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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright 2007-2008 Christian Henning</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_READER_BASE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_IO_READER_BASE_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/io/base.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/assert.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  , <span class="keyword">typename</span> ConversionPolicy</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  ></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1reader__base.html"> 28</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1reader__base.html">reader_base</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1reader__base.html#ab7d83e196429f1866b5116097463791b"> 35</a></span>  <a class="code" href="structboost_1_1gil_1_1reader__base.html#ab7d83e196429f1866b5116097463791b">reader_base</a>()</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  :_cc_policy()</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {}</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1reader__base.html#a5d4a087855cec43f12ec8dfa8447f9ae"> 42</a></span>  <a class="code" href="structboost_1_1gil_1_1reader__base.html#a5d4a087855cec43f12ec8dfa8447f9ae">reader_base</a>( <span class="keyword">const</span> ConversionPolicy& cc )</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  :_cc_policy( cc )</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  {}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">template</span>< <span class="keyword">typename</span> Image ></div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1reader__base.html#a74c187b2eea93fb74ecaa0d5848b595e"> 53</a></span>  <span class="keywordtype">void</span> <a class="code" href="structboost_1_1gil_1_1reader__base.html#a74c187b2eea93fb74ecaa0d5848b595e">init_image</a>( Image& img</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  , <span class="keyword">const</span> image_read_settings< FormatTag >& settings</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  )</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">//setup( backend._settings._dim );</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  BOOST_ASSERT(settings._dim.x && settings._dim.y);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  img.recreate( settings._dim.x</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  , settings._dim.y</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  );</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</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>  <span class="keyword">template</span>< <span class="keyword">typename</span> View ></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> init_view( <span class="keyword">const</span> View& <a class="code" href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38">view</a></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  , <span class="keyword">const</span> image_read_settings< FormatTag >&</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  )</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  setup( <a class="code" href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38">view</a>.dimensions() );</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">private</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>  <span class="keywordtype">void</span> setup( <span class="keyword">const</span> point_t& <span class="comment">/* dim */</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>  <span class="comment">//check_coordinates( dim );</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">//if( dim == point_t( 0, 0 ))</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">//{</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// _settings._dim.x = _info._width;</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// _settings._dim.y = _info._height;</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">//}</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">//else</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">//{</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// _settings._dim = dim;</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">//}</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> check_coordinates( <span class="keyword">const</span> point_t& <span class="comment">/* dim */</span> )</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">//using int_t = point_t::value_type;</span></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>  <span class="comment">//int_t width = static_cast< int_t >( _info._width );</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">//int_t height = static_cast< int_t >( _info._height );</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">//io_error_if( ( _settings._top_left.x < 0</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// || _settings._top_left.y < 0</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// || dim.x < 0</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// || dim.y < 0</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// )</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// , "User provided view has incorrect size." );</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> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">//io_error_if( ( ( width ) < _settings._top_left.x</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// && ( width ) <= dim.x</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// && ( height ) < _settings._top_left.y</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// && ( height ) <= dim.y )</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// , "User provided view has incorrect size." );</span></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>  <span class="comment">//io_error_if( ( ( _settings._top_left.x + dim.x ) > width</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// || ( _settings._top_left.y + dim.y ) > height</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// )</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// , "User provided view has incorrect size." );</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ConversionPolicy _cc_policy;</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> } <span class="comment">// namespace gil</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> } <span class="comment">// namespace boost</span></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="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1reader__base_html_a74c187b2eea93fb74ecaa0d5848b595e"><div class="ttname"><a href="structboost_1_1gil_1_1reader__base.html#a74c187b2eea93fb74ecaa0d5848b595e">boost::gil::reader_base::init_image</a></div><div class="ttdeci">void init_image(Image &img, const image_read_settings< FormatTag > &settings)</div><div class="ttdef"><b>Definition:</b> reader_base.hpp:53</div></div>
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<div class="ttc" id="group___image_model_html_ga633557dbbff2d21c784b73412b47bb38"><div class="ttname"><a href="group___image_model.html#ga633557dbbff2d21c784b73412b47bb38">boost::gil::view</a></div><div class="ttdeci">const image< Pixel, IsPlanar, Alloc >::view_t & view(image< Pixel, IsPlanar, Alloc > &img)</div><div class="ttdoc">Returns the non-constant-pixel view of an image.</div><div class="ttdef"><b>Definition:</b> image.hpp:538</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1reader__base_html_ab7d83e196429f1866b5116097463791b"><div class="ttname"><a href="structboost_1_1gil_1_1reader__base.html#ab7d83e196429f1866b5116097463791b">boost::gil::reader_base::reader_base</a></div><div class="ttdeci">reader_base()</div><div class="ttdef"><b>Definition:</b> reader_base.hpp:35</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1reader__base_html"><div class="ttname"><a href="structboost_1_1gil_1_1reader__base.html">boost::gil::reader_base</a></div><div class="ttdef"><b>Definition:</b> reader_base.hpp:28</div></div>
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<div class="ttc" id="structboost_1_1gil_1_1reader__base_html_a5d4a087855cec43f12ec8dfa8447f9ae"><div class="ttname"><a href="structboost_1_1gil_1_1reader__base.html#a5d4a087855cec43f12ec8dfa8447f9ae">boost::gil::reader_base::reader_base</a></div><div class="ttdeci">reader_base(const ConversionPolicy &cc)</div><div class="ttdef"><b>Definition:</b> reader_base.hpp:42</div></div>
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