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) 2005-2006 Refractions Research Inc. 00007 * Copyright (C) 2001-2002 Vivid Solutions 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 * Last port: operation/valid/SimpleNestedRingTester.java rev. 1.14 (JTS-1.10) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_OP_SIMPLENESTEDRINGTESTER_H 00021 #define GEOS_OP_SIMPLENESTEDRINGTESTER_H 00022 00023 #include <geos/export.h> 00024 00025 #include <cstddef> 00026 #include <vector> 00027 00028 #ifdef _MSC_VER 00029 #pragma warning(push) 00030 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class 00031 #endif 00032 00033 // Forward declarations 00034 namespace geos { 00035 namespace geom { 00036 class Coordinate; 00037 class LinearRing; 00038 } 00039 namespace geomgraph { 00040 class GeometryGraph; 00041 } 00042 } 00043 00044 namespace geos { 00045 namespace operation { // geos::operation 00046 namespace valid { // geos::operation::valid 00047 00054 class GEOS_DLL SimpleNestedRingTester { 00055 private: 00056 geomgraph::GeometryGraph *graph; // used to find non-node vertices 00057 std::vector<geom::LinearRing*> rings; 00058 geom::Coordinate *nestedPt; 00059 public: 00060 SimpleNestedRingTester(geomgraph::GeometryGraph *newGraph) 00061 : 00062 graph(newGraph), 00063 rings(), 00064 nestedPt(NULL) 00065 {} 00066 00067 ~SimpleNestedRingTester() { 00068 } 00069 00070 void add(geom::LinearRing *ring) { 00071 rings.push_back(ring); 00072 } 00073 00074 /* 00075 * Be aware that the returned Coordinate (if != NULL) 00076 * will point to storage owned by one of the LinearRing 00077 * previously added. If you destroy them, this 00078 * will point to an invalid memory address. 00079 */ 00080 geom::Coordinate *getNestedPoint() { 00081 return nestedPt; 00082 } 00083 00084 bool isNonNested(); 00085 }; 00086 00087 } // namespace geos.operation.valid 00088 } // namespace geos.operation 00089 } // namespace geos 00090 00091 #ifdef _MSC_VER 00092 #pragma warning(pop) 00093 #endif 00094 00095 #endif // GEOS_OP_SIMPLENESTEDRINGTESTER_H