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Skia Graphics Engine
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<h2 id="overview">Overview</h2> <p>In order to stay multi-platform, Skia supports several (platform-dependent) back-ends. These include: </p> <ul><li>CPU software <a href="/facts/Rasterization/QXfz5t7E">rasterization</a></li> <li><a href="/facts/Portable_Document_Format/C9Mn1vYL">Portable Document Format</a> (PDF) output</li> <li><a href="/facts/GPU/PTK1RQVp">GPU</a>-accelerated rendering by using:<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> <ul><li><a href="/facts/ANGLE_(software)/VhCotXQj">ANGLE</a> backend, which translates <a href="/facts/OpenGL_ES/DRkjxUFb">OpenGL ES</a> calls into vendor's native APIs</li> <li><a href="/facts/Vulkan/e188Vdpc">Vulkan</a>, and <a href="/facts/Metal_(API)/DIbAxKF6">Metal</a>.</li></ul></li> <li><a href="/facts/Scalable_Vector_Graphics/ARq5C3YV">Scalable Vector Graphics</a> (SVG)</li> <li><a href="/facts/Open_XML_Paper_Specification/u2W4ES5g">XML Paper Specification</a> (XPS)</li></ul> <p>Skia is most similar in purpose to <a href="/facts/Cairo_(graphics)/FuAWHozI">Cairo</a> or Pathfinder (meaning that it focuses on drawing) rather than to other more elaborate APIs like that of <a href="/facts/Qt_(software)/gVhwlQnJ">Qt</a> that provide their own widgets and UI description language etc.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> </p> <h2 id="application">Application</h2> <p>The library is used as of 2023<a href="https://en.wikipedia.org/w/index.php?title=Skia_Graphics_Engine&action=edit">[update]</a> in <a href="/facts/Google_Chrome/4INfWq37">Google Chrome</a>, <a href="/facts/ChromeOS/zH0B5Xtk">ChromeOS</a>, <a href="/facts/ChromiumOS/rHSqcS74">ChromiumOS</a>, <a href="/facts/Firefox/xez2zv8H">Mozilla Firefox</a>, <a href="/facts/Mozilla_Thunderbird/20lnTsYS">Mozilla Thunderbird</a>, <a href="/facts/Android_(operating_system)/nNyHb0xz">Android</a>, <a href="/facts/Firefox_OS/pBLG4suy">Firefox OS</a>, <a href="/facts/Flutter_(software)/aI365dAp">Flutter</a>, <a href="/facts/Ladybird_(web_browser)/AxmcbyAJ">Ladybird</a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> <a href="/facts/Avalonia_(software_framework)/9CB11jjT">Avalonia</a> (from Alpha 4), <a href="/facts/LibreOffice/MInj5kF7">LibreOffice</a> (from version 7.0) and <a href="/facts/RAD_Studio/sUFUXQ8r">RAD Studio</a><a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a>(since version 12.0). </p> <h2 id="supported-platforms">Supported platforms</h2> <ul><li>Windows 10, 11</li> <li>macOS 10.15 or later</li> <li>iOS 12 or later</li> <li>Android 4.3 (JellyBean) or later</li> <li>Ubuntu 18.04+, Debian 10+, openSUSE 15.2+, or Fedora Linux 32+</li> <li>Web Browsers<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a></li></ul> <h2 id="etymology">Etymology</h2> <p>Skia is a romanisation of the word 'shadow' in Greek (Σκιά). </p> <h2 id="history">History</h2> <p>Skia Inc, developers of the Skia Graphics Engine, was founded in 2004 by Mike Reed and Cary Clark in Chapel Hill North Carolina, before being acquired by Google in 2005.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Direct2D/2wyAQnIz">Direct2D</a></li> <li><a href="/facts/Starling_Framework/3Rv1A6kK">Starling Framework</a></li> <li><a href="/facts/Anti-Grain_Geometry/074wr22V">Anti-Grain Geometry</a></li> <li><a href="/facts/CoreGraphics/FLvFwpYt">CoreGraphics</a></li> <li><a href="/facts/Cairo_(graphics)/FuAWHozI">Cairo</a></li> <li><a href="/facts/QuickDraw_GX/k2Bqd7F5">QuickDraw GX</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="https://skia.org/">Official website</a> </li> <li><a href="https://www.slideshare.net/snailee/skia-freetype-android-2d-graphics-essentials">Skia & Freetype – Android 2D Graphics Essentials</a></li> <li><a href="https://github.com/servo/pathfinder">Pathfinder 3</a></li></ul> <h3>YouTube</h3> <ul><li><a href="https://www.youtube.com/watch?v=OmfliNQsk88">Skia Path Ops : High Performance Set Operations for Geometry</a> on <a href="/facts/YouTube_video_(identifier)/db276jst">YouTube</a></li> <li><a href="https://www.youtube.com/watch?v=A5-aXfSt-RA">Google Developers: Painting in Chromium</a>, 2012 on YouTube</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Skia Graphics Library". skia.org. Retrieved 2020-11-01. <a href="https://skia.org" target="_blank">https://skia.org</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Malik, Om (2 Sep 2008). "Google Open Sources Skia Graphics Engine". gigaom. Retrieved 31 August 2011. <a href="http://gigaom.com/2008/09/02/google-open-sources-skia-graphics-engine/" target="_blank">http://gigaom.com/2008/09/02/google-open-sources-skia-graphics-engine/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Specialized Builds". Skia. Retrieved 2022-01-18. <a href="https://skia.org/docs/user/special/" target="_blank">https://skia.org/docs/user/special/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"The Skia 2D Graphics Library From Google - Phoronix". www.phoronix.com. Retrieved 19 April 2018. <a href="https://www.phoronix.com/scan.php?page=news_item&px=OTM0Mw" target="_blank">https://www.phoronix.com/scan.php?page=news_item&px=OTM0Mw</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Skia Documentation". skia.org. Retrieved 20 April 2023. <a href="https://skia.org/docs/" target="_blank">https://skia.org/docs/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"RAD Studio". embarcadero.com. <a href="https://www.embarcadero.com/products/rad-studio" target="_blank">https://www.embarcadero.com/products/rad-studio</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"CanvasKit - Skia + WebAssembly". skia.org. Retrieved 2021-09-03. <a href="https://skia.org/docs/user/modules/canvaskit/" target="_blank">https://skia.org/docs/user/modules/canvaskit/</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"Inside Google's Chapel Hill outpost: A growing success story | WRAL TechWire". 2017-05-24. Retrieved 2021-10-27. <a href="https://www.wraltechwire.com/2017/05/24/inside-googles-chapel-hill-outpost-a-growing-success-story/" target="_blank">https://www.wraltechwire.com/2017/05/24/inside-googles-chapel-hill-outpost-a-growing-success-story/</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> </ol>