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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">// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net></span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef BOOST_GIL_BIT_ALIGNED_PIXEL_REFERENCE_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define BOOST_GIL_BIT_ALIGNED_PIXEL_REFERENCE_HPP</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/pixel.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/channel.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/detail/mp11.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/assert.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/config.hpp></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">#include <functional></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// bit_range</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">//</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Represents a range of bits that can span multiple consecutive bytes. The range has a size fixed at compile time, but the offset is specified at run time.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> RangeSize, <span class="keywordtype">bool</span> IsMutable></div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1bit__range.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">using</span> byte_t = mp11::mp_if_c<IsMutable, unsigned char, unsigned char const>;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">using</span> difference_type = std::ptrdiff_t;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">template</span> <<span class="keywordtype">int</span> RS, <span class="keywordtype">bool</span> M> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  byte_t* _current_byte; <span class="comment">// the starting byte of the bit range</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">int</span> _bit_offset; <span class="comment">// offset from the beginning of the current byte. 0<=_bit_offset<=7</span></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">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>() : _current_byte(<span class="keyword">nullptr</span>), _bit_offset(0) {}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>(byte_t* current_byte, <span class="keywordtype">int</span> bit_offset)</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  : _current_byte(current_byte)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  , _bit_offset(bit_offset)</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>  BOOST_ASSERT(bit_offset >= 0 && bit_offset < 8);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& br) : _current_byte(br._current_byte), _bit_offset(br._bit_offset) {}</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">template</span> <<span class="keywordtype">bool</span> M> <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range<RangeSize,M></a>& br) : _current_byte(br._current_byte), _bit_offset(br._bit_offset) {}</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& operator=(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& br) { _current_byte = br._current_byte; _bit_offset=br._bit_offset; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& br)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _current_byte==br._current_byte && _bit_offset==br._bit_offset; }</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>  <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& operator++() {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _current_byte += (_bit_offset+RangeSize) / 8;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  _bit_offset = (_bit_offset+RangeSize) % 8;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& operator--() { bit_advance(-RangeSize); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</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>  <span class="keywordtype">void</span> bit_advance(difference_type num_bits) {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">int</span> new_offset = int(_bit_offset+num_bits);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  _current_byte += new_offset / 8;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  _bit_offset = new_offset % 8;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (_bit_offset<0) {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  _bit_offset+=8;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  --_current_byte;</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>  }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  difference_type bit_distance_to(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& b)<span class="keyword"> const </span>{</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> (b.current_byte() - current_byte())*8 + b.bit_offset()-bit_offset();</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>  byte_t* current_byte()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _current_byte; }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> bit_offset()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _bit_offset; }</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="l00114"></a><span class="lineno"> 114</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> Layout, <span class="keywordtype">bool</span> IsMutable></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">struct </span>bit_aligned_pixel_reference</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="keyword">static</span> constexpr <span class="keywordtype">int</span> bit_size =</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  mp11::mp_fold</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ChannelBitSizes,</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::integral_constant<int, 0>,</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  mp11::mp_plus</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  >::value;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">using</span> bit_range_t = <a class="code" href="classboost_1_1gil_1_1bit__range.html">boost::gil::bit_range<bit_size,IsMutable></a>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">using</span> bitfield_t = BitField;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">using</span> data_ptr_t = mp11::mp_if_c<IsMutable, unsigned char*, const unsigned char*>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">using</span> layout_t = Layout;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">using</span> value_type = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1packed__pixel.html">packed_pixel_type<bitfield_t,ChannelBitSizes,Layout>::type</a>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">using</span> reference = <span class="keyword">const</span> bit_aligned_pixel_reference<BitField, ChannelBitSizes, Layout, IsMutable>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">using</span> const_reference = bit_aligned_pixel_reference<BitField,ChannelBitSizes,Layout,false> <span class="keyword">const</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">static</span> constexpr <span class="keywordtype">bool</span> is_mutable = IsMutable;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  bit_aligned_pixel_reference(){}</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  bit_aligned_pixel_reference(data_ptr_t data_ptr, <span class="keywordtype">int</span> bit_offset) : _bit_range(data_ptr, bit_offset) {}</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">explicit</span> bit_aligned_pixel_reference(<span class="keyword">const</span> bit_range_t& bit_range) : _bit_range(bit_range) {}</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">template</span> <<span class="keywordtype">bool</span> IsMutable2> bit_aligned_pixel_reference(<span class="keyword">const</span> bit_aligned_pixel_reference<BitField,ChannelBitSizes,Layout,IsMutable2>& p) : _bit_range(p._bit_range) {}</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="comment">// Grayscale references can be constructed from the channel reference</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">explicit</span> bit_aligned_pixel_reference(<span class="keyword">typename</span> kth_element_type<bit_aligned_pixel_reference,0>::type <span class="keyword">const</span> channel0)</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  : _bit_range(static_cast<data_ptr_t>(&channel0), channel0.first_bit())</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>  static_assert(num_channels<bit_aligned_pixel_reference>::value == 1, <span class="stringliteral">""</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> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Construct from another compatible pixel type</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  bit_aligned_pixel_reference(bit_aligned_pixel_reference <span class="keyword">const</span>& p)</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  : _bit_range(p._bit_range) {}</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// TODO: Why p by non-const reference?</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> BF, <span class="keyword">typename</span> CR></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  bit_aligned_pixel_reference(packed_pixel<BF, CR, Layout>& p)</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  : _bit_range(static_cast<data_ptr_t>(&gil::<a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a><0>(p)), gil::<a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a><0>(p).first_bit())</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  check_compatible<packed_pixel<BF, CR, Layout>>();</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">auto</span> operator=(bit_aligned_pixel_reference <span class="keyword">const</span>& p) <span class="keyword">const</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  -> bit_aligned_pixel_reference <span class="keyword">const</span>&</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  static_copy(p, *<span class="keyword">this</span>);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">auto</span> operator=(P <span class="keyword">const</span>& p) <span class="keyword">const</span> -> bit_aligned_pixel_reference <span class="keyword">const</span>&</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  assign(p, is_pixel<P>());</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</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>  <span class="keyword">template</span> <<span class="keyword">typename</span> P></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">bool</span> operator==(P <span class="keyword">const</span>& p)<span class="keyword"> const</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">equal</a>(p, is_pixel<P>());</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">bool</span> operator!=(P <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="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">auto</span> operator->() const -> bit_aligned_pixel_reference const* { <span class="keywordflow">return</span> <span class="keyword">this</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>  bit_range_t <span class="keyword">const</span>& bit_range()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _bit_range; }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">mutable</span> bit_range_t _bit_range;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</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> <span class="keyword">friend</span> <span class="keyword">struct </span>bit_aligned_pixel_reference;</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>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel> <span class="keyword">static</span> <span class="keywordtype">void</span> check_compatible() { gil_function_requires<PixelsCompatibleConcept<Pixel,bit_aligned_pixel_reference> >(); }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">void</span> assign(Pixel <span class="keyword">const</span>& p, std::true_type)<span class="keyword"> const</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  check_compatible<Pixel>();</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  static_copy(p, *<span class="keyword">this</span>);</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">bool</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">equal</a>(Pixel <span class="keyword">const</span>& p, std::true_type)<span class="keyword"> const</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  check_compatible<Pixel>();</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> static_equal(*<span class="keyword">this</span>, p);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</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="keyword">private</span>:</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> check_gray()</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  static_assert(std::is_same<typename Layout::color_space_t, gray_t>::value, <span class="stringliteral">""</span>);</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Channel></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">void</span> assign(Channel <span class="keyword">const</span>& channel, std::false_type)<span class="keyword"> const</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  check_gray();</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  gil::at_c<0>(*<span class="keyword">this</span>) = channel;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Channel></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">equal</a> (Channel <span class="keyword">const</span>& channel, std::false_type)<span class="keyword"> const</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  check_gray();</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span> gil::at_c<0>(*<span class="keyword">this</span>) == channel;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> };</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// ColorBasedConcept</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"></span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsMutable, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">struct </span>kth_element_type</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>,</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  K</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> {</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">using</span> type = packed_dynamic_channel_reference</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  BitField,</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  mp11::mp_at_c<ChannelBitSizes, K>::value,</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  IsMutable</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  > <span class="keyword">const</span>;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> };</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</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, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="keyword">struct </span>kth_element_reference_type<bit_aligned_pixel_reference<B,C,L,M>, K></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  : <span class="keyword">public</span> kth_element_type<bit_aligned_pixel_reference<B,C,L,M>, K> {};</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</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, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">struct </span>kth_element_const_reference_type<bit_aligned_pixel_reference<B,C,L,M>, K></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  : <span class="keyword">public</span> kth_element_type<bit_aligned_pixel_reference<B,C,L,M>, K> {};</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">namespace </span>detail {</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="comment">// returns sum of IntegralVector[0] ... IntegralVector[K-1]</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IntegralVector, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">struct </span>sum_k</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  : mp11::mp_plus</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>  sum_k<IntegralVector, K - 1>,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  typename mp11::mp_at_c<IntegralVector, K - 1>::type</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  ></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> </div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IntegralVector></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">struct </span>sum_k<IntegralVector, 0> : std::integral_constant<int, 0> {};</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// at_c required by MutableColorBaseConcept</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsMutable></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">inline</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">auto</span> <a class="code" href="group___color_base_model_homogeneous.html#gae2eaf5eecbad94d7dc6432b8f759fba0">at_c</a>(<span class="keyword">const</span> bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>& p)</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  -> <span class="keyword">typename</span> kth_element_reference_type<bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>, K>::type</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">using</span> pixel_t = bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">using</span> channel_t = <span class="keyword">typename</span> kth_element_reference_type<pixel_t, K>::type;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">using</span> bit_range_t = <span class="keyword">typename</span> pixel_t::bit_range_t;</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>  bit_range_t bit_range(p.bit_range());</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  bit_range.bit_advance(detail::sum_k<ChannelBitSizes, K>::value);</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> channel_t(bit_range.current_byte(), bit_range.bit_offset());</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="l00290"></a><span class="lineno"> 290</span> <span class="comment">// PixelConcept</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"></span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</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="l00295"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1is__pixel_3_01bit__aligned__pixel__reference_3_01_b_00_01_c_00_01_l_00_01_m_01_4_01_4.html"> 295</a></span> <span class="keyword">struct </span>is_pixel<bit_aligned_pixel_reference<B, C, L, M> > : std::true_type {};</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">// PixelBasedConcept</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"></span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</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="l00302"></a><span class="lineno"> 302</span> <span class="keyword">struct </span>color_space_type<bit_aligned_pixel_reference<B, C, L, M>></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="keyword">using</span> type = <span class="keyword">typename</span> L::color_space_t;</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> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</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="l00308"></a><span class="lineno"> 308</span> <span class="keyword">struct </span>channel_mapping_type<bit_aligned_pixel_reference<B, C, L, M>></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> {</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">using</span> type = <span class="keyword">typename</span> L::channel_mapping_t;</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> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</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="l00314"></a><span class="lineno"> 314</span> <span class="keyword">struct </span>is_planar<bit_aligned_pixel_reference<B, C, L, M>> : std::false_type {};</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// pixel_reference_type</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"></span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// Constructs a homogeneous bit_aligned_pixel_reference given a channel reference</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> NumBits, <span class="keyword">typename</span> Layout></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="keyword">struct </span>pixel_reference_type</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>  packed_dynamic_channel_reference<BitField, NumBits, false> const,</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  Layout, false, false</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</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="keyword">private</span>:</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">using</span> channel_bit_sizes_t = mp11::mp_repeat</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  mp11::mp_list<std::integral_constant<unsigned, NumBits>>,</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  mp11::mp_size<typename Layout::color_space_t></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  >;</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">using</span> type =</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  bit_aligned_pixel_reference<BitField, channel_bit_sizes_t, Layout, false>;</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> };</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// Same but for the mutable case. We cannot combine the mutable</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// and read-only cases because this triggers ambiguity</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> NumBits, <span class="keyword">typename</span> Layout></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keyword">struct </span>pixel_reference_type</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  packed_dynamic_channel_reference<BitField, NumBits, true> const,</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  Layout, false, true</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  ></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> {</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">using</span> channel_bit_sizes_t = mp11::mp_repeat</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  mp11::mp_list<std::integral_constant<unsigned, NumBits>>,</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  mp11::mp_size<typename Layout::color_space_t></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  >;</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">using</span> type = bit_aligned_pixel_reference<BitField, channel_bit_sizes_t, Layout, true>;</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> };</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> } } <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">namespace </span>std {</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"> 364</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="l00365"></a><span class="lineno"> 365</span> <span class="comment">// swap with 'left bias':</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// - swap between proxy and anything</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment">// - swap between value type and proxy</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment">// - swap between proxy and proxy</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</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="l00370"></a><span class="lineno"> 370</span> </div><div class="line"><a name="l00371"></a><span class="lineno"> 371</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="keyword">typename</span> R> <span class="keyword">inline</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="keywordtype">void</span> <a class="code" href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">swap</a>(<span class="keyword">const</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true> x, R& y) {</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  boost::gil::swap_proxy<typename boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type>(x,y);</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> }</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</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="keyword">inline</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="keywordtype">void</span> <a class="code" href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">swap</a>(<span class="keyword">typename</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type& x, <span class="keyword">const</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true> y) {</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  boost::gil::swap_proxy<typename boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type>(x,y);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div><div class="line"><a name="l00383"></a><span class="lineno"> 383</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="keyword">inline</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="keywordtype">void</span> <a class="code" href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">swap</a>(<span class="keyword">const</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true> x, <span class="keyword">const</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true> y) {</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  boost::gil::swap_proxy<typename boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type>(x,y);</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classboost_1_1gil_1_1bit__range_html"><div class="ttname"><a href="classboost_1_1gil_1_1bit__range.html">boost::gil::bit_range</a></div><div class="ttdef"><b>Definition:</b> bit_aligned_pixel_reference.hpp:34</div></div>
- <div class="ttc" id="group___s_t_l_optimizations_html_ga2902a23650ef266e80874ce5df076079"><div class="ttname"><a href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">std::equal</a></div><div class="ttdeci">BOOST_FORCEINLINE bool equal(boost::gil::iterator_from_2d< Loc1 > first, boost::gil::iterator_from_2d< Loc1 > last, boost::gil::iterator_from_2d< Loc2 > first2)</div><div class="ttdoc">std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d</div><div class="ttdef"><b>Definition:</b> algorithm.hpp:1029</div></div>
- <div class="ttc" id="group___packed_channel_reference_model_html_ga70de3c85964650c16afcc42c02bd5df9"><div class="ttname"><a href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">std::swap</a></div><div class="ttdeci">void swap(boost::gil::packed_channel_reference< BF, FB, NB, M > const x, R &y)</div><div class="ttdoc">swap for packed_channel_reference</div><div class="ttdef"><b>Definition:</b> channel.hpp:529</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_1packed__pixel_html"><div class="ttname"><a href="structboost_1_1gil_1_1packed__pixel.html">boost::gil::packed_pixel</a></div><div class="ttdoc">Heterogeneous pixel value whose channel references can be constructed from the pixel bitfield and the...</div><div class="ttdef"><b>Definition:</b> metafunctions.hpp:24</div></div>
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