2
0
mirror of https://github.com/boostorg/gil.git synced 2026-01-24 18:02:17 +00:00
Files
gil/html/reference/iterator__from__2d_8hpp_source.html

223 lines
28 KiB
HTML

<!-- HTML header for doxygen 1.8.13-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Generic Image Library: iterator_from_2d.hpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-boost.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div class="boost-header">
<table border="0" cellpadding="7" cellspacing="0" width="100%" summary="header">
<tr>
<td valign="top" width="300">
<h3><a href="../index.html"><img alt="Boost GIL" src="../_static/gil.png" border="0"></a></h3>
</td>
<td ><h1 align="center"><a href="../index.html"></a></h1></td>
<td></td>
</tr>
</table>
</div>
<hr/>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<!-- Generated by Doxygen 1.8.6 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File&#160;List</span></a></li>
<li><a href="globals.html"><span>File&#160;Members</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_1878a3f4746a95c6aad317458cc7ef80.html">boost</a></li><li class="navelem"><a class="el" href="dir_df4750f408086f9b9c1b5ee4251365ff.html">gil</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">iterator_from_2d.hpp</div> </div>
</div><!--header-->
<div class="contents">
<a href="iterator__from__2d_8hpp.html">Go to the documentation of this file.</a><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"> Use, modification and distribution are subject to the Boost Software License,</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> Version 1.0. (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="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#ifndef GIL_ITERATOR_FROM_2D_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GIL_ITERATOR_FROM_2D_H</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;boost/iterator/iterator_facade.hpp&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="gil__concept_8hpp.html">gil_concept.hpp</a>&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="gil__config_8hpp.html">gil_config.hpp</a>&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="pixel__iterator_8hpp.html">pixel_iterator.hpp</a>&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="locator_8hpp.html">locator.hpp</a>&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc2&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1iterator__from__2d.html"> 52</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a> : <span class="keyword">public</span> iterator_facade&lt;iterator_from_2d&lt;Loc2&gt;,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; typename Loc2::value_type,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; std::random_access_iterator_tag,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; typename Loc2::reference,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; typename Loc2::coord_t&gt; {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; GIL_CLASS_REQUIRE(Loc2, boost::gil, <a class="code" href="structboost_1_1gil_1_1_pixel_locator_concept.html">PixelLocatorConcept</a>)</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">typedef</span> iterator_facade&lt;iterator_from_2d&lt;Loc2&gt;,</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keyword">typename</span> Loc2::value_type,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; std::random_access_iterator_tag,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">typename</span> Loc2::reference,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">typename</span> Loc2::coord_t&gt; parent_t;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::reference reference;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::difference_type difference_type;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc2::x_iterator x_iterator;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> Loc2::point_t point_t;</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; std::ptrdiff_t width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _width; } <span class="comment">// number of pixels per image row</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; std::ptrdiff_t x_pos()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _coords.x; } <span class="comment">// current x position</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; std::ptrdiff_t y_pos()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _coords.y; } <span class="comment">// current y position</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1iterator__from__2d.html#ade1279c4ed222b6efb0867c038765ea1"> 75</a></span>&#160; reference <a class="code" href="classboost_1_1gil_1_1iterator__from__2d.html#ade1279c4ed222b6efb0867c038765ea1">operator[]</a>(difference_type d)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *(*<span class="keyword">this</span>+d); }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordtype">bool</span> is_1d_traversable()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _p.is_1d_traversable(width()); } <span class="comment">// is there no gap at the end of each row?</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; x_iterator&amp; x() { <span class="keywordflow">return</span> _p.x(); }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; iterator_from_2d(){}</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; iterator_from_2d(<span class="keyword">const</span> Loc2&amp; p, std::ptrdiff_t width, std::ptrdiff_t x=0, std::ptrdiff_t y=0) : _coords(x,y), _width(width), _p(p) {}</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; iterator_from_2d(<span class="keyword">const</span> iterator_from_2d&amp; pit) : _coords(pit._coords), _width(pit._width), _p(pit._p) {}</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; iterator_from_2d(<span class="keyword">const</span> iterator_from_2d&lt;Loc&gt;&amp; pit) : _coords(pit._coords), _width(pit._width), _p(pit._p) {}</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="keyword">friend</span> <span class="keyword">class </span>iterator_from_2d;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span>boost::iterator_core_access;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; reference dereference()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *_p; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordtype">void</span> increment() {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; ++_coords.x;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; ++_p.x();</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">if</span> (_coords.x&gt;=_width) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; _coords.x=0;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; ++_coords.y;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; _p+=point_t(-_width,1);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; } </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">void</span> decrement() {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; --_coords.x;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; --_p.x();</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">if</span> (_coords.x&lt;0) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; _coords.x=_width-1;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; --_coords.y;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; _p+=point_t(_width,-1);</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; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; BOOST_FORCEINLINE <span class="keywordtype">void</span> advance(difference_type d) { </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">if</span> (_width==0) <span class="keywordflow">return</span>; <span class="comment">// unfortunately we need to check for that. Default-constructed images have width of 0 and the code below will throw if executed.</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; point_t delta;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keywordflow">if</span> (_coords.x+d&gt;=0) { <span class="comment">// not going back to a previous row?</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; delta.x=(_coords.x+(std::ptrdiff_t)d)%_width - _coords.x;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; delta.y=(_coords.x+(std::ptrdiff_t)d)/_width;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; delta.x=(_coords.x+(std::ptrdiff_t)d*(1-_width))%_width -_coords.x;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; delta.y=-(_width-_coords.x-(std::ptrdiff_t)d-1)/_width;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; } </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; _p+=delta;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; _coords.x+=delta.x;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; _coords.y+=delta.y;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; difference_type distance_to(<span class="keyword">const</span> iterator_from_2d&amp; it)<span class="keyword"> const </span>{ </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">if</span> (_width==0) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keywordflow">return</span> (it.y_pos()-_coords.y)*_width + (it.x_pos()-_coords.x);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">equal</a>(<span class="keyword">const</span> iterator_from_2d&amp; it)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; assert(_width==it.width()); <span class="comment">// they must belong to the same image</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">return</span> _coords==it._coords &amp;&amp; _p==it._p;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; point2&lt;std::ptrdiff_t&gt; _coords;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; std::ptrdiff_t _width;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; Loc2 _p;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;};</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="keyword">struct </span>const_iterator_type&lt;iterator_from_2d&lt;Loc&gt; &gt; {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keyword">typedef</span> iterator_from_2d&lt;typename Loc::const_t&gt; type;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;};</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;<span class="keyword">struct </span>iterator_is_mutable&lt;iterator_from_2d&lt;Loc&gt; &gt; : <span class="keyword">public</span> iterator_is_mutable&lt;typename Loc::x_iterator&gt; {};</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="comment">// HasDynamicXStepTypeConcept</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="keyword">struct </span>dynamic_x_step_type&lt;iterator_from_2d&lt;Loc&gt; &gt; {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keyword">typedef</span> iterator_from_2d&lt;typename dynamic_x_step_type&lt;Loc&gt;::type&gt; type;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;};</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="comment">// PixelBasedConcept</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="keyword">struct </span>color_space_type&lt;iterator_from_2d&lt;Loc&gt; &gt; : <span class="keyword">public</span> color_space_type&lt;Loc&gt; {};</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="keyword">struct </span>channel_mapping_type&lt;iterator_from_2d&lt;Loc&gt; &gt; : <span class="keyword">public</span> channel_mapping_type&lt;Loc&gt; {};</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="keyword">struct </span>is_planar&lt;iterator_from_2d&lt;Loc&gt; &gt; : <span class="keyword">public</span> is_planar&lt;Loc&gt; {};</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Loc&gt; <span class="comment">// Models PixelLocatorConcept</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="keyword">struct </span>channel_type&lt;iterator_from_2d&lt;Loc&gt; &gt; : <span class="keyword">public</span> channel_type&lt;Loc&gt; {};</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;} } <span class="comment">// namespace boost::gil</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="locator_8hpp_html"><div class="ttname"><a href="locator_8hpp.html">locator.hpp</a></div><div class="ttdoc">pixel 2D locator </div></div>
<div class="ttc" id="gil__concept_8hpp_html"><div class="ttname"><a href="gil__concept_8hpp.html">gil_concept.hpp</a></div><div class="ttdoc">Concept check classes for GIL concepts. </div></div>
<div class="ttc" id="classboost_1_1gil_1_1iterator__from__2d_html"><div class="ttname"><a href="classboost_1_1gil_1_1iterator__from__2d.html">boost::gil::iterator_from_2d</a></div><div class="ttdoc">Provides 1D random-access navigation to the pixels of the image. Models: PixelIteratorConcept, PixelBasedConcept, HasDynamicXStepTypeConcept. </div><div class="ttdef"><b>Definition:</b> iterator_from_2d.hpp:52</div></div>
<div class="ttc" id="structboost_1_1gil_1_1_pixel_locator_concept_html"><div class="ttname"><a href="structboost_1_1gil_1_1_pixel_locator_concept.html">boost::gil::PixelLocatorConcept</a></div><div class="ttdoc">GIL&#39;s 2-dimensional locator over immutable GIL pixels. </div><div class="ttdef"><b>Definition:</b> gil_concept.hpp:1616</div></div>
<div class="ttc" id="pixel__iterator_8hpp_html"><div class="ttname"><a href="pixel__iterator_8hpp.html">pixel_iterator.hpp</a></div><div class="ttdoc">pixel iterator support </div></div>
<div class="ttc" id="group___s_t_l_optimizations_html_ga2902a23650ef266e80874ce5df076079"><div class="ttname"><a href="group___s_t_l_optimizations.html#ga2902a23650ef266e80874ce5df076079">std::equal</a></div><div class="ttdeci">BOOST_FORCEINLINE bool equal(boost::gil::iterator_from_2d&lt; Loc1 &gt; first, boost::gil::iterator_from_2d&lt; Loc1 &gt; last, boost::gil::iterator_from_2d&lt; Loc2 &gt; first2)</div><div class="ttdoc">std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d </div><div class="ttdef"><b>Definition:</b> algorithm.hpp:934</div></div>
<div class="ttc" id="classboost_1_1gil_1_1iterator__from__2d_html_ade1279c4ed222b6efb0867c038765ea1"><div class="ttname"><a href="classboost_1_1gil_1_1iterator__from__2d.html#ade1279c4ed222b6efb0867c038765ea1">boost::gil::iterator_from_2d::operator[]</a></div><div class="ttdeci">reference operator[](difference_type d) const </div><div class="ttdef"><b>Definition:</b> iterator_from_2d.hpp:75</div></div>
<div class="ttc" id="gil__config_8hpp_html"><div class="ttname"><a href="gil__config_8hpp.html">gil_config.hpp</a></div><div class="ttdoc">GIL configuration file. </div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- HTML footer for doxygen 1.8.13-->
<!-- start footer part -->
<hr class="footer"/>
<address class="footer">
<small>
Generated on Tue Aug 21 2018 14:16:55 for Generic Image Library by &#160;<a href="http://www.doxygen.org/index.html">doxygen</a> 1.8.6
</small>
</address>
</body>
</html>