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IndexedNestedRingTester.h
1 /**********************************************************************
2 * $Id: IndexedNestedRingTester.h 3426 2011-07-05 11:49:01Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2009 Sandro Santilli <strk@keybit.net>
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: operation/valid/IndexedNestedRingTester.java r399 (JTS-1.12)
17 *
18 **********************************************************************/
19
20 #ifndef GEOS_OP_VALID_OFFSETCURVEVERTEXLIST_H
21 #define GEOS_OP_VALID_OFFSETCURVEVERTEXLIST_H
22
23 #include <vector> // for composition
24
25 // Forward declarations
26 namespace geos {
27 namespace geom {
28 //class Envelope;
29 class Coordinate;
30 class LinearRing;
31 }
32 namespace index {
33 class SpatialIndex;
34 }
35 namespace geomgraph {
36 class GeometryGraph;
37 }
38 }
39
40 namespace geos {
41 namespace operation { // geos.operation
42 namespace valid { // geos.operation.valid
43
50 class IndexedNestedRingTester
51 {
52 public:
53 // @param newGraph : ownership retained by caller
54 IndexedNestedRingTester(geomgraph::GeometryGraph* newGraph)
55 :
56 graph(newGraph),
57 //totalEnv(0),
58 index(0),
59 nestedPt(0)
60 {
61 }
62
63 ~IndexedNestedRingTester();
64
65 /*
66 * Be aware that the returned Coordinate (if != NULL)
67 * will point to storage owned by one of the LinearRing
68 * previously added. If you destroy them, this
69 * will point to an invalid memory address.
70 */
71 const geom::Coordinate* getNestedPoint() const
72 {
73 return nestedPt;
74 }
75
77 void add(const geom::LinearRing* ring)
78 {
79 rings.push_back(ring);
80 }
81
82 bool isNonNested();
83
84 private:
85
87 geomgraph::GeometryGraph* graph;
88
90 std::vector<const geom::LinearRing*> rings;
91
92 // CHECK: Owned by (seems unused)?
93 //geom::Envelope* totalEnv;
94
95 // Owned by us (use auto_ptr ?)
96 geos::index::SpatialIndex* index; // 'index' in JTS
97
98 // Externally owned, if not null
99 const geom::Coordinate *nestedPt;
100
101 void buildIndex();
102 };
103
104 } // namespace geos.operation.valid
105 } // namespace geos.operation
106 } // namespace geos
107
108 #endif // GEOS_OP_VALID_OFFSETCURVEVERTEXLIST_H
109
110 /**********************************************************************
111 * $Log$
112 **********************************************************************/
113