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<div class="title">step_iterator_adaptor&lt; Derived, Iterator, SFn &gt; Class Template Reference<div class="ingroups"><a class="el" href="group___pixel_iterator.html">Pixel Iterator</a> &raquo; <a class="el" href="group___pixel_iterator_model.html">Models</a> &raquo; <a class="el" href="group___pixel_iterator_model_step_ptr.html">step iterators</a></div></div>  </div>
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<p>An adaptor over an existing iterator that changes the step unit.  
 <a href="classboost_1_1gil_1_1detail_1_1step__iterator__adaptor.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="step__iterator_8hpp_source.html">step_iterator.hpp</a>&gt;</code></p>

<p>Inherits iterator_adaptor&lt; Derived, Iterator, use_default, use_default, use_default, SFn::difference_type &gt;.</p>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>parent_t</b> = iterator_adaptor&lt; Derived, Iterator, use_default, use_default, use_default, typename SFn::difference_type &gt;</td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>base_difference_type</b> = typename std::iterator_traits&lt; Iterator &gt;::difference_type</td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>difference_type</b> = typename SFn::difference_type</td></tr>
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using&#160;</td><td class="memItemRight" valign="bottom"><b>reference</b> = typename std::iterator_traits&lt; Iterator &gt;::reference</td></tr>
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&#160;</td><td class="memItemRight" valign="bottom"><b>step_iterator_adaptor</b> (const Iterator &amp;it, SFn step_fn=SFn())</td></tr>
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difference_type&#160;</td><td class="memItemRight" valign="bottom"><b>step</b> () const</td></tr>
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SFn&#160;</td><td class="memItemRight" valign="bottom"><b>_step_fn</b></td></tr>
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class&#160;</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&lt;typename Derived, typename Iterator, typename SFn&gt;<br />
class boost::gil::detail::step_iterator_adaptor&lt; Derived, Iterator, SFn &gt;</h3>

<p>An adaptor over an existing iterator that changes the step unit. </p>
<p>(i.e. distance(it,it+1)) by a given predicate. Instead of calling base's operators ++, &ndash;, +=, -=, etc. the adaptor is using the passed policy object SFn for advancing and for computing the distance between iterators. </p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="step__iterator_8hpp_source.html">step_iterator.hpp</a></li>
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