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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#ifndef BOOST_GIL_PLANAR_PIXEL_REFERENCE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#define BOOST_GIL_PLANAR_PIXEL_REFERENCE_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;boost/gil/channel.hpp&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;boost/gil/color_base.hpp&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;boost/gil/concepts.hpp&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;boost/gil/pixel.hpp&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;boost/gil/planar_pixel_iterator.hpp&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;boost/gil/detail/mp11.hpp&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace&gt;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keyword">struct </span>planar_pixel_reference : detail::homogeneous_color_base</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    &lt;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        ChannelReference,</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        layout&lt;ColorSpace&gt;,</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        mp11::mp_size&lt;ColorSpace&gt;::value</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    &gt;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;{</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="keyword">using</span> parent_t =detail::homogeneous_color_base</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        &lt;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            ChannelReference,</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            layout&lt;ColorSpace&gt;,</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            mp11::mp_size&lt;ColorSpace&gt;::value</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        &gt;;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="comment">// These three are only defined for homogeneous pixels</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keyword">using</span> channel_t = <span class="keyword">typename</span> channel_traits&lt;ChannelReference&gt;::value_type;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keyword">using</span> channel_const_reference = <span class="keyword">typename</span> channel_traits&lt;ChannelReference&gt;::const_reference;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> is_mutable = channel_traits&lt;ChannelReference&gt;::is_mutable;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keyword">using</span> value_type = pixel&lt;channel_t,layout&lt;ColorSpace&gt;&gt;;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keyword">using</span> reference = planar_pixel_reference&lt;ChannelReference, ColorSpace&gt;;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keyword">using</span> const_reference = planar_pixel_reference&lt;channel_const_reference,ColorSpace&gt;;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    planar_pixel_reference(ChannelReference v0, ChannelReference v1)</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        : parent_t(v0, v1)</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    {}</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    planar_pixel_reference(ChannelReference v0, ChannelReference v1, ChannelReference v2)</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        : parent_t(v0, v1, v2)</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    {}</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    planar_pixel_reference(ChannelReference v0, ChannelReference v1, ChannelReference v2, ChannelReference v3)</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        : parent_t(v0, v1, v2, v3)</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    {}</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    planar_pixel_reference(ChannelReference v0, ChannelReference v1, ChannelReference v2, ChannelReference v3, ChannelReference v4)</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        : parent_t(v0, v1, v2, v3, v4)</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    {}</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    planar_pixel_reference(ChannelReference v0, ChannelReference v1, ChannelReference v2, ChannelReference v3, ChannelReference v4, ChannelReference v5)</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        : parent_t(v0, v1, v2, v3, v4, v5)</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    {}</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    planar_pixel_reference(planar_pixel_reference <span class="keyword">const</span>&amp; p) : parent_t(p) {}</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="comment">// TODO: What is the purpose of returning via const reference?</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keyword">auto</span> operator=(planar_pixel_reference <span class="keyword">const</span>&amp; p) <span class="keyword">const</span> -&gt; planar_pixel_reference <span class="keyword">const</span>&amp;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        static_copy(p, *<span class="keyword">this</span>);</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    }</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    planar_pixel_reference(Pixel <span class="keyword">const</span>&amp; p) : parent_t(p)</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    {</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;         check_compatible&lt;Pixel&gt;();</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    }</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="comment">// TODO: What is the purpose of returning via const reference?</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="keyword">auto</span> operator=(Pixel <span class="keyword">const</span>&amp; p) <span class="keyword">const</span> -&gt; planar_pixel_reference <span class="keyword">const</span>&amp;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    {</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        check_compatible&lt;Pixel&gt;();</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        static_copy(p, *<span class="keyword">this</span>);</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    }</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="comment">// PERFORMANCE_CHECK: Is this constructor necessary?</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelV, <span class="keyword">typename</span> Mapping&gt;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    planar_pixel_reference(pixel&lt;ChannelV, layout&lt;ColorSpace, Mapping&gt;&gt;&amp; p)</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;       : parent_t(p)</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    {</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        check_compatible&lt;pixel&lt;ChannelV, layout&lt;ColorSpace, Mapping&gt;&gt;&gt;();</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    }</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="comment">// Construct at offset from a given location</span></div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelPtr&gt;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    planar_pixel_reference(planar_pixel_iterator&lt;ChannelPtr, ColorSpace&gt; <span class="keyword">const</span>&amp; p, std::ptrdiff_t diff)</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        : parent_t(p, diff)</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    {}</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">// This overload is necessary for a compiler implementing Core Issue 574</span></div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="comment">// to prevent generation of an implicit copy assignment operator (the reason</span></div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">// for generating implicit copy assignment operator is that according to</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">// Core Issue 574, a cv-qualified assignment operator is not considered</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment">// &quot;copy assignment operator&quot;).</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">// EDG implemented Core Issue 574 starting with EDG Version 3.8. I&#39;m not</span></div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment">// sure why they did it for a template member function as well.</span></div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="preprocessor">#if BOOST_WORKAROUND(__HP_aCC, &gt;= 61700) || BOOST_WORKAROUND(__INTEL_COMPILER, &gt;= 1000)</span></div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">const</span> planar_pixel_reference&amp; operator=(<span class="keyword">const</span> planar_pixel_reference&amp; p) { static_copy(p,*<span class="keyword">this</span>); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <span class="keyword">const</span> planar_pixel_reference&amp; operator=(<span class="keyword">const</span> P&amp; p) { check_compatible&lt;P&gt;(); static_copy(p,*<span class="keyword">this</span>); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keywordtype">bool</span> operator==(Pixel <span class="keyword">const</span>&amp; p)<span class="keyword"> const</span></div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="keyword">    </span>{</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        check_compatible&lt;Pixel&gt;();</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">return</span> static_equal(*<span class="keyword">this</span>, p);</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    }</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordtype">bool</span> operator!=(Pixel <span class="keyword">const</span> &amp;p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == p); }</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keyword">auto</span> operator[](std::size_t i) <span class="keyword">const</span> -&gt; ChannelReference { <span class="keywordflow">return</span> this-&gt;at_c_dynamic(i); }</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keyword">auto</span> operator-&gt;() const -&gt; planar_pixel_reference const* { <span class="keywordflow">return</span> <span class="keyword">this</span>; }</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">void</span> check_compatible()</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    {</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        gil_function_requires&lt;PixelsCompatibleConcept&lt;Pixel, planar_pixel_reference&gt;&gt;();</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    }</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;};</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="comment">//  ColorBasedConcept</span></div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace, <span class="keywordtype">int</span> K&gt;</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="keyword">struct </span>kth_element_type&lt;planar_pixel_reference&lt;ChannelReference, ColorSpace&gt;, K&gt;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;{</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keyword">using</span> type = ChannelReference;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;};</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace, <span class="keywordtype">int</span> K&gt;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="keyword">struct </span>kth_element_reference_type</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    &lt;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        planar_pixel_reference&lt;ChannelReference, ColorSpace&gt;,</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        K</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    &gt;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;{</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keyword">using</span> type = ChannelReference;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;};</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace, <span class="keywordtype">int</span> K&gt;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="keyword">struct </span>kth_element_const_reference_type</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    &lt;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        planar_pixel_reference&lt;ChannelReference, ColorSpace&gt;,</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        K</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    &gt;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    : std::add_lvalue_reference&lt;typename std::add_const&lt;ChannelReference&gt;::type&gt;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;{</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="comment">//    using type = typename channel_traits&lt;ChannelReference&gt;::const_reference;</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;};</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="comment">//  PixelConcept</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace&gt;</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1is__pixel_3_01planar__pixel__reference_3_01_channel_reference_00_01_color_space_01_4_01_4.html">  194</a></span>&#160;<span class="keyword">struct </span>is_pixel&lt; <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a>&lt;ChannelReference, ColorSpace&gt;&gt;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    : std::true_type</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;{};</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">//  HomogeneousPixelBasedConcept</span></div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace&gt;</div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1color__space__type_3_01planar__pixel__reference_3_01_channel_reference_00_01_color_space_01_4_01_4.html">  205</a></span>&#160;<span class="keyword">struct </span>color_space_type&lt;<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a>&lt;ChannelReference,ColorSpace&gt; &gt; {</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keyword">using</span> type = ColorSpace;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;};</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace&gt;</div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1channel__mapping__type_3_01planar__pixel__reference_3_01_channel_reference_00_01_color_space_01_4_01_4.html">  212</a></span>&#160;<span class="keyword">struct </span>channel_mapping_type&lt;<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a>&lt;ChannelReference,ColorSpace&gt; &gt; {</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> layout&lt;ColorSpace&gt;::channel_mapping_t;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;};</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace&gt;</div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1is__planar_3_01planar__pixel__reference_3_01_channel_reference_00_01_color_space_01_4_01_4.html">  219</a></span>&#160;<span class="keyword">struct </span>is_planar&lt;<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a>&lt;ChannelReference, ColorSpace&gt;&gt;</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    : std::true_type</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;{};</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace&gt;</div><div class="line"><a name="l00226"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1channel__type_3_01planar__pixel__reference_3_01_channel_reference_00_01_color_space_01_4_01_4.html">  226</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type</a>&lt;<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a>&lt;ChannelReference,ColorSpace&gt; &gt; {</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="keyword">using</span> type = <span class="keyword">typename</span> channel_traits&lt;ChannelReference&gt;::value_type;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;};</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;}}  <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="keyword">namespace </span>std {</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment">// We are forced to define swap inside std namespace because on some platforms (Visual Studio 8) STL calls swap qualified.</span></div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment">// swap with &#39;left bias&#39;:</span></div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="comment">// - swap between proxy and anything</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="comment">// - swap between value type and proxy</span></div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="comment">// - swap between proxy and proxy</span></div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="comment">// Having three overloads allows us to swap between different (but compatible) models of PixelConcept</span></div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> CR, <span class="keyword">typename</span> CS, <span class="keyword">typename</span> R&gt; <span class="keyword">inline</span></div><div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="group___pixel_model_planar_ref.html#gac1855b0fafda74af530813672c6ce65c">  243</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___pixel_model_planar_ref.html#gac535985999b55dddc716a7fea20ce5e2">swap</a>(<span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference&lt;CR,CS&gt;</a> x, R&amp; y) {</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    boost::gil::swap_proxy&lt;typename boost::gil::planar_pixel_reference&lt;CR,CS&gt;::value_type&gt;(x,y);</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;}</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> CR, <span class="keyword">typename</span> CS&gt; <span class="keyword">inline</span></div><div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="group___pixel_model_planar_ref.html#ga969f83be8690210f205e16b3a09fd3cc">  250</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___pixel_model_planar_ref.html#gac535985999b55dddc716a7fea20ce5e2">swap</a>(<span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::planar_pixel_reference&lt;CR,CS&gt;::value_type</a>&amp; x, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference&lt;CR,CS&gt;</a> y) {</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    boost::gil::swap_proxy&lt;typename boost::gil::planar_pixel_reference&lt;CR,CS&gt;::value_type&gt;(x,y);</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;}</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> CR, <span class="keyword">typename</span> CS&gt; <span class="keyword">inline</span></div><div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="group___pixel_model_planar_ref.html#gac535985999b55dddc716a7fea20ce5e2">  257</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___pixel_model_planar_ref.html#gac535985999b55dddc716a7fea20ce5e2">swap</a>(<span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference&lt;CR,CS&gt;</a> x, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference&lt;CR,CS&gt;</a> y) {</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    boost::gil::swap_proxy&lt;typename boost::gil::planar_pixel_reference&lt;CR,CS&gt;::value_type&gt;(x,y);</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;}</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;}   <span class="comment">// namespace std</span></div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1planar__pixel__reference_html"><div class="ttname"><a href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference</a></div><div class="ttdoc">A reference proxy to a planar pixel.</div><div class="ttdef"><b>Definition:</b> metafunctions.hpp:25</div></div>
  51 <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>
  52 <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>
  53 <div class="ttc" id="group___pixel_model_planar_ref_html_gac535985999b55dddc716a7fea20ce5e2"><div class="ttname"><a href="group___pixel_model_planar_ref.html#gac535985999b55dddc716a7fea20ce5e2">std::swap</a></div><div class="ttdeci">void swap(const boost::gil::planar_pixel_reference&lt; CR, CS &gt; x, const boost::gil::planar_pixel_reference&lt; CR, CS &gt; y)</div><div class="ttdoc">swap for planar_pixel_reference</div><div class="ttdef"><b>Definition:</b> planar_pixel_reference.hpp:257</div></div>
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