00001 /********************************************************************** 00002 * $Id: SimpleNestedRingTester.h 2572 2009-06-08 22:10:55Z strk $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2005-2006 Refractions Research Inc. 00008 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00009 * 00010 * This is free software; you can redistribute and/or modify it under 00011 * the terms of the GNU Lesser General Public Licence as published 00012 * by the Free Software Foundation. 00013 * See the COPYING file for more information. 00014 * 00015 ********************************************************************** 00016 * 00017 * Last port: operation/valid/SimpleNestedRingTester.java rev. 1.14 (JTS-1.10) 00018 * 00019 **********************************************************************/ 00020 00021 #ifndef GEOS_OP_SIMPLENESTEDRINGTESTER_H 00022 #define GEOS_OP_SIMPLENESTEDRINGTESTER_H 00023 00024 #include <geos/export.h> 00025 00026 #include <vector> 00027 00028 // Forward declarations 00029 namespace geos { 00030 namespace geom { 00031 class Coordinate; 00032 class LinearRing; 00033 } 00034 namespace geomgraph { 00035 class GeometryGraph; 00036 } 00037 } 00038 00039 namespace geos { 00040 namespace operation { // geos::operation 00041 namespace valid { // geos::operation::valid 00042 00049 class GEOS_DLL SimpleNestedRingTester { 00050 private: 00051 geomgraph::GeometryGraph *graph; // used to find non-node vertices 00052 std::vector<geom::LinearRing*> rings; 00053 geom::Coordinate *nestedPt; 00054 public: 00055 SimpleNestedRingTester(geomgraph::GeometryGraph *newGraph) 00056 : 00057 graph(newGraph), 00058 rings(), 00059 nestedPt(NULL) 00060 {} 00061 00062 ~SimpleNestedRingTester() { 00063 } 00064 00065 void add(geom::LinearRing *ring) { 00066 rings.push_back(ring); 00067 } 00068 00069 /* 00070 * Be aware that the returned Coordinate (if != NULL) 00071 * will point to storage owned by one of the LinearRing 00072 * previously added. If you destroy them, this 00073 * will point to an invalid memory address. 00074 */ 00075 geom::Coordinate *getNestedPoint() { 00076 return nestedPt; 00077 } 00078 00079 bool isNonNested(); 00080 }; 00081 00082 00083 } // namespace geos.operation.valid 00084 } // namespace geos.operation 00085 } // namespace geos 00086 00087 #endif // GEOS_OP_SIMPLENESTEDRINGTESTER_H 00088 00089 /********************************************************************** 00090 * $Log$ 00091 * Revision 1.1 2006/03/20 16:57:44 strk 00092 * spatialindex.h and opValid.h headers split 00093 * 00094 **********************************************************************/ 00095