GEOS 3.4.2

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SweepLineSegment.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2005-2006 Refractions Research Inc.
7 * Copyright (C) 2001-2002 Vivid Solutions Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************/
15
16 #ifndef GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
17 #define GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
18
19
20 #include <geos/export.h>
21 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
22
23 // Forward declarations
24 namespace geos {
25 namespace geom {
26 class CoordinateSequence;
27 }
28 namespace geomgraph {
29 class Edge;
30 namespace index {
31 class SegmentIntersector;
32 }
33 }
34 }
35
36 namespace geos {
37 namespace geomgraph { // geos::geomgraph
38 namespace index { // geos::geomgraph::index
39
40 class GEOS_DLL SweepLineSegment: public SweepLineEventOBJ {
41 public:
42 SweepLineSegment(Edge *newEdge, int newPtIndex);
43 ~SweepLineSegment();
44 double getMinX();
45 double getMaxX();
46 void computeIntersections(SweepLineSegment *ss, SegmentIntersector *si);
47 protected:
48 Edge *edge;
49 const geom::CoordinateSequence* pts;
50 int ptIndex;
51 };
52
53
54
55 } // namespace geos.geomgraph.index
56 } // namespace geos.geomgraph
57 } // namespace geos
58
59 #endif
60