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GeometryTransformer.h
1 /**********************************************************************
2 * $Id: GeometryTransformer.h 3179 2011-02-03 19:59:23Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
8 * Copyright (C) 2006 Refractions Research 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: geom/util/GeometryTransformer.java r320 (JTS-1.12)
18 *
19 **********************************************************************/
20
21 #ifndef GEOS_GEOM_UTIL_GEOMETRYTRANSFORMER_H
22 #define GEOS_GEOM_UTIL_GEOMETRYTRANSFORMER_H
23
24
25 #include <geos/export.h>
26 #include <geos/geom/Coordinate.h> // destructor visibility for vector
27 #include <geos/geom/Geometry.h> // destructor visibility for auto_ptr
28 #include <geos/geom/CoordinateSequence.h> // destructor visibility for auto_ptr
29
30 #include <memory> // for auto_ptr
31 #include <vector>
32
33 // Forward declarations
34 namespace geos {
35 namespace geom {
36 class Geometry;
37 class GeometryFactory;
38 class Point;
39 class LinearRing;
40 class LineString;
41 class Polygon;
42 class MultiPoint;
43 class MultiPolygon;
44 class MultiLineString;
45 class GeometryCollection;
46 namespace util {
47 //class GeometryEditorOperation;
48 }
49 }
50 }
51
52
53 namespace geos {
54 namespace geom { // geos.geom
55 namespace util { // geos.geom.util
56
93 class GEOS_DLL GeometryTransformer {
94
95 public:
96
97 GeometryTransformer();
98
99 virtual ~GeometryTransformer();
100
101 std::auto_ptr<Geometry> transform(const Geometry* nInputGeom);
102
103 protected:
104
105 const GeometryFactory* factory;
106
116 CoordinateSequence::AutoPtr createCoordinateSequence(
117 std::auto_ptr< std::vector<Coordinate> > coords);
118
119 virtual CoordinateSequence::AutoPtr transformCoordinates(
120 const CoordinateSequence* coords,
121 const Geometry* parent);
122
123 virtual Geometry::AutoPtr transformPoint(
124 const Point* geom,
125 const Geometry* parent);
126
127 virtual Geometry::AutoPtr transformMultiPoint(
128 const MultiPoint* geom,
129 const Geometry* parent);
130
131 virtual Geometry::AutoPtr transformLinearRing(
132 const LinearRing* geom,
133 const Geometry* parent);
134
135 virtual Geometry::AutoPtr transformLineString(
136 const LineString* geom,
137 const Geometry* parent);
138
139 virtual Geometry::AutoPtr transformMultiLineString(
140 const MultiLineString* geom,
141 const Geometry* parent);
142
143 virtual Geometry::AutoPtr transformPolygon(
144 const Polygon* geom,
145 const Geometry* parent);
146
147 virtual Geometry::AutoPtr transformMultiPolygon(
148 const MultiPolygon* geom,
149 const Geometry* parent);
150
151 virtual Geometry::AutoPtr transformGeometryCollection(
152 const GeometryCollection* geom,
153 const Geometry* parent);
154
155 private:
156
157 const Geometry* inputGeom;
158
159 // these could eventually be exposed to clients
163 bool pruneEmptyGeometry;
164
170 bool preserveGeometryCollectionType;
171
175 bool preserveCollections;
176
180 bool preserveType;
181
182 // Declare type as noncopyable
183 GeometryTransformer(const GeometryTransformer& other);
184 GeometryTransformer& operator=(const GeometryTransformer& rhs);
185 };
186
187
188 } // namespace geos.geom.util
189 } // namespace geos.geom
190 } // namespace geos
191
192 //#ifdef GEOS_INLINE
193 //# include "geos/geom/util/GeometryTransformer.inl"
194 //#endif
195
196 #endif // GEOS_GEOM_UTIL_GEOMETRYTRANSFORMER_H
197
198 /**********************************************************************
199 * $Log$
200 * Revision 1.4 2006/06/19 21:20:22 strk
201 * updated port info
202 *
203 * Revision 1.3 2006/04/13 14:25:17 strk
204 * TopologyPreservingSimplifier initial port
205 *
206 * Revision 1.2 2006/04/11 12:56:06 strk
207 * used typedef for auto_ptr<CoordinateSequence>
208 *
209 * Revision 1.1 2006/04/11 12:21:49 strk
210 * GeometryTransformer class ported
211 *
212 **********************************************************************/