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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 2007-2012 Christian Henning, Andreas Pokorny</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// Copyright 2024 Dirk Stolle</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">//</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">//</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifndef BOOST_GIL_IO_DEVICE_HPP</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#define BOOST_GIL_IO_DEVICE_HPP</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;boost/gil/detail/mp11.hpp&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;boost/gil/io/base.hpp&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;cstdio&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</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="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#if BOOST_WORKAROUND(BOOST_MSVC, &gt;= 1400)</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#pragma warning(push)</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#pragma warning(disable:4512) </span><span class="comment">//assignment operator could not be generated</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">template</span> &lt; <span class="keyword">typename</span> T &gt; <span class="keyword">struct </span>buff_item</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>{</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = <span class="keyword">sizeof</span>( T );</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>};</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">template</span> &lt;&gt; <span class="keyword">struct </span>buff_item&lt; void &gt;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>{</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = 1;</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>};</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt;</div>
<div class="foldopen" id="foldopen00049" data-start="{" data-end="};">
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html"> 49</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>{</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">using </span>format_tag_t = FormatTag;</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">public</span>:</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html"> 58</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a> {};</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">struct </span>write_tag {};</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="foldopen" id="foldopen00064" data-start="{" data-end="}">
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a1f2f702329345cf39fae19cdc2158640"> 64</a></span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a1f2f702329345cf39fae19cdc2158640">file_stream_device</a>( <span class="keyword">const</span> std::string&amp; file_name</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> , <a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a> tag = <a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a>()</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> )</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>(file_name.c_str(), tag)</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> {}</div>
</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="foldopen" id="foldopen00073" data-start="{" data-end="}">
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ad692a035bb74a9641b3823eefb3d4f5b"> 73</a></span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ad692a035bb74a9641b3823eefb3d4f5b">file_stream_device</a>( <span class="keyword">const</span> <span class="keywordtype">char</span>* file_name</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> , <a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a> = <a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a>()</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> )</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> {</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> FILE* file = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> io_error_if( ( file = fopen( file_name, <span class="stringliteral">&quot;rb&quot;</span> )) == <span class="keyword">nullptr</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> , <span class="stringliteral">&quot;file_stream_device: failed to open file for reading&quot;</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> );</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> _file = file_ptr_t( file</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> , file_deleter</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> );</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }</div>
</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="foldopen" id="foldopen00091" data-start="{" data-end="}">
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aa2de99e067a8bec7ce7935a23bd9cff7"> 91</a></span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aa2de99e067a8bec7ce7935a23bd9cff7">file_stream_device</a>( <span class="keyword">const</span> std::string&amp; file_name</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> , write_tag tag</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> : <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>(file_name.c_str(), tag)</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> {}</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="foldopen" id="foldopen00100" data-start="{" data-end="}">
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a8325e5d8c4cc292297a2febdf2f26f03"> 100</a></span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a8325e5d8c4cc292297a2febdf2f26f03">file_stream_device</a>( <span class="keyword">const</span> <span class="keywordtype">char</span>* file_name</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> , write_tag</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> )</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> FILE* file = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> io_error_if( ( file = fopen( file_name, <span class="stringliteral">&quot;wb&quot;</span> )) == <span class="keyword">nullptr</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> , <span class="stringliteral">&quot;file_stream_device: failed to open file for writing&quot;</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> );</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> _file = file_ptr_t( file</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> , file_deleter</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> }</div>
</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="foldopen" id="foldopen00118" data-start="{" data-end="}">
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a671d48aa2f59b72c610e5675cd393b5a"> 118</a></span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a671d48aa2f59b72c610e5675cd393b5a">file_stream_device</a>( FILE* file )</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> : _file( file</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> , file_deleter</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> )</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> {}</div>
</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">auto</span> get() -&gt; FILE* { <span class="keywordflow">return</span> _file.get(); }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">auto</span> get() const -&gt; FILE const* { <span class="keywordflow">return</span> _file.get(); }</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="keywordtype">int</span> getc_unchecked()</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> std::getc( get() );</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</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="keywordtype">char</span> getc()</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> <span class="keywordtype">int</span> ch;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> io_error_if( ( ch = std::getc( get() )) == EOF</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> , <span class="stringliteral">&quot;file_stream_device: unexpected EOF&quot;</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> );</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> ( <span class="keywordtype">char</span> ) ch;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="foldopen" id="foldopen00144" data-start="{" data-end="}">
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468"> 144</a></span> <span class="keyword">auto</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468">read</a>(byte_t* data, std::size_t count) -&gt; std::size_t</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> {</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> std::size_t num_elements = fread( data</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> , 1</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> , <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>( count )</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> , get()</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> </div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> io_error_if( ferror( get() )</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> , <span class="stringliteral">&quot;file_stream_device: file read error&quot;</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> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">//libjpeg sometimes reads blocks in 4096 bytes even when the file is smaller than that.</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">//return value indicates how much was actually read</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">//returning less than &quot;count&quot; is not an error</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">return</span> num_elements;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> }</div>
</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">template</span>&lt; <span class="keyword">typename</span> T, <span class="keywordtype">int</span> N&gt;</div>
<div class="foldopen" id="foldopen00165" data-start="{" data-end="}">
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd"> 165</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd">read</a>( T (&amp;buf)[N] )</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> {</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> io_error_if( <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468">read</a>( buf, N ) &lt; N</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> , <span class="stringliteral">&quot;file_stream_device: file read error&quot;</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> );</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="foldopen" id="foldopen00173" data-start="{" data-end="}">
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a"> 173</a></span> uint8_t <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">read_uint8</a>()</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> byte_t m[1];</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468">read</a>( m );</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> m[0];</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="foldopen" id="foldopen00182" data-start="{" data-end="}">
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a7d2904b739166f8f094f8194bb04dc43"> 182</a></span> uint16_t <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a7d2904b739166f8f094f8194bb04dc43">read_uint16</a>()</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> byte_t m[2];</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468">read</a>( m );</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">return</span> (m[1] &lt;&lt; 8) | m[0];</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> }</div>
</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
<div class="foldopen" id="foldopen00191" data-start="{" data-end="}">
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#adfad6699e3c78d5ea641e2716b4ad73d"> 191</a></span> uint32_t <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">read_uint32</a>()</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> {</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> byte_t m[4];</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468">read</a>( m );</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">return</span> (m[3] &lt;&lt; 24) | (m[2] &lt;&lt; 16) | (m[1] &lt;&lt; 8) | m[0];</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> }</div>
</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">template</span> &lt; <span class="keyword">typename</span> T &gt;</div>
<div class="foldopen" id="foldopen00201" data-start="{" data-end="}">
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464"> 201</a></span> <span class="keyword">auto</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464">write</a>(T <span class="keyword">const</span>* buf, std::size_t count) -&gt; std::size_t</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> {</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> std::size_t num_elements = fwrite( buf</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> , buff_item&lt;T&gt;::size</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> , count</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> , get()</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> );</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">//return value indicates how much was actually written</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="comment">//returning less than &quot;count&quot; is not an error</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">return</span> num_elements;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">template</span> &lt; <span class="keyword">typename</span> T</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> , std::size_t N</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> &gt;</div>
<div class="foldopen" id="foldopen00218" data-start="{" data-end="}">
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aab497dd2ae4f798d2649011d0378a26a"> 218</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aab497dd2ae4f798d2649011d0378a26a">write</a>( <span class="keyword">const</span> T (&amp;buf)[N] )</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> {</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> io_error_if( <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464">write</a>( buf, N ) &lt; N</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> , <span class="stringliteral">&quot;file_stream_device: file write error&quot;</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> );</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> return ;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="foldopen" id="foldopen00227" data-start="{" data-end="}">
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a595ab07d969c1dea44b709fe8a10704f"> 227</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a595ab07d969c1dea44b709fe8a10704f">write_uint8</a>( uint8_t x )</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> {</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> byte_t m[1] = { x };</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464">write</a>(m);</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> }</div>
</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="foldopen" id="foldopen00234" data-start="{" data-end="}">
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ae38d3c677b585360def5ab6ec4bb28b3"> 234</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">write_uint16</a>( uint16_t x )</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> byte_t m[2];</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> m[0] = byte_t( x &gt;&gt; 0 );</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> m[1] = byte_t( x &gt;&gt; 8 );</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464">write</a>( m );</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="foldopen" id="foldopen00245" data-start="{" data-end="}">
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb"> 245</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">write_uint32</a>( uint32_t x )</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> {</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> byte_t m[4];</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> m[0] = byte_t( x &gt;&gt; 0 );</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> m[1] = byte_t( x &gt;&gt; 8 );</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> m[2] = byte_t( x &gt;&gt; 16 );</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> m[3] = byte_t( x &gt;&gt; 24 );</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464">write</a>( m );</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div>
</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordtype">void</span> seek( <span class="keywordtype">long</span> count, <span class="keywordtype">int</span> whence = SEEK_SET )</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> io_error_if( fseek( get()</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> , count</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> , whence</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> ) != 0</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> , <span class="stringliteral">&quot;file_stream_device: file seek error&quot;</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> );</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> }</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> tell()</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> {</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> pos = ftell( get() );</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> io_error_if( pos == -1L</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> , <span class="stringliteral">&quot;file_stream_device: file position error&quot;</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> );</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">return</span> pos;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordtype">void</span> flush()</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> fflush( get() );</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="foldopen" id="foldopen00284" data-start="{" data-end="}">
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5117c47dfac83525967e6c01c3b27894"> 284</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5117c47dfac83525967e6c01c3b27894">print_line</a>( <span class="keyword">const</span> std::string&amp; line )</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> {</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> std::size_t num_elements = fwrite( line.c_str()</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> , <span class="keyword">sizeof</span>( <span class="keywordtype">char</span> )</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> , line.size()</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> , get()</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> );</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> io_error_if( num_elements &lt; line.size()</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> , <span class="stringliteral">&quot;file_stream_device: line print error&quot;</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> );</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> }</div>
</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> </div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordtype">int</span> error()</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> {</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">return</span> ferror( get() );</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> }</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keyword">static</span> <span class="keywordtype">void</span> file_deleter( FILE* file )</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> {</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">if</span>( file )</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> {</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> fclose( file );</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">using </span>file_ptr_t = std::shared_ptr&lt;FILE&gt; ;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> file_ptr_t _file;</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span>};</div>
</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt;</div>
<div class="foldopen" id="foldopen00322" data-start="{" data-end="};">
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html"> 322</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1istream__device.html">istream_device</a></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span>{</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1istream__device.html">istream_device</a>( std::istream&amp; in )</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> : _in( in )</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> {</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="comment">// does the file exists?</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> io_error_if( !in</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> , <span class="stringliteral">&quot;istream_device: Stream is not valid.&quot;</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> );</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> }</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordtype">int</span> getc_unchecked()</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> {</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keywordflow">return</span> _in.get();</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordtype">char</span> getc()</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> {</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordtype">int</span> ch;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> io_error_if( ( ch = _in.get() ) == EOF</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> , <span class="stringliteral">&quot;istream_device: unexpected EOF&quot;</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> );</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> </div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordflow">return</span> ( <span class="keywordtype">char</span> ) ch;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> std::size_t read( byte_t* data</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> , std::size_t count )</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> {</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> std::streamsize cr = 0;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> </div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">do</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> {</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> _in.peek();</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> std::streamsize c = _in.readsome( <span class="keyword">reinterpret_cast&lt;</span> <span class="keywordtype">char</span>* <span class="keyword">&gt;</span>( data )</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> , <span class="keyword">static_cast&lt;</span> std::streamsize <span class="keyword">&gt;</span>( count ));</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> count -= <span class="keyword">static_cast&lt;</span> std::size_t <span class="keyword">&gt;</span>( c );</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> data += c;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> cr += c;</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> } <span class="keywordflow">while</span>( count &amp;&amp; _in );</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> </div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span> std::size_t <span class="keyword">&gt;</span>( cr );</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> }</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keywordtype">int</span> N&gt;</div>
<div class="foldopen" id="foldopen00372" data-start="{" data-end="}">
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd"> 372</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd">read</a>(T (&amp;buf)[N])</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> {</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> read(buf, N);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> }</div>
</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
<div class="foldopen" id="foldopen00378" data-start="{" data-end="}">
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a"> 378</a></span> uint8_t <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">read_uint8</a>()</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> {</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> byte_t m[1];</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> read( m );</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">return</span> m[0];</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> }</div>
</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> </div>
<div class="foldopen" id="foldopen00387" data-start="{" data-end="}">
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a7d2904b739166f8f094f8194bb04dc43"> 387</a></span> uint16_t <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a7d2904b739166f8f094f8194bb04dc43">read_uint16</a>()</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> {</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> byte_t m[2];</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> read( m );</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="keywordflow">return</span> (m[1] &lt;&lt; 8) | m[0];</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> }</div>
</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
<div class="foldopen" id="foldopen00396" data-start="{" data-end="}">
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#adfad6699e3c78d5ea641e2716b4ad73d"> 396</a></span> uint32_t <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1istream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">read_uint32</a>()</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> {</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> byte_t m[4];</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> read( m );</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">return</span> (m[3] &lt;&lt; 24) | (m[2] &lt;&lt; 16) | (m[1] &lt;&lt; 8) | m[0];</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> }</div>
</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordtype">void</span> seek( <span class="keywordtype">long</span> count, <span class="keywordtype">int</span> whence = SEEK_SET )</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> {</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> _in.seekg( count</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> , whence == SEEK_SET ? std::ios::beg</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> :( whence == SEEK_CUR ? std::ios::cur</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> : std::ios::end )</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> );</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> }</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> </div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> tell()</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> {</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keyword">auto</span> pos = _in.tellg();</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> io_error_if( pos == std::istream::pos_type(-1)</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> , <span class="stringliteral">&quot;istream_device: file position error&quot;</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> );</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">long</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(pos);</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> }</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> </div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordtype">void</span> write(<span class="keyword">const</span> byte_t*, std::size_t)</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> {</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> io_error( <span class="stringliteral">&quot;istream_device: Bad io error.&quot;</span> );</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> }</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordtype">void</span> flush() {}</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> </div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordtype">int</span> error()</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> {</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">return</span> _in.fail();</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> }</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> std::istream&amp; _in;</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span>};</div>
</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt;</div>
<div class="foldopen" id="foldopen00445" data-start="{" data-end="};">
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html"> 445</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1ostream__device.html">ostream_device</a></div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span>{</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1ostream__device.html">ostream_device</a>( std::ostream &amp; out )</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> : _out( out )</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> {</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> }</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> </div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> std::size_t read(byte_t *, std::size_t)</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> {</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> io_error( <span class="stringliteral">&quot;ostream_device: Bad io error.&quot;</span> );</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> }</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="keywordtype">void</span> seek( <span class="keywordtype">long</span> count, <span class="keywordtype">int</span> whence )</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> {</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> _out.seekp( count</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> , whence == SEEK_SET</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> ? std::ios::beg</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> : ( whence == SEEK_CUR</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> ?std::ios::cur</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> :std::ios::end )</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> );</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> }</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> </div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> tell()</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> {</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keyword">auto</span> pos = _out.tellp();</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> io_error_if( pos == std::ostream::pos_type(-1)</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> , <span class="stringliteral">&quot;ostream_device: file position error&quot;</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> );</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> </div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">long</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(pos);</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> }</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordtype">void</span> write( <span class="keyword">const</span> byte_t* data</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> , std::size_t count )</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> {</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> _out.write( <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>( data )</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> , <span class="keyword">static_cast&lt;</span>std::streamsize<span class="keyword">&gt;</span>( count )</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> );</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> }</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keyword">template</span> &lt; <span class="keyword">typename</span> T</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> , std::size_t N</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> &gt;</div>
<div class="foldopen" id="foldopen00493" data-start="{" data-end="}">
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#aab497dd2ae4f798d2649011d0378a26a"> 493</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#aab497dd2ae4f798d2649011d0378a26a">write</a>( <span class="keyword">const</span> T (&amp;buf)[N] )</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> {</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> write( buf, N );</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> }</div>
</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> </div>
<div class="foldopen" id="foldopen00499" data-start="{" data-end="}">
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a595ab07d969c1dea44b709fe8a10704f"> 499</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a595ab07d969c1dea44b709fe8a10704f">write_uint8</a>( uint8_t x )</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> {</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> byte_t m[1] = { x };</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> write(m);</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> }</div>
</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> </div>
<div class="foldopen" id="foldopen00506" data-start="{" data-end="}">
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#ae38d3c677b585360def5ab6ec4bb28b3"> 506</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">write_uint16</a>( uint16_t x )</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> {</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> byte_t m[2];</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> m[0] = byte_t( x &gt;&gt; 0 );</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> m[1] = byte_t( x &gt;&gt; 8 );</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> </div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> write( m );</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> }</div>
</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> </div>
<div class="foldopen" id="foldopen00517" data-start="{" data-end="}">
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb"> 517</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">write_uint32</a>( uint32_t x )</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> {</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> byte_t m[4];</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> </div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> m[0] = byte_t( x &gt;&gt; 0 );</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> m[1] = byte_t( x &gt;&gt; 8 );</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> m[2] = byte_t( x &gt;&gt; 16 );</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> m[3] = byte_t( x &gt;&gt; 24 );</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> </div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> write( m );</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> }</div>
</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> </div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <span class="keywordtype">void</span> flush()</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> {</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> _out &lt;&lt; std::flush;</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> }</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> </div>
<div class="foldopen" id="foldopen00535" data-start="{" data-end="}">
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a5117c47dfac83525967e6c01c3b27894"> 535</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a5117c47dfac83525967e6c01c3b27894">print_line</a>( <span class="keyword">const</span> std::string&amp; line )</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> {</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> _out &lt;&lt; line;</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> }</div>
</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> </div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordtype">int</span> error()</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> {</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <span class="keywordflow">return</span> _out.fail();</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> }</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> </div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> std::ostream&amp; _out;</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span>};</div>
</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> </div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__input__device.html"> 555</a></span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> IODevice &gt; <span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__input__device.html">is_input_device</a> : std::false_type{};</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt; <span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__input__device.html">is_input_device</a>&lt; <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>&lt; FormatTag &gt; &gt; : std::true_type{};</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt; <span class="keyword">struct </span>is_input_device&lt; istream_device&lt; FormatTag &gt; &gt; : std::true_type{};</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> </div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> , <span class="keyword">typename</span> T</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> &gt;</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span><span class="keyword">struct </span>is_adaptable_input_device : std::false_type{};</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> </div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T&gt;</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span><span class="keyword">struct </span>is_adaptable_input_device</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span>&lt;</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> FormatTag,</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> T,</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> typename std::enable_if</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> &lt;</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> mp11::mp_or</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> &lt;</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> std::is_base_of&lt;std::istream, T&gt;,</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> std::is_same&lt;std::istream, T&gt;</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> &gt;::value</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> &gt;::type</div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span>&gt; : std::true_type</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span>{</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> <span class="keyword">using </span>device_type = istream_device&lt;FormatTag&gt;;</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span>};</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> </div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt;</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span><span class="keyword">struct </span>is_adaptable_input_device&lt; FormatTag</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> , FILE*</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> , <span class="keywordtype">void</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> &gt;</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> : std::true_type</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span>{</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="keyword">using </span>device_type = file_stream_device&lt;FormatTag&gt;;</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span>};</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> </div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> , <span class="keyword">typename</span> T</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> &gt;</div>
<div class="foldopen" id="foldopen00600" data-start="{" data-end="};">
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__read__device.html"> 600</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__read__device.html">is_read_device</a> : std::false_type</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span>{};</div>
</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T&gt;</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__read__device.html">is_read_device</a></div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span>&lt;</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> FormatTag,</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> T,</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> typename std::enable_if</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> &lt;</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> mp11::mp_or</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> &lt;</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> is_input_device&lt;FormatTag&gt;,</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> is_adaptable_input_device&lt;FormatTag, T&gt;</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> &gt;::value</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> &gt;::type</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span>&gt; : std::true_type</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span>{</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span>};</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> </div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__output__device.html"> 625</a></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> IODevice&gt; <span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__output__device.html">is_output_device</a> : std::false_type{};</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> </div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt; <span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__output__device.html">is_output_device</a>&lt; <a class="code hl_class" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>&lt; FormatTag &gt; &gt; : std::true_type{};</div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag &gt; <span class="keyword">struct </span>is_output_device&lt; ostream_device &lt; FormatTag &gt; &gt; : std::true_type{};</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> , <span class="keyword">typename</span> IODevice</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> &gt;</div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span><span class="keyword">struct </span>is_adaptable_output_device : std::false_type {};</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> </div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T&gt;</div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span><span class="keyword">struct </span>is_adaptable_output_device</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span>&lt;</div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> FormatTag,</div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> T,</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> typename std::enable_if</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> &lt;</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> mp11::mp_or</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> &lt;</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> std::is_base_of&lt;std::ostream, T&gt;,</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> std::is_same&lt;std::ostream, T&gt;</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> &gt;::value</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> &gt;::type</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span>&gt; : std::true_type</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span>{</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="keyword">using </span>device_type = ostream_device&lt;FormatTag&gt;;</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span>};</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> </div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> FormatTag&gt; <span class="keyword">struct </span>is_adaptable_output_device&lt;FormatTag,FILE*,<span class="keywordtype">void</span>&gt;</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> : std::true_type</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span>{</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="keyword">using </span>device_type = file_stream_device&lt;FormatTag&gt;;</div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span>};</div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> </div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> </div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> , <span class="keyword">typename</span> T</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> &gt;</div>
<div class="foldopen" id="foldopen00668" data-start="{" data-end="};">
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__write__device.html"> 668</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">is_write_device</a> : std::false_type</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span>{};</div>
</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> </div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T&gt;</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span><span class="keyword">struct </span><a class="code hl_struct" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">is_write_device</a></div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span>&lt;</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> FormatTag,</div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> T,</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> typename std::enable_if</div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> &lt;</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> mp11::mp_or</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> &lt;</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> is_output_device&lt;FormatTag&gt;,</div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> is_adaptable_output_device&lt;FormatTag, T&gt;</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> &gt;::value</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> &gt;::type</div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span>&gt; : std::true_type</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span>{</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span>};</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span>} <span class="comment">// namespace detail</span></div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> </div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag &gt; <span class="keyword">class </span>scanline_reader;</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</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; <span class="keyword">class </span>reader;</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> Log = no_log &gt; <span class="keyword">class </span>writer;</div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> </div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag &gt; <span class="keyword">class </span>dynamic_image_reader;</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> Log = no_log &gt; <span class="keyword">class </span>dynamic_image_writer;</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> </div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> </div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> </div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt;</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span><span class="keyword">struct </span>is_reader : std::false_type</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span>{};</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> </div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> , <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> , <span class="keyword">typename</span> ConversionPolicy</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> &gt;</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span><span class="keyword">struct </span>is_reader&lt; reader&lt; Device</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> , FormatTag</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> , ConversionPolicy</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> &gt;</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> &gt; : std::true_type</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span>{};</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> </div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt;</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span><span class="keyword">struct </span>is_dynamic_image_reader : std::false_type</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span>{};</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> </div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> , <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> &gt;</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span><span class="keyword">struct </span>is_dynamic_image_reader&lt; dynamic_image_reader&lt; Device</div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> , FormatTag</div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> &gt;</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> &gt; : std::true_type</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span>{};</div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> </div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt;</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span><span class="keyword">struct </span>is_writer : std::false_type</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span>{};</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> </div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> , <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> &gt;</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span><span class="keyword">struct </span>is_writer&lt; writer&lt; Device</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> , FormatTag</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> &gt;</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> &gt; : std::true_type</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span>{};</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> </div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt;</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span><span class="keyword">struct </span>is_dynamic_image_writer : std::false_type</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span>{};</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> </div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Device</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> , <span class="keyword">typename</span> FormatTag</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> &gt;</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span><span class="keyword">struct </span>is_dynamic_image_writer&lt; dynamic_image_writer&lt; Device</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> , FormatTag</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> &gt;</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> &gt; : std::true_type</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span>{};</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> </div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span>} <span class="comment">// namespace detail</span></div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> </div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span><span class="preprocessor">#if BOOST_WORKAROUND(BOOST_MSVC, &gt;= 1400)</span></div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span><span class="preprocessor">#pragma warning(pop)</span></div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> </div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span>} <span class="comment">// namespace gil</span></div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span>} <span class="comment">// namespace boost</span></div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> </div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">boost::gil::detail::file_stream_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:50</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a1f2f702329345cf39fae19cdc2158640"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a1f2f702329345cf39fae19cdc2158640">boost::gil::detail::file_stream_device::file_stream_device</a></div><div class="ttdeci">file_stream_device(const std::string &amp;file_name, read_tag tag=read_tag())</div><div class="ttdef"><b>Definition</b> device.hpp:64</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a2b1f82c9a1f809c77a9d5c83ae7c18bb"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">boost::gil::detail::file_stream_device::write_uint32</a></div><div class="ttdeci">void write_uint32(uint32_t x)</div><div class="ttdoc">Writes 32 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:245</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a5117c47dfac83525967e6c01c3b27894"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5117c47dfac83525967e6c01c3b27894">boost::gil::detail::file_stream_device::print_line</a></div><div class="ttdeci">void print_line(const std::string &amp;line)</div><div class="ttdoc">Prints formatted ASCII text.</div><div class="ttdef"><b>Definition</b> device.hpp:284</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a595ab07d969c1dea44b709fe8a10704f"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a595ab07d969c1dea44b709fe8a10704f">boost::gil::detail::file_stream_device::write_uint8</a></div><div class="ttdeci">void write_uint8(uint8_t x)</div><div class="ttdoc">Writes byte.</div><div class="ttdef"><b>Definition</b> device.hpp:227</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a5f0e7e3c2e2d9cc1e728af655a0a4ebd"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd">boost::gil::detail::file_stream_device::read</a></div><div class="ttdeci">void read(T(&amp;buf)[N])</div><div class="ttdoc">Reads array.</div><div class="ttdef"><b>Definition</b> device.hpp:165</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a671d48aa2f59b72c610e5675cd393b5a"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a671d48aa2f59b72c610e5675cd393b5a">boost::gil::detail::file_stream_device::file_stream_device</a></div><div class="ttdeci">file_stream_device(FILE *file)</div><div class="ttdef"><b>Definition</b> device.hpp:118</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a7d2904b739166f8f094f8194bb04dc43"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a7d2904b739166f8f094f8194bb04dc43">boost::gil::detail::file_stream_device::read_uint16</a></div><div class="ttdeci">uint16_t read_uint16()</div><div class="ttdoc">Reads 16 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:182</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a817ffb3a794dffd86f4a7a99cb9a2a4a"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">boost::gil::detail::file_stream_device::read_uint8</a></div><div class="ttdeci">uint8_t read_uint8()</div><div class="ttdoc">Reads byte.</div><div class="ttdef"><b>Definition</b> device.hpp:173</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a8325e5d8c4cc292297a2febdf2f26f03"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a8325e5d8c4cc292297a2febdf2f26f03">boost::gil::detail::file_stream_device::file_stream_device</a></div><div class="ttdeci">file_stream_device(const char *file_name, write_tag)</div><div class="ttdef"><b>Definition</b> device.hpp:100</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_a94c5e32257f69a59677124e156671468"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a94c5e32257f69a59677124e156671468">boost::gil::detail::file_stream_device::read</a></div><div class="ttdeci">auto read(byte_t *data, std::size_t count) -&gt; std::size_t</div><div class="ttdef"><b>Definition</b> device.hpp:144</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_aa2de99e067a8bec7ce7935a23bd9cff7"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aa2de99e067a8bec7ce7935a23bd9cff7">boost::gil::detail::file_stream_device::file_stream_device</a></div><div class="ttdeci">file_stream_device(const std::string &amp;file_name, write_tag tag)</div><div class="ttdef"><b>Definition</b> device.hpp:91</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_aab497dd2ae4f798d2649011d0378a26a"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aab497dd2ae4f798d2649011d0378a26a">boost::gil::detail::file_stream_device::write</a></div><div class="ttdeci">void write(const T(&amp;buf)[N])</div><div class="ttdoc">Writes array.</div><div class="ttdef"><b>Definition</b> device.hpp:218</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_ad692a035bb74a9641b3823eefb3d4f5b"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ad692a035bb74a9641b3823eefb3d4f5b">boost::gil::detail::file_stream_device::file_stream_device</a></div><div class="ttdeci">file_stream_device(const char *file_name, read_tag=read_tag())</div><div class="ttdef"><b>Definition</b> device.hpp:73</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_adfad6699e3c78d5ea641e2716b4ad73d"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">boost::gil::detail::file_stream_device::read_uint32</a></div><div class="ttdeci">uint32_t read_uint32()</div><div class="ttdoc">Reads 32 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:191</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_ae38d3c677b585360def5ab6ec4bb28b3"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">boost::gil::detail::file_stream_device::write_uint16</a></div><div class="ttdeci">void write_uint16(uint16_t x)</div><div class="ttdoc">Writes 16 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:234</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1file__stream__device_html_afc961feb011b5d974d201491a7438464"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#afc961feb011b5d974d201491a7438464">boost::gil::detail::file_stream_device::write</a></div><div class="ttdeci">auto write(T const *buf, std::size_t count) -&gt; std::size_t</div><div class="ttdoc">Writes number of elements from a buffer.</div><div class="ttdef"><b>Definition</b> device.hpp:201</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1istream__device_html"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1istream__device.html">boost::gil::detail::istream_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:323</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1istream__device_html_a5f0e7e3c2e2d9cc1e728af655a0a4ebd"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1istream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd">boost::gil::detail::istream_device::read</a></div><div class="ttdeci">void read(T(&amp;buf)[N])</div><div class="ttdoc">Reads array.</div><div class="ttdef"><b>Definition</b> device.hpp:372</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1istream__device_html_a7d2904b739166f8f094f8194bb04dc43"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1istream__device.html#a7d2904b739166f8f094f8194bb04dc43">boost::gil::detail::istream_device::read_uint16</a></div><div class="ttdeci">uint16_t read_uint16()</div><div class="ttdoc">Reads 16 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:387</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1istream__device_html_a817ffb3a794dffd86f4a7a99cb9a2a4a"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1istream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">boost::gil::detail::istream_device::read_uint8</a></div><div class="ttdeci">uint8_t read_uint8()</div><div class="ttdoc">Reads byte.</div><div class="ttdef"><b>Definition</b> device.hpp:378</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1istream__device_html_adfad6699e3c78d5ea641e2716b4ad73d"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1istream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">boost::gil::detail::istream_device::read_uint32</a></div><div class="ttdeci">uint32_t read_uint32()</div><div class="ttdoc">Reads 32 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:396</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1ostream__device_html"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1ostream__device.html">boost::gil::detail::ostream_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:446</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1ostream__device_html_a2b1f82c9a1f809c77a9d5c83ae7c18bb"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">boost::gil::detail::ostream_device::write_uint32</a></div><div class="ttdeci">void write_uint32(uint32_t x)</div><div class="ttdoc">Writes 32 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:517</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1ostream__device_html_a5117c47dfac83525967e6c01c3b27894"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a5117c47dfac83525967e6c01c3b27894">boost::gil::detail::ostream_device::print_line</a></div><div class="ttdeci">void print_line(const std::string &amp;line)</div><div class="ttdoc">Prints formatted ASCII text.</div><div class="ttdef"><b>Definition</b> device.hpp:535</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1ostream__device_html_a595ab07d969c1dea44b709fe8a10704f"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a595ab07d969c1dea44b709fe8a10704f">boost::gil::detail::ostream_device::write_uint8</a></div><div class="ttdeci">void write_uint8(uint8_t x)</div><div class="ttdoc">Writes byte.</div><div class="ttdef"><b>Definition</b> device.hpp:499</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1ostream__device_html_aab497dd2ae4f798d2649011d0378a26a"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1ostream__device.html#aab497dd2ae4f798d2649011d0378a26a">boost::gil::detail::ostream_device::write</a></div><div class="ttdeci">void write(const T(&amp;buf)[N])</div><div class="ttdoc">Writes array.</div><div class="ttdef"><b>Definition</b> device.hpp:493</div></div>
<div class="ttc" id="aclassboost_1_1gil_1_1detail_1_1ostream__device_html_ae38d3c677b585360def5ab6ec4bb28b3"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1ostream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">boost::gil::detail::ostream_device::write_uint16</a></div><div class="ttdeci">void write_uint16(uint16_t x)</div><div class="ttdoc">Writes 16 bit little endian integer.</div><div class="ttdef"><b>Definition</b> device.hpp:506</div></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>
<div class="ttc" id="astructboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">boost::gil::detail::file_stream_device::read_tag</a></div><div class="ttdoc">Used to overload the constructor.</div><div class="ttdef"><b>Definition</b> device.hpp:58</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1detail_1_1is__input__device_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1is__input__device.html">boost::gil::detail::is_input_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:555</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1detail_1_1is__output__device_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1is__output__device.html">boost::gil::detail::is_output_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:625</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1detail_1_1is__read__device_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1is__read__device.html">boost::gil::detail::is_read_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:601</div></div>
<div class="ttc" id="astructboost_1_1gil_1_1detail_1_1is__write__device_html"><div class="ttname"><a href="structboost_1_1gil_1_1detail_1_1is__write__device.html">boost::gil::detail::is_write_device</a></div><div class="ttdef"><b>Definition</b> device.hpp:669</div></div>
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