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<title>paintlib: plpixeldefs.h Source File</title>
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<h1>plpixeldefs.h</h1><div class="fragment"><pre>00001 <span class="preprocessor">#ifndef INCL_PLPIXELDEFS</span>
00002 <span class="preprocessor"></span><span class="preprocessor">#define INCL_PLPIXELDEFS</span>
00003 <span class="preprocessor"></span>
00004 <span class="preprocessor">#undef PL_PIXEL_BGRA_ORDER  // MS Windows ordering</span>
00005 <span class="preprocessor"></span><span class="preprocessor">#undef PL_PIXEL_RGBA_ORDER // GNU/Linux (at least)</span>
00006 <span class="preprocessor"></span>
00007 <span class="comment">// We have this pixel byte ordering</span>
00008 <span class="preprocessor">#define PL_PIXEL_RGBA_ORDER</span>
00009 <span class="preprocessor"></span>
00010 <span class="preprocessor">#ifdef PL_PIXEL_RGBA_ORDER</span>
00011 <span class="preprocessor"></span> <span class="comment">// To access in RGBA order</span>
00012 <span class="preprocessor"> #define PL_RGBA_RED    0</span>
00013 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_GREEN  1</span>
00014 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_BLUE   2</span>
00015 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_ALPHA  3</span>
00016 <span class="preprocessor"></span><span class="preprocessor">#elif defined(PL_PIXEL_BGRA_ORDER)</span>
00017 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_BLUE   0</span>
00018 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_GREEN  1</span>
00019 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_RED    2</span>
00020 <span class="preprocessor"></span><span class="preprocessor"> #define PL_RGBA_ALPHA  3</span>
00021 <span class="preprocessor"></span><span class="preprocessor">#else</span>
00022 <span class="preprocessor"></span><span class="preprocessor">  #error Pixel RGB bytes order not selected</span>
00023 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00024 <span class="preprocessor"></span>
00025 <span class="comment">// Note that the preceeding #defines aren't static const ints because</span>
00026 <span class="comment">// this breaks preprocessor tests in several places.</span>
00027 
00028 <span class="preprocessor">#endif</span>
00029 <span class="preprocessor"></span>
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