GEOS  3.8.0dev
geomgraph/index/MonotoneChain.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  * Last port: geomgraph/index/MonotoneChain.java rev. 1.3 (JTS-1.7)
17  *
18  **********************************************************************/
19 
20 #ifndef GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H
21 #define GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H
22 
23 
24 #include <geos/export.h>
25 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
26 #include <geos/geomgraph/index/MonotoneChainEdge.h> // for inline
27 #include <geos/geomgraph/index/MonotoneChain.h>
28 
29 // Forward declarations
30 namespace geos {
31 namespace geomgraph {
32 namespace index {
33 class SegmentIntersector;
34 }
35 }
36 }
37 
38 namespace geos {
39 namespace geomgraph { // geos::geomgraph
40 namespace index { // geos::geomgraph::index
41 
45 class GEOS_DLL MonotoneChain: public SweepLineEventOBJ {
46 private:
47  MonotoneChainEdge* mce;
48  size_t chainIndex;
49 
50 public:
51 
52  MonotoneChain(MonotoneChainEdge* newMce, size_t newChainIndex):
53  mce(newMce),
54  chainIndex(newChainIndex)
55  {}
56 
57  ~MonotoneChain() override {}
58 
59  void
60  computeIntersections(MonotoneChain* mc, SegmentIntersector* si)
61  {
62  mce->computeIntersectsForChain(chainIndex, *(mc->mce), mc->chainIndex, *si);
63  }
64 };
65 
66 
67 } // namespace geos.geomgraph.index
68 } // namespace geos.geomgraph
69 } // namespace geos
70 
71 #endif
72 
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
Definition: geomgraph/index/MonotoneChain.h:45