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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 2019 Miral Shah &lt;miralshah2211@gmail.com&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// Copyright 2022 Pranam Lashkari &lt;plashkari628@gmail.com&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">//</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#ifndef BOOST_GIL_IMAGE_PROCESSING_KERNEL_HPP</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#define BOOST_GIL_IMAGE_PROCESSING_KERNEL_HPP</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;boost/gil/utilities.hpp&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;boost/gil/point.hpp&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;boost/assert.hpp&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;array&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;stdexcept&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</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="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">// Definitions of 1D fixed-size and variable-size kernels and related operations</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</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> Core&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="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html"> 37</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a> : <span class="keyword">public</span> Core</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">public</span>:</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a>(std::size_t center)</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> : center_(center)</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>());</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a>(std::size_t <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, std::size_t center)</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> : Core(<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>) , center_(center)</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> BOOST_ASSERT(this-&gt;size() &gt; 0);</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>()); <span class="comment">// also implies `size() &gt; 0`</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a>(<a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a> <span class="keyword">const</span>&amp; other)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> : Core(other), center_(other.center_)</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> BOOST_ASSERT(this-&gt;size() &gt; 0);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>()); <span class="comment">// also implies `size() &gt; 0`</span></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> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a>&amp; operator=(<a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">kernel_1d_adaptor</a> <span class="keyword">const</span>&amp; other)</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> Core::operator=(other);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> center_ = other.center_;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> }</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> std::size_t left_size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>());</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> center_;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> std::size_t right_size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>());</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> this-&gt;size() - center_ - 1;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> }</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">auto</span> center() -&gt; std::size_t&amp;</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> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>());</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> center_;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">auto</span> center() <span class="keyword">const</span> -&gt; std::size_t <span class="keyword">const</span>&amp;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> BOOST_ASSERT(center_ &lt; this-&gt;<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>());</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> center_;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> std::size_t center_{0};</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>};</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span>} <span class="comment">// namespace detail</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Allocator = std::allocator&lt;T&gt; &gt;</div>
<div class="foldopen" id="foldopen00101" data-start="{" data-end="};">
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1kernel__1d.html"> 101</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a> : <span class="keyword">public</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">detail::kernel_1d_adaptor</a>&lt;std::vector&lt;T, Allocator&gt;&gt;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span>{</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">using </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a> = <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">detail::kernel_1d_adaptor&lt;std::vector&lt;T, Allocator&gt;</a>&gt;;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="keyword">public</span>:</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> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a>(std::size_t <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, std::size_t center) : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a>(<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, center) {}</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> FwdIterator&gt;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a>(FwdIterator elements, std::size_t <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, std::size_t center)</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a>(<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, center)</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> detail::copy_n(elements, <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, this-&gt;begin());</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</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> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a>(<a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a> <span class="keyword">const</span>&amp; other) : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a>(other) {}</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a>&amp; operator=(<a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d.html">kernel_1d</a> <span class="keyword">const</span>&amp; other) = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>};</div>
</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T,std::<span class="keywordtype">size_t</span> Size&gt;</div>
<div class="foldopen" id="foldopen00122" data-start="{" data-end="};">
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1kernel__1d__fixed.html"> 122</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a> : <span class="keyword">public</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">detail::kernel_1d_adaptor</a>&lt;std::array&lt;T, Size&gt;&gt;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>{</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">using </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a> = <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">detail::kernel_1d_adaptor&lt;std::array&lt;T, Size&gt;</a>&gt;;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> std::size_t static_size = Size;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">static_assert</span>(static_size &gt; 0, <span class="stringliteral">&quot;kernel must have size greater than 0&quot;</span>);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">static_assert</span>(static_size % 2 == 1, <span class="stringliteral">&quot;kernel size must be odd to ensure validity at the center&quot;</span>);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a>(std::size_t center) : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a>(center) {}</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> FwdIterator&gt;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a>(FwdIterator elements, std::size_t center)</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a>(center)</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> detail::copy_n(elements, Size, this-&gt;begin());</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 class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a>(<a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a> <span class="keyword">const</span>&amp; other) : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">parent_t</a>(other) {}</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a>&amp; operator=(<a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed</a> <span class="keyword">const</span>&amp; other) = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>};</div>
</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="comment">// TODO: This data member is odr-used and definition at namespace scope</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="comment">// is required by C++11. Redundant and deprecated in C++17.</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> T,std::<span class="keywordtype">size_t</span> Size&gt;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="keyword">constexpr</span> std::size_t <a class="code hl_class" href="classboost_1_1gil_1_1kernel__1d__fixed.html">kernel_1d_fixed&lt;T, Size&gt;::static_size</a>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> Kernel&gt;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="keyword">inline</span> Kernel reverse_kernel(Kernel <span class="keyword">const</span>&amp; kernel)</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>{</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> Kernel result(kernel);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> result.center() = kernel.right_size();</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> std::reverse(result.begin(), result.end());</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> Core&gt;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="keyword">class </span>kernel_2d_adaptor : <span class="keyword">public</span> Core</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span>{</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> kernel_2d_adaptor() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">explicit</span> kernel_2d_adaptor(std::size_t center_y, std::size_t center_x)</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> : center_(center_x, center_y)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> BOOST_ASSERT(center_.y &lt; this-&gt;size() &amp;&amp; center_.x &lt; this-&gt;size());</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</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> kernel_2d_adaptor(std::size_t size, std::size_t center_y, std::size_t center_x)</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> : Core(size * size), square_size(size), center_(center_x, center_y)</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> BOOST_ASSERT(this-&gt;size() &gt; 0);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> BOOST_ASSERT(center_.y &lt; this-&gt;size() &amp;&amp; center_.x &lt; this-&gt;size()); <span class="comment">// implies `size() &gt; 0`</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> kernel_2d_adaptor(kernel_2d_adaptor <span class="keyword">const</span>&amp; other)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> : Core(other), square_size(other.square_size), center_(other.center_.x, other.center_.y)</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> BOOST_ASSERT(this-&gt;size() &gt; 0);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> BOOST_ASSERT(center_.y &lt; this-&gt;size() &amp;&amp; center_.x &lt; this-&gt;size()); <span class="comment">// implies `size() &gt; 0`</span></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> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> kernel_2d_adaptor&amp; operator=(kernel_2d_adaptor <span class="keyword">const</span>&amp; other)</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> Core::operator=(other);</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> center_.y = other.center_.y;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> center_.x = other.center_.x;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> square_size = other.square_size;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> }</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> std::size_t upper_size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> BOOST_ASSERT(center_.y &lt; this-&gt;size());</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">return</span> center_.y;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> }</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> std::size_t lower_size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> BOOST_ASSERT(center_.y &lt; this-&gt;size());</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">return</span> this-&gt;size() - center_.y - 1;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> std::size_t left_size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> BOOST_ASSERT(center_.x &lt; this-&gt;size());</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">return</span> center_.x;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> std::size_t right_size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> BOOST_ASSERT(center_.x &lt; this-&gt;size());</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> this-&gt;size() - center_.x - 1;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</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> <span class="keyword">auto</span> center_y() -&gt; std::size_t&amp;</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> BOOST_ASSERT(center_.y &lt; this-&gt;size());</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">return</span> center_.y;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> }</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">auto</span> center_y() const -&gt; std::<span class="keywordtype">size_t</span> const&amp;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> {</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> BOOST_ASSERT(center_.y &lt; this-&gt;size());</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">return</span> center_.y;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> }</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">auto</span> center_x() -&gt; std::size_t&amp;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> {</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> BOOST_ASSERT(center_.x &lt; this-&gt;size());</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">return</span> center_.x;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> }</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">auto</span> center_x() const -&gt; std::<span class="keywordtype">size_t</span> const&amp;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> {</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> BOOST_ASSERT(center_.x &lt; this-&gt;size());</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">return</span> center_.x;</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> std::size_t size()<span class="keyword"> const</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">return</span> square_size;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">typename</span> Core::value_type at(std::size_t x, std::size_t y)<span class="keyword"> const</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">if</span> (x &gt;= this-&gt;size() || y &gt;= this-&gt;size())</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> {</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">&quot;Index out of range&quot;</span>);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">return</span> this-&gt;begin()[y * this-&gt;size() + x];</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> }</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> std::size_t square_size{0};</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> point&lt;std::size_t&gt; center_{0, 0};</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span>};</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="keyword">template</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span>&lt;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">typename</span> T,</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keyword">typename</span> Allocator = std::allocator&lt;T&gt;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span>&gt;</div>
<div class="foldopen" id="foldopen00272" data-start="{" data-end="};">
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html"> 272</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a> : <span class="keyword">public</span> detail::kernel_2d_adaptor&lt;std::vector&lt;T, Allocator&gt;&gt;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span>{</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keyword">using </span>parent_t = detail::kernel_2d_adaptor&lt;std::vector&lt;T, Allocator&gt;&gt;;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a>(std::size_t <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>,std::size_t center_y, std::size_t center_x)</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> : parent_t(<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, center_y, center_x)</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> {}</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> FwdIterator&gt;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a>(FwdIterator elements, std::size_t <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, std::size_t center_y, std::size_t center_x)</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> : parent_t(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(std::sqrt(<a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>)), center_y, center_x)</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> {</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> detail::copy_n(elements, <a class="code hl_struct" href="structboost_1_1gil_1_1size.html">size</a>, this-&gt;begin());</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> }</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a>(<a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a> <span class="keyword">const</span>&amp; other) : parent_t(other) {}</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a>&amp; operator=(<a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">kernel_2d</a> <span class="keyword">const</span>&amp; other) = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span>};</div>
</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, std::<span class="keywordtype">size_t</span> Size&gt;</div>
<div class="foldopen" id="foldopen00296" data-start="{" data-end="};">
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html"> 296</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a> :</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keyword">public</span> detail::kernel_2d_adaptor&lt;std::array&lt;T, Size * Size&gt;&gt;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span>{</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">using </span>parent_t = detail::kernel_2d_adaptor&lt;std::array&lt;T, Size * Size&gt;&gt;;</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> std::size_t static_size = Size;</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">static_assert</span>(static_size &gt; 0, <span class="stringliteral">&quot;kernel must have size greater than 0&quot;</span>);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keyword">static_assert</span>(static_size % 2 == 1, <span class="stringliteral">&quot;kernel size must be odd to ensure validity at the center&quot;</span>);</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a>()</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> this-&gt;square_size = Size;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> }</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a>(std::size_t center_y, std::size_t center_x) :</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> parent_t(center_y, center_x)</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> {</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> this-&gt;square_size = Size;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> }</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> FwdIterator&gt;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a>(FwdIterator elements, std::size_t center_y, std::size_t center_x)</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> : parent_t(center_y, center_x)</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> {</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> this-&gt;square_size = Size;</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> detail::copy_n(elements, Size * Size, this-&gt;begin());</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a>(<a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a> <span class="keyword">const</span>&amp; other) : parent_t(other) {}</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a>&amp; operator=(<a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed</a> <span class="keyword">const</span>&amp; other) = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span>};</div>
</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span><span class="comment">// TODO: This data member is odr-used and definition at namespace scope</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span><span class="comment">// is required by C++11. Redundant and deprecated in C++17.</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, std::<span class="keywordtype">size_t</span> Size&gt;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="keyword">constexpr</span> std::size_t <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">kernel_2d_fixed&lt;T, Size&gt;::static_size</a>;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> Kernel&gt;</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span><span class="keyword">inline</span> Kernel reverse_kernel_2d(Kernel <span class="keyword">const</span>&amp; kernel)</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span>{</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> Kernel result(kernel);</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> result.center_x() = kernel.lower_size();</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> result.center_y() = kernel.right_size();</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> std::reverse(result.begin(), result.end());</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span>}</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Allocator&gt;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span><span class="keyword">inline</span> kernel_2d&lt;T, Allocator&gt; reverse_kernel(kernel_2d&lt;T, Allocator&gt; <span class="keyword">const</span>&amp; kernel)</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>{</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">return</span> reverse_kernel_2d(kernel);</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span>}</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, std::<span class="keywordtype">size_t</span> Size&gt;</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span><span class="keyword">inline</span> kernel_2d_fixed&lt;T, Size&gt; reverse_kernel(kernel_2d_fixed&lt;T, Size&gt; <span class="keyword">const</span>&amp; kernel)</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>{</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">return</span> reverse_kernel_2d(kernel);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span>}</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span>} <span class="comment">//namespace detail</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span>}} <span class="comment">// namespace boost::gil</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> </div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1kernel__1d__adaptor_html"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1kernel__1d__adaptor.html">boost::gil::detail::kernel_1d_adaptor</a></div><div class="ttdoc">kernel adaptor for one-dimensional cores Core needs to provide size(),begin(),end(),...</div><div class="ttdef"><b>Definition</b> kernel.hpp:38</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1kernel__2d__fixed_html"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1kernel__2d__fixed.html">boost::gil::detail::kernel_2d_fixed</a></div><div class="ttdoc">static-size kernel</div><div class="ttdef"><b>Definition</b> kernel.hpp:298</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1kernel__2d_html"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1kernel__2d.html">boost::gil::detail::kernel_2d</a></div><div class="ttdoc">variable-size kernel</div><div class="ttdef"><b>Definition</b> kernel.hpp:273</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1kernel__1d__fixed_html"><div class="ttname"><a href="classboost_1_1gil_1_1kernel__1d__fixed.html">boost::gil::kernel_1d_fixed</a></div><div class="ttdoc">static-size kernel</div><div class="ttdef"><b>Definition</b> kernel.hpp:123</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1kernel__1d_html"><div class="ttname"><a href="classboost_1_1gil_1_1kernel__1d.html">boost::gil::kernel_1d</a></div><div class="ttdoc">variable-size kernel</div><div class="ttdef"><b>Definition</b> kernel.hpp:102</div></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_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>
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