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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Copyright 2012 Christian Henning</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">//</span></div>
<div class="line"><a id="l00004" 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 id="l00005" 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 id="l00006" 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 id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#ifndef BOOST_GIL_IO_MAKE_READER_HPP</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#define BOOST_GIL_IO_MAKE_READER_HPP</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;boost/gil/detail/mp11.hpp&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;boost/gil/io/get_reader.hpp&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceboost.html">boost</a> { <span class="keyword">namespace </span>gil {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> String, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">auto</span> make_reader(</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> String <span class="keyword">const</span>&amp;file_name,</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> image_read_settings&lt;FormatTag&gt; <span class="keyword">const</span>&amp; settings,</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> ConversionPolicy <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">typename</span> std::enable_if</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> &lt;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> mp11::mp_and</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> &lt;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> detail::is_supported_path_spec&lt;String&gt;,</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> is_format_tag&lt;FormatTag&gt;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> &gt;::value</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> &gt;::type* <span class="comment">/*dummy*/</span> = <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> -&gt; <span class="keyword">typename</span> get_reader&lt;String, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>{</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">typename</span> get_read_device&lt;String, FormatTag&gt;::type device(</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> detail::convert_to_native_string(file_name),</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">typename</span> detail::file_stream_device&lt;FormatTag&gt;::read_tag());</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">return</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">typename</span> get_reader&lt;String, FormatTag, ConversionPolicy&gt;::type(device, settings);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>}</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword">auto</span> make_reader(std::wstring <span class="keyword">const</span> &amp;file_name, image_read_settings&lt;FormatTag&gt; <span class="keyword">const</span>&amp; settings, ConversionPolicy <span class="keyword">const</span>&amp;)</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> -&gt; <span class="keyword">typename</span> get_reader&lt;std::wstring, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>{</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* str = detail::convert_to_native_string( file_name );</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">typename</span> get_read_device&lt; std::wstring</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> , FormatTag</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> &gt;::type device( str</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> , <span class="keyword">typename</span> detail::file_stream_device&lt; FormatTag &gt;::read_tag()</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> );</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">delete</span>[] str; <span class="comment">// TODO: RAII</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">return</span> <span class="keyword">typename</span> get_reader&lt; std::wstring</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> , FormatTag</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> , ConversionPolicy</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> &gt;::type( device</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> , settings</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> );</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>}</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="keyword">auto</span> make_reader(detail::filesystem::path <span class="keyword">const</span>&amp; path, image_read_settings&lt;FormatTag&gt; <span class="keyword">const</span>&amp; settings, ConversionPolicy <span class="keyword">const</span>&amp; cc)</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> -&gt; <span class="keyword">typename</span> get_reader&lt;std::wstring, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>{</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> make_reader(path.wstring(), settings, cc);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span>}</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="keyword">auto</span> make_reader(</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> Device&amp; file,</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> image_read_settings&lt;FormatTag&gt; <span class="keyword">const</span>&amp; settings,</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> ConversionPolicy <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">typename</span> std::enable_if</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> &lt;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> mp11::mp_and</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> &lt;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> detail::is_adaptable_input_device&lt;FormatTag, Device&gt;,</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> is_format_tag&lt;FormatTag&gt;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> &gt;::value</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> &gt;::type* <span class="comment">/*dummy*/</span> = <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> -&gt; <span class="keyword">typename</span> get_reader&lt;Device, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">typename</span> get_read_device&lt;Device, FormatTag&gt;::type device(file);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">return</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">typename</span> get_reader&lt;Device, FormatTag, ConversionPolicy&gt;::type(device, settings);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>}</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="comment">// no image_read_settings</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> String, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="keyword">auto</span> make_reader(</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> String <span class="keyword">const</span>&amp;file_name,</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> FormatTag <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> ConversionPolicy <span class="keyword">const</span>&amp; cc,</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">typename</span> std::enable_if</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> &lt;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> mp11::mp_and</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> &lt;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> detail::is_supported_path_spec&lt;String&gt;,</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> is_format_tag&lt;FormatTag&gt;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> &gt;::value</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> &gt;::type* <span class="comment">/*dummy*/</span> = <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> -&gt; <span class="keyword">typename</span> get_reader&lt;String, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>{</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">return</span> make_reader(file_name, image_read_settings&lt;FormatTag&gt;(), cc);</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>}</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="keyword">auto</span> make_reader(std::wstring <span class="keyword">const</span> &amp;file_name, FormatTag <span class="keyword">const</span>&amp;, ConversionPolicy <span class="keyword">const</span>&amp; cc)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> -&gt; <span class="keyword">typename</span> get_reader&lt;std::wstring, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>{</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">return</span> make_reader( file_name</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> , image_read_settings&lt; FormatTag &gt;()</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> , cc</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> );</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>}</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="keyword">auto</span> make_reader(detail::filesystem::path <span class="keyword">const</span>&amp; path, FormatTag <span class="keyword">const</span>&amp;, ConversionPolicy <span class="keyword">const</span>&amp; cc)</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> -&gt; <span class="keyword">typename</span> get_reader&lt;std::wstring, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span>{</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">return</span> make_reader(path.wstring(), image_read_settings&lt;FormatTag&gt;(), cc);</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>}</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy&gt;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="keyword">auto</span> make_reader(</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> Device&amp; file,</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> FormatTag <span class="keyword">const</span>&amp;,</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> ConversionPolicy <span class="keyword">const</span>&amp; cc,</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">typename</span> std::enable_if</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> &lt;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> mp11::mp_and</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> &lt;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> detail::is_adaptable_input_device&lt;FormatTag, Device&gt;,</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> is_format_tag&lt;FormatTag&gt;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> &gt;::value</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> &gt;::type* <span class="comment">/*dummy*/</span> = <span class="keyword">nullptr</span>)</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> -&gt; <span class="keyword">typename</span> get_reader&lt;Device, FormatTag, ConversionPolicy&gt;::type</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>{</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">return</span> make_reader(file, image_read_settings&lt;FormatTag&gt;(), cc);</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>}</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span>}} <span class="comment">// namespace boost::gil</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdoc">defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)</div><div class="ttdef"><b>Definition</b> algorithm.hpp:36</div></div>
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