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42 <li class="navelem"><b>boost</b></li><li class="navelem"><b>gil</b></li><li class="navelem"><a class="el" href="structboost_1_1gil_1_1_random_access_n_d_image_view_concept.html">RandomAccessNDImageViewConcept</a></li> </ul>
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51 <div class="title">RandomAccessNDImageViewConcept< View > Struct Template Reference<div class="ingroups"><a class="el" href="group___image_view.html">Image View</a> » <a class="el" href="group___image_view_concept.html">Concepts</a> » <a class="el" href="group___image_view_n_d_concept.html">ImageViewNDLocatorConcept</a></div></div> </div>
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55 <p>N-dimensional view over immutable values.
56 <a href="structboost_1_1gil_1_1_random_access_n_d_image_view_concept.html#details">More...</a></p>
58 <p><code>#include <<a class="el" href="concepts_2image__view_8hpp_source.html">image_view.hpp</a>></code></p>
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63 void </td><td class="memItemRight" valign="bottom"><b>constraints</b> ()</td></tr>
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69 View </td><td class="memItemRight" valign="bottom"><b>view</b></td></tr>
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72 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
73 <div class="textblock"><h3>template<typename View><br />
74 struct boost::gil::RandomAccessNDImageViewConcept< View ></h3>
76 <p>N-dimensional view over immutable values. </p>
77 <div class="fragment"><div class="line">concept RandomAccessNDImageViewConcept<Regular View></div><div class="line">{</div><div class="line"> <span class="keyword">typename</span> value_type;</div><div class="line"> <span class="keyword">typename</span> reference; <span class="comment">// result of dereferencing</span></div><div class="line"> <span class="keyword">typename</span> difference_type; <span class="comment">// result of operator-(iterator,iterator) (1-dimensional!)</span></div><div class="line"> <span class="keyword">typename</span> const_t; where RandomAccessNDImageViewConcept<View>; <span class="comment">// same as View, but over immutable values</span></div><div class="line"> <span class="keyword">typename</span> point_t; where PointNDConcept<point_t>; <span class="comment">// N-dimensional point</span></div><div class="line"> <span class="keyword">typename</span> locator; where RandomAccessNDLocatorConcept<locator>; <span class="comment">// N-dimensional locator.</span></div><div class="line"> <span class="keyword">typename</span> iterator; where RandomAccessTraversalConcept<iterator>; <span class="comment">// 1-dimensional iterator over all values</span></div><div class="line"> <span class="keyword">typename</span> reverse_iterator; where RandomAccessTraversalConcept<reverse_iterator>;</div><div class="line"> <span class="keyword">typename</span> size_type; <span class="comment">// the return value of size()</span></div><div class="line"></div><div class="line"> <span class="comment">// Equivalent to RandomAccessNDLocatorConcept::axis</span></div><div class="line"> <span class="keyword">template</span> <<span class="keywordtype">size_t</span> D> <span class="keyword">struct </span>axis {</div><div class="line"> <span class="keyword">typename</span> coord_t = point_t::axis<D>::coord_t;</div><div class="line"> <span class="keyword">typename</span> iterator; where RandomAccessTraversalConcept<iterator>; <span class="comment">// iterator along D-th axis.</span></div><div class="line"> where SameType<coord_t, iterator::difference_type>;</div><div class="line"> where SameType<iterator::value_type,value_type>;</div><div class="line"> };</div><div class="line"></div><div class="line"> <span class="comment">// Defines the type of a view similar to this type, except it invokes Deref upon dereferencing</span></div><div class="line"> <span class="keyword">template</span> <PixelDereferenceAdaptorConcept Deref> <span class="keyword">struct </span>add_deref {</div><div class="line"> <span class="keyword">typename</span> type; where RandomAccessNDImageViewConcept<type>;</div><div class="line"> <span class="keyword">static</span> type make(<span class="keyword">const</span> View& v, <span class="keyword">const</span> Deref& deref);</div><div class="line"> };</div><div class="line"></div><div class="line"> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> num_dimensions = point_t::num_dimensions;</div><div class="line"></div><div class="line"> <span class="comment">// Create from a locator at the top-left corner and dimensions</span></div><div class="line"> View::View(<span class="keyword">const</span> locator&, <span class="keyword">const</span> point_type&);</div><div class="line"></div><div class="line"> size_type View::size() <span class="keyword">const</span>; <span class="comment">// total number of elements</span></div><div class="line"> reference operator[](View, <span class="keyword">const</span> difference_type&) <span class="keyword">const</span>; <span class="comment">// 1-dimensional reference</span></div><div class="line"> iterator View::begin() <span class="keyword">const</span>;</div><div class="line"> iterator View::end() <span class="keyword">const</span>;</div><div class="line"> reverse_iterator View::rbegin() <span class="keyword">const</span>;</div><div class="line"> reverse_iterator View::rend() <span class="keyword">const</span>;</div><div class="line"> iterator View::at(<span class="keyword">const</span> point_t&);</div><div class="line"> point_t View::dimensions() <span class="keyword">const</span>; <span class="comment">// number of elements along each dimension</span></div><div class="line"> <span class="keywordtype">bool</span> View::is_1d_traversable() <span class="keyword">const</span>; <span class="comment">// can an iterator over the first dimension visit each value? I.e. are there gaps between values?</span></div><div class="line"></div><div class="line"> <span class="comment">// iterator along a given dimension starting at a given point</span></div><div class="line"> <span class="keyword">template</span> <<span class="keywordtype">size_t</span> D> View::axis<D>::iterator View::axis_iterator(<span class="keyword">const</span> point_t&) <span class="keyword">const</span>;</div><div class="line"></div><div class="line"> reference operator()(View,<span class="keyword">const</span> point_t&) <span class="keyword">const</span>;</div><div class="line">};</div></div><!-- fragment --> </div><hr/>The documentation for this struct was generated from the following file:<ul>
78 <li><a class="el" href="concepts_2image__view_8hpp_source.html">concepts/image_view.hpp</a></li>
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