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# DirectedEdgeStar.h

    00001 /**********************************************************************
    00002  * $Id: DirectedEdgeStar.h 1820 2006-09-06 16:54:23Z 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 <vector>
    00021
    00022 // Forward declarations
    00023 namespace geos {
    00024         namespace geom {
    00025                 class Coordinate;
    00026         }
    00027         namespace planargraph {
    00028                 class DirectedEdge;
    00029                 class Edge;
    00030         }
    00031 }
    00032
    00033 namespace geos {
    00034 namespace planargraph { // geos.planargraph
    00035
    00037 class DirectedEdgeStar {
    00038 protected:
    00039
    00040 private:
    00044         mutable std::vector<DirectedEdge*> outEdges;
    00045         mutable bool sorted;
    00046         void sortEdges() const;
    00047
    00048 public:
    00052         DirectedEdgeStar(): sorted(false) {}
    00053
    00054         virtual ~DirectedEdgeStar() {}
    00055
    00059         void add(DirectedEdge *de);
    00060
    00064         void remove(DirectedEdge *de);
    00065
    00070         std::vector<DirectedEdge*>::iterator iterator() { return begin(); }
    00072         std::vector<DirectedEdge*>::iterator begin();
    00073
    00075         std::vector<DirectedEdge*>::iterator end();
    00076
    00078         std::vector<DirectedEdge*>::const_iterator begin() const;
    00079
    00081         std::vector<DirectedEdge*>::const_iterator end() const;
    00082
    00087         size_t getDegree() const { return outEdges.size(); }
    00088
    00093         geom::Coordinate& getCoordinate() const;
    00094
    00099         std::vector<DirectedEdge*>& getEdges();
    00100
    00106         int getIndex(const Edge *edge);
    00107
    00113         int getIndex(const DirectedEdge *dirEdge);
    00114
    00119         int getIndex(int i) const;
    00120
    00126         DirectedEdge* getNextEdge(DirectedEdge *dirEdge);
    00127 };
    00128
    00129
    00130 } // namespace geos::planargraph
    00131 } // namespace geos
    00132
    00133 #endif // GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
    00134
    00135 /**********************************************************************
    00136  * $Log$
    00137  * Revision 1.2  2006/06/12 10:49:43  strk
    00138  * unsigned int => size_t
    00139  *
    00140  * Revision 1.1  2006/03/21 21:42:54  strk
    00141  * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
    00142  *
    00143  **********************************************************************/
    00144