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LastFoundQuadEdgeLocator.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2012 Excensus LLC.
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************
14 *
15 * Last port: triangulate/quadedge/LastFoundQuadEdgeLocator.java r524
16 *
17 **********************************************************************/
18
19 #ifndef GEOS_TRIANGULATE_QUADEDGE_LASTFOUNDQUADEDGELOCATOR_H
20 #define GEOS_TRIANGULATE_QUADEDGE_LASTFOUNDQUADEDGELOCATOR_H
21
22 #include <geos/triangulate/quadedge/QuadEdge.h>
23 #include <geos/triangulate/quadedge/QuadEdgeLocator.h>
24
25 namespace geos {
26 namespace triangulate { //geos.triangulate
27 namespace quadedge { //geos.triangulate.quadedge
28
29 //fwd declarations
30 class QuadEdgeSubdivision;
31
41 class LastFoundQuadEdgeLocator : public QuadEdgeLocator {
42 private:
43 QuadEdgeSubdivision* subdiv;
44 QuadEdge* lastEdge;
45
46 public:
47 LastFoundQuadEdgeLocator(QuadEdgeSubdivision *subdiv);
48
49 private:
50 virtual void init();
51
52 virtual QuadEdge* findEdge();
53
54 public:
60 virtual QuadEdge* locate(const Vertex &v);
61 };
62
63 } //namespace geos.triangulate.quadedge
64 } //namespace geos.triangulate
65 } //namespace goes
66
67 #endif // GEOS_TRIANGULATE_QUADEDGE_LASTFOUNDQUADEDGELOCATOR_H
68