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<h1>boost/geometry/strategies/concepts/simplify_concept.hpp</h1><a href="simplify__concept_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Boost.Geometry (aka GGL, Generic Geometry Library)</span>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands.</span>
<a name="l00004"></a>00004 <span class="comment">// Use, modification and distribution is subject to the Boost Software License,</span>
<a name="l00005"></a>00005 <span class="comment">// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
<a name="l00006"></a>00006 <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span>
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="preprocessor">#ifndef BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SIMPLIFY_CONCEPT_HPP</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#define BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SIMPLIFY_CONCEPT_HPP</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;iterator&gt;</span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#include &lt;boost/concept_check.hpp&gt;</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;<a class="code" href="distance__concept_8hpp.html">boost/geometry/strategies/concepts/distance_concept.hpp</a>&gt;</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>geometry { <span class="keyword">namespace </span>concept {
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00026"></a>00026 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Strategy&gt;
<a name="l00027"></a><a class="code" href="structboost_1_1geometry_1_1concept_1_1_simplify_strategy.html">00027</a> <span class="keyword">struct </span><a class="code" href="structboost_1_1geometry_1_1concept_1_1_simplify_strategy.html" title="Checks strategy for simplify.">SimplifyStrategy</a>
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 <span class="preprocessor">#ifndef DOXYGEN_NO_CONCEPT_MEMBERS</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span> <span class="keyword">private</span> :
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// 1) must define distance_strategy_type,</span>
<a name="l00033"></a>00033 <span class="comment">// defining point-segment distance strategy (to be checked)</span>
<a name="l00034"></a>00034 <span class="keyword">typedef</span> <span class="keyword">typename</span> Strategy::distance_strategy_type ds_type;
<a name="l00035"></a>00035
<a name="l00036"></a>00036 BOOST_CONCEPT_ASSERT
<a name="l00037"></a>00037 (
<a name="l00038"></a>00038 (<a class="code" href="structboost_1_1geometry_1_1concept_1_1_point_segment_distance_strategy.html" title="Checks strategy for point-segment-distance.">concept::PointSegmentDistanceStrategy&lt;ds_type&gt;</a>)
<a name="l00039"></a>00039 );
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keyword">struct </span>apply_checker
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__concepts.html#gf8cf30fe5952d0cc1600e2e90c5741e4" title="Checks, in compile-time, the concept of any geometry.">check</a>()
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 Strategy *str;
<a name="l00046"></a>00046 std::vector&lt;typename ds_type::point_type&gt; <span class="keyword">const</span>* v1;
<a name="l00047"></a>00047 std::vector&lt;typename ds_type::point_type&gt; * v2;
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">// 2) must implement method apply with arguments</span>
<a name="l00050"></a>00050 <span class="comment">// - Range</span>
<a name="l00051"></a>00051 <span class="comment">// - OutputIterator</span>
<a name="l00052"></a>00052 <span class="comment">// - floating point value</span>
<a name="l00053"></a>00053 str-&gt;apply(*v1, std::back_inserter(*v2), 1.0);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 boost::ignore_unused_variable_warning(str);
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057 };
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keyword">public</span> :
<a name="l00060"></a>00060 BOOST_CONCEPT_USAGE(<a class="code" href="structboost_1_1geometry_1_1concept_1_1_simplify_strategy.html" title="Checks strategy for simplify.">SimplifyStrategy</a>)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <a class="code" href="group__concepts.html#gf8cf30fe5952d0cc1600e2e90c5741e4" title="Checks, in compile-time, the concept of any geometry.">apply_checker::check</a>();
<a name="l00063"></a>00063
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 <span class="preprocessor">#endif</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span>};
<a name="l00067"></a>00067
<a name="l00068"></a>00068
<a name="l00069"></a>00069
<a name="l00070"></a>00070 }}} <span class="comment">// namespace boost::geometry::concept</span>
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="preprocessor">#endif // BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SIMPLIFY_CONCEPT_HPP</span>
</pre></div></div>
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<p>December 1, 2009</p>
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<small>Copyright © 1995-2009 Barend Gehrels, Geodan, Amsterdam<br>
Copyright © 2008-2009 Bruno Lalande, Paris<br>
Copyright © 2009 Mateusz Loskot, Cadcorp, London<br>
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