GEOS
3.6.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00007 * Copyright (C) 2006 Refractions Research Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 **********************************************************************/ 00015 00016 #ifndef GEOS_GEOM_UTIL_POLYGONEXTRACTER_H 00017 #define GEOS_GEOM_UTIL_POLYGONEXTRACTER_H 00018 00019 #include <geos/export.h> 00020 #include <geos/geom/GeometryFilter.h> 00021 #include <geos/geom/Polygon.h> 00022 #include <geos/platform.h> 00023 #include <vector> 00024 00025 namespace geos { 00026 namespace geom { // geos.geom 00027 namespace util { // geos.geom.util 00028 00032 class GEOS_DLL PolygonExtracter: public GeometryFilter { 00033 00034 public: 00035 00043 static void getPolygons(const Geometry &geom, std::vector<const Polygon*>& ret); 00044 00049 PolygonExtracter(std::vector<const Polygon*>& newComps); 00050 00051 void filter_rw(Geometry *geom); 00052 00053 void filter_ro(const Geometry *geom); 00054 00055 private: 00056 00058 std::vector<const Polygon*>& comps; 00059 00060 // Declare type as noncopyable 00061 PolygonExtracter(const PolygonExtracter& other); 00062 PolygonExtracter& operator=(const PolygonExtracter& rhs); 00063 }; 00064 00065 } // namespace geos.geom.util 00066 } // namespace geos.geom 00067 } // namespace geos 00068 00069 #endif