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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#ifndef BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_ANY_IMAGE_VIEW_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#define BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_ANY_IMAGE_VIEW_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;boost/gil/dynamic_step.hpp&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;boost/gil/image.hpp&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;boost/gil/image_view.hpp&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &lt;boost/gil/point.hpp&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;boost/gil/detail/mp11.hpp&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;boost/variant2/variant.hpp&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceboost.html">boost</a> { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">struct </span>dynamic_xy_step_transposed_type;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">struct </span>get_const_t { <span class="keyword">using</span> type = <span class="keyword">typename</span> View::const_t; };</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Views&gt;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">struct </span>views_get_const_t : mp11::mp_transform&lt;get_const_t, Views&gt; {};</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// works for both image_view and image</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">struct </span>any_type_get_num_channels</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;{</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">using</span> result_type = int;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; result_type operator()(<span class="keyword">const</span> T&amp;)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_channels&lt;T&gt;::value; }</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;};</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// works for both image_view and image</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">struct </span>any_type_get_dimensions</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;{</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">using</span> result_type = point&lt;std::ptrdiff_t&gt;;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; result_type operator()(<span class="keyword">const</span> T&amp; v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> v.dimensions(); }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;};</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment">// works for image_view</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keyword">struct </span>any_type_get_size</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;{</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">using</span> result_type = std::size_t;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; result_type operator()(<span class="keyword">const</span> T&amp; v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> v.size(); }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;};</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;} <span class="comment">// namespace detail</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...Views&gt;</div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1any__image__view.html"> 74</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a> : <span class="keyword">public</span> variant2::variant&lt;Views...&gt;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;{</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">using</span> parent_t = variant2::variant&lt;Views...&gt;;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="keyword">public</span>: </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">using</span> const_t = detail::views_get_const_t&lt;any_image_view&gt;;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">using</span> x_coord_t = std::ptrdiff_t;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">using</span> y_coord_t = std::ptrdiff_t;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">using</span> <a class="code" href="classboost_1_1gil_1_1point.html">point_t</a> = <a class="code" href="classboost_1_1gil_1_1point.html">point&lt;std::ptrdiff_t&gt;</a>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">using</span> size_type = std::size_t;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>(<a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a> <span class="keyword">const</span>&amp; <a class="code" href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38">view</a>) : parent_t((parent_t <span class="keyword">const</span>&amp;)view) {}</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">explicit</span> <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>(View <span class="keyword">const</span>&amp; view) : parent_t(view) {}</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...OtherViews&gt;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>(<a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view&lt;OtherViews...&gt;</a> <span class="keyword">const</span>&amp; view)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; : parent_t((variant2::variant&lt;OtherViews...&gt; <span class="keyword">const</span>&amp;)view)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; {}</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>&amp; operator=(<a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a> <span class="keyword">const</span>&amp; view)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; parent_t::operator=((parent_t <span class="keyword">const</span>&amp;)view);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>&amp; operator=(View <span class="keyword">const</span>&amp; view)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; parent_t::operator=(view);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...OtherViews&gt;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view</a>&amp; operator=(<a class="code" href="classboost_1_1gil_1_1any__image__view.html">any_image_view&lt;OtherViews...&gt;</a> <span class="keyword">const</span>&amp; view)</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; parent_t::operator=((variant2::variant&lt;OtherViews...&gt; <span class="keyword">const</span>&amp;)view);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; std::size_t <a class="code" href="structboost_1_1gil_1_1num__channels.html">num_channels</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___variant.html#gaff5fb0c5e88a687e06ab52a955264059">apply_operation</a>(*<span class="keyword">this</span>, detail::any_type_get_num_channels()); }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="classboost_1_1gil_1_1point.html">point_t</a> dimensions()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___variant.html#gaff5fb0c5e88a687e06ab52a955264059">apply_operation</a>(*<span class="keyword">this</span>, detail::any_type_get_dimensions()); }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; size_type <a class="code" href="structboost_1_1gil_1_1size.html">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="group___variant.html#gaff5fb0c5e88a687e06ab52a955264059">apply_operation</a>(*<span class="keyword">this</span>, detail::any_type_get_size()); }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; x_coord_t width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> dimensions().x; }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; y_coord_t height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> dimensions().y; }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;};</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="comment">// HasDynamicXStepTypeConcept</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...Views&gt;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1dynamic__x__step__type.html">dynamic_x_step_type</a>&lt;any_image_view&lt;Views...&gt;&gt;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;{</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="comment">// FIXME: Remove class name injection with gil:: qualification</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment">// Required as workaround for Boost.MP11 issue that treats unqualified metafunction</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="comment">// in the class definition of the same name as the specialization (Peter Dimov):</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="comment">// invalid template argument for template parameter &#39;F&#39;, expected a class template</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keyword">using</span> dynamic_step_view = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1dynamic__x__step__type.html">gil::dynamic_x_step_type&lt;T&gt;::type</a>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keyword">using</span> type = mp11::mp_transform&lt;dynamic_step_view, any_image_view&lt;Views...&gt;&gt;;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;};</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="comment">// HasDynamicYStepTypeConcept</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...Views&gt;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1dynamic__y__step__type.html">dynamic_y_step_type</a>&lt;any_image_view&lt;Views...&gt;&gt;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;{</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="comment">// FIXME: Remove class name injection with gil:: qualification</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">// Required as workaround for Boost.MP11 issue that treats unqualified metafunction</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="comment">// in the class definition of the same name as the specialization (Peter Dimov):</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="comment">// invalid template argument for template parameter &#39;F&#39;, expected a class template</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keyword">using</span> dynamic_step_view = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1dynamic__y__step__type.html">gil::dynamic_y_step_type&lt;T&gt;::type</a>;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keyword">using</span> type = mp11::mp_transform&lt;dynamic_step_view, any_image_view&lt;Views...&gt;&gt;;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;};</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...Views&gt;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1dynamic__xy__step__type.html">dynamic_xy_step_type</a>&lt;any_image_view&lt;Views...&gt;&gt;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;{</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// FIXME: Remove class name injection with gil:: qualification</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">// Required as workaround for Boost.MP11 issue that treats unqualified metafunction</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="comment">// in the class definition of the same name as the specialization (Peter Dimov):</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="comment">// invalid template argument for template parameter &#39;F&#39;, expected a class template</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">using</span> dynamic_step_view = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1dynamic__xy__step__type.html">gil::dynamic_xy_step_type&lt;T&gt;::type</a>;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keyword">using</span> type = mp11::mp_transform&lt;dynamic_step_view, any_image_view&lt;Views...&gt;&gt;;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;};</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> ...Views&gt;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1dynamic__xy__step__transposed__type.html">dynamic_xy_step_transposed_type</a>&lt;any_image_view&lt;Views...&gt;&gt;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;{</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="comment">// FIXME: Remove class name injection with gil:: qualification</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// Required as workaround for Boost.MP11 issue that treats unqualified metafunction</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="comment">// in the class definition of the same name as the specialization (Peter Dimov):</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="comment">// invalid template argument for template parameter &#39;F&#39;, expected a class template</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keyword">using</span> dynamic_step_view = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1dynamic__xy__step__type.html">gil::dynamic_xy_step_type&lt;T&gt;::type</a>;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keyword">using</span> type = mp11::mp_transform&lt;dynamic_step_view, any_image_view&lt;Views...&gt;&gt;;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;};</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;}} <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1dynamic__xy__step__transposed__type_html"><div class="ttname"><a href="structboost_1_1gil_1_1dynamic__xy__step__transposed__type.html">boost::gil::dynamic_xy_step_transposed_type</a></div><div class="ttdoc">Returns the type of a transposed view that has a dynamic step along both X and Y. ...</div><div class="ttdef"><b>Definition:</b> image_view_factory.hpp:51</div></div>
<div class="ttc" id="group___variant_html_gaff5fb0c5e88a687e06ab52a955264059"><div class="ttname"><a href="group___variant.html#gaff5fb0c5e88a687e06ab52a955264059">boost::gil::apply_operation</a></div><div class="ttdeci">BOOST_FORCEINLINE auto apply_operation(Variant1 &amp;&amp;arg1, Visitor &amp;&amp;op)</div><div class="ttdoc">Applies the visitor op to the variants. </div><div class="ttdef"><b>Definition:</b> apply_operation.hpp:19</div></div>
<div class="ttc" id="namespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdef"><b>Definition:</b> algorithm.hpp:30</div></div>
<div class="ttc" id="structboost_1_1gil_1_1dynamic__xy__step__type_html"><div class="ttname"><a href="structboost_1_1gil_1_1dynamic__xy__step__type.html">boost::gil::dynamic_xy_step_type</a></div><div class="ttdoc">Returns the type of a view that has a dynamic step along both X and Y. </div><div class="ttdef"><b>Definition:</b> dynamic_step.hpp:27</div></div>
<div class="ttc" id="structboost_1_1gil_1_1dynamic__y__step__type_html"><div class="ttname"><a href="structboost_1_1gil_1_1dynamic__y__step__type.html">boost::gil::dynamic_y_step_type</a></div><div class="ttdoc">Base template for types that model HasDynamicYStepTypeConcept. </div><div class="ttdef"><b>Definition:</b> dynamic_step.hpp:21</div></div>
<div class="ttc" id="classboost_1_1gil_1_1any__image__view_html"><div class="ttname"><a href="classboost_1_1gil_1_1any__image__view.html">boost::gil::any_image_view</a></div><div class="ttdoc">Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCon...</div><div class="ttdef"><b>Definition:</b> any_image_view.hpp:74</div></div>
<div class="ttc" id="group___image_model_html_ga633557dbbff2d21c784b73412b47bb38"><div class="ttname"><a href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38">boost::gil::view</a></div><div class="ttdeci">const image&lt; Pixel, IsPlanar, Alloc &gt;::view_t &amp; view(image&lt; Pixel, IsPlanar, Alloc &gt; &amp;img)</div><div class="ttdoc">Returns the non-constant-pixel view of an image. </div><div class="ttdef"><b>Definition:</b> image.hpp:538</div></div>
<div class="ttc" id="structboost_1_1gil_1_1size_html"><div class="ttname"><a href="structboost_1_1gil_1_1size.html">boost::gil::size</a></div><div class="ttdoc">Returns an integral constant type specifying the number of elements in a color base. </div><div class="ttdef"><b>Definition:</b> color_base_algorithm.hpp:42</div></div>
<div class="ttc" id="structboost_1_1gil_1_1num__channels_html"><div class="ttname"><a href="structboost_1_1gil_1_1num__channels.html">boost::gil::num_channels</a></div><div class="ttdoc">Returns the number of channels of a pixel-based GIL construct. </div><div class="ttdef"><b>Definition:</b> locator.hpp:38</div></div>
<div class="ttc" id="classboost_1_1gil_1_1point_html"><div class="ttname"><a href="classboost_1_1gil_1_1point.html">boost::gil::point&lt; std::ptrdiff_t &gt;</a></div></div>
<div class="ttc" id="structboost_1_1gil_1_1dynamic__x__step__type_html"><div class="ttname"><a href="structboost_1_1gil_1_1dynamic__x__step__type.html">boost::gil::dynamic_x_step_type</a></div><div class="ttdoc">Base template for types that model HasDynamicXStepTypeConcept. </div><div class="ttdef"><b>Definition:</b> dynamic_step.hpp:17</div></div>
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