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# 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