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--> <div class="header"> <div class="headertitle"> <div class="title">RectangleIntersectionBuilder.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2014 Mika Heiskanen <mika.heiskanen@fmi.fi></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * See the COPYING file for more information.</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef GEOS_OP_INTERSECTION_RECTANGLEINTERSECTIONBUILDER_H</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_INTERSECTION_RECTANGLEINTERSECTIONBUILDER_H</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <memory></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <list></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">class </span>Geometry;</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">class </span>GeometryFactory;</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">class </span>Polygon;</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">class </span>LineString;</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">class </span>Point;</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">namespace </span>operation {</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">namespace </span>intersection {</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">class </span>Rectangle;</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> }</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span>intersection { <span class="comment">// geos::operation::intersection</span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> <div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder.html"> 63</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder.html">RectangleIntersectionBuilder</a></div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// Regular users are not supposed to use this utility class.</span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersection.html">RectangleIntersection</a>;</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  ~<a class="code" href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder.html">RectangleIntersectionBuilder</a>();</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::auto_ptr<geom::Geometry> build();</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">void</span> reconnectPolygons(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1intersection_1_1Rectangle.html">Rectangle</a> & rect);</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span> reconnect();</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">void</span> reverseLines();</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span> release(<a class="code" href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder.html">RectangleIntersectionBuilder</a> & parts);</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Adding Geometry components</span></div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span> add(<a class="code" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a> * g);</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">void</span> add(<a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> * g);</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">void</span> add(<a class="code" href="classgeos_1_1geom_1_1Point.html">geom::Point</a> * g);</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// Trivial methods</span></div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">bool</span> empty() <span class="keyword">const</span>;</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">void</span> clear();</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// Added components</span></div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::list<geom::Polygon *> polygons;</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  std::list<geom::LineString *> lines;</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::list<geom::Point *> points;</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">void</span> close_boundary(</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1intersection_1_1Rectangle.html">Rectangle</a> & rect,</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  std::vector<geom::Coordinate> * ring,</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1,</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2);</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">void</span> close_ring(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1intersection_1_1Rectangle.html">Rectangle</a> & rect, std::vector<geom::Coordinate> * ring);</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder.html">RectangleIntersectionBuilder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a>& f)</div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  : _gf(f) {}</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> &_gf;</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> }; <span class="comment">// class RectangleIntersectionBuilder</span></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> } <span class="comment">// namespace geos::operation::intersection</span></div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif // GEOS_OP_INTERSECTION_RECTANGLEINTERSECTIONBUILDER_H</span></div> <div class="ttc" id="classgeos_1_1operation_1_1intersection_1_1RectangleIntersection_html"><div class="ttname"><a href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersection.html">geos::operation::intersection::RectangleIntersection</a></div><div class="ttdoc">Speed-optimized clipping of a Geometry with a rectangle. </div><div class="ttdef"><b>Definition:</b> RectangleIntersection.h:74</div></div> <div class="ttc" id="classgeos_1_1geom_1_1LineString_html"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html">geos::geom::LineString</a></div><div class="ttdef"><b>Definition:</b> LineString.h:70</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Polygon_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Polygon.html">geos::geom::Polygon</a></div><div class="ttdoc">Represents a linear polygon, which may include holes. </div><div class="ttdef"><b>Definition:</b> Polygon.h:66</div></div> <div class="ttc" id="classgeos_1_1geom_1_1GeometryFactory_html"><div class="ttname"><a href="classgeos_1_1geom_1_1GeometryFactory.html">geos::geom::GeometryFactory</a></div><div class="ttdoc">Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...</div><div class="ttdef"><b>Definition:</b> GeometryFactory.h:67</div></div> <div class="ttc" id="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder_html"><div class="ttname"><a href="classgeos_1_1operation_1_1intersection_1_1RectangleIntersectionBuilder.html">geos::operation::intersection::RectangleIntersectionBuilder</a></div><div class="ttdoc">Rebuild geometries from subpaths left by clipping with a rectangle. </div><div class="ttdef"><b>Definition:</b> RectangleIntersectionBuilder.h:63</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Point_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Point.html">geos::geom::Point</a></div><div class="ttdef"><b>Definition:</b> Point.h:67</div></div> <div class="ttc" id="classgeos_1_1operation_1_1intersection_1_1Rectangle_html"><div class="ttname"><a href="classgeos_1_1operation_1_1intersection_1_1Rectangle.html">geos::operation::intersection::Rectangle</a></div><div class="ttdoc">Clipping rectangle. </div><div class="ttdef"><b>Definition:</b> Rectangle.h:51</div></div> </div><!-- fragment --></div><!-- 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