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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, Andreas Pokorny, Lubomir Bourdev</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_BASE_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define BOOST_GIL_IO_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/extension/toolbox/toolbox.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/gil/bit_aligned_pixel_reference.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/gil/bit_aligned_pixel_iterator.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/gil/color_convert.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <boost/gil/utilities.hpp></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/gil/io/error.hpp></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <boost/gil/io/typedefs.hpp></span></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">#include <istream></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ostream></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <vector></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>boost { <span class="keyword">namespace </span>gil {</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">struct </span>format_tag {};</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">template</span>< <span class="keyword">typename</span> Property ></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">struct </span>property_base</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">using</span> type = Property;</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> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">template</span><<span class="keyword">typename</span> FormatTag></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">struct </span>is_format_tag : std::is_base_of<format_tag, FormatTag> {};</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> <span class="keyword">struct </span>image_read_settings_base</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  image_read_settings_base()</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  : _top_left( 0, 0 )</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  , _dim ( 0, 0 )</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {}</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  image_read_settings_base( <span class="keyword">const</span> point_t& top_left</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  , <span class="keyword">const</span> point_t& dim</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>  : _top_left( top_left )</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  , _dim ( dim )</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {}</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> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">public</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="keywordtype">void</span> set( <span class="keyword">const</span> point_t& top_left</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  , <span class="keyword">const</span> point_t& dim</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  )</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>  _top_left = top_left;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  _dim = dim;</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> <span class="keyword">public</span>:</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  point_t _top_left;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  point_t _dim;</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="l00076"></a><span class="lineno"> 76</span> <span class="comment">// Depending on image type the parameter Pixel can be a reference type</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// for bit_aligned images or a pixel for byte images.</span></div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1is__read__supported.html"> 78</a></span> <span class="keyword">template</span>< <span class="keyword">typename</span> Pixel, <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1is__read__supported.html">is_read_supported</a> {};</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Pixel, <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>is_write_supported {};</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> <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Property ></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">struct </span>property_base</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">using</span> type = Property;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</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> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">struct </span>read_support_true { <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> is_supported = <span class="keyword">true</span>; };</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">struct </span>read_support_false { <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> is_supported = <span class="keyword">false</span>; };</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">struct </span>write_support_true { <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> is_supported = <span class="keyword">true</span>; };</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">struct </span>write_support_false{ <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> is_supported = <span class="keyword">false</span>; };</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">class </span>no_log {};</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>reader_backend;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">template</span>< <span class="keyword">typename</span> Device, <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>writer_backend;</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> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>image_read_info;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag > <span class="keyword">struct </span>image_read_settings;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">template</span>< <span class="keyword">typename</span> FormatTag, <span class="keyword">typename</span> Log = no_log > <span class="keyword">struct </span>image_write_info;</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">// namespace gil</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> } <span class="comment">// namespace boost</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> <span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1is__read__supported_html"><div class="ttname"><a href="structboost_1_1gil_1_1is__read__supported.html">boost::gil::is_read_supported</a></div><div class="ttdef"><b>Definition:</b> base.hpp:78</div></div>
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