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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_IMAGE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_IMAGE_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/algorithm.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/image_view.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/gil/metafunctions.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/detail/mp11.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <boost/assert.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar = false, <span class="keyword">typename</span> Alloc=std::allocator<<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>> ></div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1image.html"> 40</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1image.html">image</a> {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#if defined(BOOST_NO_CXX11_ALLOCATOR)</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">using</span> allocator_type = <span class="keyword">typename</span> Alloc::template rebind<unsigned char>::other;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">using</span> allocator_type = <span class="keyword">typename</span> std::allocator_traits<Alloc>::template rebind_alloc<unsigned char>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">using</span> view_t = <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1view__type__from__pixel.html">view_type_from_pixel<Pixel, IsPlanar>::type</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">using</span> const_view_t = <span class="keyword">typename</span> view_t::const_t;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">using</span> point_t = <span class="keyword">typename</span> view_t::point_t;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">using</span> coord_t = <span class="keyword">typename</span> view_t::coord_t;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">using</span> value_type = <span class="keyword">typename</span> view_t::value_type;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">using</span> x_coord_t = coord_t;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">using</span> y_coord_t = coord_t;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> point_t& dimensions()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _view.dimensions(); }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  x_coord_t width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _view.width(); }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  y_coord_t height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _view.height(); }</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">explicit</span> <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(std::size_t alignment=0,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> Alloc alloc_in = Alloc()) :</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  _memory(<span class="keyword">nullptr</span>), _align_in_bytes(alignment), _alloc(alloc_in), _allocated_bytes( 0 ) {}</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Create with dimensions and optional initial value and alignment</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(<span class="keyword">const</span> point_t& dimensions,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::size_t alignment=0,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">const</span> Alloc alloc_in = Alloc()) : _memory(<span class="keyword">nullptr</span>), _align_in_bytes(alignment), _alloc(alloc_in)</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  , _allocated_bytes( 0 ) {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  allocate_and_default_construct(dimensions);</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> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(x_coord_t width, y_coord_t height,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::size_t alignment=0,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> Alloc alloc_in = Alloc()) : _memory(<span class="keyword">nullptr</span>), _align_in_bytes(alignment), _alloc(alloc_in)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  , _allocated_bytes( 0 ) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  allocate_and_default_construct(point_t(width,height));</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> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(<span class="keyword">const</span> point_t& dimensions,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> Pixel& p_in,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  std::size_t alignment,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> Alloc alloc_in = Alloc()) : _memory(<span class="keyword">nullptr</span>), _align_in_bytes(alignment), _alloc(alloc_in)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  , _allocated_bytes( 0 ) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  allocate_and_fill(dimensions, p_in);</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>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(x_coord_t width, y_coord_t height,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> Pixel& p_in,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  std::size_t alignment = 0,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> Alloc alloc_in = Alloc()) : _memory(<span class="keyword">nullptr</span>), _align_in_bytes(alignment), _alloc(alloc_in)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  , _allocated_bytes ( 0 ) {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  allocate_and_fill(point_t(width,height),p_in);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1image.html">image</a>& img) : _memory(<span class="keyword">nullptr</span>), _align_in_bytes(img._align_in_bytes), _alloc(img._alloc)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  , _allocated_bytes( img._allocated_bytes ) {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  allocate_and_copy(img.dimensions(),img._view);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> P2, <span class="keywordtype">bool</span> IP2, <span class="keyword">typename</span> Alloc2></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1image.html">image<P2,IP2,Alloc2></a>& img) : _memory(<span class="keyword">nullptr</span>), _align_in_bytes(img._align_in_bytes), _alloc(img._alloc)</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  , _allocated_bytes( img._allocated_bytes ) {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  allocate_and_copy(img.dimensions(),img._view);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>& operator=(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1image.html">image</a>& img) {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (dimensions() == img.dimensions())</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4">copy_pixels</a>(img._view,_view);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a> tmp(img);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  swap(tmp);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</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="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Img></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a>& operator=(<span class="keyword">const</span> Img& img) {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (dimensions() == img.dimensions())</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="group___image_view_s_t_l_algorithms_copy_pixels.html#ga15f144a6ff49ab684f8cbf58d9b7ced4">copy_pixels</a>(img._view,_view);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a> tmp(img);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  swap(tmp);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ~<a class="code" href="classboost_1_1gil_1_1image.html">image</a>() {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#gabe55e578f778abc75b65d0f8d389f68f">destruct_pixels</a>(_view);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  deallocate();</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  Alloc& allocator() { <span class="keywordflow">return</span> _alloc; }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  Alloc <span class="keyword">const</span>& allocator()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _alloc; }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">void</span> swap(<a class="code" href="classboost_1_1gil_1_1image.html">image</a>& img) { <span class="comment">// required by MutableContainerConcept</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">using</span> <a class="code" href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">std::swap</a>;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  swap(_align_in_bytes, img._align_in_bytes);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  swap(_memory, img._memory);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  swap(_view, img._view);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  swap(_alloc, img._alloc);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  swap(_allocated_bytes, img._allocated_bytes );</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// recreate</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"></span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// without Allocator</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">void</span> recreate(<span class="keyword">const</span> point_t& dims, std::size_t alignment = 0)</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (dims == _view.dimensions() && _align_in_bytes == alignment)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</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>  _align_in_bytes = alignment;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (_allocated_bytes >= total_allocated_size_in_bytes(dims))</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#gabe55e578f778abc75b65d0f8d389f68f">destruct_pixels</a>(_view);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  create_view(dims, std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga077f18830c7d6f41e82ed2b9d1074ff4">default_construct_pixels</a>(_view);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a> tmp(dims, alignment);</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  swap(tmp);</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> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">void</span> recreate(x_coord_t width, y_coord_t height, std::size_t alignment = 0)</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  recreate(point_t(width, height), alignment);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">void</span> recreate(<span class="keyword">const</span> point_t& dims, <span class="keyword">const</span> Pixel& p_in, std::size_t alignment = 0)</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>  <span class="keywordflow">if</span> (dims == _view.dimensions() && _align_in_bytes == alignment)</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  _align_in_bytes = alignment;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (_allocated_bytes >= total_allocated_size_in_bytes(dims))</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#gabe55e578f778abc75b65d0f8d389f68f">destruct_pixels</a>(_view);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  create_view(dims, <span class="keyword">typename</span> std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#ga990465f0f6e685be34672889a5b35cc8">uninitialized_fill_pixels</a>(_view, p_in);</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="keywordflow">else</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a> tmp(dims, p_in, alignment);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  swap(tmp);</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>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">void</span> recreate( x_coord_t width, y_coord_t height, <span class="keyword">const</span> Pixel& p_in, std::size_t alignment = 0 )</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  recreate( point_t( width, height ), p_in, alignment );</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> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// with Allocator</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">void</span> recreate(<span class="keyword">const</span> point_t& dims, std::size_t alignment, <span class="keyword">const</span> Alloc alloc_in)</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (dims == _view.dimensions() && _align_in_bytes == alignment && alloc_in == _alloc)</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  _align_in_bytes = alignment;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (_allocated_bytes >= total_allocated_size_in_bytes(dims))</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#gabe55e578f778abc75b65d0f8d389f68f">destruct_pixels</a>(_view);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  create_view(dims, std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga077f18830c7d6f41e82ed2b9d1074ff4">default_construct_pixels</a>(_view);</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="keywordflow">else</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a> tmp(dims, alignment, alloc_in);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  swap(tmp);</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>  }</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>  <span class="keywordtype">void</span> recreate(x_coord_t width, y_coord_t height, std::size_t alignment, <span class="keyword">const</span> Alloc alloc_in)</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  recreate(point_t(width, height), alignment, alloc_in);</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</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>  <span class="keywordtype">void</span> recreate(<span class="keyword">const</span> point_t& dims, <span class="keyword">const</span> Pixel& p_in, std::size_t alignment, <span class="keyword">const</span> Alloc alloc_in)</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (dims == _view.dimensions() && _align_in_bytes == alignment && alloc_in == _alloc)</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  _align_in_bytes = alignment;</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>  <span class="keywordflow">if</span> (_allocated_bytes >= total_allocated_size_in_bytes(dims))</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="group___image_view_s_t_l_algorithms_destruct_pixels.html#gabe55e578f778abc75b65d0f8d389f68f">destruct_pixels</a>(_view);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  create_view(dims, std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#ga990465f0f6e685be34672889a5b35cc8">uninitialized_fill_pixels</a>(_view, p_in);</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>  <span class="keywordflow">else</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  {</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="classboost_1_1gil_1_1image.html">image</a> tmp(dims, p_in, alignment, alloc_in);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  swap(tmp);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">void</span> recreate(x_coord_t width, y_coord_t height, <span class="keyword">const</span> Pixel& p_in, std::size_t alignment, <span class="keyword">const</span> Alloc alloc_in )</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>  recreate(point_t(width, height), p_in, alignment, alloc_in);</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> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  view_t _view; <span class="comment">// contains pointer to the pixels, the image size and ways to navigate pixels</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* _memory;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  std::size_t _align_in_bytes;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  allocator_type _alloc;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  std::size_t _allocated_bytes;</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">void</span> allocate_and_default_construct(point_t <span class="keyword">const</span>& dimensions)</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">try</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  allocate_(dimensions, std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga077f18830c7d6f41e82ed2b9d1074ff4">default_construct_pixels</a>(_view);</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">catch</span> (...) { deallocate(); <span class="keywordflow">throw</span>; }</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordtype">void</span> allocate_and_fill(<span class="keyword">const</span> point_t& dimensions, Pixel <span class="keyword">const</span>& p_in)</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  {</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">try</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  {</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  allocate_(dimensions, std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#ga990465f0f6e685be34672889a5b35cc8">uninitialized_fill_pixels</a>(_view, p_in);</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">catch</span>(...) { deallocate(); <span class="keywordflow">throw</span>; }</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> View></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">void</span> allocate_and_copy(<span class="keyword">const</span> point_t& dimensions, View <span class="keyword">const</span>& v)</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">try</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  {</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  allocate_(dimensions, std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <a class="code" href="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels.html#gafa58ba440df784fd396006f9a5c003d5">uninitialized_copy_pixels</a>(v, _view);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">catch</span>(...) { deallocate(); <span class="keywordflow">throw</span>; }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">void</span> deallocate()</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  {</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> (_memory && _allocated_bytes > 0)</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  _alloc.deallocate(_memory, _allocated_bytes);</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  std::size_t is_planar_impl(</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  std::size_t <span class="keyword">const</span> size_in_units,</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  std::size_t <span class="keyword">const</span> channels_in_image,</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  std::true_type)<span class="keyword"> const</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">return</span> size_in_units * channels_in_image;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  std::size_t is_planar_impl(</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  std::size_t <span class="keyword">const</span> size_in_units,</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  std::size_t <span class="keyword">const</span>,</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  std::false_type)<span class="keyword"> const</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> size_in_units;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  std::size_t total_allocated_size_in_bytes(point_t <span class="keyword">const</span>& dimensions)<span class="keyword"> const</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">using</span> x_iterator = <span class="keyword">typename</span> view_t::x_iterator;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// when value_type is a non-pixel, like int or float, num_channels< ... > doesn't work.</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  constexpr std::size_t _channels_in_image =</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  std::conditional</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  is_pixel<value_type>::value,</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="structboost_1_1gil_1_1num__channels.html">num_channels<view_t></a>,</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  std::integral_constant<std::size_t, 1></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  >::type::value;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  std::size_t size_in_units = is_planar_impl(</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  get_row_size_in_memunits(dimensions.x) * dimensions.y,</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  _channels_in_image,</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  std::integral_constant<bool, IsPlanar>());</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// return the size rounded up to the nearest byte</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> ( size_in_units + <a class="code" href="structboost_1_1gil_1_1byte__to__memunit.html">byte_to_memunit< x_iterator >::value</a> - 1 )</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  / <a class="code" href="structboost_1_1gil_1_1byte__to__memunit.html">byte_to_memunit<x_iterator>::value</a></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  + ( _align_in_bytes > 0 ? _align_in_bytes - 1 : 0 ); <span class="comment">// add extra padding in case we need to align the first image pixel</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  std::size_t get_row_size_in_memunits(x_coord_t width)<span class="keyword"> const </span>{ <span class="comment">// number of units per row</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  std::size_t size_in_memunits = width*memunit_step(<span class="keyword">typename</span> view_t::x_iterator());</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (_align_in_bytes>0) {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  std::size_t alignment_in_memunits=_align_in_bytes*<a class="code" href="structboost_1_1gil_1_1byte__to__memunit.html">byte_to_memunit<typename view_t::x_iterator>::value</a>;</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> align(size_in_memunits, alignment_in_memunits);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> size_in_memunits;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordtype">void</span> allocate_(point_t <span class="keyword">const</span>& dimensions, std::false_type)</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  {</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="comment">// if it throws and _memory!=0 the client must deallocate _memory</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  _allocated_bytes = total_allocated_size_in_bytes(dimensions);</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  _memory=_alloc.allocate( _allocated_bytes );</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* tmp=(_align_in_bytes>0) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)align((std::size_t)_memory,_align_in_bytes) : _memory;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  _view=view_t(dimensions,<span class="keyword">typename</span> view_t::locator(<span class="keyword">typename</span> view_t::x_iterator(tmp), get_row_size_in_memunits(dimensions.x)));</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  BOOST_ASSERT(_view.width() == dimensions.x);</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  BOOST_ASSERT(_view.height() == dimensions.y);</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordtype">void</span> allocate_(point_t <span class="keyword">const</span>& dimensions, std::true_type)</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  {</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// if it throws and _memory!=0 the client must deallocate _memory</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  std::size_t row_size=get_row_size_in_memunits(dimensions.x);</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  std::size_t plane_size=row_size*dimensions.y;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  _allocated_bytes = total_allocated_size_in_bytes( dimensions );</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  _memory = _alloc.allocate( _allocated_bytes );</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* tmp=(_align_in_bytes>0) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)align((std::size_t)_memory,_align_in_bytes) : _memory;</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keyword">typename</span> view_t::x_iterator first;</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<num_channels<view_t>::value; ++i) {</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  dynamic_at_c(first,i) = (<span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<view_t>::type</a>*)tmp;</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  memunit_advance(dynamic_at_c(first,i), plane_size*i);</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  _view=view_t(dimensions, <span class="keyword">typename</span> view_t::locator(first, row_size));</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  BOOST_ASSERT(_view.width() == dimensions.x);</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  BOOST_ASSERT(_view.height() == dimensions.y);</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">void</span> create_view(point_t <span class="keyword">const</span>& dims, std::true_type) <span class="comment">// is planar</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  {</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  std::size_t row_size=get_row_size_in_memunits(dims.x);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  std::size_t plane_size=row_size*dims.y;</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* tmp = ( _align_in_bytes > 0 ) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*) align( (std::size_t) _memory</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  ,_align_in_bytes</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  )</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  : _memory;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">typename</span> view_t::x_iterator first;</div><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="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_channels< view_t >::value; ++i )</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  {</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  dynamic_at_c( first, i ) = (<span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1channel__type.html">channel_type<view_t>::type</a>*) tmp;</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  memunit_advance( dynamic_at_c(first,i)</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  , plane_size*i</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  );</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  _view = view_t(dims, <span class="keyword">typename</span> view_t::locator(first, row_size));</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  BOOST_ASSERT(_view.width() == dims.x);</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  BOOST_ASSERT(_view.height() == dims.y);</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><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">void</span> create_view(point_t <span class="keyword">const</span>& dims, std::false_type) <span class="comment">// is planar</span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  {</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* tmp = ( _align_in_bytes > 0 ) ? ( <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* ) align( (std::size_t) _memory</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  , _align_in_bytes</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  )</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  : _memory;</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  _view = view_t( dims</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  , <span class="keyword">typename</span> view_t::locator( <span class="keyword">typename</span> view_t::x_iterator( tmp )</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  , get_row_size_in_memunits( dims.x )</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  )</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  );</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  BOOST_ASSERT(_view.width() == dims.x);</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  BOOST_ASSERT(_view.height() == dims.y);</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> };</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> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="keywordtype">void</span> <a class="code" href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">swap</a>(<a class="code" href="classboost_1_1gil_1_1image.html">image<Pixel, IsPlanar, Alloc></a>& im1,<a class="code" href="classboost_1_1gil_1_1image.html">image<Pixel, IsPlanar, Alloc></a>& im2) {</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  im1.swap(im2);</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> }</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> </div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel1, <span class="keywordtype">bool</span> IsPlanar1, <span class="keyword">typename</span> Alloc1, <span class="keyword">typename</span> Pixel2, <span class="keywordtype">bool</span> IsPlanar2, <span class="keyword">typename</span> Alloc2></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> image<Pixel1,IsPlanar1,Alloc1>& im1,<span class="keyword">const</span> image<Pixel2,IsPlanar2,Alloc2>& im2) {</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> ((<span class="keywordtype">void</span>*)(&im1)==(<span class="keywordtype">void</span>*)(&im2)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">if</span> (<a class="code" href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950">const_view</a>(im1).dimensions()!=<a class="code" href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950">const_view</a>(im2).dimensions()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> <a class="code" href="group___image_view_s_t_l_algorithms_equal_pixels.html#gaf92f26110623cac64ee3c1165b9781be">equal_pixels</a>(<a class="code" href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950">const_view</a>(im1),<a class="code" href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950">const_view</a>(im2));</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> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel1, <span class="keywordtype">bool</span> IsPlanar1, <span class="keyword">typename</span> Alloc1, <span class="keyword">typename</span> Pixel2, <span class="keywordtype">bool</span> IsPlanar2, <span class="keyword">typename</span> Alloc2></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> image<Pixel1,IsPlanar1,Alloc1>& im1,<span class="keyword">const</span> image<Pixel2,IsPlanar2,Alloc2>& im2) {<span class="keywordflow">return</span> !(im1==im2);}</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc> <span class="keyword">inline</span></div><div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38"> 443</a></span> <span class="keyword">const</span> <span class="keyword">typename</span> image<Pixel,IsPlanar,Alloc>::view_t& <a class="code" href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38">view</a>(<a class="code" href="classboost_1_1gil_1_1image.html">image<Pixel,IsPlanar,Alloc></a>& img) { <span class="keywordflow">return</span> img._view; }</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc> <span class="keyword">inline</span></div><div class="line"><a name="l00447"></a><span class="lineno"><a class="line" href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950"> 447</a></span> <span class="keyword">const</span> <span class="keyword">typename</span> image<Pixel,IsPlanar,Alloc>::const_view_t <a class="code" href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950">const_view</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1image.html">image<Pixel,IsPlanar,Alloc></a>& img) {</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keyword">const </span>typename image<Pixel,IsPlanar,Alloc>::const_view_t<span class="keyword">></span>(img._view);</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> }</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment">// PixelBasedConcept</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"></span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc></div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="keyword">struct </span>channel_type<image<Pixel, IsPlanar, Alloc>> : channel_type<Pixel> {};</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="keyword">struct </span>color_space_type<image<Pixel, IsPlanar, Alloc>> : color_space_type<Pixel> {};</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> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="keyword">struct </span>channel_mapping_type<image<Pixel, IsPlanar, Alloc>> : channel_mapping_type<Pixel> {};</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keyword">struct </span>is_planar<image<Pixel, IsPlanar, Alloc>> : std::integral_constant<bool, IsPlanar> {};</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span> }} <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1byte__to__memunit_html"><div class="ttname"><a href="structboost_1_1gil_1_1byte__to__memunit.html">boost::gil::byte_to_memunit</a></div><div class="ttdef"><b>Definition:</b> pixel_iterator.hpp:124</div></div>
- <div class="ttc" id="group___image_view_s_t_l_algorithms_default_construct_pixels_html_ga077f18830c7d6f41e82ed2b9d1074ff4"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_default_construct_pixels.html#ga077f18830c7d6f41e82ed2b9d1074ff4">boost::gil::default_construct_pixels</a></div><div class="ttdeci">void default_construct_pixels(View const &view)</div><div class="ttdoc">Invokes the in-place default constructor on every pixel of the (uninitialized) view....</div><div class="ttdef"><b>Definition:</b> algorithm.hpp:714</div></div>
- <div class="ttc" id="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels_html_gafa58ba440df784fd396006f9a5c003d5"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_uninitialized_copy_pixels.html#gafa58ba440df784fd396006f9a5c003d5">boost::gil::uninitialized_copy_pixels</a></div><div class="ttdeci">void uninitialized_copy_pixels(View1 const &view1, View2 const &view2)</div><div class="ttdoc">std::uninitialized_copy for image views. Does not support planar heterogeneous views....</div><div class="ttdef"><b>Definition:</b> algorithm.hpp:778</div></div>
- <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:1051</div></div>
- <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:282</div></div>
- <div class="ttc" id="classboost_1_1gil_1_1image_html"><div class="ttname"><a href="classboost_1_1gil_1_1image.html">boost::gil::image</a></div><div class="ttdoc">container interface over image view. Models ImageConcept, PixelBasedConcept</div><div class="ttdef"><b>Definition:</b> image.hpp:40</div></div>
- <div class="ttc" id="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels_html_ga990465f0f6e685be34672889a5b35cc8"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_uninitialized_fill_pixels.html#ga990465f0f6e685be34672889a5b35cc8">boost::gil::uninitialized_fill_pixels</a></div><div class="ttdeci">void uninitialized_fill_pixels(const View &view, const Value &val)</div><div class="ttdoc">std::uninitialized_fill for image views. Does not support planar heterogeneous views....</div><div class="ttdef"><b>Definition:</b> algorithm.hpp:577</div></div>
- <div class="ttc" id="group___packed_channel_reference_model_html_ga70de3c85964650c16afcc42c02bd5df9"><div class="ttname"><a href="group___packed_channel_reference_model.html#ga70de3c85964650c16afcc42c02bd5df9">std::swap</a></div><div class="ttdeci">void swap(boost::gil::packed_channel_reference< BF, FB, NB, M > const x, R &y)</div><div class="ttdoc">swap for packed_channel_reference</div><div class="ttdef"><b>Definition:</b> channel.hpp:529</div></div>
- <div class="ttc" id="structboost_1_1gil_1_1channel__type_html"><div class="ttname"><a href="structboost_1_1gil_1_1channel__type.html">boost::gil::channel_type</a></div><div class="ttdef"><b>Definition:</b> color_convert.hpp:31</div></div>
- <div class="ttc" id="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< Pixel, IsPlanar, Alloc >::view_t & view(image< Pixel, IsPlanar, Alloc > &img)</div><div class="ttdoc">Returns the non-constant-pixel view of an image.</div><div class="ttdef"><b>Definition:</b> image.hpp:443</div></div>
- <div class="ttc" id="group___image_model_html_ga0505866ffb317dcd320e74be9874f950"><div class="ttname"><a href="group___image_model.html#ga0505866ffb317dcd320e74be9874f950">boost::gil::const_view</a></div><div class="ttdeci">const image< Pixel, IsPlanar, Alloc >::const_view_t const_view(const image< Pixel, IsPlanar, Alloc > &img)</div><div class="ttdoc">Returns the constant-pixel view of an image.</div><div class="ttdef"><b>Definition:</b> image.hpp:447</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="structboost_1_1gil_1_1view__type__from__pixel_html"><div class="ttname"><a href="structboost_1_1gil_1_1view__type__from__pixel.html">boost::gil::view_type_from_pixel</a></div><div class="ttdoc">Returns the type of a view the pixel type, whether it operates on planar data and whether it has a st...</div><div class="ttdef"><b>Definition:</b> metafunctions.hpp:556</div></div>
- <div class="ttc" id="group___image_view_s_t_l_algorithms_destruct_pixels_html_gabe55e578f778abc75b65d0f8d389f68f"><div class="ttname"><a href="group___image_view_s_t_l_algorithms_destruct_pixels.html#gabe55e578f778abc75b65d0f8d389f68f">boost::gil::destruct_pixels</a></div><div class="ttdeci">BOOST_FORCEINLINE void destruct_pixels(View const &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:508</div></div>
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