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<div class="title">virtual_locator.hpp</div> </div>
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<a href="virtual__locator_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;</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#ifndef GIL_VIRTUAL_LOCATOR_HPP</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GIL_VIRTUAL_LOCATOR_HPP</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</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="position__iterator_8hpp.html">position_iterator.hpp</a>&quot;</span></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="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Deref, <span class="keywordtype">bool</span> IsTransposed&gt; <span class="comment">// A function object that given a point returns a reference. Models PixelDereferenceAdaptorConcept</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1virtual__2d__locator.html"> 34</a></span>&#160;<span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator</a> : <span class="keyword">public</span> <a class="code" href="classboost_1_1gil_1_1pixel__2d__locator__base.html">pixel_2d_locator_base</a>&lt;virtual_2d_locator&lt;Deref,IsTransposed&gt;, position_iterator&lt;Deref,IsTransposed&gt;, position_iterator&lt;Deref,1-IsTransposed&gt; &gt; {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">typedef</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;Deref,IsTransposed&gt;</a> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">this_t</a>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">typedef</span> <a class="code" href="classboost_1_1gil_1_1pixel__2d__locator__base.html">pixel_2d_locator_base&lt;virtual_2d_locator&lt;Deref,IsTransposed&gt;</a>, <a class="code" href="structboost_1_1gil_1_1position__iterator.html">position_iterator&lt;Deref,IsTransposed&gt;</a>, <a class="code" href="structboost_1_1gil_1_1position__iterator.html">position_iterator</a>&lt;Deref,1-IsTransposed&gt; &gt; <a class="code" href="classboost_1_1gil_1_1pixel__2d__locator__base.html">parent_t</a>;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">typedef</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;typename Deref::const_t,IsTransposed&gt;</a> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">const_t</a>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">typedef</span> Deref deref_fn_t;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classboost_1_1gil_1_1point2.html">parent_t::point_t</a> <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::coord_t coord_t;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::x_coord_t x_coord_t;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> parent_t::y_coord_t y_coord_t;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1position__iterator.html">parent_t::x_iterator</a> <a class="code" href="structboost_1_1gil_1_1position__iterator.html">x_iterator</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structboost_1_1gil_1_1position__iterator.html">parent_t::y_iterator</a> <a class="code" href="structboost_1_1gil_1_1position__iterator.html">y_iterator</a>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> NewDeref&gt; <span class="keyword">struct </span>add_deref {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">typedef</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;deref_compose&lt;NewDeref,Deref&gt;</a>,IsTransposed &gt; type;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">static</span> type make(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;Deref,IsTransposed&gt;</a>&amp; loc, <span class="keyword">const</span> NewDeref&amp; nderef) { </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> type(loc.pos(), loc.step(), <a class="code" href="classboost_1_1gil_1_1deref__compose.html">deref_compose&lt;NewDeref,Deref&gt;</a>(nderef,loc.deref_fn())); </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; };</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>&amp; p=<a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>(0,0), <span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>&amp; step=<a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>(1,1), <span class="keyword">const</span> deref_fn_t&amp; d=deref_fn_t()) : _p(p,step,d) {}</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt; <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;D,TR&gt;</a>&amp; loc, coord_t y_step)</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; : _p(loc.pos(), <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>(loc.step().x,loc.step().y*y_step), loc.deref_fn()) {}</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> D, <span class="keywordtype">bool</span> TR&gt; virtual_2d_locator(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;D,TR&gt;</a>&amp; loc, coord_t x_step, coord_t y_step, <span class="keywordtype">bool</span> transpose=<span class="keyword">false</span>)</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; : _p(loc.pos(), transpose ? </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>(loc.step().x*y_step,loc.step().y*x_step) : </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>(loc.step().x*x_step,loc.step().y*y_step), loc.deref_fn()) { assert(transpose==(IsTransposed!=TR));}</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; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt; virtual_2d_locator(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator&lt;D,TR&gt;</a>&amp; pl) : _p(pl._p) {}</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; virtual_2d_locator(<span class="keyword">const</span> virtual_2d_locator&amp; pl) : _p(pl._p) {}</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">this_t</a>&amp; p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _p==p._p; }</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; <a class="code" href="structboost_1_1gil_1_1position__iterator.html">x_iterator</a>&amp; x() { <span class="keywordflow">return</span> *gil_reinterpret_cast&lt;<a class="code" href="structboost_1_1gil_1_1position__iterator.html">x_iterator</a>*&gt;(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="structboost_1_1gil_1_1position__iterator.html">y_iterator</a>&amp; y() { <span class="keywordflow">return</span> _p; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <a class="code" href="structboost_1_1gil_1_1position__iterator.html">x_iterator</a> <span class="keyword">const</span>&amp; x()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *gil_reinterpret_cast_c&lt;x_iterator const*&gt;(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <a class="code" href="structboost_1_1gil_1_1position__iterator.html">y_iterator</a> <span class="keyword">const</span>&amp; y()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _p; }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="comment">// Returns the y distance between two x_iterators given the difference of their x positions</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; y_coord_t y_distance_to(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">this_t</a>&amp; it2, x_coord_t)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (it2.pos()[1-IsTransposed] - pos()[1-IsTransposed])/step()[1-IsTransposed]; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordtype">bool</span> is_1d_traversable(x_coord_t)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; } <span class="comment">// is there no gap at the end of each row? I.e. can we use x_iterator to visit every pixel instead of nested loops?</span></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">// Methods specific for virtual 2D locator</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>&amp; pos()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _p.pos(); }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1point2.html">point_t</a>&amp; step()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _p.step(); }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">const</span> deref_fn_t&amp; deref_fn()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _p.deref_fn(); }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="keyword">private</span>:</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> D, <span class="keywordtype">bool</span> TR&gt; <span class="keyword">friend</span> <span class="keyword">class </span>virtual_2d_locator;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <a class="code" href="structboost_1_1gil_1_1position__iterator.html">y_iterator</a> _p; <span class="comment">// contains the current position, the step and the dereference object</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;};</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment">// PixelBasedConcept</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="keyword">struct </span>channel_type&lt;<a class="code" href="classboost_1_1gil_1_1virtual__2d__locator.html">virtual_2d_locator</a>&lt;D,TR&gt; &gt; : <span class="keyword">public</span> channel_type&lt;typename virtual_2d_locator&lt;D,TR&gt;::parent_t&gt; {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;};</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="keyword">struct </span>color_space_type&lt;virtual_2d_locator&lt;D,TR&gt; &gt; : <span class="keyword">public</span> color_space_type&lt;typename virtual_2d_locator&lt;D,TR&gt;::parent_t&gt; {</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;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="keyword">struct </span>channel_mapping_type&lt;virtual_2d_locator&lt;D,TR&gt; &gt; : <span class="keyword">public</span> channel_mapping_type&lt;typename virtual_2d_locator&lt;D,TR&gt;::parent_t&gt; {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;};</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="keyword">struct </span>is_planar&lt;virtual_2d_locator&lt;D,TR&gt; &gt; : <span class="keyword">public</span> is_planar&lt;typename virtual_2d_locator&lt;D,TR&gt;::parent_t&gt; {</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="l00108"></a><span class="lineno"> 108</span>&#160;<span class="comment">// HasDynamicXStepTypeConcept</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="keyword">struct </span>dynamic_x_step_type&lt;virtual_2d_locator&lt;D,TR&gt; &gt; {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">typedef</span> virtual_2d_locator&lt;D,TR&gt; type;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;};</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="comment">// HasDynamicYStepTypeConcept</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> TR&gt;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="keyword">struct </span>dynamic_y_step_type&lt;virtual_2d_locator&lt;D,TR&gt; &gt; {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">typedef</span> virtual_2d_locator&lt;D,TR&gt; type;</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;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="comment">// HasTransposedTypeConcept</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> D, <span class="keywordtype">bool</span> IsTransposed&gt;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="keyword">struct </span>transposed_type&lt;virtual_2d_locator&lt;D,IsTransposed&gt; &gt; {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">typedef</span> virtual_2d_locator&lt;D,1-IsTransposed&gt; type;</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;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;} } <span class="comment">// namespace boost::gil</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="classboost_1_1gil_1_1pixel__2d__locator__base_html"><div class="ttname"><a href="classboost_1_1gil_1_1pixel__2d__locator__base.html">boost::gil::pixel_2d_locator_base</a></div><div class="ttdoc">base class for models of PixelLocatorConceptPixel locator is similar to a pixel iterator, but allows for 2D navigation of pixels within an image view. It has a 2D difference_type and supports random access operations like: </div><div class="ttdef"><b>Definition:</b> locator.hpp:118</div></div>
<div class="ttc" id="structboost_1_1gil_1_1position__iterator_html"><div class="ttname"><a href="structboost_1_1gil_1_1position__iterator.html">boost::gil::position_iterator</a></div><div class="ttdoc">An iterator that remembers its current X,Y position and invokes a function object with it upon derefe...</div><div class="ttdef"><b>Definition:</b> position_iterator.hpp:40</div></div>
<div class="ttc" id="classboost_1_1gil_1_1virtual__2d__locator_html"><div class="ttname"><a href="classboost_1_1gil_1_1virtual__2d__locator.html">boost::gil::virtual_2d_locator</a></div><div class="ttdoc">A 2D locator over a virtual image. Upon dereferencing, invokes a given function object passing it its...</div><div class="ttdef"><b>Definition:</b> virtual_locator.hpp:34</div></div>
<div class="ttc" id="position__iterator_8hpp_html"><div class="ttname"><a href="position__iterator_8hpp.html">position_iterator.hpp</a></div><div class="ttdoc">Locator for virtual image views. </div></div>
<div class="ttc" id="classboost_1_1gil_1_1deref__compose_html"><div class="ttname"><a href="classboost_1_1gil_1_1deref__compose.html">boost::gil::deref_compose</a></div><div class="ttdoc">Composes two dereference function objects. Similar to std::unary_compose but needs to pull some typed...</div><div class="ttdef"><b>Definition:</b> utilities.hpp:196</div></div>
<div class="ttc" id="classboost_1_1gil_1_1point2_html"><div class="ttname"><a href="classboost_1_1gil_1_1point2.html">boost::gil::point2</a></div><div class="ttdoc">2D point both axes of which have the same dimension typeModels: Point2DConcept </div><div class="ttdef"><b>Definition:</b> gil_concept.hpp:52</div></div>
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