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  41 <h1>pixel_iterator_adaptor.hpp File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
  42 pixel step iterator, pixel image iterator and pixel dereference iterator
  43 <p>
  44 <dl class="author" compact><dt><b>Author:</b></dt><dd>Lubomir Bourdev and Hailin Jin <br>
  45  Adobe Systems Incorporated </dd></dl>
  46 <dl class="date" compact><dt><b>Date:</b></dt><dd>2005-2007 <br>
  47  Last updated on February 16, 2007 </dd></dl>
  48
  49 <p>
  50 <code>#include &lt;iterator&gt;</code><br>
  51 <code>#include &lt;boost/iterator/iterator_facade.hpp&gt;</code><br>
  52 <code>#include &quot;<a class="el" href="g_i_l_0093.html">gil_config.hpp</a>&quot;</code><br>
  53 <code>#include &quot;<a class="el" href="g_i_l_0091.html">gil_concept.hpp</a>&quot;</code><br>
  54 <code>#include &quot;<a class="el" href="g_i_l_0242.html">pixel_iterator.hpp</a>&quot;</code><br>
  55
  56 <p>
  57 <a href="g_i_l_0244.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
  58 <tr><td></td></tr>
  59 <tr><td colspan="2"><br><h2>Namespaces</h2></td></tr>
  60 <tr><td class="memItemLeft" nowrap align="right" valign="top">namespace &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceboost.html">boost</a></td></tr>
  61
  62 <tr><td class="memItemLeft" nowrap align="right" valign="top">namespace &nbsp;</td><td class="memItemRight" valign="bottom"><b>boost::gil</b></td></tr>
  63
  64 <tr><td colspan="2"><br><h2>Classes</h2></td></tr>
  65 <tr><td class="memItemLeft" nowrap align="right" valign="top">class &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0026.html">dereference_iterator_adaptor</a></td></tr>
  66
  67 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">An adaptor over an existing iterator that provides for custom filter on dereferencing the object. Models: <a class="el" href="g_i_l_0310.html" title="Iterator adaptor is a forward iterator adapting another forward iterator.">IteratorAdaptorConcept</a>, <a class="el" href="g_i_l_0352.html" title="An STL random access traversal iterator over a model of PixelConcept.">PixelIteratorConcept</a>.  <a href="g_i_l_0026.html#_details">More...</a><br></td></tr>
  68 <tr><td class="memItemLeft" nowrap align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0546.html">iterator_add_deref</a></td></tr>
  69
  70 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns the type (and creates an instance) of an iterator that invokes the given dereference adaptor upon dereferencing.  <a href="g_i_l_0546.html#_details">More...</a><br></td></tr>
  71 <tr><td class="memItemLeft" nowrap align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0547.html">iterator_add_deref&lt; dereference_iterator_adaptor&lt; Iterator, PREV_DEREF &gt;, Deref &gt;</a></td></tr>
  72
  73 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">For dereference iterator adaptors, compose the new function object after the old one.  <a href="g_i_l_0547.html#_details">More...</a><br></td></tr>
  74 <tr><td colspan="2"><br><h2>Functions</h2></td></tr>
  75 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="9783e615a8027c12e4d8100c4a4ecfaa"></a><!-- doxytag: member="pixel_iterator_adaptor.hpp::memunit_step" ref="9783e615a8027c12e4d8100c4a4ecfaa" args="(const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p)" -->
  76 template&lt;typename Iterator, typename DFn&gt; </td></tr>
  77 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">std::iterator_traits&lt; Iterator &gt;<br>
  78 ::difference_type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><b>memunit_step</b> (const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p)</td></tr>
  79
  80 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="1c509aedbfa0ea42647976fe6dce2f24"></a><!-- doxytag: member="pixel_iterator_adaptor.hpp::memunit_distance" ref="1c509aedbfa0ea42647976fe6dce2f24" args="(const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p1, const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p2)" -->
  81 template&lt;typename Iterator, typename DFn&gt; </td></tr>
  82 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">std::iterator_traits&lt; Iterator &gt;<br>
  83 ::difference_type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><b>memunit_distance</b> (const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p1, const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p2)</td></tr>
  84
  85 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="73b4deab513acee2317bc293de70f4a2"></a><!-- doxytag: member="pixel_iterator_adaptor.hpp::memunit_advance" ref="73b4deab513acee2317bc293de70f4a2" args="(dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p, typename std::iterator_traits&lt; Iterator &gt;::difference_type diff)" -->
  86 template&lt;typename Iterator, typename DFn&gt; </td></tr>
  87 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><b>memunit_advance</b> (dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p, typename std::iterator_traits&lt; Iterator &gt;::difference_type diff)</td></tr>
  88
  89 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="40f640c68308c9618c58bdadf7c2d56c"></a><!-- doxytag: member="pixel_iterator_adaptor.hpp::memunit_advanced" ref="40f640c68308c9618c58bdadf7c2d56c" args="(const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p, typename std::iterator_traits&lt; Iterator &gt;::difference_type diff)" -->
  90 template&lt;typename Iterator, typename DFn&gt; </td></tr>
  91 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">dereference_iterator_adaptor<br>
  92 &lt; Iterator, DFn &gt;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><b>memunit_advanced</b> (const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p, typename std::iterator_traits&lt; Iterator &gt;::difference_type diff)</td></tr>
  93
  94 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="70ac8d5c701daf0e9a3c1b4c0f833b48"></a><!-- doxytag: member="pixel_iterator_adaptor.hpp::memunit_advanced_ref" ref="70ac8d5c701daf0e9a3c1b4c0f833b48" args="(const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p, typename std::iterator_traits&lt; Iterator &gt;::difference_type diff)" -->
  95 template&lt;typename Iterator, typename DFn&gt; </td></tr>
  96 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">std::iterator_traits<br>
  97 &lt; dereference_iterator_adaptor<br>
  98 &lt; Iterator, DFn &gt; &gt;::reference&nbsp;</td><td class="memTemplItemRight" valign="bottom"><b>memunit_advanced_ref</b> (const dereference_iterator_adaptor&lt; Iterator, DFn &gt; &amp;p, typename std::iterator_traits&lt; Iterator &gt;::difference_type diff)</td></tr>
  99
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