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<div class="headertitle"><div class="title">pixel_numeric_operations.hpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// Copyright 2021 Pranam Lashkari &lt;plashkari628@gmail.com&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">//</span></div>
<div class="line"><a id="l00005" 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 id="l00006" 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 id="l00007" 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 id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">//</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifndef BOOST_GIL_PIXEL_NUMERIC_OPERATIONS_HPP</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#define BOOST_GIL_PIXEL_NUMERIC_OPERATIONS_HPP</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;boost/gil/color_base_algorithm.hpp&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;boost/gil/pixel.hpp&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;boost/gil/channel_numeric_operations.hpp&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceboost.html">boost</a> { <span class="keyword">namespace </span>gil {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">// Function objects and utilities for pixel-wise numeric operations.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment">//</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">// List of currently defined functors:</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment">// pixel_plus_t (+)</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment">// pixel_minus_t (-)</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment">// pixel_multiplies_scalar_t (*s)</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment">// pixel_multiplies_t (*)</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment">// pixel_divides_scalar_t (/s)</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment">// pixel_divides_t (/)</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment">// pixel_halves_t (/=2),</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">// pixel_zeros_t (=0)</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">// pixel_assigns_t (=)</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef1, <span class="keyword">typename</span> PixelRef2, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00037" data-start="{" data-end="};">
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__plus__t.html"> 37</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__plus__t.html">pixel_plus_t</a></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">auto</span> operator()(PixelRef1 <span class="keyword">const</span>&amp; p1, PixelRef2 <span class="keyword">const</span>&amp; p2) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> PixelResult result;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> static_transform(p1, p2, result,</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__plus__t.html">channel_plus_t</a></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> &lt;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef1&gt;::type</a>,</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef2&gt;::type</a>,</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> &gt;());</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>};</div>
</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef1, <span class="keyword">typename</span> PixelRef2, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="};">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__minus__t.html"> 59</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__minus__t.html">pixel_minus_t</a></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>{</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">auto</span> operator()(PixelRef1 <span class="keyword">const</span>&amp; p1, PixelRef2 <span class="keyword">const</span>&amp; p2) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> PixelResult result;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> static_transform(p1, p2, result,</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__minus__t.html">channel_minus_t</a></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> &lt;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef1&gt;::type</a>,</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef2&gt;::type</a>,</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> &gt;());</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>};</div>
</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef, <span class="keyword">typename</span> Scalar, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00081" data-start="{" data-end="};">
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__multiplies__scalar__t.html"> 81</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__multiplies__scalar__t.html">pixel_multiplies_scalar_t</a></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>{</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">auto</span> operator()(PixelRef <span class="keyword">const</span>&amp; p, Scalar <span class="keyword">const</span>&amp; s) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> PixelResult result;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> static_transform(p, result,</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> std::bind(</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__multiplies__scalar__t.html">channel_multiplies_scalar_t</a>&lt;<span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef&gt;::type</a>,</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> Scalar,</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a>&gt;(),</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> std::placeholders::_1, s));</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span>};</div>
</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef1, <span class="keyword">typename</span> PixelRef2, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00102" data-start="{" data-end="};">
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__multiplies__t.html"> 102</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__multiplies__t.html">pixel_multiplies_t</a></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span>{</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">auto</span> operator()(PixelRef1 <span class="keyword">const</span>&amp; p1, PixelRef2 <span class="keyword">const</span>&amp; p2) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> {</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> PixelResult result;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> static_transform(p1, p2, result,</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__multiplies__t.html">channel_multiplies_t</a></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> &lt;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef1&gt;::type</a>,</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef2&gt;::type</a>,</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> &gt;());</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>};</div>
</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef1, <span class="keyword">typename</span> PixelRef2, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="keyword">using </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__multiplies__t.html">pixel_multiply_t</a> [[deprecated]] = <a class="code hl_struct" href="structboost_1_1gil_1_1pixel__multiplies__t.html">pixel_multiplies_t&lt;PixelRef1, PixelRef2, PixelResult&gt;</a>;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef, <span class="keyword">typename</span> Scalar, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00127" data-start="{" data-end="};">
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__divides__scalar__t.html"> 127</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__divides__scalar__t.html">pixel_divides_scalar_t</a></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span>{</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">auto</span> operator()(PixelRef <span class="keyword">const</span>&amp; p, Scalar <span class="keyword">const</span>&amp; s) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> PixelResult result;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> static_transform(p, result,</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> std::bind(<a class="code hl_struct" href="structboost_1_1gil_1_1channel__divides__scalar__t.html">channel_divides_scalar_t</a>&lt;<span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef&gt;::type</a>,</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> Scalar,</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a>&gt;(),</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> std::placeholders::_1, s));</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span>};</div>
</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef1, <span class="keyword">typename</span> PixelRef2, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00147" data-start="{" data-end="};">
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__divides__t.html"> 147</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__divides__t.html">pixel_divides_t</a></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>{</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">auto</span> operator()(PixelRef1 <span class="keyword">const</span>&amp; p1, PixelRef2 <span class="keyword">const</span>&amp; p2) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> PixelResult result;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> static_transform(p1, p2, result,</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__divides__t.html">channel_divides_t</a></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> &lt;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef1&gt;::type</a>,</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef2&gt;::type</a>,</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> &gt;());</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span>};</div>
</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef1, <span class="keyword">typename</span> PixelRef2, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="keyword">using </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__divides__t.html">pixel_divide_t</a> [[deprecated]] = <a class="code hl_struct" href="structboost_1_1gil_1_1pixel__divides__t.html">pixel_divides_t&lt;PixelRef1, PixelRef2, PixelResult&gt;</a>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef&gt;</div>
<div class="foldopen" id="foldopen00170" data-start="{" data-end="};">
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__halves__t.html"> 170</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__halves__t.html">pixel_halves_t</a></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span>{</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">auto</span> operator()(PixelRef&amp; p) <span class="keyword">const</span> -&gt; PixelRef&amp;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> {</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> static_for_each(p, <a class="code hl_struct" href="structboost_1_1gil_1_1channel__halves__t.html">channel_halves_t</a>&lt;<span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef&gt;::type</a>&gt;());</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">return</span> p;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span>};</div>
</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef&gt;</div>
<div class="foldopen" id="foldopen00183" data-start="{" data-end="};">
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__zeros__t.html"> 183</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__zeros__t.html">pixel_zeros_t</a></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span>{</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">auto</span> operator()(PixelRef&amp; p) <span class="keyword">const</span> -&gt; PixelRef&amp;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> static_for_each(p, <a class="code hl_struct" href="structboost_1_1gil_1_1channel__zeros__t.html">channel_zeros_t</a>&lt;<span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef&gt;::type</a>&gt;());</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">return</span> p;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>};</div>
</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="keywordtype">void</span> zero_channels(Pixel&amp; p)</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span>{</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> static_for_each(p, <a class="code hl_struct" href="structboost_1_1gil_1_1channel__zeros__t.html">channel_zeros_t</a>&lt;<span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;Pixel&gt;::type</a>&gt;());</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>}</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> PixelRef, <span class="keyword">typename</span> PixelResult&gt;</div>
<div class="foldopen" id="foldopen00209" data-start="{" data-end="};">
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1pixel__assigns__t.html"> 209</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1pixel__assigns__t.html">pixel_assigns_t</a></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>{</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">auto</span> operator()(PixelRef <span class="keyword">const</span>&amp; src, PixelResult&amp; dst) <span class="keyword">const</span> -&gt; PixelResult</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> {</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> static_for_each(src, dst,</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__assigns__t.html">channel_assigns_t</a></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> &lt;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelRef&gt;::type</a>,</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1channel__type.html">channel_type&lt;PixelResult&gt;::type</a></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> &gt;());</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">return</span> dst;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span>};</div>
</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span>}} <span class="comment">// namespace boost::gil</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdoc">defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)</div><div class="ttdef"><b>Definition</b> algorithm.hpp:36</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__assigns__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__assigns__t.html">boost::gil::channel_assigns_t</a></div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:236</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__divides__scalar__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__divides__scalar__t.html">boost::gil::channel_divides_scalar_t</a></div><div class="ttdoc">Arithmetic operation of dividing channel value by scalar.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:182</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__divides__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__divides__t.html">boost::gil::channel_divides_t</a></div><div class="ttdoc">Arithmetic operation of division of two channel values.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:99</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__halves__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__halves__t.html">boost::gil::channel_halves_t</a></div><div class="ttdoc">Arithmetic operation of dividing channel value by 2.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:203</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__minus__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__minus__t.html">boost::gil::channel_minus_t</a></div><div class="ttdoc">Arithmetic operation of subtraction of two channel values.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:57</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__multiplies__scalar__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__multiplies__scalar__t.html">boost::gil::channel_multiplies_scalar_t</a></div><div class="ttdoc">Arithmetic operation of channel value by a scalar.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:161</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__multiplies__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__multiplies__t.html">boost::gil::channel_multiplies_t</a></div><div class="ttdoc">Arithmetic operation of multiplication of two channel values.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:78</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1channel__plus__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__plus__t.html">boost::gil::channel_plus_t</a></div><div class="ttdoc">Arithmetic operation of addition of two channel values.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:36</div></div>
<div class="ttc" id="astructboost_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="astructboost_1_1gil_1_1channel__zeros__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__zeros__t.html">boost::gil::channel_zeros_t</a></div><div class="ttdoc">Operation of setting channel value to zero.</div><div class="ttdef"><b>Definition</b> channel_numeric_operations.hpp:221</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__assigns__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__assigns__t.html">boost::gil::pixel_assigns_t</a></div><div class="ttdoc">Casts and assigns a pixel to another.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:210</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__divides__scalar__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__divides__scalar__t.html">boost::gil::pixel_divides_scalar_t</a></div><div class="ttdoc">Performs channel-wise division of pixel elements by scalar.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:128</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__divides__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__divides__t.html">boost::gil::pixel_divides_t</a></div><div class="ttdoc">Performs channel-wise division of two pixels.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:148</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__halves__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__halves__t.html">boost::gil::pixel_halves_t</a></div><div class="ttdoc">Performs channel-wise division by 2.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:171</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__minus__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__minus__t.html">boost::gil::pixel_minus_t</a></div><div class="ttdoc">Performs channel-wise subtraction of two pixels.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:60</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__multiplies__scalar__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__multiplies__scalar__t.html">boost::gil::pixel_multiplies_scalar_t</a></div><div class="ttdoc">Performs channel-wise multiplication of pixel elements by scalar.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:82</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__multiplies__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__multiplies__t.html">boost::gil::pixel_multiplies_t</a></div><div class="ttdoc">Performs channel-wise multiplication of two pixels.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:103</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__plus__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__plus__t.html">boost::gil::pixel_plus_t</a></div><div class="ttdoc">Performs channel-wise addition of two pixels.</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:38</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1pixel__zeros__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel__zeros__t.html">boost::gil::pixel_zeros_t</a></div><div class="ttdoc">Sets pixel elements to zero (for whatever zero means)</div><div class="ttdef"><b>Definition</b> pixel_numeric_operations.hpp:184</div></div>
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