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# DirectedEdgeStar.h

    00001 /**********************************************************************
    00002  * $Id: DirectedEdgeStar.h 3255 2011-03-01 17:56:10Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00008  * Copyright (C) 2005-2006 Refractions Research 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 #ifndef GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
    00018 #define GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
    00019
    00020 #include <geos/export.h>
    00021
    00022 #include <vector>
    00023
    00024 #ifdef _MSC_VER
    00025 #pragma warning(push)
    00026 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
    00027 #endif
    00028
    00029 // Forward declarations
    00030 namespace geos {
    00031         namespace geom {
    00032                 class Coordinate;
    00033         }
    00034         namespace planargraph {
    00035                 class DirectedEdge;
    00036                 class Edge;
    00037         }
    00038 }
    00039
    00040 namespace geos {
    00041 namespace planargraph { // geos.planargraph
    00042
    00044 class GEOS_DLL DirectedEdgeStar {
    00045 protected:
    00046
    00047 private:
    00051         mutable std::vector<DirectedEdge*> outEdges;
    00052         mutable bool sorted;
    00053         void sortEdges() const;
    00054
    00055 public:
    00059         DirectedEdgeStar(): sorted(false) {}
    00060
    00061         virtual ~DirectedEdgeStar() {}
    00062
    00066         void add(DirectedEdge *de);
    00067
    00071         void remove(DirectedEdge *de);
    00072
    00077         std::vector<DirectedEdge*>::iterator iterator() { return begin(); }
    00079         std::vector<DirectedEdge*>::iterator begin();
    00080
    00082         std::vector<DirectedEdge*>::iterator end();
    00083
    00085         std::vector<DirectedEdge*>::const_iterator begin() const;
    00086
    00088         std::vector<DirectedEdge*>::const_iterator end() const;
    00089
    00094          std::size_t getDegree() const { return outEdges.size(); }
    00095
    00100         geom::Coordinate& getCoordinate() const;
    00101
    00106         std::vector<DirectedEdge*>& getEdges();
    00107
    00113         int getIndex(const Edge *edge);
    00114
    00120         int getIndex(const DirectedEdge *dirEdge);
    00121
    00126         int getIndex(int i) const;
    00127
    00133         DirectedEdge* getNextEdge(DirectedEdge *dirEdge);
    00134 };
    00135
    00136 } // namespace geos::planargraph
    00137 } // namespace geos
    00138
    00139 #ifdef _MSC_VER
    00140 #pragma warning(pop)
    00141 #endif
    00142
    00143 #endif // GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
    00144
    00145 /**********************************************************************
    00146  * $Log$
    00147  * Revision 1.2  2006/06/12 10:49:43  strk
    00148  * unsigned int => size_t
    00149  *
    00150  * Revision 1.1  2006/03/21 21:42:54  strk
    00151  * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
    00152  *
    00153  **********************************************************************/
    00154