| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980 |
- <!-- HTML header for doxygen 1.8.13-->
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
- <meta http-equiv="X-UA-Compatible" content="IE=9"/>
- <meta name="generator" content="Doxygen 1.8.15"/>
- <meta name="viewport" content="width=device-width, initial-scale=1"/>
- <title>Generic Image Library: color_convert.hpp Source File</title>
- <link href="tabs.css" rel="stylesheet" type="text/css"/>
- <script type="text/javascript" src="jquery.js"></script>
- <script type="text/javascript" src="dynsections.js"></script>
- <link href="doxygen.css" rel="stylesheet" type="text/css" />
- <link href="doxygen-boost.css" rel="stylesheet" type="text/css"/>
- </head>
- <body>
- <div class="boost-header">
- <table border="0" cellpadding="7" cellspacing="0" width="100%" summary="header">
- <tr>
- <td valign="top" width="300">
- <h3><a href="../index.html"><img alt="Boost GIL" src="../_static/gil.png" border="0"></a></h3>
- </td>
- <td ><h1 align="center"><a href="../index.html"></a></h1></td>
- <td></td>
- </tr>
- </table>
- </div>
- <hr/>
- <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
- <!-- Generated by Doxygen 1.8.15 -->
- <script type="text/javascript" src="menudata.js"></script>
- <script type="text/javascript" src="menu.js"></script>
- <script type="text/javascript">
- /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
- $(function() {
- initMenu('',false,false,'search.php','Search');
- });
- /* @license-end */</script>
- <div id="main-nav"></div>
- <div id="nav-path" class="navpath">
- <ul>
- <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_1878a3f4746a95c6aad317458cc7ef80.html">boost</a></li><li class="navelem"><a class="el" href="dir_df4750f408086f9b9c1b5ee4251365ff.html">gil</a></li> </ul>
- </div>
- </div><!-- top -->
- <div class="header">
- <div class="headertitle">
- <div class="title">color_convert.hpp</div> </div>
- </div><!--header-->
- <div class="contents">
- <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef BOOST_GIL_COLOR_CONVERT_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_COLOR_CONVERT_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/gil/channel_algorithm.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/cmyk.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/color_base_algorithm.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/gray.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/gil/metafunctions.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <boost/gil/pixel.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/gil/rgb.hpp></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <boost/gil/rgba.hpp></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/gil/utilities.hpp></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <functional></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Forward-declare</span></div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1channel__type.html"> 31</a></span> <span class="keyword">template</span> <<span class="keyword">typename</span> P> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type</a>;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">template</span> <<span class="keyword">typename</span> C1, <span class="keyword">typename</span> C2></div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl.html"> 42</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a> {};</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">template</span> <<span class="keyword">typename</span> C></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01_c_00_01_c_01_4.html"> 47</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><C,C> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  static_for_each(src,dst,<a class="code" href="structboost_1_1gil_1_1default__channel__converter.html">default_channel_converter</a>());</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> };</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// The default implementation of to_luminance uses float0..1 as the intermediate channel type</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">template</span> <<span class="keyword">typename</span> RedChannel, <span class="keyword">typename</span> GreenChannel, <span class="keyword">typename</span> BlueChannel, <span class="keyword">typename</span> GrayChannelValue></div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1rgb__to__luminance__fn.html"> 60</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1rgb__to__luminance__fn.html">rgb_to_luminance_fn</a> {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  GrayChannelValue operator()(<span class="keyword">const</span> RedChannel& red, <span class="keyword">const</span> GreenChannel& green, <span class="keyword">const</span> BlueChannel& blue)<span class="keyword"> const </span>{</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> channel_convert<GrayChannelValue>(<a class="code" href="group___channel_model.html#gaa70e2f51d4342cd54a28684f20c6135b">float32_t</a>(</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  channel_convert<float32_t>(red )*0.30f +</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  channel_convert<float32_t>(green)*0.59f +</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  channel_convert<float32_t>(blue )*0.11f) );</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> };</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// performance specialization for unsigned char</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span> <<span class="keyword">typename</span> GrayChannelValue></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1rgb__to__luminance__fn.html">rgb_to_luminance_fn</a><uint8_t,uint8_t,uint8_t, GrayChannelValue> {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  GrayChannelValue operator()(uint8_t red, uint8_t green, uint8_t blue)<span class="keyword"> const </span>{</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> channel_convert<GrayChannelValue>(uint8_t(</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  ((uint32_t(red )*4915 + uint32_t(green)*9667 + uint32_t(blue )*1802) + 8192) >> 14));</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> };</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">template</span> <<span class="keyword">typename</span> GrayChannel, <span class="keyword">typename</span> RedChannel, <span class="keyword">typename</span> GreenChannel, <span class="keyword">typename</span> BlueChannel></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">typename</span> channel_traits<GrayChannel>::value_type rgb_to_luminance(<span class="keyword">const</span> RedChannel& red, <span class="keyword">const</span> GreenChannel& green, <span class="keyword">const</span> BlueChannel& blue) {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> rgb_to_luminance_fn<RedChannel,GreenChannel,BlueChannel,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typename</span> channel_traits<GrayChannel>::value_type>()(red,green,blue);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01gray__t_00_01rgb__t_01_4.html"> 89</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><gray_t,rgb_t> {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>()) =</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  channel_convert<typename color_element_type<P2, red_t >::type>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>()));</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>())=</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  channel_convert<typename color_element_type<P2, green_t>::type>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>()));</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>()) =</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  channel_convert<typename color_element_type<P2, blue_t >::type>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>()));</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> };</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01gray__t_00_01cmyk__t_01_4.html"> 104</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><gray_t,cmyk_t> {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>())=</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  channel_traits<typename color_element_type<P2, cyan_t >::type>::min_value();</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>())=</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  channel_traits<typename color_element_type<P2, magenta_t>::type>::min_value();</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>())=</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  channel_traits<typename color_element_type<P2, yellow_t >::type>::min_value();</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())=</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  channel_convert<typename color_element_type<P2, black_t >::type>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>()));</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> };</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01rgb__t_00_01gray__t_01_4.html"> 121</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><rgb_t,gray_t> {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>()) =</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  detail::rgb_to_luminance<typename color_element_type<P2,gray_color_t>::type>(</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>()), <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>()), <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>())</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  );</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> };</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01rgb__t_00_01cmyk__t_01_4.html"> 140</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><rgb_t,cmyk_t> {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">using</span> T2 = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<P2>::type</a>;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>()) = <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(channel_convert<T2>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>()))); <span class="comment">// c = 1 - r</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>()) = <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(channel_convert<T2>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>()))); <span class="comment">// m = 1 - g</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>()) = <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(channel_convert<T2>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>()))); <span class="comment">// y = 1 - b</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>()) = (std::min)(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>()),</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  (std::min)(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>()),</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>()))); <span class="comment">// k = minimum(c, m, y)</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  T2 x = channel_traits<T2>::max_value()-<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>()); <span class="comment">// x = 1 - k</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (x>0.0001f) {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">float</span> x1 = channel_traits<T2>::max_value()/float(x);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>()) = (T2)((<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>()) - <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>()))*x1); <span class="comment">// c = (c - k) / x</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>()) = (T2)((<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>()) - <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>()))*x1); <span class="comment">// m = (m - k) / x</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>()) = (T2)((<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>()) - <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>()))*x1); <span class="comment">// y = (y - k) / x</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>())=<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>())=<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>())=0;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> };</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01cmyk__t_00_01rgb__t_01_4.html"> 169</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><cmyk_t,rgb_t> {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">using</span> T1 = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<P1>::type</a>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>()) =</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  channel_convert<typename color_element_type<P2,red_t>::type>(</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  channel_invert<T1>(</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  (std::min)(channel_traits<T1>::max_value(),</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  T1(<a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>()),<a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())))+<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())))));</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>())=</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  channel_convert<typename color_element_type<P2,green_t>::type>(</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  channel_invert<T1>(</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  (std::min)(channel_traits<T1>::max_value(),</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  T1(<a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>()),<a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())))+<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())))));</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>()) =</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  channel_convert<typename color_element_type<P2,blue_t>::type>(</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  channel_invert<T1>(</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  (std::min)(channel_traits<T1>::max_value(),</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  T1(<a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>()),<a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())))+<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())))));</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> };</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01cmyk__t_00_01gray__t_01_4.html"> 197</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><cmyk_t,gray_t> {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>())=</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  channel_convert<typename color_element_type<P2,gray_color_t>::type>(</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  detail::rgb_to_luminance<<span class="keyword">typename</span> color_element_type<P1,black_t>::type>(</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1cyan__t.html">cyan_t</a>()),</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1magenta__t.html">magenta_t</a>()),</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1yellow__t.html">yellow_t</a>())</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  )</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  ),</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>()))));</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> };</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">auto</span> alpha_or_max_impl(Pixel <span class="keyword">const</span>& p, std::true_type) -> <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<Pixel>::type</a></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> {</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(p,<a class="code" href="structboost_1_1gil_1_1alpha__t.html">alpha_t</a>());</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">auto</span> alpha_or_max_impl(Pixel <span class="keyword">const</span>&, std::false_type) -> <span class="keyword">typename</span> channel_type<Pixel>::type</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> channel_traits<typename channel_type<Pixel>::type>::max_value();</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> }</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// Returns max_value if the pixel has no alpha channel. Otherwise returns the alpha.</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">auto</span> alpha_or_max(Pixel <span class="keyword">const</span>& p) -> <span class="keyword">typename</span> channel_type<Pixel>::type</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> detail::alpha_or_max_impl(</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  p,</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  mp11::mp_contains<<span class="keyword">typename</span> color_space_type<Pixel>::type, alpha_t>());</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">template</span> <<span class="keyword">typename</span> C1></div><div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01_c1_00_01rgba__t_01_4.html"> 242</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><C1,rgba_t> {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">using</span> T2 = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<P2>::type</a>;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T2,rgb_layout_t></a> tmp;</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl<C1,rgb_t></a>()(src,tmp);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>()) =<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(tmp,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>());</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>())=<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(tmp,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>());</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>()) =<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(tmp,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>());</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1alpha__t.html">alpha_t</a>())=channel_convert<T2>(alpha_or_max(src));</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> };</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keyword">template</span> <<span class="keyword">typename</span> C2></div><div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01rgba__t_00_01_c2_01_4.html"> 262</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><rgba_t,C2> {</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">using</span> T1 = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<P1>::type</a>;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl<rgb_t,C2></a>()(</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T1,rgb_layout_t></a>(<a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1red__t.html">red_t</a>()), <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1alpha__t.html">alpha_t</a>())),</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1green__t.html">green_t</a>()),<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1alpha__t.html">alpha_t</a>())),</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">channel_multiply</a>(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1blue__t.html">blue_t</a>()), <a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1alpha__t.html">alpha_t</a>())))</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  ,dst);</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> };</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter__impl_3_01rgba__t_00_01rgba__t_01_4.html"> 277</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl</a><rgba_t,rgba_t> {</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P1, <span class="keyword">typename</span> P2></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> P1& src, P2& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  static_for_each(src,dst,<a class="code" href="structboost_1_1gil_1_1default__channel__converter.html">default_channel_converter</a>());</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> };</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1default__color__converter.html"> 290</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1default__color__converter.html">default_color_converter</a> {</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> SrcP, <span class="keyword">typename</span> DstP></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> SrcP& src,DstP& dst)<span class="keyword"> const </span>{</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">using</span> SrcColorSpace = <span class="keyword">typename</span> color_space_type<SrcP>::type;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">using</span> DstColorSpace = <span class="keyword">typename</span> color_space_type<DstP>::type;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <a class="code" href="structboost_1_1gil_1_1default__color__converter__impl.html">default_color_converter_impl<SrcColorSpace,DstColorSpace></a>()(src,dst);</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> };</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="keyword">template</span> <<span class="keyword">typename</span> SrcP, <span class="keyword">typename</span> DstP></div><div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="group___pixel_algorithm.html#ga2c2107ab8394425575732b46125e2076"> 304</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group___pixel_algorithm.html#ga2c2107ab8394425575732b46125e2076">color_convert</a>(<span class="keyword">const</span> SrcP& src, DstP& dst) {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <a class="code" href="structboost_1_1gil_1_1default__color__converter.html">default_color_converter</a>()(src,dst);</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> }</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> } } <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1magenta__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1magenta__t.html">boost::gil::magenta_t</a></div><div class="ttdoc">Magenta.</div><div class="ttdef"><b>Definition:</b> cmyk.hpp:25</div></div>
- <div class="ttc" id="group___channel_invert_algorithm_html_gabbbc7b27d9f61ff45cf5ea7ac21051f5"><div class="ttname"><a href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">boost::gil::channel_invert</a></div><div class="ttdeci">channel_traits< Channel >::value_type channel_invert(Channel x)</div><div class="ttdoc">Default implementation. Provide overloads for performance.</div><div class="ttdef"><b>Definition:</b> channel_algorithm.hpp:559</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1pixel_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel</a></div><div class="ttdoc">Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept,...</div><div class="ttdef"><b>Definition:</b> metafunctions.hpp:23</div></div>
- <div class="ttc" id="group___channel_model_html_gaa70e2f51d4342cd54a28684f20c6135b"><div class="ttname"><a href="group___channel_model.html#gaa70e2f51d4342cd54a28684f20c6135b">boost::gil::float32_t</a></div><div class="ttdeci">scoped_channel_value< float, float_point_zero< float >, float_point_one< float > > float32_t</div><div class="ttdoc">32-bit floating point channel type with range [0.0f ... 1.0f]. Models ChannelValueConcept</div><div class="ttdef"><b>Definition:</b> typedefs.hpp:124</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1yellow__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1yellow__t.html">boost::gil::yellow_t</a></div><div class="ttdoc">Yellow.</div><div class="ttdef"><b>Definition:</b> cmyk.hpp:28</div></div>
- <div class="ttc" id="group___channel_multiply_algorithm_html_ga0af81efbbb77846afe2570f242d2b974"><div class="ttname"><a href="group___channel_multiply_algorithm.html#ga0af81efbbb77846afe2570f242d2b974">boost::gil::channel_multiply</a></div><div class="ttdeci">channel_traits< Channel >::value_type channel_multiply(Channel a, Channel b)</div><div class="ttdoc">A function multiplying two channels. result = a * b / max_value.</div><div class="ttdef"><b>Definition:</b> channel_algorithm.hpp:539</div></div>
- <div class="ttc" id="group___color_base_algorithm_color_html_gab2d1dda637cb2b7c32cc87f199ea1dc0"><div class="ttname"><a href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">boost::gil::get_color</a></div><div class="ttdeci">color_element_reference_type< ColorBase, Color >::type get_color(ColorBase &cb, Color=Color())</div><div class="ttdoc">Mutable accessor to the element associated with a given color name.</div><div class="ttdef"><b>Definition:</b> color_base_algorithm.hpp:190</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1green__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1green__t.html">boost::gil::green_t</a></div><div class="ttdoc">Green.</div><div class="ttdef"><b>Definition:</b> rgb.hpp:27</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1default__channel__converter_html"><div class="ttname"><a href="structboost_1_1gil_1_1default__channel__converter.html">boost::gil::default_channel_converter</a></div><div class="ttdoc">Same as channel_converter, except it takes the destination channel by reference, which allows us to m...</div><div class="ttdef"><b>Definition:</b> channel_algorithm.hpp:460</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1alpha__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1alpha__t.html">boost::gil::alpha_t</a></div><div class="ttdoc">Alpha.</div><div class="ttdef"><b>Definition:</b> rgba.hpp:22</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1channel__type_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__type.html">boost::gil::channel_type</a></div><div class="ttdef"><b>Definition:</b> color_convert.hpp:31</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1default__color__converter__impl_html"><div class="ttname"><a href="structboost_1_1gil_1_1default__color__converter__impl.html">boost::gil::default_color_converter_impl</a></div><div class="ttdoc">Color Convertion function object. To be specialized for every src/dst color space.</div><div class="ttdef"><b>Definition:</b> color_convert.hpp:42</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1blue__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1blue__t.html">boost::gil::blue_t</a></div><div class="ttdoc">Blue.</div><div class="ttdef"><b>Definition:</b> rgb.hpp:30</div></div>
- <div class="ttc" id="group___pixel_algorithm_html_ga2c2107ab8394425575732b46125e2076"><div class="ttname"><a href="group___pixel_algorithm.html#ga2c2107ab8394425575732b46125e2076">boost::gil::color_convert</a></div><div class="ttdeci">void color_convert(const SrcP &src, DstP &dst)</div><div class="ttdoc">helper function for converting one pixel to another using GIL default color-converters where ScrP mod...</div><div class="ttdef"><b>Definition:</b> color_convert.hpp:304</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1detail_1_1rgb__to__luminance__fn_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1rgb__to__luminance__fn.html">boost::gil::detail::rgb_to_luminance_fn</a></div><div class="ttdoc">red * .3 + green * .59 + blue * .11 + .5</div><div class="ttdef"><b>Definition:</b> color_convert.hpp:60</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1black__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1black__t.html">boost::gil::black_t</a></div><div class="ttdoc">Black.</div><div class="ttdef"><b>Definition:</b> cmyk.hpp:31</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1red__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1red__t.html">boost::gil::red_t</a></div><div class="ttdoc">Red.</div><div class="ttdef"><b>Definition:</b> rgb.hpp:24</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1gray__color__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1gray__color__t.html">boost::gil::gray_color_t</a></div><div class="ttdoc">Gray.</div><div class="ttdef"><b>Definition:</b> gray.hpp:18</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1cyan__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1cyan__t.html">boost::gil::cyan_t</a></div><div class="ttdoc">Cyan.</div><div class="ttdef"><b>Definition:</b> cmyk.hpp:22</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1default__color__converter_html"><div class="ttname"><a href="structboost_1_1gil_1_1default__color__converter.html">boost::gil::default_color_converter</a></div><div class="ttdoc">class for color-converting one pixel to another</div><div class="ttdef"><b>Definition:</b> color_convert.hpp:290</div></div>
- </div><!-- fragment --></div><!-- contents -->
- <!-- HTML footer for doxygen 1.8.13-->
- <!-- start footer part -->
- <hr class="footer"/>
- <address class="footer">
- <small>
- Generated by  <a href="http://www.doxygen.org/index.html">doxygen</a> 1.8.15
- </small>
- </address>
- </body>
- </html>
|
