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- <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_PLANAR_PIXEL_REFERENCE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_PLANAR_PIXEL_REFERENCE_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.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/color_base.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/concepts.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/pixel.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/gil/planar_pixel_iterator.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <boost/gil/detail/mp11.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <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> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <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>  <</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  ChannelReference,</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  layout<ColorSpace>,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  mp11::mp_size<ColorSpace>::value</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  ></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">using</span> parent_t =detail::homogeneous_color_base</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  ChannelReference,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  layout<ColorSpace>,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  mp11::mp_size<ColorSpace>::value</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">private</span>:</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <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>  <span class="keyword">using</span> channel_t = <span class="keyword">typename</span> channel_traits<ChannelReference>::value_type;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">using</span> channel_const_reference = <span class="keyword">typename</span> channel_traits<ChannelReference>::const_reference;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> is_mutable = channel_traits<ChannelReference>::is_mutable;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">using</span> value_type = pixel<channel_t,layout<ColorSpace>>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">using</span> reference = planar_pixel_reference<ChannelReference, ColorSpace>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">using</span> const_reference = planar_pixel_reference<channel_const_reference,ColorSpace>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  planar_pixel_reference(ChannelReference v0, ChannelReference v1)</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  : parent_t(v0, v1)</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>  planar_pixel_reference(ChannelReference v0, ChannelReference v1, ChannelReference v2)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  : parent_t(v0, v1, v2)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {}</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  planar_pixel_reference(ChannelReference v0, ChannelReference v1, ChannelReference v2, ChannelReference v3)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  : parent_t(v0, v1, v2, v3)</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>  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>  : parent_t(v0, v1, v2, v3, v4)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {}</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  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>  : parent_t(v0, v1, v2, v3, v4, v5)</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> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  planar_pixel_reference(planar_pixel_reference <span class="keyword">const</span>& p) : parent_t(p) {}</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <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>  <span class="keyword">auto</span> operator=(planar_pixel_reference <span class="keyword">const</span>& p) <span class="keyword">const</span> -> planar_pixel_reference <span class="keyword">const</span>&</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  static_copy(p, *<span class="keyword">this</span>);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  planar_pixel_reference(Pixel <span class="keyword">const</span>& p) : parent_t(p)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  check_compatible<Pixel>();</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>  <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>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">auto</span> operator=(Pixel <span class="keyword">const</span>& p) <span class="keyword">const</span> -> planar_pixel_reference <span class="keyword">const</span>&</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  check_compatible<Pixel>();</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  static_copy(p, *<span class="keyword">this</span>);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// PERFORMANCE_CHECK: Is this constructor necessary?</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelV, <span class="keyword">typename</span> Mapping></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  planar_pixel_reference(pixel<ChannelV, layout<ColorSpace, Mapping>>& p)</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  : parent_t(p)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  check_compatible<pixel<ChannelV, layout<ColorSpace, Mapping>>>();</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>  <span class="comment">// Construct at offset from a given location</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelPtr></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  planar_pixel_reference(planar_pixel_iterator<ChannelPtr, ColorSpace> <span class="keyword">const</span>& p, std::ptrdiff_t diff)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  : parent_t(p, diff)</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  {}</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <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> <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> <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> <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> <span class="comment">// "copy assignment operator").</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// EDG implemented Core Issue 574 starting with EDG Version 3.8. I'm not</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <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> <span class="preprocessor">#if BOOST_WORKAROUND(__HP_aCC, >= 61700) || BOOST_WORKAROUND(__INTEL_COMPILER, >= 1000)</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> planar_pixel_reference& operator=(<span class="keyword">const</span> planar_pixel_reference& 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>  <span class="keyword">template</span> <<span class="keyword">typename</span> P> <span class="keyword">const</span> planar_pixel_reference& operator=(<span class="keyword">const</span> P& p) { check_compatible<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="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">bool</span> operator==(Pixel <span class="keyword">const</span>& p)<span class="keyword"> const</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  check_compatible<Pixel>();</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <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>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordtype">bool</span> operator!=(Pixel <span class="keyword">const</span> &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> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">auto</span> operator[](std::size_t i) <span class="keyword">const</span> -> ChannelReference { <span class="keywordflow">return</span> this->at_c_dynamic(i); }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">auto</span> operator->() const -> 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> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <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>  {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  gil_function_requires<PixelsCompatibleConcept<Pixel, planar_pixel_reference>>();</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> };</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// ColorBasedConcept</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">struct </span>kth_element_type<planar_pixel_reference<ChannelReference, ColorSpace>, K></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">using</span> type = ChannelReference;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> };</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">struct </span>kth_element_reference_type</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  planar_pixel_reference<ChannelReference, ColorSpace>,</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  K</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">using</span> type = ChannelReference;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> };</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">struct </span>kth_element_const_reference_type</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  planar_pixel_reference<ChannelReference, ColorSpace>,</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  K</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  ></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  : std::add_lvalue_reference<typename std::add_const<ChannelReference>::type></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// using type = typename channel_traits<ChannelReference>::const_reference;</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> };</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">// PixelConcept</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"></span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></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> <span class="keyword">struct </span>is_pixel< <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a><ChannelReference, ColorSpace>></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  : std::true_type</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> {};</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">// HomogeneousPixelBasedConcept</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"></span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></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> <span class="keyword">struct </span>color_space_type<<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a><ChannelReference,ColorSpace> > {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">using</span> type = ColorSpace;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> };</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></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> <span class="keyword">struct </span>channel_mapping_type<<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a><ChannelReference,ColorSpace> > {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">using</span> type = <span class="keyword">typename</span> layout<ColorSpace>::channel_mapping_t;</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> };</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></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> <span class="keyword">struct </span>is_planar<<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a><ChannelReference, ColorSpace>></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  : std::true_type</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> {};</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></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> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type</a><<a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">planar_pixel_reference</a><ChannelReference,ColorSpace> > {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">using</span> type = <span class="keyword">typename</span> channel_traits<ChannelReference>::value_type;</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> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> }} <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="keyword">namespace </span>std {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <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> <span class="comment">// swap with 'left bias':</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// - swap between proxy and anything</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// - swap between value type and proxy</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment">// - swap between proxy and proxy</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <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> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword">template</span> <<span class="keyword">typename</span> CR, <span class="keyword">typename</span> CS, <span class="keyword">typename</span> R> <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> <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<CR,CS></a> x, R& y) {</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  boost::gil::swap_proxy<typename boost::gil::planar_pixel_reference<CR,CS>::value_type>(x,y);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="keyword">template</span> <<span class="keyword">typename</span> CR, <span class="keyword">typename</span> CS> <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> <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<CR,CS>::value_type</a>& x, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference<CR,CS></a> y) {</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  boost::gil::swap_proxy<typename boost::gil::planar_pixel_reference<CR,CS>::value_type>(x,y);</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="l00256"></a><span class="lineno"> 256</span> <span class="keyword">template</span> <<span class="keyword">typename</span> CR, <span class="keyword">typename</span> CS> <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> <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<CR,CS></a> x, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__reference.html">boost::gil::planar_pixel_reference<CR,CS></a> y) {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  boost::gil::swap_proxy<typename boost::gil::planar_pixel_reference<CR,CS>::value_type>(x,y);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <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>
- <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="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="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< CR, CS > x, const boost::gil::planar_pixel_reference< CR, CS > 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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