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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_CONCEPTS_COLOR_BASE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_CONCEPTS_COLOR_BASE_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/concepts/basic.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/concepts/color.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/concepts/concept_check.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/concepts/fwd.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <boost/core/ignore_unused.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#if defined(BOOST_CLANG)</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#pragma clang diagnostic push</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#pragma clang diagnostic ignored "-Wunused-local-typedefs"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#if defined(BOOST_GCC) && (BOOST_GCC >= 40900)</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#pragma GCC diagnostic push</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#pragma GCC diagnostic ignored "-Wunused-local-typedefs"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Forward declarations of at_c</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Element, <span class="keyword">typename</span> Layout, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">struct </span>homogeneous_color_base;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> E, <span class="keyword">typename</span> L, <span class="keywordtype">int</span> N></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>(detail::homogeneous_color_base<E, L, N>& p)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  -> <span class="keyword">typename</span> std::add_lvalue_reference<E>::type;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> E, <span class="keyword">typename</span> L, <span class="keywordtype">int</span> N></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>(detail::homogeneous_color_base<E, L, N> <span class="keyword">const</span>& p)</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  -> <span class="keyword">typename</span> std::add_lvalue_reference<typename std::add_const<E>::type>::type;</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">template</span> <<span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">struct </span>packed_pixel;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>(packed_pixel<P, C, L>& p)</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  -> <span class="keyword">typename</span> kth_element_reference_type<packed_pixel<P, C, L>, K>::type;</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">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> P, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>(packed_pixel<P, C, L> <span class="keyword">const</span>& p)</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  -> <span class="keyword">typename</span> kth_element_const_reference_type<packed_pixel<P, C, L>, K>::type;</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="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">struct </span>bit_aligned_pixel_reference;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">inline</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>(bit_aligned_pixel_reference<B, C, L, M> <span class="keyword">const</span>& p)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  -> <span class="keyword">typename</span> kth_element_reference_type</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>  bit_aligned_pixel_reference<B, C, L, M>,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  K</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  >::type;</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">// Forward declarations of semantic_at_c</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_algorithm_semantic_at_c.html#ga573a620f96007b12bfe165db664f511a">semantic_at_c</a>(ColorBase& p)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  -> <span class="keyword">typename</span> std::enable_if</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  !std::is_const<ColorBase>::value,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">typename</span> kth_semantic_element_reference_type<ColorBase, K>::type</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  >::type;</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="keywordtype">int</span> K, <span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_algorithm_semantic_at_c.html#ga573a620f96007b12bfe165db664f511a">semantic_at_c</a>(ColorBase <span class="keyword">const</span>& p)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  -> <span class="keyword">typename</span> kth_semantic_element_const_reference_type<ColorBase, K>::type;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_color_base_concept.html"> 136</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_color_base_concept.html">ColorBaseConcept</a></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">void</span> constraints()</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  gil_function_requires<CopyConstructible<ColorBase>>();</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  gil_function_requires<EqualityComparable<ColorBase>>();</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">using</span> color_space_t = <span class="keyword">typename</span> ColorBase::layout_t::color_space_t;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  gil_function_requires<ColorSpaceConcept<color_space_t>>();</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">using</span> channel_mapping_t = <span class="keyword">typename</span> ColorBase::layout_t::channel_mapping_t;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// TODO: channel_mapping_t must be an Boost.MP11-compatible random access sequence</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_elements = <a class="code" href="structboost_1_1gil_1_1size.html">size<ColorBase>::value</a>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">using</span> TN = <span class="keyword">typename</span> kth_element_type<ColorBase, num_elements - 1>::type;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">using</span> RN = <span class="keyword">typename</span> kth_element_const_reference_type<ColorBase, num_elements - 1>::type;</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>  RN r = <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">gil::at_c</a><num_elements - 1>(cb);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  boost::ignore_unused(r);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// functions that work for every pixel (no need to require them)</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  semantic_at_c<0>(cb);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="group___color_base_algorithm_semantic_at_c.html#ga573a620f96007b12bfe165db664f511a">semantic_at_c</a><num_elements-1>(cb);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// also static_max(cb), static_min(cb), static_fill(cb,value),</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// and all variations of static_for_each(), static_generate(), static_transform()</span></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>  ColorBase cb;</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="l00181"></a><span class="lineno"> 181</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_mutable_color_base_concept.html"> 182</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_mutable_color_base_concept.html">MutableColorBaseConcept</a></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="keywordtype">void</span> constraints()</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>  gil_function_requires<ColorBaseConcept<ColorBase>>();</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  gil_function_requires<Assignable<ColorBase>>();</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  gil_function_requires<Swappable<ColorBase>>();</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>  <span class="keyword">using</span> R0 = <span class="keyword">typename</span> kth_element_reference_type<ColorBase, 0>::type;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  R0 r = gil::at_c<0>(cb);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  gil::at_c<0>(cb) = r;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  ColorBase cb;</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="l00205"></a><span class="lineno"> 205</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_color_base_value_concept.html"> 206</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_color_base_value_concept.html">ColorBaseValueConcept</a></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>  <span class="keywordtype">void</span> constraints()</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>  gil_function_requires<MutableColorBaseConcept<ColorBase>>();</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  gil_function_requires<Regular<ColorBase>>();</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> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00226"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_homogeneous_color_base_concept.html"> 226</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_homogeneous_color_base_concept.html">HomogeneousColorBaseConcept</a></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> {</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">void</span> constraints()</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>  gil_function_requires<ColorBaseConcept<ColorBase>>();</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">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_elements = <a class="code" href="structboost_1_1gil_1_1size.html">size<ColorBase>::value</a>;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">using</span> T0 = <span class="keyword">typename</span> kth_element_type<ColorBase, 0>::type;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">using</span> TN = <span class="keyword">typename</span> kth_element_type<ColorBase, num_elements - 1>::type;</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>  static_assert(std::is_same<T0, TN>::value, <span class="stringliteral">""</span>); <span class="comment">// better than nothing</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">using</span> R0 = <span class="keyword">typename</span> kth_element_const_reference_type<ColorBase, 0>::type;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  R0 r = dynamic_at_c(cb, 0);</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  boost::ignore_unused(r);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  ColorBase cb;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> };</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00256"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_mutable_homogeneous_color_base_concept.html"> 256</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_mutable_homogeneous_color_base_concept.html">MutableHomogeneousColorBaseConcept</a></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">void</span> constraints()</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>  gil_function_requires<ColorBaseConcept<ColorBase>>();</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  gil_function_requires<HomogeneousColorBaseConcept<ColorBase>>();</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">using</span> R0 = <span class="keyword">typename</span> kth_element_reference_type<ColorBase, 0>::type;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  R0 r = dynamic_at_c(cb, 0);</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  boost::ignore_unused(r);</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  dynamic_at_c(cb, 0) = dynamic_at_c(cb, 0);</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  ColorBase cb;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> };</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase></div><div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_homogeneous_color_base_value_concept.html"> 281</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_homogeneous_color_base_value_concept.html">HomogeneousColorBaseValueConcept</a></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>  <span class="keywordtype">void</span> constraints()</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  gil_function_requires<MutableHomogeneousColorBaseConcept<ColorBase>>();</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  gil_function_requires<Regular<ColorBase>>();</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> };</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ColorBase1, <span class="keyword">typename</span> ColorBase2></div><div class="line"><a name="l00302"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_color_bases_compatible_concept.html"> 302</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_color_bases_compatible_concept.html">ColorBasesCompatibleConcept</a></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> {</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordtype">void</span> constraints()</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  {</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  static_assert(std::is_same</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="keyword">typename</span> ColorBase1::layout_t::color_space_t,</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keyword">typename</span> ColorBase2::layout_t::color_space_t</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  >::value, <span class="stringliteral">""</span>);</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment">// using e1 = typename kth_semantic_element_type<ColorBase1,0>::type;</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment">// using e2 = typename kth_semantic_element_type<ColorBase2,0>::type;</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// "e1 is convertible to e2"</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> };</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> }} <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor">#if defined(BOOST_CLANG)</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#pragma clang diagnostic pop</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor">#if defined(BOOST_GCC) && (BOOST_GCC >= 40900)</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="preprocessor">#pragma GCC diagnostic pop</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1_homogeneous_color_base_value_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_homogeneous_color_base_value_concept.html">boost::gil::HomogeneousColorBaseValueConcept</a></div><div class="ttdoc">Homogeneous color base that also has a default constructor. Refines Regular.</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:281</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1_mutable_homogeneous_color_base_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_mutable_homogeneous_color_base_concept.html">boost::gil::MutableHomogeneousColorBaseConcept</a></div><div class="ttdoc">Homogeneous color base that allows for modifying its elements.</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:256</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1_color_bases_compatible_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_color_bases_compatible_concept.html">boost::gil::ColorBasesCompatibleConcept</a></div><div class="ttdoc">Two color bases are compatible if they have the same color space and their elements are compatible,...</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:302</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1_color_base_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_color_base_concept.html">boost::gil::ColorBaseConcept</a></div><div class="ttdoc">A color base is a container of color elements (such as channels, channel references or channel pointe...</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:136</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1_mutable_color_base_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_mutable_color_base_concept.html">boost::gil::MutableColorBaseConcept</a></div><div class="ttdoc">Color base which allows for modifying its elements.</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:182</div></div>
- <div class="ttc" id="group___color_base_algorithm_semantic_at_c_html_ga573a620f96007b12bfe165db664f511a"><div class="ttname"><a href="group___color_base_algorithm_semantic_at_c.html#ga573a620f96007b12bfe165db664f511a">boost::gil::semantic_at_c</a></div><div class="ttdeci">auto semantic_at_c(ColorBase &p) -> typename std::enable_if< !std::is_const< ColorBase >::value, typename kth_semantic_element_reference_type< ColorBase, K >::type >::type</div><div class="ttdoc">A mutable accessor to the K-th semantic element of a color base.</div><div class="ttdef"><b>Definition:</b> color_base_algorithm.hpp:119</div></div>
- <div class="ttc" id="group___color_base_model_homogeneous_html_gae2eaf5eecbad94d7dc6432b8f759fba0"><div class="ttname"><a href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">boost::gil::at_c</a></div><div class="ttdeci">auto at_c(detail::homogeneous_color_base< E, L, N > &p) -> typename std::add_lvalue_reference< E >::type</div><div class="ttdoc">Provides mutable access to the K-th element, in physical order.</div><div class="ttdef"><b>Definition:</b> color_base.hpp:597</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1_color_base_value_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_color_base_value_concept.html">boost::gil::ColorBaseValueConcept</a></div><div class="ttdoc">Color base that also has a default-constructor. Refines Regular.</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:206</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1size_html"><div class="ttname"><a href="structboost_1_1gil_1_1size.html">boost::gil::size</a></div><div class="ttdoc">Returns an integral constant type specifying the number of elements in a color base.</div><div class="ttdef"><b>Definition:</b> color_base_algorithm.hpp:42</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1_homogeneous_color_base_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_homogeneous_color_base_concept.html">boost::gil::HomogeneousColorBaseConcept</a></div><div class="ttdoc">Color base whose elements all have the same type.</div><div class="ttdef"><b>Definition:</b> concepts/color_base.hpp:226</div></div>
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