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<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>
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<div class="title">pixel_iterator_adaptor.hpp</div> </div>
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<a href="pixel__iterator__adaptor_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> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright 2005-2007 Adobe Systems Incorporated</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> </span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Use, modification and distribution are subject to the Boost Software License,</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span></div>
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<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>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/*************************************************************************************************/</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef GIL_PIXEL_ITERATOR_ADAPTOR_H</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor"></span><span class="preprocessor">#define GIL_PIXEL_ITERATOR_ADAPTOR_H</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <iterator></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <boost/iterator/iterator_facade.hpp></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="gil__config_8hpp.html">gil_config.hpp</a>"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="gil__concept_8hpp.html">gil_concept.hpp</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="pixel__iterator_8hpp.html">pixel_iterator.hpp</a>"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="comment">// Models Iterator</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">typename</span> DFn> <span class="comment">// Models Returns the result of dereferencing a given iterator of type Iterator</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html"> 44</a></span> <span class="keyword">class </span><a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a> : <span class="keyword">public</span> iterator_adaptor<dereference_iterator_adaptor<Iterator,DFn>,</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  Iterator,</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  typename DFn::value_type,</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  typename std::iterator_traits<Iterator>::iterator_category,</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  typename DFn::reference,</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  use_default> {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  DFn _deref_fn;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">typedef</span> iterator_adaptor<dereference_iterator_adaptor<Iterator,DFn>,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  Iterator,</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">typename</span> DFn::value_type,</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">typename</span> std::iterator_traits<Iterator>::iterator_category,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">typename</span> DFn::reference,</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  use_default> parent_t;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> DFn::result_type reference;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<Iterator>::difference_type difference_type;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">typedef</span> DFn dereference_fn;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a>() {}</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator1> </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor<Iterator1,DFn></a>& dit) : parent_t(dit.base()), _deref_fn(dit._deref_fn) {}</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a>(Iterator it, DFn deref_fn=DFn()) : parent_t(it), _deref_fn(deref_fn) {}</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator1, <span class="keyword">typename</span> DFn1> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor<Iterator1,DFn1></a>& it) : parent_t(it.base()), _deref_fn(it._deref_fn) {}</div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html#ade1279c4ed222b6efb0867c038765ea1"> 70</a></span>  reference <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html#ade1279c4ed222b6efb0867c038765ea1">operator[]</a>(difference_type d)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *(*<span class="keyword">this</span>+d);}</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// although iterator_adaptor defines these, the default implementation computes distance and compares for zero.</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// it is often faster to just apply the relation operator to the base</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> operator> (<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a>& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference()> p.base_reference(); }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span> operator< (<span class="keyword">const</span> dereference_iterator_adaptor& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference()< p.base_reference(); }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> operator>=(<span class="keyword">const</span> dereference_iterator_adaptor& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference()>=p.base_reference(); }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">bool</span> operator<=(<span class="keyword">const</span> dereference_iterator_adaptor& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference()<=p.base_reference(); }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> dereference_iterator_adaptor& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference()==p.base_reference(); }</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> dereference_iterator_adaptor& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference()!=p.base_reference(); }</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Iterator& base() { <span class="keywordflow">return</span> this->base_reference(); }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> Iterator& base()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this->base_reference(); }</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> DFn& deref_fn()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _deref_fn; }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator1, <span class="keyword">typename</span> DFn1> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">friend</span> <span class="keyword">class </span>dereference_iterator_adaptor;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">friend</span> <span class="keyword">class </span>boost::iterator_core_access;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  reference dereference()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _deref_fn(*(this->base_reference())); }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> };</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn> </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">struct </span>const_iterator_type<dereference_iterator_adaptor<I,DFn> > { </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">typedef</span> dereference_iterator_adaptor<typename const_iterator_type<I>::type,<span class="keyword">typename</span> DFn::const_t> type; </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn> </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">struct </span>iterator_is_mutable<dereference_iterator_adaptor<I,DFn> > : <span class="keyword">public</span> mpl::bool_<DFn::is_mutable> {};</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">struct </span>is_iterator_adaptor<dereference_iterator_adaptor<I,DFn> > : <span class="keyword">public</span> mpl::true_{};</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">struct </span>iterator_adaptor_get_base<dereference_iterator_adaptor<I,DFn> > {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">typedef</span> I type;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> };</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn, <span class="keyword">typename</span> NewBaseIterator></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">struct </span>iterator_adaptor_rebind<dereference_iterator_adaptor<I,DFn>,NewBaseIterator> {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">typedef</span> dereference_iterator_adaptor<NewBaseIterator,DFn> type;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> };</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// PixelBasedConcept</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"></span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">struct </span>color_space_type<dereference_iterator_adaptor<I,DFn> > : <span class="keyword">public</span> color_space_type<typename DFn::value_type> {};</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">struct </span>channel_mapping_type<dereference_iterator_adaptor<I,DFn> > : <span class="keyword">public</span> channel_mapping_type<typename DFn::value_type> {};</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">struct </span>is_planar<dereference_iterator_adaptor<I,DFn> > : <span class="keyword">public</span> is_planar<typename DFn::value_type> {};</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">template</span> <<span class="keyword">typename</span> I, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">struct </span>channel_type<dereference_iterator_adaptor<I,DFn> > : <span class="keyword">public</span> channel_type<typename DFn::value_type> {};</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// MemoryBasedIteratorConcept</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"></span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">struct </span>byte_to_memunit<dereference_iterator_adaptor<Iterator,DFn> > : <span class="keyword">public</span> byte_to_memunit<Iterator> {};</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">inline</span> <span class="keyword">typename</span> std::iterator_traits<Iterator>::difference_type </div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> memunit_step(<span class="keyword">const</span> dereference_iterator_adaptor<Iterator,DFn>& p) { </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> memunit_step(p.base());</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">inline</span> <span class="keyword">typename</span> std::iterator_traits<Iterator>::difference_type </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> memunit_distance(<span class="keyword">const</span> dereference_iterator_adaptor<Iterator,DFn>& p1, </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> dereference_iterator_adaptor<Iterator,DFn>& p2) { </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> memunit_distance(p1.base(),p2.base()); </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> }</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> memunit_advance(dereference_iterator_adaptor<Iterator,DFn>& p, </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">typename</span> std::iterator_traits<Iterator>::difference_type diff) { </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  memunit_advance(p.base(), diff);</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> }</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">inline</span> dereference_iterator_adaptor<Iterator,DFn> </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> memunit_advanced(<span class="keyword">const</span> dereference_iterator_adaptor<Iterator,DFn>& p, </div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">typename</span> std::iterator_traits<Iterator>::difference_type diff) { </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> dereference_iterator_adaptor<Iterator,DFn>(memunit_advanced(p.base(), diff), p.deref_fn()); </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">inline</span> </div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">typename</span> std::iterator_traits<dereference_iterator_adaptor<Iterator,DFn> >::reference </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> memunit_advanced_ref(<span class="keyword">const</span> dereference_iterator_adaptor<Iterator,DFn>& p, </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">typename</span> std::iterator_traits<Iterator>::difference_type diff) { </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> *memunit_advanced(p, diff);</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> }</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// HasDynamicXStepTypeConcept</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"></span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> DFn></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">struct </span>dynamic_x_step_type<dereference_iterator_adaptor<Iterator,DFn> > {</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">typedef</span> dereference_iterator_adaptor<typename dynamic_x_step_type<Iterator>::type,DFn> type;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> };</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> Deref></div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">struct </span>iterator_add_deref {</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  GIL_CLASS_REQUIRE(Deref, boost::gil, PixelDereferenceAdaptorConcept)</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  typedef dereference_iterator_adaptor<Iterator, Deref> type;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  static type make(const Iterator& it, const Deref& d) { <span class="keywordflow">return</span> type(it,d); }</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> };</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> PREV_DEREF, <span class="keyword">typename</span> Deref></div>
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<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1iterator__add__deref_3_01dereference__iterator__adaptor_3_01_iterator_00_0927b7f3fa453e9b4decea8a0c8e52f27.html"> 196</a></span> <span class="keyword">struct </span><a class="code" href="structboost_1_1gil_1_1iterator__add__deref.html">iterator_add_deref</a><<a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor</a><Iterator, PREV_DEREF>,Deref> {</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// GIL_CLASS_REQUIRE(Deref, boost::gil, PixelDereferenceAdaptorConcept)</span></div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">typedef</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor<Iterator, deref_compose<Deref,PREV_DEREF></a> > <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">type</a>;</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">static</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">type</a> make(<span class="keyword">const</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">dereference_iterator_adaptor<Iterator, PREV_DEREF></a>& it, <span class="keyword">const</span> Deref& d) { </div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> <a class="code" href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">type</a>(it.base(),<a class="code" href="classboost_1_1gil_1_1deref__compose.html">deref_compose<Deref,PREV_DEREF></a>(d,it.deref_fn())); </div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> };</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> } } <span class="comment">// namespace boost::gil</span></div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="structboost_1_1gil_1_1iterator__add__deref_html"><div class="ttname"><a href="structboost_1_1gil_1_1iterator__add__deref.html">boost::gil::iterator_add_deref</a></div><div class="ttdoc">Returns the type (and creates an instance) of an iterator that invokes the given dereference adaptor ...</div><div class="ttdef"><b>Definition:</b> locator.hpp:38</div></div>
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<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>
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<div class="ttc" id="classboost_1_1gil_1_1dereference__iterator__adaptor_html"><div class="ttname"><a href="classboost_1_1gil_1_1dereference__iterator__adaptor.html">boost::gil::dereference_iterator_adaptor</a></div><div class="ttdoc">An adaptor over an existing iterator that provides for custom filter on dereferencing the object...</div><div class="ttdef"><b>Definition:</b> pixel_iterator_adaptor.hpp:44</div></div>
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<div class="ttc" id="classboost_1_1gil_1_1dereference__iterator__adaptor_html_ade1279c4ed222b6efb0867c038765ea1"><div class="ttname"><a href="classboost_1_1gil_1_1dereference__iterator__adaptor.html#ade1279c4ed222b6efb0867c038765ea1">boost::gil::dereference_iterator_adaptor::operator[]</a></div><div class="ttdeci">reference operator[](difference_type d) const </div><div class="ttdef"><b>Definition:</b> pixel_iterator_adaptor.hpp:70</div></div>
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<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>
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<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>
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<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>
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