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# IndexedNestedRingTester.h

    00001 /**********************************************************************
    00002  * $Id: IndexedNestedRingTester.h 3426 2011-07-05 11:49:01Z strk $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2009 Sandro Santilli <strk@keybit.net>
    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/IndexedNestedRingTester.java r399 (JTS-1.12)
    00017  *
    00018  **********************************************************************/
    00019
    00020 #ifndef GEOS_OP_VALID_OFFSETCURVEVERTEXLIST_H
    00021 #define GEOS_OP_VALID_OFFSETCURVEVERTEXLIST_H
    00022
    00023 #include <vector> // for composition
    00024
    00025 // Forward declarations
    00026 namespace geos {
    00027         namespace geom {
    00028                 //class Envelope;
    00029                 class Coordinate;
    00030                 class LinearRing;
    00031         }
    00032         namespace index {
    00033                 class SpatialIndex;
    00034         }
    00035         namespace geomgraph {
    00036                 class GeometryGraph;
    00037         }
    00038 }
    00039
    00040 namespace geos {
    00041 namespace operation { // geos.operation
    00042 namespace valid { // geos.operation.valid
    00043
    00050 class IndexedNestedRingTester
    00051 {
    00052 public:
    00053         // @param newGraph : ownership retained by caller
    00054         IndexedNestedRingTester(geomgraph::GeometryGraph* newGraph)
    00055                 :
    00056                 graph(newGraph),
    00057                 //totalEnv(0),
    00058                 index(0),
    00059                 nestedPt(0)
    00060         {
    00061         }
    00062
    00063         ~IndexedNestedRingTester();
    00064
    00065         /*
    00066          * Be aware that the returned Coordinate (if != NULL)
    00067          * will point to storage owned by one of the LinearRing
    00068          * previously added. If you destroy them, this
    00069          * will point to an invalid memory address.
    00070          */
    00071         const geom::Coordinate* getNestedPoint() const
    00072         {
    00073                 return nestedPt;
    00074         }
    00075
    00077         void add(const geom::LinearRing* ring)
    00078         {
    00079                 rings.push_back(ring);
    00080         }
    00081
    00082         bool isNonNested();
    00083
    00084 private:
    00085
    00087         geomgraph::GeometryGraph* graph;
    00088
    00090         std::vector<const geom::LinearRing*> rings;
    00091
    00092         // CHECK: Owned by (seems unused)?
    00093         //geom::Envelope* totalEnv;
    00094
    00095         // Owned by us (use auto_ptr ?)
    00096         geos::index::SpatialIndex* index; // 'index' in JTS
    00097
    00098         // Externally owned, if not null
    00099         const geom::Coordinate *nestedPt;
    00100
    00101         void buildIndex();
    00102 };
    00103
    00104 } // namespace geos.operation.valid
    00105 } // namespace geos.operation
    00106 } // namespace geos
    00107
    00108 #endif // GEOS_OP_VALID_OFFSETCURVEVERTEXLIST_H
    00109
    00110 /**********************************************************************
    00111  * $Log$
    00112  **********************************************************************/
    00113