GEOS: SimpleNestedRingTester.h Source File

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SimpleNestedRingTester.h
1 /**********************************************************************
2 * $Id: SimpleNestedRingTester.h 3274 2011-03-26 14:02:20Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2005-2006 Refractions Research Inc.
8 * Copyright (C) 2001-2002 Vivid Solutions 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 * Last port: operation/valid/SimpleNestedRingTester.java rev. 1.14 (JTS-1.10)
18 *
19 **********************************************************************/
20
21 #ifndef GEOS_OP_SIMPLENESTEDRINGTESTER_H
22 #define GEOS_OP_SIMPLENESTEDRINGTESTER_H
23
24 #include <geos/export.h>
25
26 #include <cstddef>
27 #include <vector>
28
29 #ifdef _MSC_VER
30 #pragma warning(push)
31 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
32 #endif
33
34 // Forward declarations
35 namespace geos {
36 namespace geom {
37 class Coordinate;
38 class LinearRing;
39 }
40 namespace geomgraph {
41 class GeometryGraph;
42 }
43 }
44
45 namespace geos {
46 namespace operation { // geos::operation
47 namespace valid { // geos::operation::valid
48
55 class GEOS_DLL SimpleNestedRingTester {
56 private:
57 geomgraph::GeometryGraph *graph; // used to find non-node vertices
58 std::vector<geom::LinearRing*> rings;
59 geom::Coordinate *nestedPt;
60 public:
61 SimpleNestedRingTester(geomgraph::GeometryGraph *newGraph)
62 :
63 graph(newGraph),
64 rings(),
65 nestedPt(NULL)
66 {}
67
68 ~SimpleNestedRingTester() {
69 }
70
71 void add(geom::LinearRing *ring) {
72 rings.push_back(ring);
73 }
74
75 /*
76 * Be aware that the returned Coordinate (if != NULL)
77 * will point to storage owned by one of the LinearRing
78 * previously added. If you destroy them, this
79 * will point to an invalid memory address.
80 */
81 geom::Coordinate *getNestedPoint() {
82 return nestedPt;
83 }
84
85 bool isNonNested();
86 };
87
88 } // namespace geos.operation.valid
89 } // namespace geos.operation
90 } // namespace geos
91
92 #ifdef _MSC_VER
93 #pragma warning(pop)
94 #endif
95
96 #endif // GEOS_OP_SIMPLENESTEDRINGTESTER_H
97
98 /**********************************************************************
99 * $Log$
100 * Revision 1.1 2006/03/20 16:57:44 strk
101 * spatialindex.h and opValid.h headers split
102 *
103 **********************************************************************/
104