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- <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef BOOST_GIL_PLANAR_PIXEL_ITERATOR_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_PLANAR_PIXEL_ITERATOR_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/gil/pixel.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/step_iterator.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/detail/mp11.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/iterator/iterator_facade.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <iterator></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">//forward declaration (as this file is included in planar_pixel_reference.hpp)</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelReference, <span class="keyword">typename</span> ColorSpace></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">struct </span>planar_pixel_reference;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelPtr, <span class="keyword">typename</span> ColorSpace></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">struct </span>planar_pixel_iterator</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  :</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  iterator_facade</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  planar_pixel_iterator<ChannelPtr, ColorSpace>,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  pixel<typename std::iterator_traits<ChannelPtr>::value_type,layout<ColorSpace>>,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  std::random_access_iterator_tag,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference, ColorSpace> const</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  >,</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  detail::homogeneous_color_base</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  ChannelPtr,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  layout<ColorSpace>,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  mp11::mp_size<ColorSpace>::value</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">using</span> parent_t = iterator_facade</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  planar_pixel_iterator<ChannelPtr, ColorSpace>,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  pixel<typename std::iterator_traits<ChannelPtr>::value_type,layout<ColorSpace>>,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::random_access_iterator_tag,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference, ColorSpace> <span class="keyword">const</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  >;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">using</span> color_base_parent_t = detail::homogeneous_color_base</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  ChannelPtr,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  layout<ColorSpace>,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  mp11::mp_size<ColorSpace>::value</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  >;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">using</span> channel_t = <span class="keyword">typename</span> std::iterator_traits<ChannelPtr>::value_type;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">using</span> value_type = <span class="keyword">typename</span> parent_t::value_type;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">using</span> reference = <span class="keyword">typename</span> parent_t::reference;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">using</span> difference_type = <span class="keyword">typename</span> parent_t::difference_type;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  planar_pixel_iterator() : color_base_parent_t(0) {}</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  planar_pixel_iterator(<span class="keywordtype">bool</span>) {} <span class="comment">// constructor that does not fill with zero (for performance)</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  planar_pixel_iterator(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1) : color_base_parent_t(v0,v1) {}</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  planar_pixel_iterator(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1, <span class="keyword">const</span> ChannelPtr& v2) : color_base_parent_t(v0,v1,v2) {}</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  planar_pixel_iterator(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1, <span class="keyword">const</span> ChannelPtr& v2, <span class="keyword">const</span> ChannelPtr& v3) : color_base_parent_t(v0,v1,v2,v3) {}</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  planar_pixel_iterator(<span class="keyword">const</span> ChannelPtr& v0, <span class="keyword">const</span> ChannelPtr& v1, <span class="keyword">const</span> ChannelPtr& v2, <span class="keyword">const</span> ChannelPtr& v3, <span class="keyword">const</span> ChannelPtr& v4) : color_base_parent_t(v0,v1,v2,v3,v4) {}</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> IC1,<span class="keyword">typename</span> C1></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  planar_pixel_iterator(<span class="keyword">const</span> planar_pixel_iterator<IC1,C1>& ptr) : color_base_parent_t(ptr) {}</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P></div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1planar__pixel__iterator.html#a17b05b4a8da5c31609da1e02bd7ebed1"> 97</a></span>  <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html#a17b05b4a8da5c31609da1e02bd7ebed1">planar_pixel_iterator</a>(P* pix) : color_base_parent_t(pix, true) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  function_requires<PixelsCompatibleConcept<P,value_type> >();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">struct </span>address_of { <span class="keyword">template</span> <<span class="keyword">typename</span> T> T* operator()(T& t) { <span class="keywordflow">return</span> &t; } };</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  planar_pixel_iterator& operator=(P* pix) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  function_requires<PixelsCompatibleConcept<P,value_type> >();</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  static_transform(*pix,*<span class="keyword">this</span>, address_of());</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// PERFORMANCE_CHECK: Compare to this:</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">//this->template semantic_at_c<0>()=&pix->template semantic_at_c<0>();</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">//this->template semantic_at_c<1>()=&pix->template semantic_at_c<1>();</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">//this->template semantic_at_c<2>()=&pix->template semantic_at_c<2>();</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1planar__pixel__iterator.html#a16d8e6857dd561244ca73764f2b94801"> 116</a></span>  reference <a class="code" href="structboost_1_1gil_1_1planar__pixel__iterator.html#a16d8e6857dd561244ca73764f2b94801">operator[]</a>(difference_type d)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> memunit_advanced_ref(*<span class="keyword">this</span>,d*<span class="keyword">sizeof</span>(channel_t));}</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  reference operator->()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> **<span class="keyword">this</span>; }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// PERFORMANCE_CHECK: Remove?</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">bool</span> operator< (<span class="keyword">const</span> planar_pixel_iterator& ptr)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> gil::at_c<0>(*<span class="keyword">this</span>)< gil::at_c<0>(ptr); }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> planar_pixel_iterator& ptr)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> gil::at_c<0>(*<span class="keyword">this</span>)!=gil::at_c<0>(ptr); }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">friend</span> <span class="keyword">class </span>boost::iterator_core_access;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">void</span> increment() { static_transform(*<span class="keyword">this</span>,*<span class="keyword">this</span>,detail::inc<ChannelPtr>()); }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">void</span> decrement() { static_transform(*<span class="keyword">this</span>,*<span class="keyword">this</span>,detail::dec<ChannelPtr>()); }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">void</span> advance(std::ptrdiff_t d){ static_transform(*<span class="keyword">this</span>,*<span class="keyword">this</span>,std::bind(detail::plus_asymmetric<ChannelPtr,std::ptrdiff_t>(),std::placeholders::_1,d)); }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  reference dereference()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-><span class="keyword">template</span> deref<reference>(); }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::ptrdiff_t distance_to(<span class="keyword">const</span> planar_pixel_iterator& it)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> gil::at_c<0>(it)-gil::at_c<0>(*<span class="keyword">this</span>); }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">bool</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">equal</a>(<span class="keyword">const</span> planar_pixel_iterator& it)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> gil::at_c<0>(*<span class="keyword">this</span>)==gil::at_c<0>(it); }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> };</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">struct </span>channel_iterator_is_mutable : std::true_type {};</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">struct </span>channel_iterator_is_mutable<I const*> : std::false_type {};</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">struct </span>const_iterator_type<planar_pixel_iterator<IC,C> > {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">using</span> channel_t = <span class="keyword">typename</span> std::iterator_traits<IC>::value_type;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">using</span> type = planar_pixel_iterator<typename channel_traits<channel_t>::const_pointer,C>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> };</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// The default implementation when the iterator is a C pointer is to use the standard constness semantics</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">struct </span>iterator_is_mutable<planar_pixel_iterator<IC,C> > : <span class="keyword">public</span> detail::channel_iterator_is_mutable<IC> {};</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// ColorBasedConcept</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">struct </span>kth_element_type<planar_pixel_iterator<IC, C>, K></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">using</span> type = IC;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> };</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">struct </span>kth_element_reference_type<planar_pixel_iterator<IC, C>, K></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  : std::add_lvalue_reference<IC> {};</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C, <span class="keywordtype">int</span> K></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">struct </span>kth_element_const_reference_type<planar_pixel_iterator<IC, C>, K></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  : std::add_lvalue_reference<typename std::add_const<IC>::type></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> {};</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// HomogeneousPixelBasedConcept</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"></span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">struct </span>color_space_type<planar_pixel_iterator<IC,C>></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> {</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">using</span> type = C;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> };</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">struct </span>channel_mapping_type<planar_pixel_iterator<IC, C>></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  : channel_mapping_type<typename planar_pixel_iterator<IC,C>::value_type></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> {};</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">struct </span>is_planar<planar_pixel_iterator<IC, C>> : std::true_type {};</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">struct </span>channel_type<planar_pixel_iterator<IC, C>></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">using</span> type = <span class="keyword">typename</span> std::iterator_traits<IC>::value_type;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> };</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// MemoryBasedIteratorConcept</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"></span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">inline</span> std::ptrdiff_t memunit_step(<span class="keyword">const</span> planar_pixel_iterator<IC,C>&) { <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(<span class="keyword">typename</span> std::iterator_traits<IC>::value_type); }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">inline</span> std::ptrdiff_t memunit_distance(<span class="keyword">const</span> planar_pixel_iterator<IC,C>& p1, <span class="keyword">const</span> planar_pixel_iterator<IC,C>& p2) {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> memunit_distance(gil::at_c<0>(p1),gil::at_c<0>(p2));</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">struct </span>memunit_advance_fn {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  memunit_advance_fn(std::ptrdiff_t diff) : _diff(diff) {}</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  IC operator()(<span class="keyword">const</span> IC& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> memunit_advanced(p,_diff); }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  std::ptrdiff_t _diff;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> };</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> memunit_advance(planar_pixel_iterator<IC,C>& p, std::ptrdiff_t diff) {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  static_transform(p, p, memunit_advance_fn<IC>(diff));</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">inline</span> planar_pixel_iterator<IC,C> memunit_advanced(<span class="keyword">const</span> planar_pixel_iterator<IC,C>& p, std::ptrdiff_t diff) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  planar_pixel_iterator<IC,C> ret=p;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  memunit_advance(ret, diff);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">template</span> <<span class="keyword">typename</span> ChannelPtr, <span class="keyword">typename</span> ColorSpace></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="keyword">inline</span> planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference,ColorSpace></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  memunit_advanced_ref(<span class="keyword">const</span> planar_pixel_iterator<ChannelPtr,ColorSpace>& ptr, std::ptrdiff_t diff) {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> planar_pixel_reference<typename std::iterator_traits<ChannelPtr>::reference,ColorSpace>(ptr, diff);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// HasDynamicXStepTypeConcept</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"></span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">template</span> <<span class="keyword">typename</span> IC, <span class="keyword">typename</span> C></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword">struct </span>dynamic_x_step_type<planar_pixel_iterator<IC,C> > {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">using</span> type = memory_based_step_iterator<planar_pixel_iterator<IC,C>>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> };</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> } } <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="group___s_t_l_optimizations_html_ga2902a23650ef266e80874ce5df076079"><div class="ttname"><a href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">std::equal</a></div><div class="ttdeci">BOOST_FORCEINLINE bool equal(boost::gil::iterator_from_2d< Loc1 > first, boost::gil::iterator_from_2d< Loc1 > last, boost::gil::iterator_from_2d< Loc2 > first2)</div><div class="ttdoc">std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d</div><div class="ttdef"><b>Definition:</b> algorithm.hpp:1029</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1planar__pixel__iterator_html_a17b05b4a8da5c31609da1e02bd7ebed1"><div class="ttname"><a href="structboost_1_1gil_1_1planar__pixel__iterator.html#a17b05b4a8da5c31609da1e02bd7ebed1">boost::gil::planar_pixel_iterator::planar_pixel_iterator</a></div><div class="ttdeci">planar_pixel_iterator(P *pix)</div><div class="ttdef"><b>Definition:</b> planar_pixel_iterator.hpp:97</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1planar__pixel__iterator_html_a16d8e6857dd561244ca73764f2b94801"><div class="ttname"><a href="structboost_1_1gil_1_1planar__pixel__iterator.html#a16d8e6857dd561244ca73764f2b94801">boost::gil::planar_pixel_iterator::operator[]</a></div><div class="ttdeci">reference operator[](difference_type d) const</div><div class="ttdef"><b>Definition:</b> planar_pixel_iterator.hpp:116</div></div>
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