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imagemagick-doc-6.6.1.5-2mdv2010.1.x86_64.rpm

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<h1>color-private.h</h1><a href="color-private_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">  Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization</span>
<a name="l00003"></a>00003 <span class="comment">  dedicated to making software imaging solutions freely available.</span>
<a name="l00004"></a>00004 <span class="comment">  </span>
<a name="l00005"></a>00005 <span class="comment">  You may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment">  obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment">  </span>
<a name="l00008"></a>00008 <span class="comment">    http://www.imagemagick.org/script/license.php</span>
<a name="l00009"></a>00009 <span class="comment">  </span>
<a name="l00010"></a>00010 <span class="comment">  Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment">  distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment">  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment">  See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment">  limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">  MagickCore image color methods.</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018 <span class="preprocessor">#ifndef _MAGICKCORE_COLOR_PRIVATE_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define _MAGICKCORE_COLOR_PRIVATE_H</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#if defined(__cplusplus) || defined(c_plusplus)</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00023"></a>00023 <span class="preprocessor">#endif</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;<a class="code" href="image_8h.html">magick/image.h</a>&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;<a class="code" href="color_8h.html">magick/color.h</a>&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;<a class="code" href="exception-private_8h.html">magick/exception-private.h</a>&gt;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a><a class="code" href="color-private_8h.html#b2e6dbbbbf8508ed5d7b2dc089b9d639">00029</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd">MagickBooleanType</a> <a class="code" href="color-private_8h.html#b2e6dbbbbf8508ed5d7b2dc089b9d639">IsColorEqual</a>(<span class="keyword">const</span> <a class="code" href="struct__PixelPacket.html">PixelPacket</a> *p,
<a name="l00030"></a>00030   <span class="keyword">const</span> <a class="code" href="struct__PixelPacket.html">PixelPacket</a> *q)
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__PixelPacket.html#f5a6eb37a9b0d850d8aabe7a96e50d15">red</a> != q-&gt;<a class="code" href="struct__PixelPacket.html#f5a6eb37a9b0d850d8aabe7a96e50d15">red</a>)
<a name="l00033"></a>00033     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00034"></a>00034   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a> != q-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a>)
<a name="l00035"></a>00035     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00036"></a>00036   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__PixelPacket.html#70693580f436f8cbec8693ac5db73110">blue</a> != q-&gt;<a class="code" href="struct__PixelPacket.html#70693580f436f8cbec8693ac5db73110">blue</a>)
<a name="l00037"></a>00037     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00038"></a>00038   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__PixelPacket.html#5e7890101ca154390eb9c819584e6910">opacity</a> != q-&gt;<a class="code" href="struct__PixelPacket.html#5e7890101ca154390eb9c819584e6910">opacity</a>)
<a name="l00039"></a>00039     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00040"></a>00040   <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd64dfe6c314e51d3d78da0554f5cce497">MagickTrue</a>);
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 
<a name="l00043"></a><a class="code" href="color-private_8h.html#29db152ed01d92b5e503f8268da01313">00043</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="pixel_8h.html#6a47991f21fa07598194f14e9cab83c2">IndexPacket</a> <a class="code" href="color-private_8h.html#29db152ed01d92b5e503f8268da01313">ConstrainColormapIndex</a>(<a class="code" href="struct__Image.html">Image</a> *image,
<a name="l00044"></a>00044   <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> index)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046   <span class="keywordflow">if</span> (index &gt;= image-&gt;<a class="code" href="struct__Image.html#1450c87f609eabf176bd3a56e9c22e23">colors</a>)
<a name="l00047"></a>00047     {
<a name="l00048"></a>00048       (void) <a class="code" href="exception_8c.html#05fb39836d3e31a8f9ebc83ac4f9e654">ThrowMagickException</a>(&amp;image-&gt;<a class="code" href="struct__Image.html#04f0492ec498fac0fc51e21fd6b2b331">exception</a>,<a class="code" href="log_8h.html#c568b7796c015e0c6684cfe3fb3530c5">GetMagickModule</a>(),
<a name="l00049"></a>00049         <a class="code" href="exception_8h.html#0e0f0f1661d7aeb71ed9698bff6c6383f6b6f28dd9ae4b43f3a5fe07c40636fa">CorruptImageError</a>,<span class="stringliteral">"InvalidColormapIndex"</span>,<span class="stringliteral">"`%s'"</span>,image-&gt;<a class="code" href="struct__Image.html#201c2300950ed6e39b66988831dce279">filename</a>);
<a name="l00050"></a>00050       <span class="keywordflow">return</span>((<a class="code" href="pixel_8h.html#6a47991f21fa07598194f14e9cab83c2">IndexPacket</a>) 0);
<a name="l00051"></a>00051     }
<a name="l00052"></a>00052   <span class="keywordflow">return</span>((<a class="code" href="pixel_8h.html#6a47991f21fa07598194f14e9cab83c2">IndexPacket</a>) index);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 
<a name="l00055"></a><a class="code" href="color-private_8h.html#42fd3c5e5c04e3339eee151f53c1bc88">00055</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd">MagickBooleanType</a> <a class="code" href="color-private_8h.html#42fd3c5e5c04e3339eee151f53c1bc88">IsGray</a>(<span class="keyword">const</span> <a class="code" href="struct__PixelPacket.html">PixelPacket</a> *pixel)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057   <span class="keywordflow">if</span> (pixel-&gt;<a class="code" href="struct__PixelPacket.html#f5a6eb37a9b0d850d8aabe7a96e50d15">red</a> != pixel-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a>)
<a name="l00058"></a>00058     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00059"></a>00059   <span class="keywordflow">if</span> (pixel-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a> != pixel-&gt;<a class="code" href="struct__PixelPacket.html#70693580f436f8cbec8693ac5db73110">blue</a>)
<a name="l00060"></a>00060     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00061"></a>00061   <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd64dfe6c314e51d3d78da0554f5cce497">MagickTrue</a>);
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063 
<a name="l00064"></a><a class="code" href="color-private_8h.html#d81ee4c1e9dd28c1c113627b060dd7a5">00064</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd">MagickBooleanType</a> <a class="code" href="color-private_8h.html#d81ee4c1e9dd28c1c113627b060dd7a5">IsMagickColorEqual</a>(<span class="keyword">const</span> <a class="code" href="struct__MagickPixelPacket.html">MagickPixelPacket</a> *p,
<a name="l00065"></a>00065   <span class="keyword">const</span> <a class="code" href="struct__MagickPixelPacket.html">MagickPixelPacket</a> *q)
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067   <span class="keywordflow">if</span> ((p-&gt;<a class="code" href="struct__MagickPixelPacket.html#5fb56f41e44c8ed0c0971f153c3c2d83">matte</a> != <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>) &amp;&amp; (q-&gt;<a class="code" href="struct__MagickPixelPacket.html#5fb56f41e44c8ed0c0971f153c3c2d83">matte</a> == <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>) &amp;&amp;
<a name="l00068"></a>00068       (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#c8d93e00f1f3304acb97e9181be555d8">opacity</a> != <a class="code" href="image_8h.html#bc513c12ac20de9c37833b95892bcd50">OpaqueOpacity</a>))
<a name="l00069"></a>00069     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00070"></a>00070   <span class="keywordflow">if</span> ((q-&gt;<a class="code" href="struct__MagickPixelPacket.html#5fb56f41e44c8ed0c0971f153c3c2d83">matte</a> != <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>) &amp;&amp; (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#5fb56f41e44c8ed0c0971f153c3c2d83">matte</a> == <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>) &amp;&amp;
<a name="l00071"></a>00071       (q-&gt;<a class="code" href="struct__MagickPixelPacket.html#c8d93e00f1f3304acb97e9181be555d8">opacity</a> != <a class="code" href="image_8h.html#bc513c12ac20de9c37833b95892bcd50">OpaqueOpacity</a>))
<a name="l00072"></a>00072     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00073"></a>00073   <span class="keywordflow">if</span> ((p-&gt;<a class="code" href="struct__MagickPixelPacket.html#5fb56f41e44c8ed0c0971f153c3c2d83">matte</a> != <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>) &amp;&amp; (q-&gt;<a class="code" href="struct__MagickPixelPacket.html#5fb56f41e44c8ed0c0971f153c3c2d83">matte</a> != <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>))
<a name="l00074"></a>00074     {
<a name="l00075"></a>00075       <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#c8d93e00f1f3304acb97e9181be555d8">opacity</a> != q-&gt;<a class="code" href="struct__MagickPixelPacket.html#c8d93e00f1f3304acb97e9181be555d8">opacity</a>)
<a name="l00076"></a>00076         <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00077"></a>00077       <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#c8d93e00f1f3304acb97e9181be555d8">opacity</a> == <a class="code" href="image_8h.html#c0629e4c480188ee2aa5d4b1e700656f">TransparentOpacity</a>)
<a name="l00078"></a>00078         <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd64dfe6c314e51d3d78da0554f5cce497">MagickTrue</a>);
<a name="l00079"></a>00079     }
<a name="l00080"></a>00080   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a> != q-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a>)
<a name="l00081"></a>00081     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00082"></a>00082   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a> != q-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a>)
<a name="l00083"></a>00083     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00084"></a>00084   <span class="keywordflow">if</span> (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a> != q-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a>)
<a name="l00085"></a>00085     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00086"></a>00086   <span class="keywordflow">if</span> ((p-&gt;<a class="code" href="struct__MagickPixelPacket.html#6c6f0d8c3297fc7112f9af03b30189c2">colorspace</a> == <a class="code" href="colorspace_8h.html#5d516b430fa42c1f83b557f08128f3c26e2ce6ccd573353bc25333188a47642b">CMYKColorspace</a>) &amp;&amp; (p-&gt;<a class="code" href="struct__MagickPixelPacket.html#c271bb7d0f6353699e5365599ed0f86d">index</a> != q-&gt;<a class="code" href="struct__MagickPixelPacket.html#c271bb7d0f6353699e5365599ed0f86d">index</a>))
<a name="l00087"></a>00087     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00088"></a>00088   <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd64dfe6c314e51d3d78da0554f5cce497">MagickTrue</a>);
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 
<a name="l00091"></a><a class="code" href="color-private_8h.html#5406c6d1a8457ad55d809dd1847cc45d">00091</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd">MagickBooleanType</a> <a class="code" href="color-private_8h.html#5406c6d1a8457ad55d809dd1847cc45d">IsMagickGray</a>(<span class="keyword">const</span> <a class="code" href="struct__MagickPixelPacket.html">MagickPixelPacket</a> *pixel)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093   <span class="keywordflow">if</span> (pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#6c6f0d8c3297fc7112f9af03b30189c2">colorspace</a> != <a class="code" href="colorspace_8h.html#5d516b430fa42c1f83b557f08128f3c2632478645ad432e2054450694bf9b501">RGBColorspace</a>)
<a name="l00094"></a>00094     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00095"></a>00095   <span class="keywordflow">if</span> (pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a> != pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a>)
<a name="l00096"></a>00096     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00097"></a>00097   <span class="keywordflow">if</span> (pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a> != pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a>)
<a name="l00098"></a>00098     <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd5c7243daf92cdb3082c79d702afcfffc">MagickFalse</a>);
<a name="l00099"></a>00099   <span class="keywordflow">return</span>(<a class="code" href="magick-type_8h.html#c740cbce6e8928a679ae3767b49428dd64dfe6c314e51d3d78da0554f5cce497">MagickTrue</a>);
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 
<a name="l00102"></a><a class="code" href="color-private_8h.html#0d9db86488677e269a93987caa630085">00102</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> <a class="code" href="color-private_8h.html#0d9db86488677e269a93987caa630085">MagickPixelIntensity</a>(
<a name="l00103"></a>00103   <span class="keyword">const</span> <a class="code" href="struct__MagickPixelPacket.html">MagickPixelPacket</a> *pixel)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105   <a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a>
<a name="l00106"></a>00106     intensity;
<a name="l00107"></a>00107 
<a name="l00108"></a>00108   intensity=0.299*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a>+0.587*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a>+0.114*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a>;
<a name="l00109"></a>00109   <span class="keywordflow">return</span>(intensity);
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111 
<a name="l00112"></a><a class="code" href="color-private_8h.html#a8c8c8fd29ad44047c489ae6947d3ae8">00112</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> <a class="code" href="color-private_8h.html#a8c8c8fd29ad44047c489ae6947d3ae8">MagickPixelIntensityToQuantum</a>(
<a name="l00113"></a>00113   <span class="keyword">const</span> <a class="code" href="struct__MagickPixelPacket.html">MagickPixelPacket</a> *pixel)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="preprocessor">#if !defined(MAGICKCORE_HDRI_SUPPORT)</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span>  <span class="keywordflow">return</span>((<a class="code" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a>) (0.299*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a>+0.587*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a>+0.114*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a>+0.5));
<a name="l00117"></a>00117 <span class="preprocessor">#else</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span>  <span class="keywordflow">return</span>((<a class="code" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a>) (0.299*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a>+0.587*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a>+0.114*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a>));
<a name="l00119"></a>00119 <span class="preprocessor">#endif</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span>}
<a name="l00121"></a><a class="code" href="color-private_8h.html#8f4623481804ee67f18994c3a2f3aef9">00121</a> 
<a name="l00122"></a>00122 <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> <a class="code" href="color-private_8h.html#8f4623481804ee67f18994c3a2f3aef9">MagickPixelLuminance</a>(
<a name="l00123"></a>00123   <span class="keyword">const</span> <a class="code" href="struct__MagickPixelPacket.html">MagickPixelPacket</a> *pixel)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125   <a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a>
<a name="l00126"></a>00126     luminance;
<a name="l00127"></a>00127 
<a name="l00128"></a>00128   luminance=0.21267*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ff7ca39219d6c5f42faa9815bce9f173">red</a>+0.71516*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ef2f6b6426929864e1eead988663e494">green</a>+0.07217*pixel-&gt;<a class="code" href="struct__MagickPixelPacket.html#ade0be72303eadbf06fbe64e01cbc301">blue</a>;
<a name="l00129"></a>00129   <span class="keywordflow">return</span>(luminance);
<a name="l00130"></a>00130 }
<a name="l00131"></a><a class="code" href="color-private_8h.html#6512a2a5964e2b2db8eaadd4f70ba711">00131</a> 
<a name="l00132"></a>00132 <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a> <a class="code" href="color-private_8h.html#6512a2a5964e2b2db8eaadd4f70ba711">PixelIntensity</a>(<span class="keyword">const</span> <a class="code" href="struct__PixelPacket.html">PixelPacket</a> *pixel)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134   <a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a>
<a name="l00135"></a>00135     intensity;
<a name="l00136"></a>00136 
<a name="l00137"></a>00137   intensity=(<a class="code" href="magick-type_8h.html#63ab595ab40d99ff825a4c39cc69c074">MagickRealType</a>) (0.299*pixel-&gt;<a class="code" href="struct__PixelPacket.html#f5a6eb37a9b0d850d8aabe7a96e50d15">red</a>+0.587*pixel-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a>+0.114*
<a name="l00138"></a>00138     pixel-&gt;<a class="code" href="struct__PixelPacket.html#70693580f436f8cbec8693ac5db73110">blue</a>);
<a name="l00139"></a>00139   <span class="keywordflow">return</span>(intensity);
<a name="l00140"></a>00140 }
<a name="l00141"></a><a class="code" href="color-private_8h.html#4450d645257ce4896b3ddfb611eab414">00141</a> 
<a name="l00142"></a>00142 <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a> <a class="code" href="color-private_8h.html#4450d645257ce4896b3ddfb611eab414">PixelIntensityToQuantum</a>(<span class="keyword">const</span> <a class="code" href="struct__PixelPacket.html">PixelPacket</a> *pixel)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <span class="preprocessor">#if !defined(MAGICKCORE_HDRI_SUPPORT)</span>
<a name="l00145"></a>00145 <span class="preprocessor"></span>  <span class="keywordflow">return</span>((<a class="code" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a>) (0.299*pixel-&gt;<a class="code" href="struct__PixelPacket.html#f5a6eb37a9b0d850d8aabe7a96e50d15">red</a>+0.587*pixel-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a>+0.114*pixel-&gt;<a class="code" href="struct__PixelPacket.html#70693580f436f8cbec8693ac5db73110">blue</a>+0.5));
<a name="l00146"></a>00146 <span class="preprocessor">#else</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span>  <span class="keywordflow">return</span>((<a class="code" href="magick-type_8h.html#564764e59a8480d672edfe65cf2f7b35">Quantum</a>) (0.299*pixel-&gt;<a class="code" href="struct__PixelPacket.html#f5a6eb37a9b0d850d8aabe7a96e50d15">red</a>+0.587*pixel-&gt;<a class="code" href="struct__PixelPacket.html#6b608b2e227fd0bff9a2e7689acc2d5f">green</a>+0.114*pixel-&gt;<a class="code" href="struct__PixelPacket.html#70693580f436f8cbec8693ac5db73110">blue</a>));
<a name="l00148"></a>00148 <span class="preprocessor">#endif</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span>}
<a name="l00150"></a>00150 
<a name="l00151"></a>00151 <span class="preprocessor">#if defined(__cplusplus) || defined(c_plusplus)</span>
<a name="l00152"></a>00152 <span class="preprocessor"></span>}
<a name="l00153"></a>00153 <span class="preprocessor">#endif</span>
<a name="l00154"></a>00154 <span class="preprocessor"></span>
<a name="l00155"></a>00155 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Sat Jan 26 14:50:29 2008 for MagickCore by&nbsp;
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