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planargraph/DirectedEdgeStar.h
1 /**********************************************************************
2 * $Id: DirectedEdgeStar.h 3255 2011-03-01 17:56:10Z mloskot $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2001-2002 Vivid Solutions Inc.
8 * Copyright (C) 2005-2006 Refractions Research Inc.
9 *
10 * This is free software; you can redistribute and/or modify it under
11 * the terms of the GNU Lesser General Public Licence as published
12 * by the Free Software Foundation.
13 * See the COPYING file for more information.
14 *
15 **********************************************************************/
16
17 #ifndef GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
18 #define GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
19
20 #include <geos/export.h>
21
22 #include <vector>
23
24 #ifdef _MSC_VER
25 #pragma warning(push)
26 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
27 #endif
28
29 // Forward declarations
30 namespace geos {
31 namespace geom {
32 class Coordinate;
33 }
34 namespace planargraph {
35 class DirectedEdge;
36 class Edge;
37 }
38 }
39
40 namespace geos {
41 namespace planargraph { // geos.planargraph
42
44 class GEOS_DLL DirectedEdgeStar {
45 protected:
46
47 private:
51 mutable std::vector<DirectedEdge*> outEdges;
52 mutable bool sorted;
53 void sortEdges() const;
54
55 public:
59 DirectedEdgeStar(): sorted(false) {}
60
61 virtual ~DirectedEdgeStar() {}
62
66 void add(DirectedEdge *de);
67
71 void remove(DirectedEdge *de);
72
77 std::vector<DirectedEdge*>::iterator iterator() { return begin(); }
79 std::vector<DirectedEdge*>::iterator begin();
80
82 std::vector<DirectedEdge*>::iterator end();
83
85 std::vector<DirectedEdge*>::const_iterator begin() const;
86
88 std::vector<DirectedEdge*>::const_iterator end() const;
89
94 std::size_t getDegree() const { return outEdges.size(); }
95
100 geom::Coordinate& getCoordinate() const;
101
106 std::vector<DirectedEdge*>& getEdges();
107
113 int getIndex(const Edge *edge);
114
120 int getIndex(const DirectedEdge *dirEdge);
121
126 int getIndex(int i) const;
127
133 DirectedEdge* getNextEdge(DirectedEdge *dirEdge);
134 };
135
136 } // namespace geos::planargraph
137 } // namespace geos
138
139 #ifdef _MSC_VER
140 #pragma warning(pop)
141 #endif
142
143 #endif // GEOS_PLANARGRAPH_DIRECTEDEDGESTAR_H
144
145 /**********************************************************************
146 * $Log$
147 * Revision 1.2 2006/06/12 10:49:43 strk
148 * unsigned int => size_t
149 *
150 * Revision 1.1 2006/03/21 21:42:54 strk
151 * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
152 *
153 **********************************************************************/
154