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<div class="title">algorithm.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef BOOST_GIL_ALGORITHM_HPP</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span><span class="preprocessor">#define BOOST_GIL_ALGORITHM_HPP</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/gil/bit_aligned_pixel_iterator.hpp></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/color_base_algorithm.hpp></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/concepts.hpp></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/image_view.hpp></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/gil/image_view_factory.hpp></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/assert.hpp></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <boost/config.hpp></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/mpl/and.hpp></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <boost/mpl/or.hpp></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <cstddef></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <cstring></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <iterator></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <typeinfo></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">//forward declarations</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelPtr, <span class="keyword">typename</span> ColorSpace></div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1planar__pixel__iterator.html"> 34</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">planar_pixel_iterator</a>;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator></div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1memory__based__step__iterator.html"> 36</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1memory__based__step__iterator.html">memory_based_step_iterator</a>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StepIterator></div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1memory__based__2d__locator.html"> 38</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1memory__based__2d__locator.html">memory_based_2d_locator</a>;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// a tag denoting incompatible arguments</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">struct </span>error_t {};</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Derived, <span class="keyword">typename</span> Result=<span class="keywordtype">void</span>></div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1binary__operation__obj.html"> 81</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1binary__operation__obj.html">binary_operation_obj</a> {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">using</span> result_type = Result;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  result_type operator()(<span class="keyword">const</span> std::pair<const V1*,const V2*>& p)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> apply(*p.first, *p.second, <span class="keyword">typename</span> views_are_compatible<V1,V2>::type());</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  result_type operator()(<span class="keyword">const</span> V1& v1, <span class="keyword">const</span> V2& v2)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> apply(v1, v2, <span class="keyword">typename</span> views_are_compatible<V1,V2>::type());</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  result_type operator()(<span class="keyword">const</span> error_t&)<span class="keyword"> const </span>{ <span class="keywordflow">throw</span> std::bad_cast(); }</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// dispatch from apply overload to a function with distinct name</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  BOOST_FORCEINLINE result_type apply(<span class="keyword">const</span> V1& v1, <span class="keyword">const</span> V2& v2, mpl::false_)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> ((<span class="keyword">const</span> Derived*)<span class="keyword">this</span>)->apply_incompatible(v1,v2);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// dispatch from apply overload to a function with distinct name</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  BOOST_FORCEINLINE result_type apply(<span class="keyword">const</span> V1& v1, <span class="keyword">const</span> V2& v2, mpl::true_)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> ((<span class="keyword">const</span> Derived*)<span class="keyword">this</span>)->apply_compatible(v1,v2);</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// function with distinct name - it can be overloaded by subclasses</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  BOOST_FORCEINLINE result_type apply_incompatible(<span class="keyword">const</span> V1&, <span class="keyword">const</span> V2&)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">throw</span> std::bad_cast();</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> };</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">namespace </span>std {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> BOOST_FORCEINLINE <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>*</div>
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<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="group___s_t_l_optimizations.html#ga0881964a0319aa859cda6408c5a1cda2"> 132</a></span> <a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">copy</a>(<a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>* first, <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>* last,</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>* dst) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> (<a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>*)<a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">std::copy</a>((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)first,(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)last, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)dst);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> }</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> BOOST_FORCEINLINE <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>*</div>
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<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="group___s_t_l_optimizations.html#gad113121390f9788a726bc0c12da2d116"> 141</a></span> <a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">copy</a>(<span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>* first, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>* last,</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>* dst) {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> (<a class="code" href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel<T,Cs></a>*)<a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">std::copy</a>((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)first,(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)last, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)dst);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> }</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> } <span class="comment">// namespace std</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> O> <span class="keyword">struct </span>copy_fn {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  BOOST_FORCEINLINE I operator()(I first, I last, O dst)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">std::copy</a>(first,last,dst); }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> };</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">namespace </span>std {</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">template</span><<span class="keyword">typename</span> Cs, <span class="keyword">typename</span> IC1, <span class="keyword">typename</span> IC2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f"> 159</a></span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">boost::gil::planar_pixel_iterator<IC2,Cs></a> <a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">copy</a>(<a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">boost::gil::planar_pixel_iterator<IC1,Cs></a> first, <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">boost::gil::planar_pixel_iterator<IC1,Cs></a> last, <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">boost::gil::planar_pixel_iterator<IC2,Cs></a> dst) {</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  boost::gil::gil_function_requires<boost::gil::ChannelsCompatibleConcept<typename std::iterator_traits<IC1>::value_type,<span class="keyword">typename</span> std::iterator_traits<IC2>::value_type> >();</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  static_for_each(first,last,dst,boost::gil::detail::copy_fn<IC1,IC2>());</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> dst+(last-first);</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> }</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> } <span class="comment">// namespace std</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> O></div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1copier__n.html"> 171</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1copier__n.html">copier_n</a> {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  BOOST_FORCEINLINE <span class="keywordtype">void</span> operator()(I src, <span class="keyword">typename</span> std::iterator_traits<I>::difference_type n, O dst)<span class="keyword"> const </span>{ <a class="code" href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">std::copy</a>(src,src+n, dst); }</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> };</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IL, <span class="keyword">typename</span> O> <span class="comment">// IL Models ConstPixelLocatorConcept, O Models PixelIteratorConcept</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1copier__n_3_01iterator__from__2d_3_01_i_l_01_4_00_01_o_01_4.html"> 177</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1copier__n.html">copier_n</a><<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a><IL>,O> {</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">using</span> diff_t = <span class="keyword">typename</span> std::iterator_traits<iterator_from_2d<IL> >::difference_type;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  BOOST_FORCEINLINE <span class="keywordtype">void</span> operator()(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d<IL></a> src, diff_t n, O dst)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  gil_function_requires<PixelLocatorConcept<IL> >();</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  gil_function_requires<MutablePixelIteratorConcept<O> >();</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">while</span> (n>0) {</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  diff_t l=src.width()-src.x_pos();</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  diff_t numToCopy=(n<l ? n:l);</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  detail::copy_n(src.x(), numToCopy, dst);</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  dst+=numToCopy;</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  src+=numToCopy;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  n-=numToCopy;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> };</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> OL> <span class="comment">// I Models ConstPixelIteratorConcept, OL Models PixelLocatorConcept</span></div>
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<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1copier__n_3_01_i_00_01iterator__from__2d_3_01_o_l_01_4_01_4.html"> 195</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1copier__n.html">copier_n</a><I,<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a><OL> > {</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">using</span> diff_t = <span class="keyword">typename</span> std::iterator_traits<I>::difference_type;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  BOOST_FORCEINLINE <span class="keywordtype">void</span> operator()(I src, diff_t n, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d<OL></a> dst)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  gil_function_requires<PixelIteratorConcept<I> >();</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  gil_function_requires<MutablePixelLocatorConcept<OL> >();</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">while</span> (n>0) {</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  diff_t l=dst.width()-dst.x_pos();</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  diff_t numToCopy=(n<l ? n:l);</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  detail::copy_n(src, numToCopy, dst.x());</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  dst+=numToCopy;</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  src+=numToCopy;</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  n-=numToCopy;</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> };</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IL, <span class="keyword">typename</span> OL></div>
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<div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1copier__n_3_01iterator__from__2d_3_01_i_l_01_4_00_01iterator__from__2d_3_01_o_l_01_4_01_4.html"> 213</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1copier__n.html">copier_n</a><<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a><IL>,<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a><OL> > {</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">using</span> diff_t = <span class="keyword">typename</span> iterator_from_2d<IL>::difference_type;</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  BOOST_FORCEINLINE <span class="keywordtype">void</span> operator()(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d<IL></a> src, diff_t n, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d<OL></a> dst)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  gil_function_requires<PixelLocatorConcept<IL> >();</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  gil_function_requires<MutablePixelLocatorConcept<OL> >();</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (src.x_pos()!=dst.x_pos() || src.width()!=dst.width()) {</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">while</span>(n-->0) {</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  *dst++=*src++;</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">while</span> (n>0) {</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  diff_t l=dst.width()-dst.x_pos();</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  diff_t numToCopy=(n<l ? n : l);</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  detail::copy_n(src.x(), numToCopy, dst.x());</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  dst+=numToCopy;</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  src+=numToCopy;</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  n-=numToCopy;</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> };</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">template</span> <<span class="keyword">typename</span> SrcIterator, <span class="keyword">typename</span> DstIterator></div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> BOOST_FORCEINLINE DstIterator copy_with_2d_iterators(SrcIterator first, SrcIterator last, DstIterator dst) {</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">using</span> src_x_iterator = <span class="keyword">typename</span> SrcIterator::x_iterator;</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">using</span> dst_x_iterator = <span class="keyword">typename</span> DstIterator::x_iterator;</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">typename</span> SrcIterator::difference_type n = last - first;</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (first.is_1d_traversable()) {</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (dst.is_1d_traversable())</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="structboost_1_1gil_1_1detail_1_1copier__n.html">copier_n<src_x_iterator,dst_x_iterator></a>()(first.x(),n, dst.x());</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="structboost_1_1gil_1_1detail_1_1copier__n.html">copier_n<src_x_iterator,DstIterator ></a>()(first.x(),n, dst);</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (dst.is_1d_traversable())</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  copier_n<SrcIterator,dst_x_iterator>()(first,n, dst.x());</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  copier_n<SrcIterator,DstIterator>()(first,n,dst);</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> dst+n;</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> }</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="keyword">namespace </span>std {</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IL, <span class="keyword">typename</span> OL></div>
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<div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="group___s_t_l_optimizations.html#ga5aa989f3992b09c1f2d00eb9a98cbf1f"> 261</a></span> BOOST_FORCEINLINE <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<OL></a> <a class="code" href="group___s_t_l_optimizations.html#ga5aa989f3992b09c1f2d00eb9a98cbf1f">copy1</a>(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<IL></a> first, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<IL></a> last, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<OL></a> dst) {</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> boost::gil::detail::copy_with_2d_iterators(first,last,dst);</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> } <span class="comment">// namespace std</span></div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00270"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4"> 270</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4">copy_pixels</a>(<span class="keyword">const</span> View1& src, <span class="keyword">const</span> View2& dst)</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> {</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  BOOST_ASSERT(src.dimensions() == dst.dimensions());</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  detail::copy_with_2d_iterators(src.begin(),src.end(),dst.begin());</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="keyword">template</span> <<span class="keyword">typename</span> CC></div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keyword">class </span>copy_and_convert_pixels_fn : <span class="keyword">public</span> binary_operation_obj<copy_and_convert_pixels_fn<CC> > {</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  CC _cc;</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">using</span> result_type = <span class="keyword">typename</span> binary_operation_obj<copy_and_convert_pixels_fn<default_color_converter> >::result_type;</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  copy_and_convert_pixels_fn() {}</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  copy_and_convert_pixels_fn(CC cc_in) : _cc(cc_in) {}</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// when the two color spaces are incompatible, a color conversion is performed</span></div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  result_type apply_incompatible(<span class="keyword">const</span> V1& src, <span class="keyword">const</span> V2& dst)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4">copy_pixels</a>(color_converted_view<typename V2::value_type>(src,_cc),dst);</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// If the two color spaces are compatible, copy_and_convert is just copy</span></div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  result_type apply_compatible(<span class="keyword">const</span> V1& src, <span class="keyword">const</span> V2& dst)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <a class="code" href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4">copy_pixels</a>(src,dst);</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> };</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="keyword">template</span> <<span class="keyword">typename</span> V1, <span class="keyword">typename</span> V2,<span class="keyword">typename</span> CC></div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keywordtype">void</span> copy_and_convert_pixels(<span class="keyword">const</span> V1& src, <span class="keyword">const</span> V2& dst,CC cc) {</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  detail::copy_and_convert_pixels_fn<CC> ccp(cc);</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  ccp(src,dst);</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> }</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="keyword">struct </span>default_color_converter;</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2></div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="keywordtype">void</span> copy_and_convert_pixels(<span class="keyword">const</span> View1& src, <span class="keyword">const</span> View2& dst) {</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  detail::copy_and_convert_pixels_fn<default_color_converter> ccp;</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  ccp(src,dst);</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// std::fill and gil::fill_pixels</span></div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"></span></div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="keyword">namespace </span>std {</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IL, <span class="keyword">typename</span> V></div>
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<div class="line"><a name="l00350"></a><span class="lineno"><a class="line" href="group___s_t_l_optimizations.html#gaab999be608ae006f1127b8bb5145a227"> 350</a></span> <span class="keywordtype">void</span> <a class="code" href="group___s_t_l_optimizations.html#gaab999be608ae006f1127b8bb5145a227">fill</a>(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<IL></a> first, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<IL></a> last, <span class="keyword">const</span> V& val) {</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  boost::gil::gil_function_requires<boost::gil::MutablePixelLocatorConcept<IL> >();</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (first.is_1d_traversable()) {</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="group___s_t_l_optimizations.html#gaab999be608ae006f1127b8bb5145a227">std::fill</a>(first.x(), last.x(), val);</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">// fill row by row</span></div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  std::ptrdiff_t n=last-first;</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">while</span> (n>0) {</div>
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|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  std::ptrdiff_t numToDo=std::min<const std::ptrdiff_t>(n,(std::ptrdiff_t)(first.width()-first.x_pos()));</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  std::fill_n(first.x(), numToDo, val);</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  first+=numToDo;</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  n-=numToDo;</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
|
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> }</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> } <span class="comment">// namespace std</span></div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
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|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1std__fill__t.html"> 370</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1std__fill__t.html">std_fill_t</a> {</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> It, <span class="keyword">typename</span> P></div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordtype">void</span> operator()(It first, It last, <span class="keyword">const</span> P& p_in) {</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="group___s_t_l_optimizations.html#gaab999be608ae006f1127b8bb5145a227">std::fill</a>(first,last,p_in);</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
|
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> };</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It, <span class="keyword">typename</span> P></div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> BOOST_FORCEINLINE</div>
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|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="keywordtype">void</span> fill_aux(It first, It last, <span class="keyword">const</span> P& p, mpl::true_) {</div>
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|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  static_for_each(first,last,p,<a class="code" href="structboost_1_1gil_1_1detail_1_1std__fill__t.html">std_fill_t</a>());</div>
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|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> }</div>
|
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It, <span class="keyword">typename</span> P></div>
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|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="keywordtype">void</span> fill_aux(It first, It last, <span class="keyword">const</span> P& p,mpl::false_) {</div>
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|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <a class="code" href="group___s_t_l_optimizations.html#gaab999be608ae006f1127b8bb5145a227">std::fill</a>(first,last,p);</div>
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|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> }</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> } <span class="comment">// namespace detail</span></div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View, <span class="keyword">typename</span> Value> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_fill_pixels.html#ga97139561b11f9b07849606bdcbae202f"> 393</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_fill_pixels.html#ga97139561b11f9b07849606bdcbae202f">fill_pixels</a>(<span class="keyword">const</span> View& img_view, <span class="keyword">const</span> Value& val) {</div>
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|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (img_view.is_1d_traversable())</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  detail::fill_aux(img_view.begin().x(), img_view.end().x(),</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  val,is_planar<View>());</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<img_view.height(); ++y)</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  detail::fill_aux(img_view.row_begin(y),img_view.row_end(y),</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  val,is_planar<View>());</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> }</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div>
|
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
|
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="keyword">namespace </span>detail {</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator></div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="keywordtype">void</span> destruct_range_impl(Iterator first, Iterator last,</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">typename</span> std::enable_if</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  mpl::and_</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  is_pointer<Iterator>,</div>
|
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  mpl::not_<std::is_trivially_destructible<<span class="keyword">typename</span> std::iterator_traits<Iterator>::value_type>></div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  >::type::value</div>
|
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  >::type* <span class="comment">/*ptr*/</span> = 0)</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> {</div>
|
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">while</span> (first != last)</div>
|
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  {</div>
|
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  first->~value_t();</div>
|
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  ++first;</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> }</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator></div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="keywordtype">void</span> destruct_range_impl(Iterator first, Iterator last,</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keyword">typename</span> std::enable_if</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  mpl::or_</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  mpl::not_<is_pointer<Iterator>>,</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  std::is_trivially_destructible<<span class="keyword">typename</span> std::iterator_traits<Iterator>::value_type></div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  >::type::value</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  >::type* <span class="comment">/* ptr */</span> = <span class="keyword">nullptr</span>)</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> {</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator></div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="keywordtype">void</span> destruct_range(Iterator first, Iterator last)</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> {</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  destruct_range_impl(first, last);</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> }</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="keyword">struct </span>std_destruct_t</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> {</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator></div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordtype">void</span> operator()(Iterator first, Iterator last)<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  destruct_range(first,last);</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> };</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It></div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keywordtype">void</span> destruct_aux(It first, It last, mpl::true_) {</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  static_for_each(first,last,std_destruct_t());</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> }</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It></div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="keywordtype">void</span> destruct_aux(It first, It last, mpl::false_) {</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  destruct_range(first,last);</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> }</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> } <span class="comment">// namespace detail</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> </div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View> BOOST_FORCEINLINE</div>
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|
<div class="line"><a name="l00480"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#ga7df65edbc2f8666fceab53f12c805056"> 480</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#ga7df65edbc2f8666fceab53f12c805056">destruct_pixels</a>(<span class="keyword">const</span> View& img_view) {</div>
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<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> (img_view.is_1d_traversable())</div>
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<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  detail::destruct_aux(img_view.begin().x(), img_view.end().x(),</div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  is_planar<View>());</div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<img_view.height(); ++y)</div>
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<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  detail::destruct_aux(img_view.row_begin(y),img_view.row_end(y),</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  is_planar<View>());</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> }</div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div>
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> </div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It, <span class="keyword">typename</span> P></div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="keywordtype">void</span> uninitialized_fill_aux(It first, It last,</div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">const</span> P& p, mpl::true_) {</div>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordtype">int</span> channel=0;</div>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keyword">using</span> pixel_t = <span class="keyword">typename</span> std::iterator_traits<It>::value_type;</div>
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<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">while</span> (channel < num_channels<pixel_t>::value) {</div>
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<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  std::uninitialized_fill(dynamic_at_c(first,channel), dynamic_at_c(last,channel),</div>
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<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  dynamic_at_c(p,channel));</div>
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<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  ++channel;</div>
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div>
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<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  } <span class="keywordflow">catch</span> (...) {</div>
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c=0; c<channel; ++c)</div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  destruct_range(dynamic_at_c(first,c), dynamic_at_c(last,c));</div>
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">throw</span>;</div>
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  }</div>
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> }</div>
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<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div>
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It, <span class="keyword">typename</span> P></div>
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="keywordtype">void</span> uninitialized_fill_aux(It first, It last,</div>
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<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keyword">const</span> P& p,mpl::false_) {</div>
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<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  std::uninitialized_fill(first,last,p);</div>
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<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> }</div>
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<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> </div>
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<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View, <span class="keyword">typename</span> Value></div>
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<div class="line"><a name="l00537"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#gac76b077c590caecf1e37fcaba34eec62"> 537</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#gac76b077c590caecf1e37fcaba34eec62">uninitialized_fill_pixels</a>(<span class="keyword">const</span> View& img_view, <span class="keyword">const</span> Value& val) {</div>
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<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">if</span> (img_view.is_1d_traversable())</div>
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  detail::uninitialized_fill_aux(img_view.begin().x(), img_view.end().x(),</div>
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<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  val,is_planar<View>());</div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keyword">typename</span> View::y_coord_t y = 0;</div>
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<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">for</span> (y=0; y<img_view.height(); ++y)</div>
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<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  detail::uninitialized_fill_aux(img_view.row_begin(y),img_view.row_end(y),</div>
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<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  val,is_planar<View>());</div>
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<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  } <span class="keywordflow">catch</span>(...) {</div>
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<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> View::y_coord_t y0=0; y0<y; ++y0)</div>
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<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  detail::destruct_aux(img_view.row_begin(y0),img_view.row_end(y0), is_planar<View>());</div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">throw</span>;</div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  }</div>
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> }</div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div>
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<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div>
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<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> </div>
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<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It> BOOST_FORCEINLINE</div>
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|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="keywordtype">void</span> default_construct_range_impl(It first, It last, mpl::true_) {</div>
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<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keyword">using</span> value_t = <span class="keyword">typename</span> std::iterator_traits<It>::value_type;</div>
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<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  It first1=first;</div>
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<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">while</span> (first!=last) {</div>
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|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keyword">new</span> (first) value_t();</div>
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|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  ++first;</div>
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<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  }</div>
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|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  } <span class="keywordflow">catch</span> (...) {</div>
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|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  destruct_range(first1,first);</div>
|
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<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">throw</span>;</div>
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|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  }</div>
|
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<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> }</div>
|
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<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div>
|
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<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="keywordtype">void</span> default_construct_range_impl(It, It, mpl::false_) {}</div>
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<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div>
|
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<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="keywordtype">void</span> default_construct_range(It first, It last) { default_construct_range_impl(first, last, <span class="keyword">typename</span> is_pointer<It>::type()); }</div>
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<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div>
|
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<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It></div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> BOOST_FORCEINLINE</div>
|
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<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="keywordtype">void</span> default_construct_aux(It first, It last, mpl::true_) {</div>
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|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordtype">int</span> channel=0;</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keyword">using</span> pixel_t = <span class="keyword">typename</span> std::iterator_traits<It>::value_type;</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">while</span> (channel < num_channels<pixel_t>::value) {</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  default_construct_range(dynamic_at_c(first,channel), dynamic_at_c(last,channel));</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  ++channel;</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  }</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  } <span class="keywordflow">catch</span> (...) {</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c=0; c<channel; ++c)</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  destruct_range(dynamic_at_c(first,c), dynamic_at_c(last,c));</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordflow">throw</span>;</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  }</div>
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|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> }</div>
|
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<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div>
|
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<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It></div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="keywordtype">void</span> default_construct_aux(It first, It last, mpl::false_) {</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  default_construct_range(first,last);</div>
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|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> }</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> </div>
|
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<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View, <span class="keywordtype">bool</span> IsPlanar></div>
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<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="keyword">struct </span>has_trivial_pixel_constructor : <span class="keyword">public</span> boost::has_trivial_constructor<typename View::value_type> {};</div>
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<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View></div>
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<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> <span class="keyword">struct </span>has_trivial_pixel_constructor<View, true> : <span class="keyword">public</span> boost::has_trivial_constructor<typename channel_type<View>::type> {};</div>
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<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div>
|
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<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> </div>
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<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="keyword">template</span><<span class="keyword">typename</span> View, <span class="keywordtype">bool</span> IsTriviallyConstructible></div>
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<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> BOOST_FORCEINLINE</div>
|
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<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="keywordtype">void</span> default_construct_pixels_impl(</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  View <span class="keyword">const</span>& img_view,</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  std::enable_if<!IsTriviallyConstructible>* <span class="comment">/* ptr */</span> = <span class="keyword">nullptr</span>)</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> {</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">if</span>( img_view.is_1d_traversable() )</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  {</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  detail::default_construct_aux( img_view.begin().x()</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  , img_view.end().x()</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  , is_planar<View>()</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  );</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  }</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  {</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keyword">typename</span> View::y_coord_t y = 0;</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">try</span></div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  {</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">for</span>( y = 0; y < img_view.height(); ++y )</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  {</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  detail::default_construct_aux( img_view.row_begin( y )</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  ,img_view.row_end( y )</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  , is_planar<View>()</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  );</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  }</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  } <span class="keywordflow">catch</span>(...)</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  {</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> View::y_coord_t y0 = 0; y0 < y; ++y0 )</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  {</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  detail::destruct_aux( img_view.row_begin(y0)</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  , img_view.row_end(y0)</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  , is_planar<View>()</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  );</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span> </div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">throw</span>;</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  }</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  }</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> }</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> } <span class="comment">// namespace detail</span></div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div>
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<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View></div>
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<div class="line"><a name="l00666"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga92a7221a5471315550cc72e22cc3ae53"> 666</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga92a7221a5471315550cc72e22cc3ae53">default_construct_pixels</a>(<span class="keyword">const</span> View& img_view) {</div>
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<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  detail::default_construct_pixels_impl< View</div>
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<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  , detail::has_trivial_pixel_constructor< View</div>
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<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  , is_planar< View >::value</div>
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<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  >::value</div>
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<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  >( img_view );</div>
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<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> }</div>
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<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> </div>
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<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div>
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<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> </div>
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<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="keyword">namespace </span>detail {</div>
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<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It1, <span class="keyword">typename</span> It2></div>
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<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> <span class="keywordtype">void</span> uninitialized_copy_aux(It1 first1, It1 last1,</div>
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<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  It2 first2, mpl::true_) {</div>
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<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordtype">int</span> channel=0;</div>
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<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keyword">using</span> pixel_t = <span class="keyword">typename</span> std::iterator_traits<It1>::value_type;</div>
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<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keywordflow">while</span> (channel < num_channels<pixel_t>::value) {</div>
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<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  std::uninitialized_copy(dynamic_at_c(first1,channel), dynamic_at_c(last1,channel), dynamic_at_c(first2,channel));</div>
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<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  ++channel;</div>
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<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  }</div>
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<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  } <span class="keywordflow">catch</span> (...) {</div>
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<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  It2 last2=first2;</div>
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<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  std::advance(last2, std::distance(first1,last1));</div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c=0; c<channel; ++c)</div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  destruct_range(dynamic_at_c(first2,c), dynamic_at_c(last2,c));</div>
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<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">throw</span>;</div>
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<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  }</div>
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<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> }</div>
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<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="keyword">template</span> <<span class="keyword">typename</span> It1, <span class="keyword">typename</span> It2></div>
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<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="keywordtype">void</span> uninitialized_copy_aux(It1 first1, It1 last1,</div>
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<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  It2 first2,mpl::false_) {</div>
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<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  std::uninitialized_copy(first1,last1,first2);</div>
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<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> }</div>
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|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> </div>
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<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2></div>
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|
<div class="line"><a name="l00719"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels.html#gac0963c67027b3d50eb96f511e5a0c9fb"> 719</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels.html#gac0963c67027b3d50eb96f511e5a0c9fb">uninitialized_copy_pixels</a>(<span class="keyword">const</span> View1& view1, <span class="keyword">const</span> View2& view2) {</div>
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<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="keyword">using</span> is_planar = mpl::bool_<is_planar<View1>::value && is_planar<View2>::value>;</div>
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<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  BOOST_ASSERT(view1.dimensions() == view2.dimensions());</div>
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<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordflow">if</span> (view1.is_1d_traversable() && view2.is_1d_traversable())</div>
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<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  detail::uninitialized_copy_aux(view1.begin().x(), view1.end().x(),</div>
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|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  view2.begin().x(),</div>
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<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  is_planar());</div>
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|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keyword">typename</span> View1::y_coord_t y = 0;</div>
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|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">for</span> (y=0; y<view1.height(); ++y)</div>
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|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  detail::uninitialized_copy_aux(view1.row_begin(y), view1.row_end(y),</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  view2.row_begin(y),</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  is_planar());</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  } <span class="keywordflow">catch</span>(...) {</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> View1::y_coord_t y0=0; y0<y; ++y0)</div>
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|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  detail::destruct_aux(view2.row_begin(y0),view2.row_end(y0), is_planar());</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">throw</span>;</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  }</div>
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|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
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|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> }</div>
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|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> </div>
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|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span> </div>
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|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> </div>
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|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="keyword">template</span> <<span class="keyword">typename</span> V, <span class="keyword">typename</span> F></div>
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|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> F for_each_pixel(<span class="keyword">const</span> V& img, F fun) {</div>
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|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keywordflow">if</span> (img.is_1d_traversable()) {</div>
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|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">return</span> std::for_each(img.begin().x(), img.end().x(), fun);</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<img.height(); ++y)</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  std::for_each(img.row_begin(y),img.row_end(y),fun);</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">return</span> fun;</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  }</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> }</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> </div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> </div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View, <span class="keyword">typename</span> F></div>
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|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> F for_each_pixel_position(<span class="keyword">const</span> View& img, F fun) {</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keyword">typename</span> View::xy_locator loc=img.xy_at(0,0);</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<img.height(); ++y) {</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keywordflow">for</span> (std::ptrdiff_t x=0; x<img.width(); ++x, ++loc.x())</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  fun(loc);</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  loc.x()-=img.width(); ++loc.y();</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  }</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="keywordflow">return</span> fun;</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> }</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> </div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span> </div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> </div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View, <span class="keyword">typename</span> F></div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_generate_pixels.html#gac33ba79567f89e5deb4f1e5cbb0d8eca"> 797</a></span> <span class="keywordtype">void</span> <a class="code" href="group___image_view_s_t_l_algorithms_generate_pixels.html#gac33ba79567f89e5deb4f1e5cbb0d8eca">generate_pixels</a>(<span class="keyword">const</span> View& v, F fun) {</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keywordflow">if</span> (v.is_1d_traversable()) {</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  std::generate(v.begin().x(), v.end().x(), fun);</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<v.height(); ++y)</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  std::generate(v.row_begin(y),v.row_end(y),fun);</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  }</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> }</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> </div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> </div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span> </div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I1, <span class="keyword">typename</span> I2> BOOST_FORCEINLINE <span class="keywordtype">bool</span> equal_n(I1 i1, std::ptrdiff_t n, I2 i2);</div>
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|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> </div>
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|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="keyword">namespace </span>detail {</div>
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|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I1, <span class="keyword">typename</span> I2></div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <span class="keyword">struct </span>equal_n_fn {</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  BOOST_FORCEINLINE <span class="keywordtype">bool</span> operator()(I1 i1, std::ptrdiff_t n, I2 i2)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">std::equal</a>(i1,i1+n, i2); }</div>
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|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> };</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> </div>
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|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs></div>
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|
<div class="line"><a name="l00827"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1equal__n__fn_3_01const_01pixel_3_01_t_00_01_cs_01_4_01_5_00_01cof2dcbb9935c1f0c43d9a16609dbdbb2f.html"> 827</a></span> <span class="keyword">struct </span>equal_n_fn<const <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel</a><T,Cs>*, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T,Cs></a>*> {</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  BOOST_FORCEINLINE <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T,Cs></a>* i1, std::ptrdiff_t n, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T,Cs></a>* i2)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keywordflow">return</span> memcmp(i1, i2, n*<span class="keyword">sizeof</span>(<a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T,Cs></a>))==0;</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  }</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> };</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Cs></div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <span class="keyword">struct </span>equal_n_fn<<a class="code" href="structboost_1_1gil_1_1pixel.html">pixel</a><T,Cs>*, <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T,Cs></a>*> : equal_n_fn<const pixel<T,Cs>*, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1pixel.html">pixel<T,Cs></a>*> {};</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> </div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> <span class="keyword">template</span><<span class="keyword">typename</span> IC, <span class="keyword">typename</span> Cs></div>
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|
<div class="line"><a name="l00839"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1equal__n__fn_3_01planar__pixel__iterator_3_01_i_c_00_01_cs_01_4_24c83e783e21d37b62022997a2dbc869.html"> 839</a></span> <span class="keyword">struct </span>equal_n_fn<<a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">planar_pixel_iterator</a><IC,Cs>, <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">planar_pixel_iterator</a><IC,Cs> > {</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  BOOST_FORCEINLINE <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">planar_pixel_iterator<IC,Cs></a> i1, std::ptrdiff_t n, <span class="keyword">const</span> <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html">planar_pixel_iterator<IC,Cs></a> i2)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  std::ptrdiff_t numBytes=n*<span class="keyword">sizeof</span>(<span class="keyword">typename</span> std::iterator_traits<IC>::value_type);</div>
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|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span> </div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordflow">for</span> (std::ptrdiff_t i=0; i<mpl::size<Cs>::value; ++i)</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <span class="keywordflow">if</span> (memcmp(dynamic_at_c(i1,i), dynamic_at_c(i2,i), numBytes)!=0)</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  }</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> };</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> </div>
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<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Loc, <span class="keyword">typename</span> I2> <span class="comment">// IL Models ConstPixelLocatorConcept, O Models PixelIteratorConcept</span></div>
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<div class="line"><a name="l00852"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1equal__n__fn_3_01boost_1_1gil_1_1iterator__from__2d_3_01_loc_01_4_00_01_i2_01_4.html"> 852</a></span> <span class="keyword">struct </span>equal_n_fn<boost::<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">gil::iterator_from_2d</a><Loc>,I2> {</div>
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<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  BOOST_FORCEINLINE <span class="keywordtype">bool</span> operator()(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc></a> i1, std::ptrdiff_t n, I2 i2)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  gil_function_requires<boost::gil::PixelLocatorConcept<Loc> >();</div>
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<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  gil_function_requires<boost::gil::PixelIteratorConcept<I2> >();</div>
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<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">while</span> (n>0) {</div>
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<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  std::ptrdiff_t num=std::min<const std::ptrdiff_t>(n, i1.width()-i1.x_pos());</div>
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<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keywordflow">if</span> (!equal_n(i1.x(), num, i2))</div>
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<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  i1+=num;</div>
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<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  i2+=num;</div>
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<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  n-=num;</div>
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<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  }</div>
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<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  }</div>
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<div class="line"><a name="l00866"></a><span class="lineno"> 866</span> };</div>
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<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> </div>
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<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I1, <span class="keyword">typename</span> Loc> <span class="comment">// I Models PixelIteratorConcept, OL Models PixelLocatorConcept</span></div>
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<div class="line"><a name="l00870"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1equal__n__fn_3_01_i1_00_01boost_1_1gil_1_1iterator__from__2d_3_01_loc_01_4_01_4.html"> 870</a></span> <span class="keyword">struct </span>equal_n_fn<I1,boost::<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">gil::iterator_from_2d</a><Loc> > {</div>
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<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  BOOST_FORCEINLINE <span class="keywordtype">bool</span> operator()(I1 i1, std::ptrdiff_t n, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc></a> i2)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  gil_function_requires<boost::gil::PixelIteratorConcept<I1> >();</div>
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<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  gil_function_requires<boost::gil::PixelLocatorConcept<Loc> >();</div>
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<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">while</span> (n>0) {</div>
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<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  std::ptrdiff_t num=std::min<const std::ptrdiff_t>(n,i2.width()-i2.x_pos());</div>
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<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordflow">if</span> (!equal_n(i1, num, i2.x()))</div>
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<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  i1+=num;</div>
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<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  i2+=num;</div>
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<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  n-=num;</div>
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<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  }</div>
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<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  }</div>
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<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> };</div>
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<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> </div>
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<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Loc1, <span class="keyword">typename</span> Loc2></div>
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<div class="line"><a name="l00888"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1equal__n__fn_3_01boost_1_1gil_1_1iterator__from__2d_3_01_loc1_01629d3bb430b0f68b56ea86189659092c.html"> 888</a></span> <span class="keyword">struct </span>equal_n_fn<boost::<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">gil::iterator_from_2d</a><Loc1>,<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d</a><Loc2> > {</div>
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<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  BOOST_FORCEINLINE <span class="keywordtype">bool</span> operator()(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc1></a> i1, std::ptrdiff_t n, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc2></a> i2)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  gil_function_requires<boost::gil::PixelLocatorConcept<Loc1> >();</div>
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|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  gil_function_requires<boost::gil::PixelLocatorConcept<Loc2> >();</div>
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<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">if</span> (i1.x_pos()!=i2.x_pos() || i1.width()!=i2.width()) {</div>
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<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="keywordflow">while</span>(n-->0) {</div>
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|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keywordflow">if</span> (*i1++!=*i2++) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
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|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  }</div>
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|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">while</span> (n>0) {</div>
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|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  std::ptrdiff_t num=std::min<const std::ptrdiff_t>(n,i2.width()-i2.x_pos());</div>
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|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="keywordflow">if</span> (!equal_n(i1.x(), num, i2.x()))</div>
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|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  i1+=num;</div>
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|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  i2+=num;</div>
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|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  n-=num;</div>
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|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  }</div>
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|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  }</div>
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|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> };</div>
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|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> } <span class="comment">// namespace detail</span></div>
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<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> </div>
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|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I1, <span class="keyword">typename</span> I2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> <span class="keywordtype">bool</span> equal_n(I1 i1, std::ptrdiff_t n, I2 i2) {</div>
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<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keywordflow">return</span> detail::equal_n_fn<I1,I2>()(i1,n,i2);</div>
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<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> }</div>
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<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> </div>
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|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> <span class="keyword">namespace </span>std {</div>
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|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Loc1, <span class="keyword">typename</span> Loc2> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00929"></a><span class="lineno"><a class="line" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079"> 929</a></span> <span class="keywordtype">bool</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">equal</a>(<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc1></a> first, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc1></a> last, <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc2></a> first2) {</div>
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|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  boost::gil::gil_function_requires<boost::gil::PixelLocatorConcept<Loc1> >();</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  boost::gil::gil_function_requires<boost::gil::PixelLocatorConcept<Loc2> >();</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  std::ptrdiff_t n=last-first;</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordflow">if</span> (first.is_1d_traversable()) {</div>
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|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">if</span> (first2.is_1d_traversable())</div>
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|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">return</span> boost::gil::detail::equal_n_fn<typename Loc1::x_iterator,typename Loc2::x_iterator>()(first.x(),n, first2.x());</div>
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|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keywordflow">return</span> boost::gil::detail::equal_n_fn<typename Loc1::x_iterator,boost::gil::iterator_from_2d<Loc2> >()(first.x(),n, first2);</div>
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|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <span class="keywordflow">if</span> (first2.is_1d_traversable())</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="keywordflow">return</span> boost::gil::detail::equal_n_fn<<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc1></a>,<span class="keyword">typename</span> Loc2::x_iterator>()(first,n, first2.x());</div>
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|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">else</span></div>
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|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <span class="keywordflow">return</span> boost::gil::detail::equal_n_fn<boost::gil::iterator_from_2d<Loc1>,<a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d<Loc2></a> >()(first,n,first2);</div>
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|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  }</div>
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|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> }</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> } <span class="comment">// namespace std</span></div>
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|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> </div>
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|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2> BOOST_FORCEINLINE</div>
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|
<div class="line"><a name="l00951"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_equal_pixels.html#gaf92f26110623cac64ee3c1165b9781be"> 951</a></span> <span class="keywordtype">bool</span> <a class="code" href="group___image_view_s_t_l_algorithms_equal_pixels.html#gaf92f26110623cac64ee3c1165b9781be">equal_pixels</a>(<span class="keyword">const</span> View1& v1, <span class="keyword">const</span> View2& v2) {</div>
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<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  BOOST_ASSERT(v1.dimensions() == v2.dimensions());</div>
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|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  <span class="keywordflow">return</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">std::equal</a>(v1.begin(),v1.end(),v2.begin()); <span class="comment">// std::equal has overloads with GIL iterators for optimal performance</span></div>
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|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> }</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> </div>
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|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> </div>
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|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> </div>
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<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2, <span class="keyword">typename</span> F> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l00969"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_transform_pixels.html#ga13302ec07014cc5731eac12af31dcbf2"> 969</a></span> F <a class="code" href="group___image_view_s_t_l_algorithms_transform_pixels.html#ga1e305a02243f47850191176a516bc35b">transform_pixels</a>(<span class="keyword">const</span> View1& src,<span class="keyword">const</span> View2& dst, F fun) {</div>
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<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  BOOST_ASSERT(src.dimensions() == dst.dimensions());</div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<src.height(); ++y) {</div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keyword">typename</span> View1::x_iterator srcIt=src.row_begin(y);</div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="keyword">typename</span> View2::x_iterator dstIt=dst.row_begin(y);</div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordflow">for</span> (std::ptrdiff_t x=0; x<src.width(); ++x)</div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  dstIt[x]=fun(srcIt[x]);</div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  }</div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="keywordflow">return</span> fun;</div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> }</div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> </div>
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|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2, <span class="keyword">typename</span> View3, <span class="keyword">typename</span> F> BOOST_FORCEINLINE</div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_transform_pixels.html#ga1e305a02243f47850191176a516bc35b"> 983</a></span> F <a class="code" href="group___image_view_s_t_l_algorithms_transform_pixels.html#ga1e305a02243f47850191176a516bc35b">transform_pixels</a>(<span class="keyword">const</span> View1& src1, <span class="keyword">const</span> View2& src2,<span class="keyword">const</span> View3& dst, F fun) {</div>
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|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<dst.height(); ++y) {</div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <span class="keyword">typename</span> View1::x_iterator srcIt1=src1.row_begin(y);</div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="keyword">typename</span> View2::x_iterator srcIt2=src2.row_begin(y);</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="keyword">typename</span> View3::x_iterator dstIt=dst.row_begin(y);</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keywordflow">for</span> (std::ptrdiff_t x=0; x<dst.width(); ++x)</div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  dstIt[x]=fun(srcIt1[x],srcIt2[x]);</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  }</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">return</span> fun;</div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> }</div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> </div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> </div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2, <span class="keyword">typename</span> F> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l01001"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_transform_pixel_positions.html#ga95a088c22582393635c4a193b9f027a7"> 1001</a></span> F <a class="code" href="group___image_view_s_t_l_algorithms_transform_pixel_positions.html#gaac28133aac4c7c590777ff77af830a7f">transform_pixel_positions</a>(<span class="keyword">const</span> View1& src,<span class="keyword">const</span> View2& dst, F fun) {</div>
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<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  BOOST_ASSERT(src.dimensions() == dst.dimensions());</div>
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<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keyword">typename</span> View1::xy_locator loc=src.xy_at(0,0);</div>
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<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<src.height(); ++y) {</div>
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<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="keyword">typename</span> View2::x_iterator dstIt=dst.row_begin(y);</div>
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<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordflow">for</span> (std::ptrdiff_t x=0; x<src.width(); ++x, ++loc.x())</div>
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<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  dstIt[x]=fun(loc);</div>
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<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  loc.x()-=src.width(); ++loc.y();</div>
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<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  }</div>
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<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="keywordflow">return</span> fun;</div>
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<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> }</div>
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<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> </div>
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<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> <span class="keyword">template</span> <<span class="keyword">typename</span> View1, <span class="keyword">typename</span> View2, <span class="keyword">typename</span> View3, <span class="keyword">typename</span> F> BOOST_FORCEINLINE</div>
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<div class="line"><a name="l01016"></a><span class="lineno"><a class="line" href="group___image_view_s_t_l_algorithms_transform_pixel_positions.html#gaac28133aac4c7c590777ff77af830a7f"> 1016</a></span> F <a class="code" href="group___image_view_s_t_l_algorithms_transform_pixel_positions.html#gaac28133aac4c7c590777ff77af830a7f">transform_pixel_positions</a>(<span class="keyword">const</span> View1& src1,<span class="keyword">const</span> View2& src2,<span class="keyword">const</span> View3& dst, F fun) {</div>
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<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  BOOST_ASSERT(src1.dimensions() == dst.dimensions());</div>
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<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  BOOST_ASSERT(src2.dimensions() == dst.dimensions());</div>
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<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keyword">typename</span> View1::xy_locator loc1=src1.xy_at(0,0);</div>
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<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <span class="keyword">typename</span> View2::xy_locator loc2=src2.xy_at(0,0);</div>
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<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keywordflow">for</span> (std::ptrdiff_t y=0; y<src1.height(); ++y) {</div>
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<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <span class="keyword">typename</span> View3::x_iterator dstIt=dst.row_begin(y);</div>
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<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keywordflow">for</span> (std::ptrdiff_t x=0; x<src1.width(); ++x, ++loc1.x(), ++loc2.x())</div>
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<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  dstIt[x]=fun(loc1,loc2);</div>
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<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  loc1.x()-=src1.width(); ++loc1.y();</div>
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<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  loc2.x()-=src2.width(); ++loc2.y();</div>
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<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  }</div>
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<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  <span class="keywordflow">return</span> fun;</div>
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<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> }</div>
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<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> </div>
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<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels_html_gac76b077c590caecf1e37fcaba34eec62"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#gac76b077c590caecf1e37fcaba34eec62">boost::gil::uninitialized_fill_pixels</a></div><div class="ttdeci">void uninitialized_fill_pixels(const View &img_view, const Value &val)</div><div class="ttdoc">std::uninitialized_fill for image views. Does not support planar heterogeneous views. If an exception is thrown destructs any in-place copy-constructed pixels </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:537</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1pixel_html"><div class="ttname"><a href="structboost_1_1gil_1_1pixel.html">boost::gil::pixel</a></div><div class="ttdoc">Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept, PixelValueConcept, HomogeneousPixelBasedConcept. </div><div class="ttdef"><b>Definition:</b> metafunctions.hpp:30</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_generate_pixels_html_gac33ba79567f89e5deb4f1e5cbb0d8eca"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_generate_pixels.html#gac33ba79567f89e5deb4f1e5cbb0d8eca">boost::gil::generate_pixels</a></div><div class="ttdeci">void generate_pixels(const View &v, F fun)</div><div class="ttdoc">std::generate for image views </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:797</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_transform_pixels_html_ga1e305a02243f47850191176a516bc35b"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_transform_pixels.html#ga1e305a02243f47850191176a516bc35b">boost::gil::transform_pixels</a></div><div class="ttdeci">BOOST_FORCEINLINE F transform_pixels(const View1 &src1, const View2 &src2, const View3 &dst, F fun)</div><div class="ttdoc">transform_pixels with two sources </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:983</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1planar__pixel__iterator_html"><div class="ttname"><a href="structboost_1_1gil_1_1planar__pixel__iterator.html">boost::gil::planar_pixel_iterator</a></div><div class="ttdoc">An iterator over planar pixels. Models HomogeneousColorBaseConcept, PixelIteratorConcept, HomogeneousPixelBasedConcept, MemoryBasedIteratorConcept, HasDynamicXStepTypeConcept. </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:34</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1detail_1_1copier__n_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1copier__n.html">boost::gil::detail::copier_n</a></div><div class="ttdef"><b>Definition:</b> algorithm.hpp:171</div></div>
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<div class="ttc" id="classboost_1_1gil_1_1iterator__from__2d_html"><div class="ttname"><a href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d</a></div><div class="ttdoc">Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept, PixelBasedConcept, HasDynamicXStepTypeConcept. </div><div class="ttdef"><b>Definition:</b> iterator_from_2d.hpp:42</div></div>
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<div class="ttc" id="classboost_1_1gil_1_1memory__based__2d__locator_html"><div class="ttname"><a href="classboost_1_1gil_1_1memory__based__2d__locator.html">boost::gil::memory_based_2d_locator</a></div><div class="ttdoc">Memory-based pixel locator. Models: PixelLocatorConcept,HasDynamicXStepTypeConcept,HasDynamicYStepTypeConcept,HasTransposedTypeConceptThe class takes a step iterator as a parameter. The step iterator provides navigation along the vertical axis while its base iterator provides horizontal navigation. </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:38</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_equal_pixels_html_gaf92f26110623cac64ee3c1165b9781be"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_equal_pixels.html#gaf92f26110623cac64ee3c1165b9781be">boost::gil::equal_pixels</a></div><div class="ttdeci">BOOST_FORCEINLINE bool equal_pixels(const View1 &v1, const View2 &v2)</div><div class="ttdoc">std::equal for image views </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:951</div></div>
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<div class="ttc" id="group___s_t_l_optimizations_html_gaab999be608ae006f1127b8bb5145a227"><div class="ttname"><a href="group___s_t_l_optimizations.html#gaab999be608ae006f1127b8bb5145a227">std::fill</a></div><div class="ttdeci">void fill(boost::gil::iterator_from_2d< IL > first, boost::gil::iterator_from_2d< IL > last, const V &val)</div><div class="ttdoc">std::fill(I,I,V) with I being a iterator_from_2d </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:350</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_copy_pixels_html_ga15f144a6ff49ab684f8cbf58d9b7ced4"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4">boost::gil::copy_pixels</a></div><div class="ttdeci">BOOST_FORCEINLINE void copy_pixels(const View1 &src, const View2 &dst)</div><div class="ttdoc">std::copy for image views </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:270</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_fill_pixels_html_ga97139561b11f9b07849606bdcbae202f"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_fill_pixels.html#ga97139561b11f9b07849606bdcbae202f">boost::gil::fill_pixels</a></div><div class="ttdeci">BOOST_FORCEINLINE void fill_pixels(const View &img_view, const Value &val)</div><div class="ttdoc">std::fill for image views </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:393</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_default_construct_pixels_html_ga92a7221a5471315550cc72e22cc3ae53"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga92a7221a5471315550cc72e22cc3ae53">boost::gil::default_construct_pixels</a></div><div class="ttdeci">void default_construct_pixels(const View &img_view)</div><div class="ttdoc">Invokes the in-place default constructor on every pixel of the (uninitialized) view. Does not support planar heterogeneous views. If an exception is thrown destructs any in-place default-constructed pixels. </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:666</div></div>
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<div class="ttc" id="group___s_t_l_optimizations_html_ga5aa989f3992b09c1f2d00eb9a98cbf1f"><div class="ttname"><a href="group___s_t_l_optimizations.html#ga5aa989f3992b09c1f2d00eb9a98cbf1f">std::copy1</a></div><div class="ttdeci">BOOST_FORCEINLINE boost::gil::iterator_from_2d< OL > copy1(boost::gil::iterator_from_2d< IL > first, boost::gil::iterator_from_2d< IL > last, boost::gil::iterator_from_2d< OL > dst)</div><div class="ttdoc">std::copy(I1,I1,I2) with I1 and I2 being a iterator_from_2d </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:261</div></div>
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<div class="ttc" id="group___s_t_l_optimizations_html_gac27cfe7547df057c1f59f509e3ee486f"><div class="ttname"><a href="group___s_t_l_optimizations.html#gac27cfe7547df057c1f59f509e3ee486f">std::copy</a></div><div class="ttdeci">BOOST_FORCEINLINE boost::gil::planar_pixel_iterator< IC2, Cs > copy(boost::gil::planar_pixel_iterator< IC1, Cs > first, boost::gil::planar_pixel_iterator< IC1, Cs > last, boost::gil::planar_pixel_iterator< IC2, Cs > dst)</div><div class="ttdoc">Copy when both src and dst are planar pointers is copy for each channel. </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:159</div></div>
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<div class="ttc" id="group___s_t_l_optimizations_html_ga2902a23650ef266e80874ce5df076079"><div class="ttname"><a href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">std::equal</a></div><div class="ttdeci">BOOST_FORCEINLINE bool equal(boost::gil::iterator_from_2d< Loc1 > first, boost::gil::iterator_from_2d< Loc1 > last, boost::gil::iterator_from_2d< Loc2 > first2)</div><div class="ttdoc">std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:929</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1binary__operation__obj_html"><div class="ttname"><a href="structboost_1_1gil_1_1binary__operation__obj.html">boost::gil::binary_operation_obj</a></div><div class="ttdoc">A generic binary operation on viewsUse this class as a convenience superclass when defining an operat...</div><div class="ttdef"><b>Definition:</b> algorithm.hpp:81</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1detail_1_1std__fill__t_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1std__fill__t.html">boost::gil::detail::std_fill_t</a></div><div class="ttdoc">struct to do std::fill </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:370</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_transform_pixel_positions_html_gaac28133aac4c7c590777ff77af830a7f"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_transform_pixel_positions.html#gaac28133aac4c7c590777ff77af830a7f">boost::gil::transform_pixel_positions</a></div><div class="ttdeci">BOOST_FORCEINLINE F transform_pixel_positions(const View1 &src1, const View2 &src2, const View3 &dst, F fun)</div><div class="ttdoc">transform_pixel_positions with two sources </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:1016</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels_html_gac0963c67027b3d50eb96f511e5a0c9fb"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels.html#gac0963c67027b3d50eb96f511e5a0c9fb">boost::gil::uninitialized_copy_pixels</a></div><div class="ttdeci">void uninitialized_copy_pixels(const View1 &view1, const View2 &view2)</div><div class="ttdoc">std::uninitialized_copy for image views. Does not support planar heterogeneous views. If an exception is thrown destructs any in-place copy-constructed objects </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:719</div></div>
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<div class="ttc" id="group___image_view_s_t_l_algorithms_destruct_pixels_html_ga7df65edbc2f8666fceab53f12c805056"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_destruct_pixels.html#ga7df65edbc2f8666fceab53f12c805056">boost::gil::destruct_pixels</a></div><div class="ttdeci">BOOST_FORCEINLINE void destruct_pixels(const View &img_view)</div><div class="ttdoc">Invokes the in-place destructor on every pixel of the view. </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:480</div></div>
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<div class="ttc" id="classboost_1_1gil_1_1memory__based__step__iterator_html"><div class="ttname"><a href="classboost_1_1gil_1_1memory__based__step__iterator.html">boost::gil::memory_based_step_iterator</a></div><div class="ttdoc">MEMORY-BASED STEP ITERATOR. </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:36</div></div>
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