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Allegro (software library)
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<p>Allegro is a <a href="/facts/Software_library/xRzL3P7q">software library</a> for <a href="/facts/Video_game/vmTdNASJ">video game</a> development. The functionality of the library includes support for basic 2D graphics, image manipulation, text output, audio output, <a href="/facts/MIDI/tblhmeFV">MIDI</a> music, input and timers, as well as additional routines for fixed-point and floating-point <a href="/facts/Matrix_(mathematics)/qa8FI4ko">matrix</a> arithmetic, <a href="/facts/Unicode/DDu3MfPV">Unicode</a> strings, file system access, file manipulation, data files, and 3D graphics. The library is written in the <a href="/facts/C_(programming_language)/Ky2No763">C programming language</a> and designed to be used with C, <a href="/facts/C%252B%252B/Et0F2qn9">C++</a>, or <a href="/facts/Objective-C/5mM557BW">Objective-C</a>, with <a href="/facts/Language_binding/V5HW4Wr4">bindings</a> available for <a href="/facts/Python_(programming_language)/YbuGqofa">Python</a>, <a href="/facts/Lua_(programming_language)/xkBCgta0">Lua</a>, <a href="/facts/Scheme_(programming_language)/0aGdf3SC">Scheme</a>, <a href="/facts/D_(programming_language)/4qIzRjkF">D</a>, <a href="/facts/Go_(programming_language)/oWlsmAFJ">Go</a>, and other languages. Allegro comes with extensive documentation and many examples. </p><p>Allegro supports <a href="/facts/Microsoft_Windows/bwhAhuSL">Windows</a>, <a href="/facts/MacOS/Y93vVpTm">macOS</a>, <a href="/facts/Unix-like/YAKrAxzd">Unix-like systems</a>, <a href="/facts/Android_(operating_system)/nNyHb0xz">Android</a>, and <a href="/facts/IOS/mK5cggH5">iOS</a>, abstracting their <a href="/facts/Application_programming_interface/GMlN4vUr">application programming interfaces</a> (APIs) into one portable interface. It can run also on top of <a href="/facts/Simple_DirectMedia_Layer/9tSff0Lg">Simple DirectMedia Layer</a> which is used to run Allegro programs in web browser using <a href="/facts/Emscripten/QmwKMoh2">Emscripten</a>. </p><p>Released under the terms of the <a href="/facts/Zlib_license/lyoPpsHD">zlib license</a>, Allegro is <a href="/facts/Free_and_open_source_software/1cHtjLCB">free and open source software</a>. </p>