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41<h1>rgba.hpp</h1><a href="rgba_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
42<a name="l00002"></a>00002 <span class="comment">    Copyright 2005-2007 Adobe Systems Incorporated</span>
43<a name="l00003"></a>00003 <span class="comment">   </span>
44<a name="l00004"></a>00004 <span class="comment">    Use, modification and distribution are subject to the Boost Software License,</span>
45<a name="l00005"></a>00005 <span class="comment">    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
46<a name="l00006"></a>00006 <span class="comment">    http://www.boost.org/LICENSE_1_0.txt).</span>
47<a name="l00007"></a>00007 <span class="comment"></span>
48<a name="l00008"></a>00008 <span class="comment">    See http://opensource.adobe.com/gil for most recent version including documentation.</span>
49<a name="l00009"></a>00009 <span class="comment">*/</span>
50<a name="l00010"></a>00010 <span class="comment">/*************************************************************************************************/</span>
51<a name="l00011"></a>00011 
52<a name="l00012"></a>00012 <span class="preprocessor">#ifndef GIL_RGBA_H</span>
53<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define GIL_RGBA_H</span>
54<a name="l00014"></a>00014 <span class="preprocessor"></span>
55<a name="l00022"></a>00022 
56<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;cstddef&gt;</span>
57<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="g_i_l_0094.html" title="GIL configuration file.">gil_config.hpp</a>"</span>
58<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;boost/mpl/contains.hpp&gt;</span>
59<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="rgb_8hpp.html" title="Support for RGB color space and variants.">rgb.hpp</a>"</span>
60<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="g_i_l_0247.html" title="planar pixel pointer class">planar_pixel_iterator.hpp</a>"</span>
61<a name="l00028"></a>00028 
62<a name="l00029"></a>00029 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {
63<a name="l00030"></a>00030 
64<a name="l00033"></a><a class="code" href="g_i_l_0385.html">00033</a> <span class="keyword">struct </span><a class="code" href="g_i_l_0385.html" title="Alpha.">alpha_t</a> {};    
65<a name="l00034"></a>00034 
66<a name="l00036"></a>00036 <span class="keyword">typedef</span> mpl::vector4&lt;red_t,green_t,blue_t,alpha_t&gt; rgba_t;
67<a name="l00037"></a>00037 
68<a name="l00039"></a>00039 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;rgba_t&gt;</a> <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">rgba_layout_t</a>;
69<a name="l00041"></a>00041 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;rgba_t, mpl::vector4_c&lt;int,2,1,0,3&gt;</a> &gt; <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">bgra_layout_t</a>;
70<a name="l00043"></a>00043 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;rgba_t, mpl::vector4_c&lt;int,1,2,3,0&gt;</a> &gt; <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">argb_layout_t</a>;
71<a name="l00045"></a>00045 <span class="keyword">typedef</span> <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">layout&lt;rgba_t, mpl::vector4_c&lt;int,3,2,1,0&gt;</a> &gt; <a class="code" href="g_i_l_0567.html" title="Represents a color space and ordering of channels in memory.">abgr_layout_t</a>;
72<a name="l00046"></a>00046 
73<a name="l00049"></a>00049 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IC&gt;
74<a name="l00050"></a>00050 <span class="keyword">inline</span>
75<a name="l00051"></a>00051 <span class="keyword">typename</span> <a class="code" href="g_i_l_0627.html" title="Given a pixel iterator defining access to pixels along a row, returns the types of...">type_from_x_iterator&lt;planar_pixel_iterator&lt;IC,rgba_t&gt;</a> &gt;::view_t
76<a name="l00052"></a><a class="code" href="g_i_l_0140.html#gc7d1032a77099c19050f18418e109620">00052</a> <a class="code" href="g_i_l_0140.html#gc7d1032a77099c19050f18418e109620" title="from raw RGBA planar data">planar_rgba_view</a>(std::size_t width, std::size_t height,
77<a name="l00053"></a>00053                  IC r, IC g, IC b, IC a,
78<a name="l00054"></a>00054                  std::ptrdiff_t rowsize_in_bytes) {
79<a name="l00055"></a>00055     <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0627.html" title="Given a pixel iterator defining access to pixels along a row, returns the types of...">type_from_x_iterator&lt;planar_pixel_iterator&lt;IC,rgba_t&gt;</a> &gt;::view_t RView;
80<a name="l00056"></a>00056     <span class="keywordflow">return</span> RView(width, height,
81<a name="l00057"></a>00057                  <span class="keyword">typename</span> RView::locator(<a class="code" href="g_i_l_0609.html" title="An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept...">planar_pixel_iterator&lt;IC,rgba_t&gt;</a>(r,g,b,a),
82<a name="l00058"></a>00058                                          rowsize_in_bytes));
83<a name="l00059"></a>00059 }
84<a name="l00060"></a>00060 
85<a name="l00061"></a>00061 } }  <span class="comment">// namespace boost::gil</span>
86<a name="l00062"></a>00062 
87<a name="l00063"></a>00063 <span class="preprocessor">#endif</span>
88</pre></div></div>
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