SimpleNestedRingTester.h

00001 /**********************************************************************
00002  * $Id: SimpleNestedRingTester.h 3274 2011-03-26 14:02:20Z 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 <cstddef>
00027 #include <vector>
00028 
00029 #ifdef _MSC_VER
00030 #pragma warning(push)
00031 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00032 #endif
00033 
00034 // Forward declarations
00035 namespace geos {
00036         namespace geom {
00037                 class Coordinate;
00038                 class LinearRing;
00039         }
00040         namespace geomgraph {
00041                 class GeometryGraph;
00042         }
00043 }
00044 
00045 namespace geos {
00046 namespace operation { // geos::operation
00047 namespace valid { // geos::operation::valid
00048 
00055 class GEOS_DLL SimpleNestedRingTester {
00056 private:
00057         geomgraph::GeometryGraph *graph;  // used to find non-node vertices
00058         std::vector<geom::LinearRing*> rings;
00059         geom::Coordinate *nestedPt;
00060 public:
00061         SimpleNestedRingTester(geomgraph::GeometryGraph *newGraph)
00062                 :
00063                 graph(newGraph),
00064                 rings(),
00065                 nestedPt(NULL)
00066         {}
00067 
00068         ~SimpleNestedRingTester() {
00069         }
00070 
00071         void add(geom::LinearRing *ring) {
00072                 rings.push_back(ring);
00073         }
00074 
00075         /*
00076          * Be aware that the returned Coordinate (if != NULL)
00077          * will point to storage owned by one of the LinearRing
00078          * previously added. If you destroy them, this
00079          * will point to an invalid memory address.
00080          */
00081         geom::Coordinate *getNestedPoint() {
00082                 return nestedPt;
00083         }
00084 
00085         bool isNonNested();
00086 };
00087 
00088 } // namespace geos.operation.valid
00089 } // namespace geos.operation
00090 } // namespace geos
00091 
00092 #ifdef _MSC_VER
00093 #pragma warning(pop)
00094 #endif
00095 
00096 #endif // GEOS_OP_SIMPLENESTEDRINGTESTER_H
00097 
00098 /**********************************************************************
00099  * $Log$
00100  * Revision 1.1  2006/03/20 16:57:44  strk
00101  * spatialindex.h and opValid.h headers split
00102  *
00103  **********************************************************************/
00104 

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