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- <title>Generic Image Library: iterator_from_2d< Loc2 > Class Template Reference</title>
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- <li class="navelem"><b>boost</b></li><li class="navelem"><b>gil</b></li><li class="navelem"><a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a></li> </ul>
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- <div class="title">iterator_from_2d< Loc2 > Class Template Reference<div class="ingroups"><a class="el" href="group___pixel_iterator.html">Pixel Iterator</a> » <a class="el" href="group___pixel_iterator_model.html">Models</a> » <a class="el" href="group___pixel_iterator_model_from_locator.html">iterator_from_2d</a><a class="el" href="group___pixel_based.html">PixelBased</a> » | <a class="el" href="group___pixel_based_model.html">Models</a></div></div> </div>
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- <p>Provides 1D random-access navigation to the pixels of the image. Models: <a class="el" href="structboost_1_1gil_1_1_pixel_iterator_concept.html" title="An STL random access traversal iterator over a model of PixelConcept.">PixelIteratorConcept</a>, <a class="el" href="structboost_1_1gil_1_1_pixel_based_concept.html" title="Concept for all pixel-based GIL constructs.">PixelBasedConcept</a>, <a class="el" href="structboost_1_1gil_1_1_has_dynamic_x_step_type_concept.html" title="Concept for iterators, locators and views that can define a type just like the given iterator,...">HasDynamicXStepTypeConcept</a>.
- <a href="classboost_1_1gil_1_1iterator__from__2d.html#details">More...</a></p>
- <p><code>#include <<a class="el" href="iterator__from__2d_8hpp_source.html">iterator_from_2d.hpp</a>></code></p>
- <p>Inherits iterator_facade< iterator_from_2d< Loc2 >, Loc2::value_type, std::random_access_iterator_tag, Loc2::reference, Loc2::coord_t >.</p>
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- <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
- Public Types</h2></td></tr>
- <tr class="memitem:a8e05f46506fc19e0870317ba11a9b3f4"><td class="memItemLeft" align="right" valign="top"><a id="a8e05f46506fc19e0870317ba11a9b3f4"></a>
- using </td><td class="memItemRight" valign="bottom"><b>parent_t</b> = iterator_facade< <a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a>< Loc2 >, typename Loc2::value_type, std::random_access_iterator_tag, typename Loc2::reference, typename Loc2::coord_t ></td></tr>
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- using </td><td class="memItemRight" valign="bottom"><b>reference</b> = typename parent_t::reference</td></tr>
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- using </td><td class="memItemRight" valign="bottom"><b>difference_type</b> = typename parent_t::difference_type</td></tr>
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- using </td><td class="memItemRight" valign="bottom"><b>x_iterator</b> = typename Loc2::x_iterator</td></tr>
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- using </td><td class="memItemRight" valign="bottom"><b>point_t</b> = typename Loc2::point_t</td></tr>
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- std::ptrdiff_t </td><td class="memItemRight" valign="bottom"><b>width</b> () const</td></tr>
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- std::ptrdiff_t </td><td class="memItemRight" valign="bottom"><b>x_pos</b> () const</td></tr>
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- std::ptrdiff_t </td><td class="memItemRight" valign="bottom"><b>y_pos</b> () const</td></tr>
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- <tr class="memitem:a16d8e6857dd561244ca73764f2b94801"><td class="memItemLeft" align="right" valign="top">reference </td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html#a16d8e6857dd561244ca73764f2b94801">operator[]</a> (difference_type d) const</td></tr>
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- bool </td><td class="memItemRight" valign="bottom"><b>is_1d_traversable</b> () const</td></tr>
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- x_iterator & </td><td class="memItemRight" valign="bottom"><b>x</b> ()</td></tr>
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-  </td><td class="memItemRight" valign="bottom"><b>iterator_from_2d</b> (const Loc2 &p, std::ptrdiff_t width, std::ptrdiff_t x=0, std::ptrdiff_t y=0)</td></tr>
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-  </td><td class="memItemRight" valign="bottom"><b>iterator_from_2d</b> (const <a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a> &pit)</td></tr>
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- template<typename Loc > </td></tr>
- <tr class="memitem:a09776b4045a3c08cf268fc2ece1d87ab"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>iterator_from_2d</b> (const <a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a>< Loc > &pit)</td></tr>
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- <a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="classboost_1_1gil_1_1iterator__from__2d.html">iterator_from_2d</a> const &other)=default</td></tr>
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- template<typename Loc > </td></tr>
- <tr class="memitem:a8c1e271678b0091512eb046114c042f6"><td class="memTemplItemLeft" align="right" valign="top">class </td><td class="memTemplItemRight" valign="bottom"><b>iterator_from_2d</b></td></tr>
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- class </td><td class="memItemRight" valign="bottom"><b>boost::iterator_core_access</b></td></tr>
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- <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
- <div class="textblock"><h3>template<typename Loc2><br />
- class boost::gil::iterator_from_2d< Loc2 ></h3>
- <p>Provides 1D random-access navigation to the pixels of the image. Models: <a class="el" href="structboost_1_1gil_1_1_pixel_iterator_concept.html" title="An STL random access traversal iterator over a model of PixelConcept.">PixelIteratorConcept</a>, <a class="el" href="structboost_1_1gil_1_1_pixel_based_concept.html" title="Concept for all pixel-based GIL constructs.">PixelBasedConcept</a>, <a class="el" href="structboost_1_1gil_1_1_has_dynamic_x_step_type_concept.html" title="Concept for iterators, locators and views that can define a type just like the given iterator,...">HasDynamicXStepTypeConcept</a>. </p>
- <p>Pixels are traversed from the top to the bottom row and from the left to the right within each row </p>
- </div><h2 class="groupheader">Member Function Documentation</h2>
- <a id="a16d8e6857dd561244ca73764f2b94801"></a>
- <h2 class="memtitle"><span class="permalink"><a href="#a16d8e6857dd561244ca73764f2b94801">◆ </a></span>operator[]()</h2>
- <div class="memitem">
- <div class="memproto">
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- <tr>
- <td class="mlabels-left">
- <table class="memname">
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- <td class="memname">reference operator[] </td>
- <td>(</td>
- <td class="paramtype">difference_type </td>
- <td class="paramname"><em>d</em></td><td>)</td>
- <td> const</td>
- </tr>
- </table>
- </td>
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- <span class="mlabels"><span class="mlabel">inline</span></span> </td>
- </tr>
- </table>
- </div><div class="memdoc">
- <p>For some reason operator[] provided by iterator_adaptor returns a custom class that is convertible to reference We require our own reference because it is registered in iterator_traits </p>
- </div>
- </div>
- <hr/>The documentation for this class was generated from the following file:<ul>
- <li><a class="el" href="iterator__from__2d_8hpp_source.html">iterator_from_2d.hpp</a></li>
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