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  50 <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#ifndef BOOST_GIL_CONCEPTS_POINT_HPP</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#define BOOST_GIL_CONCEPTS_POINT_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;boost/gil/concepts/basic.hpp&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;boost/gil/concepts/concept_check.hpp&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#if defined(BOOST_CLANG)</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#pragma clang diagnostic push</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#pragma clang diagnostic ignored &quot;-Wunused-local-typedefs&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#if defined(BOOST_GCC) &amp;&amp; (BOOST_GCC &gt;= 40900)</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#pragma GCC diagnostic push</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#pragma GCC diagnostic ignored &quot;-Wunused-local-typedefs&quot;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">// Forward declarations</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">class </span>point;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> K, <span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;T <span class="keyword">const</span>&amp; axis_value(point&lt;T&gt; <span class="keyword">const</span>&amp; p);</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> K, <span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;T&amp; axis_value(point&lt;T&gt;&amp; p);</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_point_n_d_concept.html">   60</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_point_n_d_concept.html">PointNDConcept</a></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;{</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordtype">void</span> constraints()</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    {</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        gil_function_requires&lt;Regular&lt;P&gt;&gt;();</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keyword">using</span> value_type = <span class="keyword">typename</span> P::value_type;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        ignore_unused_variable_warning(value_type{});</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="keyword">static</span> <span class="keyword">const</span> std::size_t N = P::num_dimensions;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        ignore_unused_variable_warning(N);</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keyword">using</span> FT = <span class="keyword">typename</span> P::template axis&lt;0&gt;::coord_t;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keyword">using</span> LT = <span class="keyword">typename</span> P::template axis&lt;N - 1&gt;::coord_t;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        FT ft = gil::axis_value&lt;0&gt;(<a class="code" href="classboost_1_1gil_1_1point.html">point</a>);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        axis_value&lt;0&gt;(<a class="code" href="classboost_1_1gil_1_1point.html">point</a>) = ft;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        LT lt = axis_value&lt;N - 1&gt;(<a class="code" href="classboost_1_1gil_1_1point.html">point</a>);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        axis_value&lt;N - 1&gt;(<a class="code" href="classboost_1_1gil_1_1point.html">point</a>) = lt;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="comment">//value_type v=point[0];</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        <span class="comment">//ignore_unused_variable_warning(v);</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    P <a class="code" href="classboost_1_1gil_1_1point.html">point</a>;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;};</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt;</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1_point2_d_concept.html">  102</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1_point2_d_concept.html">Point2DConcept</a></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;{</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordtype">void</span> constraints()</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    {</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        gil_function_requires&lt;PointNDConcept&lt;P&gt;&gt;();</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        static_assert(P::num_dimensions == 2, <span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <a class="code" href="classboost_1_1gil_1_1point.html">point</a>.x = <a class="code" href="classboost_1_1gil_1_1point.html">point</a>.y;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <a class="code" href="classboost_1_1gil_1_1point.html">point</a>[0] = <a class="code" href="classboost_1_1gil_1_1point.html">point</a>[1];</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    }</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    P <a class="code" href="classboost_1_1gil_1_1point.html">point</a>;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;};</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;}} <span class="comment">// namespace boost::gil</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#if defined(BOOST_CLANG)</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">#pragma clang diagnostic pop</span></div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#if defined(BOOST_GCC) &amp;&amp; (BOOST_GCC &gt;= 40900)</span></div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#pragma GCC diagnostic pop</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="structboost_1_1gil_1_1_point_n_d_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_point_n_d_concept.html">boost::gil::PointNDConcept</a></div><div class="ttdoc">N-dimensional point concept.</div><div class="ttdef"><b>Definition:</b> concepts/point.hpp:60</div></div>
  51 <div class="ttc" id="structboost_1_1gil_1_1_point2_d_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_point2_d_concept.html">boost::gil::Point2DConcept</a></div><div class="ttdoc">2-dimensional point concept</div><div class="ttdef"><b>Definition:</b> concepts/point.hpp:102</div></div>
  52 <div class="ttc" id="classboost_1_1gil_1_1point_html"><div class="ttname"><a href="classboost_1_1gil_1_1point.html">boost::gil::point</a></div><div class="ttdoc">2D point both axes of which have the same dimension typeModels: Point2DConcept</div><div class="ttdef"><b>Definition:</b> locator.hpp:28</div></div>
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