GEOS 3.2.2
DirectedEdgeStar.h
00001 /**********************************************************************
00002  * $Id: DirectedEdgeStar.h 2556 2009-06-06 22:22:28Z strk $
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 #include <cstddef>
00024 
00025 // Forward declarations
00026 namespace geos {
00027         namespace geom {
00028                 class Coordinate;
00029         }
00030         namespace planargraph {
00031                 class DirectedEdge;
00032                 class Edge;
00033         }
00034 }
00035 
00036 namespace geos {
00037 namespace planargraph { // geos.planargraph
00038 
00039 using namespace std;
00040 
00042 class GEOS_DLL DirectedEdgeStar {
00043 protected:
00044 
00045 private:
00049         mutable std::vector<DirectedEdge*> outEdges;
00050         mutable bool sorted;
00051         void sortEdges() const;
00052 
00053 public:
00057         DirectedEdgeStar(): sorted(false) {}
00058 
00059         virtual ~DirectedEdgeStar() {}
00060 
00064         void add(DirectedEdge *de);
00065 
00069         void remove(DirectedEdge *de);
00070 
00075         std::vector<DirectedEdge*>::iterator iterator() { return begin(); }
00077         std::vector<DirectedEdge*>::iterator begin();
00078 
00080         std::vector<DirectedEdge*>::iterator end();
00081 
00083         std::vector<DirectedEdge*>::const_iterator begin() const;
00084 
00086         std::vector<DirectedEdge*>::const_iterator end() const;
00087 
00092         size_t getDegree() const { return outEdges.size(); }
00093 
00098         geom::Coordinate& getCoordinate() const;
00099 
00104         std::vector<DirectedEdge*>& getEdges();
00105 
00111         int getIndex(const Edge *edge);
00112 
00118         int getIndex(const DirectedEdge *dirEdge);
00119 
00124         int getIndex(int i) const;
00125 
00131         DirectedEdge* getNextEdge(DirectedEdge *dirEdge);
00132 };
00133 
00134 
00135 } // namespace geos::planargraph
00136 } // namespace geos
00137 
00138 #endif // GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
00139 
00140 /**********************************************************************
00141  * $Log$
00142  * Revision 1.2  2006/06/12 10:49:43  strk
00143  * unsigned int => size_t
00144  *
00145  * Revision 1.1  2006/03/21 21:42:54  strk
00146  * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
00147  *
00148  **********************************************************************/
00149