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<div class="section" id="pysdl2-faq">
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<span id="faq"></span><h1>PySDL2 FAQ<a class="headerlink" href="#pysdl2-faq" title="Permalink to this headline">¶</a></h1>
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<p>This is a list of Frequently Asked Questions about PySDL2. If you think,
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something is missing, please suggest it!</p>
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<div class="section" id="on-importing">
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<h2>On importing...<a class="headerlink" href="#on-importing" title="Permalink to this headline">¶</a></h2>
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<p>... my script fails and complains that a SDL2 library could not be found!</p>
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<blockquote>
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<div>Do you have the libraries properly installed? Did you follow the operating
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system’s way of installing or registering libraries? If you placed the
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libraries in some folder, make sure that the <code class="docutils literal"><span class="pre">PYSDL2_DLL_PATH</span></code>
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environment variable points to the correct location.</div></blockquote>
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<p>... my script fails complaining that the <em>found</em> SDL2 library can’t be used!</p>
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<blockquote>
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<div>Do you use a 64-bit operating system? Please make sure, that the Python
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interpreter <em>and</em> that the SDL2 libraries are either 64-bit ones <em>or</em>
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32-bit ones. A 32-bit Python interpreter can’t deal with a 64-bit library
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and vice versa.</div></blockquote>
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</div>
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<div class="section" id="using">
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<h2>Using...<a class="headerlink" href="#using" title="Permalink to this headline">¶</a></h2>
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<p>... the sdl2 API is weird. Why do you use the SDL_ prefix all the time?</p>
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<blockquote>
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<div>The low-level APIs for SDL2, SDL2_mixer, SDL2_ttf, ... shall represent a
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clean wrapping around the original C API calls. Thus, if you have to search
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for documentation or want to make a Python to C conversion (or C to Python),
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most of the code cleanly maps to the original API naming and layout and you
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do not have to think about whether you had to use SDL_ or TTF_ or whatever
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as prefix or suffix.</div></blockquote>
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<p>... the sdl2 API is does not comply to PEP-8. Please make it PEP-8 compatible.</p>
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<blockquote>
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<div>Most of the API is PEP-8 compatible. The low-level bindings to SDL2 and
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related libraries however use the exact naming (including capital letters)
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as the functions or structures, they map to. See the previous entry for
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the reason of that.</div></blockquote>
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</div>
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<div class="section" id="how-do-i">
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<h2>How do I...<a class="headerlink" href="#how-do-i" title="Permalink to this headline">¶</a></h2>
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<p>... save my surfaces as image files?</p>
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<blockquote>
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<div>You can use <code class="xref py py-func docutils literal"><span class="pre">sdl2.SDL_SaveBMP()</span></code> to save them as bitmap files. Other
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formats are currently unsupported, but might be added to
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the <a class="reference internal" href="modules/sdl2ext.html#module-sdl2.ext" title="sdl2.ext: Python extensions for SDL2"><code class="xref py py-mod docutils literal"><span class="pre">sdl2.ext</span></code></a> package in the future.</div></blockquote>
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</div>
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<div class="section" id="font-handling">
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<h2>Font handling...<a class="headerlink" href="#font-handling" title="Permalink to this headline">¶</a></h2>
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<p>... is too hard. Why can’t it work the same way as pygame does?</p>
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<blockquote>
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<div>The <a class="reference internal" href="modules/sdl2_sdlttf.html#module-sdl2.sdlttf" title="sdl2.sdlttf: SDL2_ttf library wrapper"><code class="xref py py-mod docutils literal"><span class="pre">sdl2.sdlttf</span></code></a> API does not know about platform-specific font
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locations and is unable to resolve font paths based on e.g. the font name
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or typeface. It’s not its job and PySDL2 likewise does not provide such
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functionality. If you need improved font detection support, you might want
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to take a look at the sysfont module of the python-utils project, which can
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be found at <a class="reference external" href="https://bitbucket.org/marcusva/python-utils/">https://bitbucket.org/marcusva/python-utils/</a>.</div></blockquote>
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<h3><a href="index.html">Table Of Contents</a></h3>
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<li><a class="reference internal" href="#">PySDL2 FAQ</a><ul>
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<li><a class="reference internal" href="#on-importing">On importing...</a></li>
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<li><a class="reference internal" href="#using">Using...</a></li>
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<li><a class="reference internal" href="#how-do-i">How do I...</a></li>
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<li><a class="reference internal" href="#font-handling">Font handling...</a></li>
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