IDATxm@P)׀A l(8-':# >f."͒oe_&??jEKپnm}"v-Zn7h4Fh4Fh4Fh4Fh4amI m&q׊6AkU}ZDZb׹݂oBh4Fh4Fh4Fh4Fh ڒAڄMԻҊ6AkU}ZDZb׹݂oh4Fh4Fh4Fh4Fh4ڒAڻM]E_O6AZ[Vm"݆ur-u04Fh4Fh4Fh4Fh4F-7Z[iپnջ&mhM^'RwKOBh4Fh4Fh4Fh4FhڒA˷ӻ=Vjm}o[ntZ`ɵݒoh4Fh4Fh4Fh~K'A@`e"|p1}xPj_A#QCh4FSڜAu /ݾXk mVuHZ='ҭkM^'RwKɍh4Fh4Fh4Fh4Fh4m6'rUx{ ZTmN :vtyu/BU-m7ҭnωtZ`ɵݒor#4Fh4Fh4Fh4Fh4Fۥ͉L"Pu&h#IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-with-pseudo-elements-001.htm000066400000000000000000000035701455631435400276050ustar00rootroot00000000000000 CSS Test: Testing that generated content nodes are treated as a flex items
x
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x
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x
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox-with-pseudo-elements-001.htm.png000066400000000000000000000010141455631435400303570ustar00rootroot00000000000000PNG  IHDR<cPLTEIDATxq0aZ`@^w1yǙ;|t0B7f x*w㍹.O:Iy^\eru+4Nɲ>R [Qϛiv^bS:=gֳ쭫IOM{mY͓qj2#⽍ /V^딷#,30/ۓg/w^Ǽ5qJ+LFWޔf{9{J'*k^Ey-G#5Il8V_\^55@6nl7X CSS Test: Testing that generated content nodes are treated as a flex items, and honor 'order'
I
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filler
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one two three
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one two three
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one two three
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one two three
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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one two three four
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-N-shrink.htm.png000066400000000000000000000005601455631435400271010ustar00rootroot00000000000000PNG  IHDRƕPLTE˭怀 *IDATxAn0F\'p@dG؄&J\"9x:'#*""RS~!o{$$$$$7|w} %I&.umoIHVwz-Ig}k ιtO+v웳tjpKN7,䥠NiCtJMB=%Ib&j-T74NiR=?Zٖ.bnlOi{a_#$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$jw I n;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-N.htm000066400000000000000000000022731455631435400250250ustar00rootroot00000000000000 flexbox | flex: N N N
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-N.htm.png000066400000000000000000000010521455631435400256020ustar00rootroot00000000000000PNG  IHDRC0PLTE˭怀 *IDATx1nP\a>A.0= ?>-PŧM$I$IYz$d*H"d*H"d*H"d*?ٶl)L%wq/(YE2"yKV}|'PMì}{&$wUqjje:j5|lul}NΒfn'Xgޝ*\[r䴂dKV䰼MrOw2Ҫ!%=#C{ێrCЎ_%/̬?SS?I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$Iݒ_d(H"d*H"d*H"d*HzHz$I$I'-8PmeIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-Npercent-shrink.htm000066400000000000000000000023621455631435400277010ustar00rootroot00000000000000 flexbox | flex: N N N% | shrinking
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-Npercent-shrink.htm.png000066400000000000000000000005601455631435400304620ustar00rootroot00000000000000PNG  IHDRƕPLTE˭怀 *IDATxAn0F\'p@dG؄&J\"9x:'#*""RS~!o{$$$$$7|w} %I&.umoIHVwz-Ig}k ιtO+v웳tjpKN7,䥠NiCtJMB=%Ib&j-T74NiR=?Zٖ.bnlOi{a_#$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$jw I n;IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-Npercent.htm000066400000000000000000000023211455631435400264000ustar00rootroot00000000000000 flexbox | flex: N N N%
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-Npercent.htm.png000066400000000000000000000010521455631435400271630ustar00rootroot00000000000000PNG  IHDRC0PLTE˭怀 *IDATx1nP\a>A.0= ?>-PŧM$I$IYz$d*H"d*H"d*H"d*?ٶl)L%wq/(YE2"yKV}|'PMì}{&$wUqjje:j5|lul}NΒfn'Xgޝ*\[r䴂dKV䰼MrOw2Ҫ!%=#C{ێrCЎ_%/̬?SS?I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$Iݒ_d(H"d*H"d*H"d*HzHz$I$I'-8PmeIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-auto-shrink.htm000066400000000000000000000023511455631435400270710ustar00rootroot00000000000000 flexbox | flex: N N auto | shrinking
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-auto-shrink.htm.png000066400000000000000000000006171455631435400276570ustar00rootroot00000000000000PNG  IHDR_PLTE˭怀 *5IDATxMn0Gq'p@dGؤ 몕HQdgj)v@ $H YHs-{{䛶(y8xe$R#ɵr&;ٜìdzf5U0[9ir7% <3 IFO<6z=J/ flexbox | flex: N N auto
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N-auto.htm.png000066400000000000000000000010521455631435400263550ustar00rootroot00000000000000PNG  IHDRC0PLTE˭怀 *IDATx1nP\a>A.0= ?>-PŧM$I$IYz$d*H"d*H"d*H"d*?ٶl)L%wq/(YE2"yKV}|'PMì}{&$wUqjje:j5|lul}NΒfn'Xgޝ*\[r䴂dKV䰼MrOw2Ҫ!%=#C{ێrCЎ_%/̬?SS?I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$Iݒ_d(H"d*H"d*H"d*HzHz$I$I'-8PmeIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N.htm000066400000000000000000000022611455631435400246270ustar00rootroot00000000000000 flexbox | flex: N N
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-N-N.htm.png000066400000000000000000000010541455631435400254110ustar00rootroot00000000000000PNG  IHDRC0PLTE˭怀 *IDATx1nP\a>A@Px{}6,۽R4I$I$I3+u|RO$CLE2T$SLE2T$SLE2T$SLE2CclwvV%ܙK7A0_ZdD<ɗnGYW y=^y 6%N֩n6*~*IKNkIFdիJKD+,dw'[O6$rodv^vv۱#ݳz㒁UK21JH$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I|RO$CLE2T$SLE2T$SLE2T$SLE2Cכ$I$I$=ߧlF5)IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-auto.htm000066400000000000000000000022241455631435400252060ustar00rootroot00000000000000 flexbox | flex: auto
one two three four
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-auto.htm.png000066400000000000000000000010241455631435400257660ustar00rootroot00000000000000PNG  IHDR4N2 PLTESSFIDATx1N0a/} N} N!@jJ&y* $I_]݇mٞ)((((((6؇>O^s6aS[QoAzǒK,緼\R?v|!ն%gbvy<\x*BW\/SSEbYع:?};rYMoŒQPPPPPPlOQn$IQ]݇mٞ)((((((6؇>O^s6aS[QoAzǒK,緼\R?v|!ն%gbvy<\x*BW\/SSEbYع:?};rYMoŒQPPPPPPlOQn$Iw\IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-basis-shrink.htm000066400000000000000000000023701455631435400266350ustar00rootroot00000000000000 flexbox | flex-basis: percentage, flex-shrink: +integer
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-basis-shrink.htm.png000066400000000000000000000007041455631435400274170ustar00rootroot00000000000000PNG  IHDRVPLTE˭怀 *jIDATx1n@\>Ad_ 4;6nx~4 ͧ7I$ITl?mA.|$_$"I(9 mS[{[7a>I.T~ Hn^d$Ufcĩ52O1sTۗP/d6|=Nfɢ,N2~Wr\!VHk$?+閗SDQ/WI_jsH*vT,eoUsYV%5k*OmHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHnt$_$"IHGIl7I$IJ/ f9'~IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-basis.htm000066400000000000000000000023561455631435400253450ustar00rootroot00000000000000 flexbox | flex-basis: percentage
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-basis.htm.png000066400000000000000000000007571455631435400261330ustar00rootroot00000000000000PNG  IHDR qPLTE˭怀 *IDATxձ@@QZΡ A&>/ֆY/FiYI$I$}Bm4kϵ[$H A#A $Hȶ9:]r]\g%ۜĭ/!AbxDk͡q#.Y#qntCyN3߾ }G?M 墳ĤQ'gwP&ߏCg e%Hl꿘$CbYiw߈q*KcZşDkd%N\! $H A $H A $H A $H A $H A $H A $H A $H A $H A $H A $H|zkH A $H A Kٖ>$I$I7 ɞ$IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-initial-2.htm000066400000000000000000000022501455631435400260250ustar00rootroot00000000000000 flexbox | flex: initial
one two three four
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-initial-2.htm.png000066400000000000000000000011051455631435400266060ustar00rootroot00000000000000PNG  IHDR4K; PLTESSFIDATxձM@a7L>o H z X)Rp yij|W?S7CS_LR?ﮕ2o_7Ey;>^z8i߯=IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIS9JʈQRF2bTI$w5xwk()FI1JʈQWyvߘUy[lgT4]˔Ly\)}5gb+)ʡ/RCwY/</nx=[o4מ쩌%e()#FI1}*k$IԵ7s/tIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-initial.htm000066400000000000000000000022421455631435400256670ustar00rootroot00000000000000 flexbox | flex: initial
one two three four
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-initial.htm.png000066400000000000000000000007301455631435400264520ustar00rootroot00000000000000PNG  IHDRr4LKP PLTESSFIDATx10q79MKS@A{ʅ "2YE,>O~Bb!F+mqm[t?~Js1/q6e8?8LZ5'xJMI9Gt.!}z>vf,wkFe7_tttttttttttttttttttttttttttttzok\!UttttON{zحXԟg?9嘗eVhmE-h<ӦMKуOO^>_b?W{s;y3vT;5C/:::::::::::::::::::::::::::::ZFѷյR.BA I2@AIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-natural-mixed-basis-auto.htm000066400000000000000000000025571455631435400310660ustar00rootroot00000000000000 flexbox | flex: larger integer, mixed basis, auto
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litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-natural-mixed-basis-auto.htm.png000066400000000000000000000006141455631435400316410ustar00rootroot00000000000000PNG  IHDR@PLTE˭怀L5IDATxiPѴ+;|Lč"&a$IzsMpOI>;k5GLՕ/]ԯ_]и}_潾- Zϥ/h.}A{uEH_s9Qm倎DzWЯ~juM @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @$I^'{aQ8IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-natural-variable-auto-basis.htm000066400000000000000000000023711455631435400315370ustar00rootroot00000000000000 flexbox | flex: larger integer, auto basis
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-natural-variable-auto-basis.htm.png000066400000000000000000000007261455631435400323240ustar00rootroot00000000000000PNG  IHDR<>}PLTE˭怀mPIDATxm@@QZ *@)Bfў|iH$(>y.C]G]w$Nu$ݐ E޻$"83gv<[J"8]Đg 3} }ĽJ̽Dh'3gx*Jbİ@D"$rS$K$󿘫KJ1~#fc.7K.o9l8ulHu{E $H A $H A $H A $H A $H A $H A $H A $H A $H A $H A $H A $H A $H A $H A $HD|zI}>܀IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-natural.htm000066400000000000000000000025061455631435400257070ustar00rootroot00000000000000 flexbox | flex: larger integer
one two three four
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-natural.htm.png000066400000000000000000000021071455631435400264670ustar00rootroot00000000000000PNG  IHDR24*PLTE˭怀 *IDATxձmAQ0"ԁ 5 *9gKޙ ,~ 6#}$I$I$IJYe_ ȤF&52ILjdR#ȤF&52ILjdR{ޛ87Nd||e.:2Ud"e';CfTƼo8[d>6K:}:rit=d6۴&4L]viۙ_*cigȬ3eoLտ. 2]O_w2!COPuߘqȜwܧEfmE}dk<㺜!Ӵ*4մ"4a!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C?y~UR/dB#ȤF&52ILjdR#ȤF&52I!SI$I$Iض è[\@@3Q%xLtֿJ <(g2ILjdR#ȤF&52ILjdR#Ȥ95~ns ]ɐy86\u|3dD\Ov̐:yۦǁSq|T-mut44.f{l&iۙMfiܙӶ3?UTL9ΐYgʴfw]f/!Td?LOsenCL̡갿19WOZ۲T-t|xu9CiU~iiE~i C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C 2dȐ!C.ɄF&52ILjdR#ȤF&52ILjdR#C7I$I$I$M܆jFnIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flex-none.htm000066400000000000000000000022241455631435400251750ustar00rootroot00000000000000 flexbox | flex: none
one two three four
one two three four
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one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-reverse-wrap-reverse.htm.png000066400000000000000000000005021455631435400324150ustar00rootroot00000000000000PNG  IHDRRn^ PLTESSFIDATxԱm0Fa6q O&%2\O-)C%.C`zpa*DD5Yv]16Q#gQSQSRjзZWgo;{?ԑfsr"Vo\]ضvͿgھ*7dZWW{~g-Ug_ב;@EEQGஅ.~DZdIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-reverse-wrap.htm000066400000000000000000000021741455631435400301700ustar00rootroot00000000000000 flexbox | flex-flow: column-reverse wrap
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-reverse-wrap.htm.png000066400000000000000000000005041455631435400307460ustar00rootroot00000000000000PNG  IHDRRn^ PLTESSFIDATxԱq0 Fa6\SIX"SH2T&w ]s{OX.DD~ 5YN]:jd."v_]LR=z׾]]maeZ2T=:X ̭\EEE}&udTnw:7=zjbեesS}_Rj٣VZomk8b*70FPQQ#CEEEEV}pBDDI}?~P9IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-wrap-reverse.htm000066400000000000000000000021541455631435400301660ustar00rootroot00000000000000 flexbox | flex-flow: column wrap-reverse
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-wrap-reverse.htm.png000066400000000000000000000005061455631435400307500ustar00rootroot00000000000000PNG  IHDRRn^ PLTESSFIDATxԱm0Fa6q O&%2]O-)CFP<"dA~} F;wU߿O-|">&:[6u1uZ*~U/iojjʞ6-uΚU/;tIskQKZ|"zL}L[UT{\WbVS?ۨ~}۪U1Z16**************YT߹{""Az\ IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-wrap.htm000066400000000000000000000021041455631435400265100ustar00rootroot00000000000000 flexbox | flex-flow: column wrap
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-column-wrap.htm.png000066400000000000000000000005071455631435400273000ustar00rootroot00000000000000PNG  IHDRRn^ PLTESSFIDATxԱm0Fa6q O&%2UO-)CFQtFt-4 e;wR_? [/Ed(Ūmة.:~JmzLR}mYKT]~S/5z flexbox | flex-flow: row wrap-reverse
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-row-wrap-reverse.htm.png000066400000000000000000000004731455631435400302650ustar00rootroot00000000000000PNG  IHDRRi PLTESSFIDATxԱ@ MԁUlr9UM\0ƒ8PB!\*TPzg.Z-}E%N*FJNu}VcjuCMn'11ʻ:<~J3Ƨ~Pc6TPB *T1ꐶ; flexbox | flex-flow: row wrap
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_flow-row-wrap.htm.png000066400000000000000000000004731455631435400266140ustar00rootroot00000000000000PNG  IHDRRi PLTESSFIDATxԱ@ MԁUlr9UM\0ƒ8PB!\*TPzg*jwUG%m2/q flexbox | flexcontainer via generated content
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_generated-flex.htm.png000066400000000000000000000003611455631435400267570ustar00rootroot00000000000000PNG  IHDR RX PLTE3f}7mIDATxձ@DQ7k 'D b0ǣ}Zv$iYcA/aAI $-@I $Bi dw恬r|:6Rs#5oRd3I $-@I $- cA$Iz> b IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_generated-nested-flex.htm000066400000000000000000000017471455631435400274650ustar00rootroot00000000000000 flexbox | flexcontainer via generated content
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_generated-nested-flex.htm.png000066400000000000000000000003611455631435400302370ustar00rootroot00000000000000PNG  IHDR RX PLTE3f}7mIDATxձ@DQ7k 'D b0ǣ}Zv$iYcA/aAI $-@I $Bi dw恬r|:6Rs#5oRd3I $-@I $- cA$Iz> b IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_generated.htm000066400000000000000000000017421455631435400252440ustar00rootroot00000000000000 flexbox | flexcontainer vs generated content

FAIL

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_generated.htm.png000066400000000000000000000003731455631435400260260ustar00rootroot00000000000000PNG  IHDR P PLTE3fܩIDATxѱ F,%I `pDDr flexbox | GCPM bottom float

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-bottom-float.htm.png000066400000000000000000000002431455631435400274270ustar00rootroot00000000000000PNG  IHDRdQ8 PLTE3f .UIDATxͱ DQKZҔ5r+$iV/@ @ 9ɀ@ @ >(IuDIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-clear.htm000066400000000000000000000020351455631435400253240ustar00rootroot00000000000000 flexbox | cleared item
filler
Yellow box should be to the right of the blue box, and never below
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-clear.htm.png000066400000000000000000000012541455631435400261110ustar00rootroot00000000000000PNG  IHDR < PLTE3f:( [IDATxQn0{(9ɪ1;Zi;`F6'?$xC7B!1vEРA"hP A4(Ǐ^9vȡ^$Ru"5"r} |_Cd\3?1PW!sZsUgUHˬ"E.BlIE,Ux-*K+"vXkjoEJg*dvo*b[\UE=`"hj)HfZ$$2HklR5O[?tCmj\3%-[Z=i =&m elH*؁?1PA4(EРA"hP A4(EРA"hP A4(EРA"hP A4(EРA"hP A4(EРABy?.atkIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-float.htm000066400000000000000000000017151455631435400253470ustar00rootroot00000000000000 flexbox | floated item
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-float.htm.png000066400000000000000000000003401455631435400261230ustar00rootroot00000000000000PNG  IHDR  PLTE3f .IDATxϡ @QIĠЄyOnֹ1!5BjR#FH!5BjR#FH> "D!B"D!B"D!BBv$FH!5BjR#FH!5BjyZD;uIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-top-float.htm000066400000000000000000000017231455631435400261460ustar00rootroot00000000000000 flexbox | floated item

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-top-float.htm.png000066400000000000000000000002431455631435400267250ustar00rootroot00000000000000PNG  IHDRdQ8 PLTE3f .UIDATxͱ DQKZҔ5r+$iV/@ @ 9ɀ@ @ >(IuDIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-vertical-align.htm000066400000000000000000000022561455631435400271440ustar00rootroot00000000000000 flexbox | vertical-align

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_item-vertical-align.htm.png000066400000000000000000000003201455631435400277150ustar00rootroot00000000000000PNG  IHDRjr3 PLTE3fQtw~IDATx1 @Dx͙@ :0L@-l>$n#~ڦ%- 666l~^_lllllllllllllllllleƖsۈ7I*:) IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-center.htm000066400000000000000000000023421455631435400276510ustar00rootroot00000000000000 flexbox | justify-content: center
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-center.htm.png000066400000000000000000000006471455631435400304420ustar00rootroot00000000000000PNG  IHDRHFRPLTE˭jZPIDATxANPa0 @ 4\*N nô|t +I$ItEOڒNu"'9y~/>N4nZ_ϛ.?s#9~ۈuyߜDtf6͇qZ７;sϜ{@-%XVx w~\\> 7].a7}.OӴ~ʧENNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN~9yDN^'r:[ZI$I`#sA2~IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-flex-end.htm000066400000000000000000000023541455631435400300760ustar00rootroot00000000000000 flexbox | justify-content: flex-end
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-flex-end.htm.png000066400000000000000000000006461455631435400306630ustar00rootroot00000000000000PNG  IHDRHFRPLTE˭jZOIDATxANPa0 @ 4\*NIW}5-|t I$IE~O/ړNu"'9y_z;'4u凜|y)O|M|\"k?.EOi;7}5gΚwK#;o}~1C>n㍻Kw1|>2qUDN^'r:׉NF$I$=D_p#sUIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-flex-start.htm000066400000000000000000000023731455631435400304660ustar00rootroot00000000000000 flexbox | justify-content: flex-start
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-flex-start.htm.png000066400000000000000000000006511455631435400312460ustar00rootroot00000000000000PNG  IHDRHFRPLTE˭jZRIDATxQNPa0PX ߊSR4Mq?N[)N$I$m֗Sm"'9yDNާemYo3;z'}V~? GN^!ɹS ?F<+}CĐcJ4_Qyc:s,߯ ֒Gl[x DmӐ;^O{hskw{mYeoU#'9yDN'r>}ˣ[;I$I>#sz7IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacearound-negative.htm000066400000000000000000000024241455631435400324760ustar00rootroot00000000000000 flexbox | justify-content: space-around / negative
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacearound-negative.htm.png000066400000000000000000000005471455631435400332650ustar00rootroot00000000000000PNG  IHDR)&PLTE˭jZIDATxQJ@^a49@=@ ^ B'!>X!n i~:K(=H$C:*******^ޮxYӸUmCUO|)PuMg*oiڈ1yTu9/SzWjU 9TUD]U|ZQUN flexbox | justify-content: space-around | single item
one
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacearound-only.htm.png000066400000000000000000000003461455631435400324410ustar00rootroot00000000000000PNG  IHDR PLTESSFIDATxԱ 0EQ7 YiR|/4))AԴ֋s=$I~gzt:N?h_}=st:Nt:Nt:Nt:Nt:NNy5It> flexbox | justify-content: space-around
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacearound.htm.png000066400000000000000000000006511455631435400314610ustar00rootroot00000000000000PNG  IHDRHFRPLTE˭jZRIDATxQNPa0PX ߊSR4Mq?N[)N$I$m֗Sm"'9yDNާemYo3;z'}V~? GN^!ɹS ?F<+}CĐcJ4_Qyc:s,߯ ֒Gl[x DmӐ;^O{hskw{mYeoU#'9yDN'r>}ˣ[;I$I>#sz7IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacebetween-negative.htm000066400000000000000000000024311455631435400326350ustar00rootroot00000000000000 flexbox | justify-content: space-between / negative
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacebetween-negative.htm.png000066400000000000000000000005511455631435400334210ustar00rootroot00000000000000PNG  IHDR1PLTE˭jZIDATxQJ@^a9@=@ ^ U, aStؗP>6z$IR{E+}= flexbox | justify-content: space-between | single item
one
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacebetween-only.htm.png000066400000000000000000000003511455631435400325760ustar00rootroot00000000000000PNG  IHDR PLTESSFIDATxԱ 0EQ7 YiR|/4))ATi'%z#KOI36Bm?t:>Unt4}zW_:.|mt:Nt:Nt:Nt:Nt:NDt:N#$I [uIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacebetween.htm000066400000000000000000000024021455631435400310330ustar00rootroot00000000000000 flexbox | justify-content: space-between
one two three
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_justifycontent-spacebetween.htm.png000066400000000000000000000006531455631435400316240ustar00rootroot00000000000000PNG  IHDRHFRPLTE˭jZTIDATxQNPa0PX ߊӦ/m955qrj>Nv$I$iEju$'/9yDN^'r:?_2?nzs7wߓב]/G\i(?F<[{?.aɏi{oq٢|k%[|O nu8 v{oOԇxs5]>/rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrȫDN^'r:׉NuGv$I$i}/#sIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin-auto-overflow.htm000066400000000000000000000021301455631435400273620ustar00rootroot00000000000000 flexbox | margin: auto in overflow
one two
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin-auto-overflow.htm.png000066400000000000000000000005341455631435400301530ustar00rootroot00000000000000PNG  IHDR; PLTE 5# IDATxձm0Q6q"Ҽ؁>uV`L: Qq>`[w$I$IWT=#ȶSSSSSSSSSSSSSS=r0,ߙIMC(sK)uߓ볝ꏬzwTOLcb/K0555555555555555555555555555555555555555555555555555555555555555555555555555555ۑm95555555555555pψZ$I$//(IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin-auto.htm000066400000000000000000000017771455631435400255410ustar00rootroot00000000000000 flexbox | margin: auto
one two
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin-auto.htm.png000066400000000000000000000004251455631435400263110ustar00rootroot00000000000000PNG  IHDRip PLTESSFIDATxԽ a6HxxS".~tzhxQ8 H$//pSlO˶Xb {))ŒC.kY\/(@qm*sLH?8EۊoEAAAAAAў"/$IwX 6g~IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin-left-ex.htm000066400000000000000000000021031455631435400261150ustar00rootroot00000000000000 flexbox | margin-left: auto
onetwothreefour
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin-left-ex.htm.png000066400000000000000000000005301455631435400267020ustar00rootroot00000000000000PNG  IHDRip PLTESSF IDATx1V0.Ar Oŝ!(\Sڢ>@|XHG:H$xz]g TLwVMm+ce ;lSq)yc^KqC,%{g-yiAx~E1\*R^TR+X/(ͩ1}~b(((((((OQVn7H$u [ΪpIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin.htm000066400000000000000000000015261455631435400245630ustar00rootroot00000000000000 flexbox | margins
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_margin.htm.png000066400000000000000000000001721455631435400253420ustar00rootroot00000000000000PNG  IHDR `ͻ+4AIDATx 7 *FhD"YJ"H$D"H$D"H$俤N"H$ *ɘIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_nested-flex.htm000066400000000000000000000016671455631435400255320ustar00rootroot00000000000000 flexbox | nested flexcontainer

xxx

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_nested-flex.htm.png000066400000000000000000000003611455631435400263030ustar00rootroot00000000000000PNG  IHDR RX PLTE3f}7mIDATxձ@DQ7k 'D b0ǣ}Zv$iYcA/aAI $-@I $Bi dw恬r|:6Rs#5oRd3I $-@I $- cA$Iz> b IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_object.htm000066400000000000000000000017501455631435400245530ustar00rootroot00000000000000 flexbox | object fallback as a flex item
this is supposed to be a flex item

this is supposed to be a flex item

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_object.htm.png000066400000000000000000000006041455631435400253330ustar00rootroot00000000000000PNG  IHDR f PLTE3f4.3IDATx[n0 EgI#;H%RR?(G+_Tyc#r\1 &ݕÿ _C JVqJb0$n7@.@:ڬg @6%WzEbx/c5 %#?Pxa#)FH5ᨹ֏nʊ#]vd8Ul97T#Tji4u(M ۴zd97T#J  lz=3A/ p.Dՙsv3ELA>1p89؟1pp TA^.r qˎIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_order-box.htm000066400000000000000000000021761455631435400252110ustar00rootroot00000000000000 flexbox | flex-flow: column-reverse wrap-reverse; order
one two
three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_order-box.htm.png000066400000000000000000000006521455631435400257710ustar00rootroot00000000000000PNG  IHDR w}) PLTE 5#YIDATxձn0q{-} ٯC>̝ۧc+RZ%6.Nv~28Ax x x 6 9ma'uX<_m{v2^  @MBak̍ 0ٕOˉ!]3[d I{m ;$L~ LAryXRfnۨYLn0$, V/D @YIJ2 @ @lrRNj Ҁx x x xk]q衽Ģ'RRIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_order-noninteger-invalid.htm000066400000000000000000000022211455631435400302040ustar00rootroot00000000000000 flexbox | flex-flow: column-reverse wrap-reverse; order

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_order-noninteger-invalid.htm.png000066400000000000000000000001341455631435400307700ustar00rootroot00000000000000PNG  IHDRf(2#IDATxA /=X/1c1lM=t5tIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_order.htm000066400000000000000000000025141455631435400244170ustar00rootroot00000000000000 flexbox | flex-flow: column-reverse wrap-reverse; order
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_order.htm.png000066400000000000000000000006641455631435400252060ustar00rootroot00000000000000PNG  IHDRRXqPLTE ]IDATx[JPC35 h,vJP'TPʙ4߇C^81FDDDD#=j7 EtH"ERHj)R!Ez)}:z/kk<~!u8I͚n9Mta3ΖgגoJo Ė5Kٚt&- M"E)IUC)R"ET;H")RHCR|* /e}܃OU"=j!ݛq۹&}t&鬌?i4&mKc駽OԼҲ#E)RHUC)R"ETdTgIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-abspos.htm000066400000000000000000000020351455631435400253630ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: abspos

filler

filler

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filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-abspos.htm.png000066400000000000000000000001641455631435400261470ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-fixpos.htm000066400000000000000000000020311455631435400254000ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: fixed

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-fixpos.htm.png000066400000000000000000000001161455631435400261650ustar00rootroot00000000000000PNG  IHDRt&IDATxU1@0Ks?IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-float.htm000066400000000000000000000020231455631435400251760ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: float

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-float.htm.png000066400000000000000000000001641455631435400257650ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-inline-block.htm000066400000000000000000000020621455631435400264420ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: inline-block

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-inline-block.htm.png000066400000000000000000000001641455631435400272260ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-caption.htm000066400000000000000000000020661455631435400266220ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: table-caption

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-caption.htm.png000066400000000000000000000001211455631435400273730ustar00rootroot00000000000000PNG  IHDR [GYIDATx10bchIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-cell.htm000066400000000000000000000020521455631435400260770ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: table cell

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-cell.htm.png000066400000000000000000000001641455631435400266640ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-row-group.htm000066400000000000000000000020761455631435400271270ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: table row group

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-row-group.htm.png000066400000000000000000000001641455631435400277060ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-row.htm000066400000000000000000000020461455631435400257720ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: table row

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table-row.htm.png000066400000000000000000000001641455631435400265540ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table.htm000066400000000000000000000020261455631435400251630ustar00rootroot00000000000000 flexbox | flexcontainer versus stf :: table

filler

filler

filler

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_stf-table.htm.png000066400000000000000000000001641455631435400257470ustar00rootroot00000000000000PNG  IHDR<};IDATx!0T2+(((((((((XGJ<{*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_visibility-collapse-line-wrapping.htm000066400000000000000000000022761455631435400320520ustar00rootroot00000000000000 flexbox | visibility: collapse and line wrapping

filler

filler

FAIL

FAIL

filler

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_visibility-collapse-line-wrapping.htm.png000066400000000000000000000006131455631435400326260ustar00rootroot00000000000000PNG  IHDRZ PLTE3f?=IDATxձ 0J!h /}&q)ޔqTA2~:v…&\p_\5kmGjͳMMW\Q|ȫXNcZ]/ԗ+uZtK0q_)s ]dS_pI\؁ .p.\|… Op .\>…'\p .p.\|… OpUӱ}k< tΥjėJ1=RM}RJEWS2`5ѺK6e5ĵp .\>iOǬˈ.IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_visibility-collapse.htm000066400000000000000000000020251455631435400272700ustar00rootroot00000000000000 flexbox | visibility: collapse

filler

FAIL

filler

litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_visibility-collapse.htm.png000066400000000000000000000004761455631435400300630ustar00rootroot00000000000000PNG  IHDR RX PLTE3f?IDATxi0aV"V}48㫞f,ftA"e>K,!BK-!BK-!BK-!uFH3cYO ұ9v\H ӲTKz6CgR32+! flexbox | flex-wrap: wrap / long items
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_wrap-long.htm.png000066400000000000000000000005241455631435400257740ustar00rootroot00000000000000PNG  IHDRRmJ PLTESSFIDATx1N@ @i|%r4[ؗI=d a$igMfQVI}U]n ٺE=eWQϦ TJw*********Ҏ^~1.[]1u}nM]쳵gUQUͰ2Tmݻǫsr^-o9PI9QQQQQQQQQQsԥ7&3un&=Ŕ>VģR@!52TTTTgՃ;5""JdyIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_wrap-reverse.htm000066400000000000000000000020441455631435400257240ustar00rootroot00000000000000 flexbox | flex-wrap: wrap
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_wrap-reverse.htm.png000066400000000000000000000004731455631435400265130ustar00rootroot00000000000000PNG  IHDRRi PLTESSFIDATxԱ@ MԁUlr9UM\0ƒ8PB!\*TPzg.Z-}E%N*FJNu}VcjuCMn'11ʻ:<~J3Ƨ~Pc6TPB *T1ꐶ; flexbox | flex-wrap: wrap
one two three four
litehtml-litehtml-6ca1ab0/test/render/flex/flexbox_wrap.htm.png000066400000000000000000000004731455631435400250420ustar00rootroot00000000000000PNG  IHDRRi PLTESSFIDATxԱ@ MԁUlr9UM\0ƒ8PB!\*TPzg*jwUG%m2/q flexible box flex item float effect

'float' have no effect on a flex item.

The test passes if there is a green square, a blue square and no red square.

 

 

 

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A
B
C
litehtml-litehtml-6ca1ab0/test/render/flex/flexible-order.htm.png000066400000000000000000000002701455631435400252400ustar00rootroot00000000000000PNG  IHDRh l PLTE~gIDATxԱ 0 DQ6tB2S (΅e&r]e&kM5Zj\iP֩A#-ꭅW'mZ՚H;LFZ4(4<IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/item-with-table-with-infinite-max-intrinsic-width.htm000066400000000000000000000026661455631435400332350ustar00rootroot00000000000000 Flex item with table with infinite max intrinsic inline size

Test passes if there is a filled green square.

   
litehtml-litehtml-6ca1ab0/test/render/flex/item-with-table-with-infinite-max-intrinsic-width.htm.png000066400000000000000000000010771455631435400340130ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxQn0 nRzSrf(;݇J  yl%6ܣr{);zZrJBļ H4Hmք"^"QoR{vD^>}nc!}O3H"P1OZguz:\lAΪ~K!Uh7"~ /@^~W/ DD@D D@D D@D D@Df[lE>>?>wDD@D D@D D@Df[lEza ""j "j "j "j "j "j "j "j "j "j "j "j "j "j "j "j lCIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/justify-content_center.htm000066400000000000000000000033371455631435400262660ustar00rootroot00000000000000 CSS Flexible Box Test: justify-content_center

Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in middle of red rectangle.
3. equal amounts of empty space between the left edge of the red rectangle and ractangle 1 and between the right edge of the red rectangle and rectangle 3.
4. the height of the 1, 2, 3 is the same as the height of the red rectangle.

1
2
3
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Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in right of red rectangle.
3. 3. the height of the 1, 2, 3 is the same as the height of the red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/justify-content_flex-end.htm.png000066400000000000000000000040701455631435400272660ustar00rootroot00000000000000PNG  IHDR 0PLTEAi]ߟIDATxG Pվ^6[5 ?a ?ظ[c@pxv(0Wtp>:{{T}:L Vy^Yrj] G˧tQgeʂXO̖p,%!o U(B^"u!7sVR(SeJS~^S#d$c@1 !˴q c8fpFVhK'(sD.o!!B!BdLRTCa]~%%uE./?q0빋ԍwb<yݢsl3)z67M\Q8<"ϧ1wǻKh#Cݑ{Ezj_iQBܶ; !ܾ>%dY _\~ ZyGmޱxi,S?R2- l]je.Yߎ[OS8!<Ϊe]O َV!W|\-E'.롍skϫ1H89e+Aν<&c#=^="z{-:6 }2ޝwZ ]WkۨJn ߼3xrw}:s:jx4Ƨ@ra=B~iBhNOawEt538Pi[IIjn˸l1#1Te*&s&YrGy9~O?7|\'!O]P-s=/wOH~/}C? ğ1Ty:.AJceT}Zj-Da !BJL/ƧPgY$~Ŷ.x!8%D}0Ƨ@rWm c+d#'ex9`Gr6?wD ʲ=!i!KBb}VO9c壋K%oL|BDkRSx!!q1fRC)y>F8gcBi Q7 2/$i +k{#ʡez(:S~.tY9턴T.jNV?cRb{y~5r9-1v`n sGOX7}5_oͧ( bkBH !")$T!KBQB5!7AH' g`ʪ$'; B!+?DP!\`|@ # m@H?!$P%RV~CH/No}Uw7t!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc CSS Flexible Box Test: justify-content_flex-start

Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle and no gap between them.
2. the rectangle 1, 2, 3 appear in left of red rectangle.
3. the height of the 1, 2, 3 is the same as the height of the red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/justify-content_flex-start.htm.png000066400000000000000000000040471455631435400276610ustar00rootroot00000000000000PNG  IHDR 0PLTEAiy&IDATx앋( P%pUGU0vngk<,x~:*8~?ʼn*>wf=Vy^Yrn]'66lO*ʗOH˔! $5!""%!H'DH]5GA;"ƖʔvrT!AF2BlL+G@;#ik tbz:ΥBȩLAW!D;A{WȩBdLRLqӮIq\MIj]nb:<LJܾJ]z^-<6*=#OCFzzW.zzT+!"(1ͣi{cĒwHaPs%#s=/iQB݆ܺ>;U;B}&}J/8ɺ@jү6 V{Gm޶x 8\H|v .x5be 9Zxeʯ;;Sη)wt :Kz-;Arq{6zXԼmN!Ľ#7O"#bS vNjJR crj<~s|wr*iܜٿ`rkG 9|K:SsGz8ykY޹n9+^I] hbiaSiF8R1R ! )d?Q<+dDJޝszqf+)$_SyJ;!- y'U9V]O}y^F5[?6g 0WxupߚK1>[!ƀc2_%_ O1!V襬FHv!c!Ob!B}A B O_H9 2> 2> O! BS|I!KPA<5_1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1B!ƀc@1 b 1.BG477#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#o3IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/justify-content_space-around.htm000066400000000000000000000034131455631435400273620ustar00rootroot00000000000000 CSS Flexible Box Test: justify-content_space-around

Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle.
2. the rectangle 1, 2, 3 are distributed such that the empty space between any two adjacent rectangle is the same, and the empty space of the row before the first and after the last rectangle are half the size of the other empty spaces.
3. the height of the 1, 2, 3 is the same as the height of the red rectangle.

1
2
3
litehtml-litehtml-6ca1ab0/test/render/flex/justify-content_space-around.htm.png000066400000000000000000000057611455631435400301550ustar00rootroot00000000000000PNG  IHDR PPLTEAi]ߟ IDATxUu*54;Su?+B# '^qlYp8p8p8O$l_wYB9. j/zA}. 6wD*Cy(p|4% y`Ōq4ǽ6q !j|pKcQ:k9_ҩCH"l;5zqdHaB%1Сwjt+- xJct;N>MBn۫X:BήZrnzsi5}x-qHB^h޼z}x8 -6NB' o On*Bp8F_amkwr`CZkC/W{}"r>!"Gǃ^bN+t~B IbR I29Ţ~*@skq^͵7&רUx=?4qϗӌ7,˂f $9Rǒ@f2y,/kJ^ E9CB:Ղ~q@Hi磉moƀMG7%g[ů>72D$KicLٖ˗`6Oj:>!>_}&$UKsx;7B2fmBJ k-{Cu $_:7KȢnyH2oMzbknMH+U!BZg8ӻ1,dVpB&2ZB~C INu!; \EC/'qVv )8!Wq < 'd2\ ~ \yB@ByB@gp.'& dĆ %D y !%+|8!VcQ|8!L'd28! NdpB&2L'd28! NdpB&2L'd2 !gH` o #$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$FH!1Bb#$Fȃk[b+B:KLIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/justify-content_space-between-001.htm000066400000000000000000000034641455631435400300270ustar00rootroot00000000000000 CSS Flexible Box Test: justify-content_space-between

Test passes if:
1. the rectangle 1, 2, 3 show up in a row in a red rectangle.
2. No gap between the left edge of red rectangle and the left of rectangle 1, no gap between the right edge of red rectangle and the right of rectangle 3 too, and rectangle 2 is distributed so that the empty space between rectangle 1 and rectangle 3 is the same.
3. the height of the 1, 2, 3 is the same as the height of the red rectangle.

1
2
3
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Test passes if there is a filled green square with scrollbars and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/layout-algorithm_algo-cross-line-001.htm.png000066400000000000000000000014171455631435400312160ustar00rootroot00000000000000PNG  IHDR 6- PLTEE1IDATxan:ao@'G`ow)r6vƀP"Ϣh2rF^8lםVbVg-H &$$ga3^B־-Vz+s̱}<ȼry~+x3zUYV+Ȳ<Ðz}ǽ-qx?mۖlr^ߏhgV[kϱ9Z >WH|oB Rwdcx>C2 NHnݵ-n-xۘ $̏'iθAbww$|-> Km>;Rg==h^QqkC51!Sk)ϙkmK=FϟxO CSS Grid Layout Test: cross size determination with overflow:scroll

Test passes if there is a filled green square with scrollbars and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/layout-algorithm_algo-cross-line-002.htm.png000066400000000000000000000014171455631435400312170ustar00rootroot00000000000000PNG  IHDR 6- PLTEE1IDATxan:ao@'G`ow)r6vƀP"Ϣh2rF^8lםVbVg-H &$$ga3^B־-Vz+s̱}<ȼry~+x3zUYV+Ȳ<Ðz}ǽ-qx?mۖlr^ߏhgV[kϱ9Z >WH|oB Rwdcx>C2 NHnݵ-n-xۘ $̏'iθAbww$|-> Km>;Rg==h^QqkC51!Sk)ϙkmK=FϟxO CSS Test: flex container multiline wrapping-reverse in column-reverse direction.

3-1

2-2

2-1

1-3

1-2

1-1

litehtml-litehtml-6ca1ab0/test/render/flex/multi-line-wrap-reverse-column-reverse.htm.png000066400000000000000000000031261455631435400320030ustar00rootroot00000000000000PNG  IHDR , PLTEzv$IDATxսmA3$QT`, /Gޏj64M4M4M4H*⇭(1ClQq^ׯ/sW1m! ׽U s+l!.#9 dV qewzewUAjR,!.J ^>!㾲d, r<Riz쿊~,s~{+k;bbR !B@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈ 1* R )HA R & Q(lPAn)U9e 2V "{C9o{9 *"`G؃X X|?^wRث) Q(lDAF Q(lDAF Q(lDAF Q(lDAF Q(lDAF Q(lDAF Q(lDAF )HA R )HA RV1F_(c)׏ߏ?:i  |>IbC ŬP?Z짘}(c7醌P<<iA B ½  T<}^{ (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a# (6 P؈@a#&1S )HA R )HA 2&(6bTuZ)짘丂WCa?Ť |u( CSS Test: flex container multiline wrapping-reverse in row-reverse direction.

3-1

2-2

2-1

1-3

1-2

1-1

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1-3

1-2

1-1

2-2

2-1

3-1

litehtml-litehtml-6ca1ab0/test/render/flex/multi-line-wrap-with-column-reverse.htm.png000066400000000000000000000011741455631435400313040ustar00rootroot00000000000000PNG  IHDR!,T PLTE#.IDATxJ PۀU">g~^ My%B0W&x4C!"""5|l㝬-I#擐%%5)Yf)k?"k3)F-/iIJ.]qdo{vyIK9i{?#{&?~3-Ը]GZukdoK,!s 2[-̘d%QmCrQA ɱVle$vEI9i{?5$KTe$G vF$ ɿ& $$$$$$$7<%H=b>Cr3i乴~,QA$9&cr#I[]$$$$$$$$$$$$$$$$$$$$$Q %6>$K$ːkVF2oW,%s&u$u&d;|m,/}IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/multi-line-wrap-with-row-reverse.htm000066400000000000000000000034261455631435400300350ustar00rootroot00000000000000 CSS Test: flex container multiline wrapping in row-reverse direction

1-3

1-2

1-1

2-2

2-1

3-1

litehtml-litehtml-6ca1ab0/test/render/flex/multi-line-wrap-with-row-reverse.htm.png000066400000000000000000000006001455631435400306070ustar00rootroot00000000000000PNG  IHDR<8 PLTE#2IDATxA EI=]670,)iBD4RJ|y*ߒOS/I5_,m6%8|K:mSl2ߗjEyU~l4KhɆm|Eډ}o_ 8ӿdOX|T׊8|=ܯ2Z>m b>ɗ ђ|E8ؗ}$rpHʾ>ϩ/|aV GIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/multiline-reverse-wrap-baseline.htm000066400000000000000000000040641455631435400277610ustar00rootroot00000000000000 CSS Flexbox: multiline reverse wrap baseline.
first
first
first
second
third
fourth
fourth
first
first
first
second
third
fourth
fourth
first
second
third
third
litehtml-litehtml-6ca1ab0/test/render/flex/multiline-reverse-wrap-baseline.htm.png000066400000000000000000000024401455631435400305400ustar00rootroot00000000000000PNG  IHDR<4CxXPLTE;rIDATxՁ<࿅`P<Kglph0Ic#ħ0̿!̹s`>!e'^H޳e^+#8?/x_ w 'eMuC{^o {w!3Ov+};W9]޽Ϝ9[NKW={g/61t5+w.5> y<ݽxGo1g2g=چ:xx&@L﫹W2MMՃ|P@іGf[N/ ݟW-VR9缽y_=]-v;לd΁yzY_X̫㋗n /#ӻ^s1W /TJW-ΓI~v3 _K!n4Zu4TL,K4X y7 fޅ<<٭^\tyff CSS Flexible Box Test: Negative margins

You should see a green rectangle with a black border, 40px wide. You should see no red.

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Test passes if there is a single blue rectangle on the left, a single orange rectangle directly to its right, and there is no red visible on the page.

litehtml-litehtml-6ca1ab0/test/render/flex/order-001.htm.png000066400000000000000000000017401455631435400237510ustar00rootroot00000000000000PNG  IHDR  PLTEKaxIDATxQ, ~\B/T(N;P5gPI EQEQEQE5ka q"Ӧ*ԼhA,~iOԞ"HA*WA,V@x sg|eE)[1D4hs\ $0n^6V|%>t-U+$1. kKڥVTЇJnw3:/ؑR=d `ȞSsHѭr$nm(^ɞomy}k8m˹G dIc7N;@&K/lz#%xoiz}{.-͵j=֩w+ 8@7b DK9XGf/*Z/3ɢ٫S8h sl[yޞg'Ʈ{tm?z'I q򻧨煷tīt7r35]o|p|HmuM? NiqQ~~IBa}Ǔ=BjaI`mmVE@xtKK{j|n+9|͗t;RLEȓ>FpOR1]U+ק;XRݑi#>E\ ;%h«F(cYP"|*~cW ^kYV2- +ois3@~7xREQEQEQW+"AB !AB !AB !AB !AB !AB !AB !AB !AB !AB|8EQE}[}`d IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/order-with-column-reverse.htm000066400000000000000000000027611455631435400266110ustar00rootroot00000000000000 CSS Test: flex container layout lowest order with column-reverse direction

Test passes if the paragraph below reads 'First,Second,Third' from top.

Second,

First,

Third

litehtml-litehtml-6ca1ab0/test/render/flex/order-with-column-reverse.htm.png000066400000000000000000000010411455631435400273620ustar00rootroot00000000000000PNG  IHDR P,IDATx10 * 9+M\\ _& 6 TcX5Qhdb [=1&Y[$n3&'d҆'Vj{"DTjCmHz!Fã`AbhhJ(UV4ˊTMFfi bAf&Eќ H{I3RJ`ع4ӹ9;$.p5l ł.H,Y!!I2a2'o əsC>W?u/DUW-DTU-َ #@MQV]Q\Bƨr]델 n/?Zܮx#8~$d;Xv gu OR;R? .ݯO: fnpDDBtFJ8#2u@ ;q=#(:#-\'y 9:@N .o;){>6d@^@6v1 d oBˎ~IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/order-with-row-reverse.htm000066400000000000000000000027721455631435400261250ustar00rootroot00000000000000 CSS Test: flex container layout lowest order with row-reverse direction

Test passes if the paragraph below reads 'First,Second,Third' from leftmost.

First,

Second,

Third

litehtml-litehtml-6ca1ab0/test/render/flex/order-with-row-reverse.htm.png000066400000000000000000000010531455631435400266770ustar00rootroot00000000000000PNG  IHDR h!YIDATx1: *9+M\\ ~ɛd3h cP"@ $@~ї^GmVsÆɄ=ɞXm1H'½Tw/=Cx_UDJ,H,ȎR Q0 d=E$ӌ, [d,cgИq!ˆ&C' y`N8: ZO/r9L$ّ$9 0J[ ;g7GZ#|pG0nR#} {>鮼Y.hlK  \]xyS4P0lc޿|oAyF~'"~dlH H H #IͪXv;B;~Ac"iF6Љ񙐇)DC>H#>#H <i.h?-ayS4PQooW H H 6+"FIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/padding-overflow-crash.htm000066400000000000000000000017711455631435400261260ustar00rootroot00000000000000

Test passes if there is a filled green square only.

litehtml-litehtml-6ca1ab0/test/render/flex/padding-overflow-crash.htm.png000066400000000000000000000010611455631435400267010ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxo0G7\ɾdO)I&v=$4Og'1׹{2b۪o&LsE\wyd(r_a#-9gY׫=q+<7$JolEvZ5r3[k[ѴOEA$NA?ޯ)Mam[dلqn7vqm+>k]d9o[EpEƏ9eryl1zN)?K!3ŬZ"VkZ^wi#8iDV/,/ ϿqADD@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@D D@cT خIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-004.htm000066400000000000000000000027541455631435400256320ustar00rootroot00000000000000 CSS Flexbox: Percentages in stretched container

You should not see tan (except perhaps as the background of a horizontal scrollbar), and you should not see a vertical scrollbar.

hello
hello
litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-004.htm.png000066400000000000000000000020711455631435400264050ustar00rootroot00000000000000PNG  IHDR jMh PLTEE1IDATxQ8 7pC0A?LrK:3~?bd볌 B!Br[~OCsZXVjT{׷>v[~p/vD iIC;\[= 7 n, 9뾌Yv-jޗZF}?3z7y}98l|; c,){ELszS t*ZZժa5z=?M\Mumۂu<=攽gF񿒌eȚ%-yOC\M޾T })D b,cѶBb:6Ke=@V_@,]wZZAD *5gՉjF\fi 8M]ĜQ77r$Ak6LƫQIsehkfiK|#MT&U͋*{[bD^ֹ|#N}^2'4YxYKDCZq mHr~v4Wl4LQi%.}NQni ~d=; S/ !qdViP_Qqs2V{?|}kY~ =V { MA s 6X’b\Ad> v=^/$@tVTnAImkY5*)`V/ZVPev־vy B!B>w [ui>~} {}٪vVPoAy|F ##|2d灌|8]{*s                            !:DshHSIENDB`litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-006.htm000066400000000000000000000027361455631435400256340ustar00rootroot00000000000000 Definite cross sizes

Test passes if there is a filled green square and no red.

 litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-006.htm.png000066400000000000000000000011011455631435400264000ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-007.htm000066400000000000000000000027231455631435400256310ustar00rootroot00000000000000 Definite sizes with fixed flex-basis

Test passes if there is a filled green square and no red.

 litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-007.htm.png000066400000000000000000000011011455631435400264010ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-009.htm000066400000000000000000000026731455631435400256370ustar00rootroot00000000000000 height: 100% should not be considered indefinite on a second flex item (triggers an obscure bug in Blink)

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/percentage-heights-009.htm.png000066400000000000000000000011011455631435400264030ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/space-evenly-001.htm000066400000000000000000000030671455631435400244520ustar00rootroot00000000000000 CSS Box Alignment: space-evenly & flexbox with single item

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/space-evenly-001.htm.png000066400000000000000000000011011455631435400252200ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/support/000077500000000000000000000000001455631435400225555ustar00rootroot00000000000000litehtml-litehtml-6ca1ab0/test/render/flex/support/a-green.css000066400000000000000000000000251455631435400246020ustar00rootroot00000000000000.a { color: green; } litehtml-litehtml-6ca1ab0/test/render/flex/support/b-green.css000066400000000000000000000000241455631435400246020ustar00rootroot00000000000000.b { color: green; }litehtml-litehtml-6ca1ab0/test/render/flex/support/c-red.css000066400000000000000000000000221455631435400242530ustar00rootroot00000000000000.c { color: red; }litehtml-litehtml-6ca1ab0/test/render/flex/support/flexbox.css000066400000000000000000000055241455631435400247440ustar00rootroot00000000000000.flexbox { display: -webkit-flex; display: flex; } .inline-flexbox { display: -webkit-inline-flex; display: inline-flex; } .flex-none { -webkit-flex: none; flex: none; } .flex-auto { -webkit-flex: auto; flex: auto; } .flex-one { -webkit-flex: 1; flex: 1; } .flex-one-one-auto { -webkit-flex: 1 1 auto; flex: 1 1 auto; } .row { -webkit-flex-direction: row; flex-direction: row; } .row-reverse { -webkit-flex-direction: row-reverse; flex-direction: row-reverse; } .column { -webkit-flex-direction: column; flex-direction: column; } .column-reverse { -webkit-flex-direction: column-reverse; flex-direction: column-reverse; } .wrap { -webkit-flex-wrap: wrap; flex-wrap: wrap; } .wrap-reverse { -webkit-flex-wrap: wrap-reverse; flex-wrap: wrap-reverse; } .align-content-flex-start { -webkit-align-content: flex-start; align-content: flex-start; } .align-content-flex-end { -webkit-align-content: flex-end; align-content: flex-end; } .align-content-center { -webkit-align-content: center; align-content: center; } .align-content-space-between { -webkit-align-content: space-between; align-content: space-between; } .align-content-space-around { -webkit-align-content: space-around; align-content: space-around; } .align-content-stretch { -webkit-align-content: stretch; align-content: stretch; } .align-items-flex-start { -webkit-align-items: flex-start; align-items: flex-start; } .align-items-flex-end { -webkit-align-items: flex-end; align-items: flex-end; } .align-items-center { -webkit-align-items: center; align-items: center; } .align-items-baseline { -webkit-align-items: baseline; align-items: baseline; } .align-items-stretch { -webkit-align-items: stretch; align-items: stretch; } .align-self-auto { -webkit-align-self: auto; align-self: auto; } .align-self-flex-start { -webkit-align-self: flex-start; align-self: flex-start; } .align-self-flex-end { -webkit-align-self: flex-end; align-self: flex-end; } .align-self-center { -webkit-align-self: center; align-self: center; } .align-self-baseline { -webkit-align-self: baseline; align-self: baseline; } .align-self-stretch { -webkit-align-self: stretch; align-self: stretch; } .justify-content-flex-start { -webkit-justify-content: flex-start; justify-content: flex-start; } .justify-content-flex-end { -webkit-justify-content: flex-end; justify-content: flex-end; } .justify-content-center { -webkit-justify-content: center; justify-content: center; } .justify-content-space-between { -webkit-justify-content: space-between; justify-content: space-between; } .justify-content-space-around { -webkit-justify-content: space-around; justify-content: space-around; } litehtml-litehtml-6ca1ab0/test/render/flex/support/import-green.css000066400000000000000000000000321455631435400256720ustar00rootroot00000000000000.import { color: green; } litehtml-litehtml-6ca1ab0/test/render/flex/support/import-red.css000066400000000000000000000000301455631435400253420ustar00rootroot00000000000000.import { color: red; } litehtml-litehtml-6ca1ab0/test/render/flex/support/test-style.css000066400000000000000000000005261455631435400254070ustar00rootroot00000000000000 #test01, #test02, #test03{ width: 50px; height: 50px; text-align:center; font-size: 20px; } #test{ background: #ff0000; } #test01{ background: #7FFF00; } #test02{ background: #00FFFF; } #test03{ background: #4169E1; } litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-auto-min-width.htm000066400000000000000000000022471455631435400270500ustar00rootroot00000000000000 CSS Flexbox Test: Flex item as table, specified width less than minimum intrinsic width

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-auto-min-width.htm.png000066400000000000000000000011011455631435400276170ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-fixed-min-width-2.htm000066400000000000000000000026171455631435400273370ustar00rootroot00000000000000 table is flex item

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-fixed-min-width-2.htm.png000066400000000000000000000011011455631435400301050ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-fixed-min-width.htm000066400000000000000000000027271455631435400272020ustar00rootroot00000000000000 CSS Flexbox Test: Flex item as table, specified width and min-width less than minimum intrinsic width

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-fixed-min-width.htm.png000066400000000000000000000011011455631435400277460ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-narrow-content-2.htm.png000066400000000000000000000010671455631435400301030ustar00rootroot00000000000000PNG  IHDR 6- PLTEE1IDATxan0a$_r_uPi?ykÔ_ zooh{]k Cys!WCֶn}\oo5>.1W35_ޮ\Z_'knm9␶yr[kiKe֪^st㴐q7 Bz ٞBm;#mԦ[dn>oC }=iƫ.Gen>O~,,C_?1r? 8_vjV?~}^~\ CSS Flexbox Test: Flex item as table with narrow content

Test passes if there is a filled green square.

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Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-stretch-cross-size-3.htm.png000066400000000000000000000011011455631435400306640ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-stretch-cross-size-4.htm000066400000000000000000000031201455631435400301050ustar00rootroot00000000000000

Test passes if there is a filled green square and no red.

litehtml-litehtml-6ca1ab0/test/render/flex/table-as-item-stretch-cross-size-4.htm.png000066400000000000000000000011011455631435400306650ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxkn F%P 6yWyavPUs,Yd\`cN/mx"Ѹ{lX_~}%g"{.=~d(rƴ#{mg̣o}473|>nm|˗{-6އҪNL:QYW--"vOEA$nx'FE"ӮsζP"~1c/|Y缆/Z߲RM6zP^}E,kֵů?CQ5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q5Q7S[9*IENDB`litehtml-litehtml-6ca1ab0/test/render/flex/table-with-infinite-max-intrinsic-width.htm000066400000000000000000000025701455631435400313220ustar00rootroot00000000000000 Table flex item with infinite max intrinsic inline size

Test passes if there is a filled green square.

   
litehtml-litehtml-6ca1ab0/test/render/flex/table-with-infinite-max-intrinsic-width.htm.png000066400000000000000000000011101455631435400320720ustar00rootroot00000000000000PNG  IHDR 'h PLTEE1IDATxQn@ 7#JG;S= tVZW}HcCq`,>CrMuԻ]{D"\d k/r[A)Oż_"s|Dz"ΩD};#JN';i/܌Vɢw ъZ<%Ѱ
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IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "litehtml/tstring_view.h" #include #include using namespace litehtml; TEST(TStringViewTest, DefaultConstructor) { tstring_view view; EXPECT_EQ(nullptr, view.data()); EXPECT_EQ(0, view.size()); EXPECT_TRUE(view.empty()); } TEST(TStringViewTest, Constructor) { constexpr size_t offset = 5; constexpr size_t length = 10; string string = "the quick brown fox jumps over the lazy dog"; tstring_view view(string.data() + offset, length); EXPECT_EQ(string.data() + offset, view.data()); EXPECT_EQ(length, view.size()); EXPECT_FALSE(view.empty()); for (size_t i = 0; i < view.size(); i++) { EXPECT_EQ(string[offset + i], view[i]); } } TEST(TStringViewTest, RangeForLoop) { constexpr size_t offset = 5; constexpr size_t length = 10; string string = "the quick brown fox jumps over the lazy dog"; tstring_view view(string.data() + offset, length); for (auto c : view) { // TODO: How can we automatically (rather than manually) verify the // iterator is working properly here? std::cout << c << std::endl; } } litehtml-litehtml-6ca1ab0/test/url_path_test.cpp000066400000000000000000000101561455631435400222100ustar00rootroot00000000000000// Copyright (C) 2020-2021 Primate Labs Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the names of the copyright holders nor the names of their // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "litehtml/url_path.h" #include #include #include #include using namespace litehtml; namespace { struct url_path_testcase { string base; string path; string expected; }; } // namespace TEST(URLPathTest, Absolute) { std::vector> testcases = { { "", false }, { "a", false }, { "a/", false }, { "a/b", false }, { "a/b/", false }, { "a/b/c", false }, { "a/b/c/", false }, { "/", true }, { "/a", true }, { "/a/", true }, { "/a/b", true }, { "/a/b/", true }, { "/a/b/c", true }, { "/a/b/c/", true }, }; for (auto& testcase : testcases) { EXPECT_EQ(testcase.second, is_url_path_absolute(testcase.first)); } } TEST(URLPathTest, DirectoryName) { std::vector> testcases = { { "", "." }, { "a", "." }, { "a/", "a/" }, { "a/b", "a/" }, { "a/b/", "a/b/" }, { "a/b/c", "a/b/" }, { "a/b/c/", "a/b/c/" }, { "/", "/" }, { "/a", "/" }, { "/a/", "/a/" }, { "/a/b", "/a/" }, { "/a/b/", "/a/b/" }, { "/a/b/c", "/a/b/" }, { "/a/b/c/", "/a/b/c/" }, }; for (auto& testcase : testcases) { EXPECT_EQ(testcase.second, url_path_directory_name(testcase.first)); } } TEST(URLPathTest, BaseName) { std::vector> testcases = { { "", "" }, { "a", "a" }, { "a/", "" }, { "a/b", "b" }, { "a/b/", "" }, { "a/b/c", "c" }, { "a/b/c/", "" }, { "/", "" }, { "/a", "a" }, { "/a/", "" }, { "/a/b", "b" }, { "/a/b/", "" }, { "/a/b/c", "c" }, { "/a/b/c/", "" }, }; for (auto& testcase : testcases) { EXPECT_EQ(testcase.second, url_path_base_name(testcase.first)); } } TEST(URLPathTest, Append) { std::vector testcases = { { "", "a", "a" }, { "/", "a", "/a" }, { "/a", "", "/a" }, { "/a", "b", "/a/b" }, }; for (auto& testcase : testcases) { EXPECT_EQ(testcase.expected, url_path_append(testcase.base, testcase.path)); } } TEST(URLPathTest, Resolve) { std::vector testcases = { { "/", "a", "/a" }, { "/a", "b", "/b" }, { "/a", "/b", "/b" }, }; for (auto& testcase : testcases) { EXPECT_EQ(testcase.expected, url_path_resolve(testcase.base, testcase.path)); } }litehtml-litehtml-6ca1ab0/test/url_test.cpp000066400000000000000000000165631455631435400212040ustar00rootroot00000000000000// Copyright (C) 2020-2021 Primate Labs Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the names of the copyright holders nor the names of their // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "litehtml/url.h" #include #include using namespace litehtml; namespace { struct url_parse_testcase { string str; string scheme; string authority; string path; string query; string fragment; }; struct url_resolve_testcase { string base; string reference; string expected; }; } // namespace TEST(URLTest, DefaultConstructor) { url u; EXPECT_TRUE(u.scheme().empty()); EXPECT_TRUE(u.authority().empty()); EXPECT_TRUE(u.path().empty()); EXPECT_TRUE(u.query().empty()); EXPECT_TRUE(u.fragment().empty()); } TEST(URLTest, Parse) { std::vector testcases = { // Example from RFC 3986 that includes a scheme, an authority, a path, // a query, and a fragment. { "foo://example.com:8042/over/there?name=ferret#nose", "foo", "example.com:8042", "/over/there", "name=ferret", "nose" }, // Example from RFC 3986 that only includes a scheme and a path. { "urn:example:animal:ferret:nose", "urn", "", "example:animal:ferret:nose", "", "" }, { "http://www.litehtml.com/", "http", "www.litehtml.com", "/", "", "" }, { "https://www.slashdot.org/", "https", "www.slashdot.org", "/", "", "" }, { "https://www.slashdot.org", "https", "www.slashdot.org", "", "", "" }, { "https://news.slashdot.org/story/21/09/24/2157247/", "https", "news.slashdot.org", "/story/21/09/24/2157247/", "", "" }, { "https://www.cbc.ca/news/politics/spavor-kovrig-return-1.6189516", "https", "www.cbc.ca", "/news/politics/spavor-kovrig-return-1.6189516", "", "" }, { "https://twitter.com/geekbench/status/1412433598200823810", "https", "twitter.com", "/geekbench/status/1412433598200823810", "", "" }, { "https://browser.geekbench.com/v5/cpu/search?q=ryzen", "https", "browser.geekbench.com", "/v5/cpu/search", "q=ryzen", "" }, { "https://datatracker.ietf.org/doc/html/rfc3986#section-2.2", "https", "datatracker.ietf.org", "/doc/html/rfc3986", "", "section-2.2" }, { "file:///home/litehtml/build/hipster.html", "file", "", "/home/litehtml/build/hipster.html" }, { "/home/litehtml/Projects/litehtml/build/hipster.html", "", "", "/home/litehtml/Projects/litehtml/build/hipster.html" }, }; for (auto& testcase : testcases) { url u(testcase.str); EXPECT_EQ(testcase.scheme, u.scheme()); EXPECT_EQ(testcase.authority, u.authority()); EXPECT_EQ(testcase.path, u.path()); EXPECT_EQ(testcase.query, u.query()); EXPECT_EQ(testcase.fragment, u.fragment()); } } TEST(URLTest, Build) { std::vector testcases = { // Example from RFC 3986 that includes a scheme, an authority, a path, // a query, and a fragment. { "foo://example.com:8042/over/there?name=ferret#nose", "foo", "example.com:8042", "/over/there", "name=ferret", "nose" }, // Example from RFC 3986 that only includes a scheme and a path. { "urn:example:animal:ferret:nose", "urn", "", "example:animal:ferret:nose", "", "" }, { "http://www.litehtml.com/", "http", "www.litehtml.com", "/", "", "" }, { "https://www.slashdot.org/", "https", "www.slashdot.org", "/", "", "" }, { "https://www.slashdot.org", "https", "www.slashdot.org", "", "", "" }, { "https://news.slashdot.org/story/21/09/24/2157247/", "https", "news.slashdot.org", "/story/21/09/24/2157247/", "", "" }, { "https://www.cbc.ca/news/politics/spavor-kovrig-return-1.6189516", "https", "www.cbc.ca", "/news/politics/spavor-kovrig-return-1.6189516", "", "" }, { "https://twitter.com/geekbench/status/1412433598200823810", "https", "twitter.com", "/geekbench/status/1412433598200823810", "", "" }, { "https://browser.geekbench.com/v5/cpu/search?q=ryzen", "https", "browser.geekbench.com", "/v5/cpu/search", "q=ryzen", "" }, { "https://datatracker.ietf.org/doc/html/rfc3986#section-2.2", "https", "datatracker.ietf.org", "/doc/html/rfc3986", "", "section-2.2" }, // Disabled since the url class does not regenerate the same URL for // this test case (it does not emit the double slash at the start of // the authority). How do we determine which schemes require the double // slash and which ones do not? // { "file:///home/litehtml/build/hipster.html", // "file", "", "/home/litehtml/build/hipster.html" }, { "/home/litehtml/Projects/litehtml/build/hipster.html", "", "", "/home/litehtml/Projects/litehtml/build/hipster.html" }, }; for (auto& testcase : testcases) { url u(testcase.scheme, testcase.authority, testcase.path, testcase.query, testcase.fragment); EXPECT_EQ(testcase.str, u.str()); } } TEST(URLTest, Resolve) { std::vector testcases = { { "https://www.twitter.com/", "/foo", "https://www.twitter.com/foo" }, { "https://www.twitter.com/", "https://www.facebook.com/", "https://www.facebook.com/" }, { "https://www.example.com/index.html", "about.html", "https://www.example.com/about.html" }, }; for (auto& testcase : testcases) { url u = resolve(url(testcase.base), url(testcase.reference)); url expected(testcase.expected); EXPECT_EQ(expected.scheme(), u.scheme()); EXPECT_EQ(expected.authority(), u.authority()); EXPECT_EQ(expected.path(), u.path()); EXPECT_EQ(expected.query(), u.query()); EXPECT_EQ(expected.fragment(), u.fragment()); } }