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47 <div class="title">device.hpp</div> </div>
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50 <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2007-2012 Christian Henning, Andreas Pokorny</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef BOOST_GIL_IO_DEVICE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_IO_DEVICE_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/gil/detail/mp11.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/gil/io/base.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <cstdio></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#pragma warning(push)</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#pragma warning(disable:4512) //assignment operator could not be generated</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span> < <span class="keyword">typename</span> T > <span class="keyword">struct </span>buff_item</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</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 name="l00030"></a><span class="lineno"> 30</span> };</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">template</span> <> <span class="keyword">struct </span>buff_item< void ></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</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 name="l00035"></a><span class="lineno"> 35</span> };</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag ></div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html"> 48</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">using</span> format_tag_t = FormatTag;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html"> 57</a></span>  <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a> {};</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">struct </span>write_tag {};</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a1f2f702329345cf39fae19cdc2158640"> 63</a></span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a1f2f702329345cf39fae19cdc2158640">file_stream_device</a>( <span class="keyword">const</span> std::string& file_name</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  , <a class="code" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a> tag = <a class="code" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a>()</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  )</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  : <a class="code" 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 name="l00067"></a><span class="lineno"> 67</span>  {}</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ad692a035bb74a9641b3823eefb3d4f5b"> 72</a></span>  <a class="code" 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 name="l00073"></a><span class="lineno"> 73</span>  , <a class="code" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a> = <a class="code" href="structboost_1_1gil_1_1detail_1_1file__stream__device_1_1read__tag.html">read_tag</a>()</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  )</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  FILE* file = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  io_error_if( ( file = fopen( file_name, <span class="stringliteral">"rb"</span> )) == <span class="keyword">nullptr</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  , <span class="stringliteral">"file_stream_device: failed to open file for reading"</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  );</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  _file = file_ptr_t( file</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  , file_deleter</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  );</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aa2de99e067a8bec7ce7935a23bd9cff7"> 90</a></span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aa2de99e067a8bec7ce7935a23bd9cff7">file_stream_device</a>( <span class="keyword">const</span> std::string& file_name</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  , write_tag tag</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  )</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  : <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>(file_name.c_str(), tag)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {}</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a8325e5d8c4cc292297a2febdf2f26f03"> 99</a></span>  <a class="code" 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 name="l00100"></a><span class="lineno"> 100</span>  , write_tag</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  )</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  FILE* file = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  io_error_if( ( file = fopen( file_name, <span class="stringliteral">"wb"</span> )) == <span class="keyword">nullptr</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  , <span class="stringliteral">"file_stream_device: failed to open file for writing"</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  );</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  _file = file_ptr_t( file</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  , file_deleter</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  );</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a671d48aa2f59b72c610e5675cd393b5a"> 117</a></span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a671d48aa2f59b72c610e5675cd393b5a">file_stream_device</a>( FILE* file )</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  : _file( file</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  , file_deleter</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  )</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  {}</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  FILE* get() { <span class="keywordflow">return</span> _file.get(); }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">const</span> FILE* get()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _file.get(); }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> getc_unchecked()</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> std::getc( get() );</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">char</span> getc()</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">int</span> ch;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  io_error_if( ( ch = std::getc( get() )) == EOF</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  , <span class="stringliteral">"file_stream_device: unexpected EOF"</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  );</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> ( <span class="keywordtype">char</span> ) ch;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce"> 143</a></span>  std::size_t <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">read</a>( byte_t* data</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  , std::size_t count</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  )</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  std::size_t num_elements = fread( data</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  , 1</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  , static_cast<int>( count )</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  , get()</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  );</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  io_error_if( ferror( get() )</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  , <span class="stringliteral">"file_stream_device: file read error"</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  );</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</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 name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">//return value indicates how much was actually read</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">//returning less than "count" is not an error</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> num_elements;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">template</span>< <span class="keyword">typename</span> T</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  , <span class="keywordtype">int</span> N</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  ></div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd"> 168</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd">read</a>( T (&buf)[N] )</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  io_error_if( <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">read</a>( buf, N ) < N</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  , <span class="stringliteral">"file_stream_device: file read error"</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  );</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a"> 176</a></span>  uint8_t <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">read_uint8</a>()</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  byte_t m[1];</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">read</a>( m );</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> m[0];</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a7d2904b739166f8f094f8194bb04dc43"> 185</a></span>  uint16_t <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a7d2904b739166f8f094f8194bb04dc43">read_uint16</a>()</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  byte_t m[2];</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">read</a>( m );</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> (m[1] << 8) | m[0];</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#adfad6699e3c78d5ea641e2716b4ad73d"> 194</a></span>  uint32_t <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">read_uint32</a>()</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  byte_t m[4];</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">read</a>( m );</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> (m[3] << 24) | (m[2] << 16) | (m[1] << 8) | m[0];</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">template</span> < <span class="keyword">typename</span> T ></div><div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98"> 204</a></span>  std::size_t <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98">write</a>( <span class="keyword">const</span> T* buf</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  , std::size_t count</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  )</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  std::size_t num_elements = fwrite( buf</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  , buff_item<T>::size</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  , count</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  , get()</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  );</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">//return value indicates how much was actually written</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">//returning less than "count" is not an error</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> num_elements;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">template</span> < <span class="keyword">typename</span> T</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  , std::size_t N</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  ></div><div class="line"><a name="l00223"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aab497dd2ae4f798d2649011d0378a26a"> 223</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#aab497dd2ae4f798d2649011d0378a26a">write</a>( <span class="keyword">const</span> T (&buf)[N] )</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  io_error_if( <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98">write</a>( buf, N ) < N</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  , <span class="stringliteral">"file_stream_device: file write error"</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  );</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  return ;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a595ab07d969c1dea44b709fe8a10704f"> 232</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a595ab07d969c1dea44b709fe8a10704f">write_uint8</a>( uint8_t x )</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  byte_t m[1] = { x };</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98">write</a>(m);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00239"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ae38d3c677b585360def5ab6ec4bb28b3"> 239</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">write_uint16</a>( uint16_t x )</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  byte_t m[2];</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  m[0] = byte_t( x >> 0 );</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  m[1] = byte_t( x >> 8 );</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98">write</a>( m );</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div><div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb"> 250</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">write_uint32</a>( uint32_t x )</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  byte_t m[4];</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  m[0] = byte_t( x >> 0 );</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  m[1] = byte_t( x >> 8 );</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  m[2] = byte_t( x >> 16 );</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  m[3] = byte_t( x >> 24 );</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98">write</a>( m );</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</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 name="l00263"></a><span class="lineno"> 263</span>  {</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  io_error_if( fseek( get()</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  , count</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  , whence</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  ) != 0</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  , <span class="stringliteral">"file_stream_device: file seek error"</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  );</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">long</span> <span class="keywordtype">int</span> tell()</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  {</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordtype">long</span> <span class="keywordtype">int</span> pos = ftell( get() );</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  io_error_if( pos == -1L</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  , <span class="stringliteral">"file_stream_device: file position error"</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  );</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">return</span> pos;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">void</span> flush()</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  fflush( get() );</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00289"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5117c47dfac83525967e6c01c3b27894"> 289</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5117c47dfac83525967e6c01c3b27894">print_line</a>( <span class="keyword">const</span> std::string& line )</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  {</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  std::size_t num_elements = fwrite( line.c_str()</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  , <span class="keyword">sizeof</span>( char )</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  , line.size()</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  , get()</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  );</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  io_error_if( num_elements < line.size()</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  , <span class="stringliteral">"file_stream_device: line print error"</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  );</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">int</span> error()</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  {</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> ferror( get() );</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> file_deleter( FILE* file )</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">if</span>( file )</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  {</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  fclose( file );</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">using</span> file_ptr_t = std::shared_ptr<FILE> ;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  file_ptr_t _file;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> };</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag ></div><div class="line"><a name="l00327"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html"> 327</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1detail_1_1istream__device.html">istream_device</a></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> {</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1istream__device.html">istream_device</a>( std::istream& in )</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  : _in( in )</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  {</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// does the file exists?</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  io_error_if( !in</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  , <span class="stringliteral">"istream_device: Stream is not valid."</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  );</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordtype">int</span> getc_unchecked()</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  {</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> _in.get();</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordtype">char</span> getc()</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">int</span> ch;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  io_error_if( ( ch = _in.get() ) == EOF</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  , <span class="stringliteral">"istream_device: unexpected EOF"</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  );</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">return</span> ( <span class="keywordtype">char</span> ) ch;</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  std::size_t read( byte_t* data</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  , std::size_t count )</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  {</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  std::streamsize cr = 0;</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">do</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  {</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  _in.peek();</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  std::streamsize c = _in.readsome( reinterpret_cast< char* >( data )</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  , static_cast< std::streamsize >( count ));</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  count -= static_cast< std::size_t >( c );</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  data += c;</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  cr += c;</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  } <span class="keywordflow">while</span>( count && _in );</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span> static_cast< std::size_t >( cr );</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">int</span> N></div><div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd"> 377</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a5f0e7e3c2e2d9cc1e728af655a0a4ebd">read</a>(T (&buf)[N])</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  {</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  read(buf, N);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00383"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a"> 383</a></span>  uint8_t <a class="code" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a817ffb3a794dffd86f4a7a99cb9a2a4a">read_uint8</a>()</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  {</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  byte_t m[1];</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  read( m );</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> m[0];</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div><div class="line"><a name="l00392"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a7d2904b739166f8f094f8194bb04dc43"> 392</a></span>  uint16_t <a class="code" href="classboost_1_1gil_1_1detail_1_1istream__device.html#a7d2904b739166f8f094f8194bb04dc43">read_uint16</a>()</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  {</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  byte_t m[2];</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  read( m );</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> (m[1] << 8) | m[0];</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00401"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1istream__device.html#adfad6699e3c78d5ea641e2716b4ad73d"> 401</a></span>  uint32_t <a class="code" href="classboost_1_1gil_1_1detail_1_1istream__device.html#adfad6699e3c78d5ea641e2716b4ad73d">read_uint32</a>()</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  {</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  byte_t m[4];</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  read( m );</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> (m[3] << 24) | (m[2] << 16) | (m[1] << 8) | m[0];</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div><div class="line"><a name="l00409"></a><span class="lineno"> 409</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 name="l00410"></a><span class="lineno"> 410</span>  {</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  _in.seekg( count</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  , whence == SEEK_SET ? std::ios::beg</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  :( whence == SEEK_CUR ? std::ios::cur</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  : std::ios::end )</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  );</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordtype">void</span> write(<span class="keyword">const</span> byte_t*, std::size_t)</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  io_error( <span class="stringliteral">"istream_device: Bad io error."</span> );</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">void</span> flush() {}</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  std::istream& _in;</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> };</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag ></div><div class="line"><a name="l00434"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html"> 434</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html">ostream_device</a></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> {</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html">ostream_device</a>( std::ostream & out )</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  : _out( out )</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  {</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> </div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  std::size_t read(byte_t *, std::size_t)</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  {</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  io_error( <span class="stringliteral">"ostream_device: Bad io error."</span> );</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordtype">void</span> seek( <span class="keywordtype">long</span> count, <span class="keywordtype">int</span> whence )</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  {</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  _out.seekp( count</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  , whence == SEEK_SET</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  ? std::ios::beg</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  : ( whence == SEEK_CUR</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  ?std::ios::cur</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  :std::ios::end )</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  );</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordtype">void</span> write( <span class="keyword">const</span> byte_t* data</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  , std::size_t count )</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  {</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  _out.write( reinterpret_cast<char const*>( data )</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  , static_cast<std::streamsize>( count )</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  );</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">template</span> < <span class="keyword">typename</span> T</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  , std::size_t N</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  ></div><div class="line"><a name="l00471"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#aab497dd2ae4f798d2649011d0378a26a"> 471</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#aab497dd2ae4f798d2649011d0378a26a">write</a>( <span class="keyword">const</span> T (&buf)[N] )</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  {</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  write( buf, N );</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> </div><div class="line"><a name="l00477"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a595ab07d969c1dea44b709fe8a10704f"> 477</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a595ab07d969c1dea44b709fe8a10704f">write_uint8</a>( uint8_t x )</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  {</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  byte_t m[1] = { x };</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  write(m);</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div><div class="line"><a name="l00484"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#ae38d3c677b585360def5ab6ec4bb28b3"> 484</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#ae38d3c677b585360def5ab6ec4bb28b3">write_uint16</a>( uint16_t x )</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  {</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  byte_t m[2];</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> </div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  m[0] = byte_t( x >> 0 );</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  m[1] = byte_t( x >> 8 );</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> </div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  write( m );</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  }</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> </div><div class="line"><a name="l00495"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb"> 495</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a2b1f82c9a1f809c77a9d5c83ae7c18bb">write_uint32</a>( uint32_t x )</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  {</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  byte_t m[4];</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  m[0] = byte_t( x >> 0 );</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  m[1] = byte_t( x >> 8 );</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  m[2] = byte_t( x >> 16 );</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  m[3] = byte_t( x >> 24 );</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span> </div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  write( m );</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  }</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span> </div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordtype">void</span> flush()</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  {</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  _out << std::flush;</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  }</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> </div><div class="line"><a name="l00513"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a5117c47dfac83525967e6c01c3b27894"> 513</a></span>  <span class="keywordtype">void</span> <a class="code" href="classboost_1_1gil_1_1detail_1_1ostream__device.html#a5117c47dfac83525967e6c01c3b27894">print_line</a>( <span class="keyword">const</span> std::string& line )</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  {</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  _out << line;</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  std::ostream& _out;</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> };</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span> </div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div><div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__input__device.html"> 530</a></span> <span class="keyword">template</span>< <span class="keyword">typename</span> IODevice > <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__input__device.html">is_input_device</a> : std::false_type{};</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__input__device.html">is_input_device</a>< <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>< FormatTag > > : std::true_type{};</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>is_input_device< istream_device< FormatTag > > : std::true_type{};</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span> </div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  , <span class="keyword">typename</span> T</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  ></div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="keyword">struct </span>is_adaptable_input_device : std::false_type{};</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span> </div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="keyword">template</span> <<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T></div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="keyword">struct </span>is_adaptable_input_device</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  FormatTag,</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  T,</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  typename std::enable_if</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  mp11::mp_or</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  std::is_base_of<std::istream, T>,</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  std::is_same<std::istream, T></div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  >::value</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  >::type</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span> > : std::true_type</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span> {</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keyword">using</span> device_type = istream_device<FormatTag>;</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span> };</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag ></div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="keyword">struct </span>is_adaptable_input_device< FormatTag</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  , FILE*</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  , <span class="keywordtype">void</span></div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  ></div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  : std::true_type</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span> {</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keyword">using</span> device_type = file_stream_device<FormatTag>;</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span> };</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span> </div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  , <span class="keyword">typename</span> T</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  ></div><div class="line"><a name="l00575"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__read__device.html"> 575</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__read__device.html">is_read_device</a> : std::false_type</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span> {};</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="keyword">template</span> <<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T></div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__read__device.html">is_read_device</a></div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  FormatTag,</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  T,</div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  typename std::enable_if</div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <</div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  mp11::mp_or</div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <</div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  is_input_device<FormatTag>,</div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  is_adaptable_input_device<FormatTag, T></div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  >::value</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  >::type</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span> > : std::true_type</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span> {</div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span> };</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span> </div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div><div class="line"><a name="l00600"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__output__device.html"> 600</a></span> <span class="keyword">template</span><<span class="keyword">typename</span> IODevice> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__output__device.html">is_output_device</a> : std::false_type{};</div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span> </div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__output__device.html">is_output_device</a>< <a class="code" href="classboost_1_1gil_1_1detail_1_1file__stream__device.html">file_stream_device</a>< FormatTag > > : std::true_type{};</div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>is_output_device< ostream_device < FormatTag > > : std::true_type{};</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  , <span class="keyword">typename</span> IODevice</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  ></div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span> <span class="keyword">struct </span>is_adaptable_output_device : std::false_type {};</div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span> </div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="keyword">template</span> <<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T></div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="keyword">struct </span>is_adaptable_output_device</div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <</div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  FormatTag,</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  T,</div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  typename std::enable_if</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <</div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  mp11::mp_or</div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <</div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  std::is_base_of<std::ostream, T>,</div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  std::is_same<std::ostream, T></div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  >::value</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  >::type</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span> > : std::true_type</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span> {</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keyword">using</span> device_type = ostream_device<FormatTag>;</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> };</div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="keyword">template</span><<span class="keyword">typename</span> FormatTag> <span class="keyword">struct </span>is_adaptable_output_device<FormatTag,FILE*,<span class="keywordtype">void</span>></div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  : std::true_type</div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span> {</div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keyword">using</span> device_type = file_stream_device<FormatTag>;</div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span> };</div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span> </div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span> </div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  , <span class="keyword">typename</span> T</div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  , <span class="keyword">typename</span> D = <span class="keywordtype">void</span></div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  ></div><div class="line"><a name="l00643"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1detail_1_1is__write__device.html"> 643</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">is_write_device</a> : std::false_type</div><div class="line"><a name="l00644"></a><span class="lineno"> 644</span> {};</div><div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div><div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="keyword">template</span> <<span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> T></div><div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1detail_1_1is__write__device.html">is_write_device</a></div><div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <</div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  FormatTag,</div><div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  T,</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  typename std::enable_if</div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <</div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  mp11::mp_or</div><div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <</div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  is_output_device<FormatTag>,</div><div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  is_adaptable_output_device<FormatTag, T></div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  >::value</div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  >::type</div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span> > : std::true_type</div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span> {</div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span> };</div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span> </div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span> </div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag > <span class="keyword">class </span>scanline_reader;</div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> ConversionPolicy > <span class="keyword">class </span>reader;</div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span> </div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> Log = no_log > <span class="keyword">class </span>writer;</div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span> </div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag > <span class="keyword">class </span>dynamic_image_reader;</div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> Log = no_log > <span class="keyword">class </span>dynamic_image_writer;</div><div class="line"><a name="l00672"></a><span class="lineno"> 672</span> </div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span> </div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span> </div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span> <span class="keyword">template</span>< <span class="keyword">typename</span> T ></div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span> <span class="keyword">struct </span>is_reader : std::false_type</div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span> {};</div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device</div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  , <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  , <span class="keyword">typename</span> ConversionPolicy</div><div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  ></div><div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="keyword">struct </span>is_reader< reader< Device</div><div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  , FormatTag</div><div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  , ConversionPolicy</div><div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  ></div><div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  > : std::true_type</div><div class="line"><a name="l00689"></a><span class="lineno"> 689</span> {};</div><div class="line"><a name="l00690"></a><span class="lineno"> 690</span> </div><div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="keyword">template</span>< <span class="keyword">typename</span> T ></div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="keyword">struct </span>is_dynamic_image_reader : std::false_type</div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span> {};</div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span> </div><div class="line"><a name="l00695"></a><span class="lineno"> 695</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device</div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  , <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  ></div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="keyword">struct </span>is_dynamic_image_reader< dynamic_image_reader< Device</div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  , FormatTag</div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  ></div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  > : std::true_type</div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span> {};</div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span> </div><div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="keyword">template</span>< <span class="keyword">typename</span> T ></div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="keyword">struct </span>is_writer : std::false_type</div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span> {};</div><div class="line"><a name="l00707"></a><span class="lineno"> 707</span> </div><div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device</div><div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  , <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  ></div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span> <span class="keyword">struct </span>is_writer< writer< Device</div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  , FormatTag</div><div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  ></div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  > : std::true_type</div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span> {};</div><div class="line"><a name="l00716"></a><span class="lineno"> 716</span> </div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="keyword">template</span>< <span class="keyword">typename</span> T ></div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="keyword">struct </span>is_dynamic_image_writer : std::false_type</div><div class="line"><a name="l00719"></a><span class="lineno"> 719</span> {};</div><div class="line"><a name="l00720"></a><span class="lineno"> 720</span> </div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device</div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  , <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  ></div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="keyword">struct </span>is_dynamic_image_writer< dynamic_image_writer< Device</div><div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  , FormatTag</div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  ></div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  > : std::true_type</div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span> {};</div><div class="line"><a name="l00729"></a><span class="lineno"> 729</span> </div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00731"></a><span class="lineno"> 731</span> </div><div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="preprocessor">#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)</span></div><div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00735"></a><span class="lineno"> 735</span> </div><div class="line"><a name="l00736"></a><span class="lineno"> 736</span> } <span class="comment">// namespace gil</span></div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span> } <span class="comment">// namespace boost</span></div><div class="line"><a name="l00738"></a><span class="lineno"> 738</span> </div><div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_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:530</div></div>
51 <div class="ttc" id="classboost_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:477</div></div>
52 <div class="ttc" id="classboost_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 &file_name, write_tag tag)</div><div class="ttdef"><b>Definition:</b> device.hpp:90</div></div>
53 <div class="ttc" id="classboost_1_1gil_1_1detail_1_1file__stream__device_html_ab24d2614f1eb54a5571eccf3a92460ce"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#ab24d2614f1eb54a5571eccf3a92460ce">boost::gil::detail::file_stream_device::read</a></div><div class="ttdeci">std::size_t read(byte_t *data, std::size_t count)</div><div class="ttdef"><b>Definition:</b> device.hpp:143</div></div>
54 <div class="ttc" id="classboost_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 &line)</div><div class="ttdoc">Prints formatted ASCII text.</div><div class="ttdef"><b>Definition:</b> device.hpp:289</div></div>
55 <div class="ttc" id="classboost_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(&buf)[N])</div><div class="ttdoc">Reads array.</div><div class="ttdef"><b>Definition:</b> device.hpp:377</div></div>
56 <div class="ttc" id="classboost_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:185</div></div>
57 <div class="ttc" id="classboost_1_1gil_1_1detail_1_1file__stream__device_html_a5245d4d6f6409cd6f0b923e5c9ef0b98"><div class="ttname"><a href="classboost_1_1gil_1_1detail_1_1file__stream__device.html#a5245d4d6f6409cd6f0b923e5c9ef0b98">boost::gil::detail::file_stream_device::write</a></div><div class="ttdeci">std::size_t write(const T *buf, std::size_t count)</div><div class="ttdoc">Writes number of elements from a buffer.</div><div class="ttdef"><b>Definition:</b> device.hpp:204</div></div>
58 <div class="ttc" id="classboost_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:392</div></div>
59 <div class="ttc" id="classboost_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(&buf)[N])</div><div class="ttdoc">Writes array.</div><div class="ttdef"><b>Definition:</b> device.hpp:223</div></div>
60 <div class="ttc" id="structboost_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:575</div></div>
61 <div class="ttc" id="classboost_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:250</div></div>
62 <div class="ttc" id="classboost_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:232</div></div>
63 <div class="ttc" id="classboost_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:194</div></div>
64 <div class="ttc" id="classboost_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:239</div></div>
65 <div class="ttc" id="classboost_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:383</div></div>
66 <div class="ttc" id="structboost_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:57</div></div>
67 <div class="ttc" id="classboost_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:176</div></div>
68 <div class="ttc" id="structboost_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:600</div></div>
69 <div class="ttc" id="classboost_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:401</div></div>
70 <div class="ttc" id="classboost_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:72</div></div>
71 <div class="ttc" id="classboost_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(&buf)[N])</div><div class="ttdoc">Writes array.</div><div class="ttdef"><b>Definition:</b> device.hpp:471</div></div>
72 <div class="ttc" id="classboost_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 &file_name, read_tag tag=read_tag())</div><div class="ttdef"><b>Definition:</b> device.hpp:63</div></div>
73 <div class="ttc" id="classboost_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:48</div></div>
74 <div class="ttc" id="structboost_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:643</div></div>
75 <div class="ttc" id="classboost_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:484</div></div>
76 <div class="ttc" id="classboost_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:434</div></div>
77 <div class="ttc" id="classboost_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:327</div></div>
78 <div class="ttc" id="classboost_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:117</div></div>
79 <div class="ttc" id="classboost_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 &line)</div><div class="ttdoc">Prints formatted ASCII text.</div><div class="ttdef"><b>Definition:</b> device.hpp:513</div></div>
80 <div class="ttc" id="classboost_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(&buf)[N])</div><div class="ttdoc">Reads array.</div><div class="ttdef"><b>Definition:</b> device.hpp:168</div></div>
81 <div class="ttc" id="classboost_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:99</div></div>
82 <div class="ttc" id="classboost_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:495</div></div>
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