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# GeometryTransformer.h

    00001 /**********************************************************************
    00002  * $Id: GeometryTransformer.h 2772 2009-12-03 19:30:54Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2006 Refractions Research Inc.
    00008  *
    00009  * This is free software; you can redistribute and/or modify it under
    00010  * the terms of the GNU Lesser General Public Licence as published
    00011  * by the Free Software Foundation.
    00012  * See the COPYING file for more information.
    00013  *
    00014  **********************************************************************
    00015  *
    00016  * Last port: geom/util/GeometryTransformer.java rev. 1.6 (JTS-1.7.1+)
    00017  *
    00018  **********************************************************************/
    00019
    00020 #ifndef GEOS_GEOM_UTIL_GEOMETRYTRANSFORMER_H
    00021 #define GEOS_GEOM_UTIL_GEOMETRYTRANSFORMER_H
    00022
    00023
    00024 #include <geos/export.h>
    00025 #include <geos/geom/Coordinate.h> // destructor visibility for vector
    00026 #include <geos/geom/Geometry.h> // destructor visibility for auto_ptr
    00027 #include <geos/geom/CoordinateSequence.h> // destructor visibility for auto_ptr
    00028
    00029 #include <memory> // for auto_ptr
    00030 #include <vector>
    00031
    00032 // Forward declarations
    00033 namespace geos {
    00034         namespace geom {
    00035                 class Geometry;
    00036                 class GeometryFactory;
    00037                 class Point;
    00038                 class LinearRing;
    00039                 class LineString;
    00040                 class Polygon;
    00041                 class MultiPoint;
    00042                 class MultiPolygon;
    00043                 class MultiLineString;
    00044                 class GeometryCollection;
    00045                 namespace util {
    00046                         //class GeometryEditorOperation;
    00047                 }
    00048         }
    00049 }
    00050
    00051
    00052 namespace geos {
    00053 namespace geom { // geos.geom
    00054 namespace util { // geos.geom.util
    00055
    00092 class GEOS_DLL GeometryTransformer {
    00093
    00094 public:
    00095
    00096         GeometryTransformer();
    00097
    00098         virtual ~GeometryTransformer();
    00099
    00100         std::auto_ptr<Geometry> transform(const Geometry* nInputGeom);
    00101
    00102 protected:
    00103
    00104         const GeometryFactory* factory;
    00105
    00115         CoordinateSequence::AutoPtr createCoordinateSequence(
    00116                         std::auto_ptr< std::vector<Coordinate> > coords);
    00117
    00118         virtual CoordinateSequence::AutoPtr transformCoordinates(
    00119                         const CoordinateSequence* coords,
    00120                         const Geometry* parent);
    00121
    00122         virtual Geometry::AutoPtr transformPoint(
    00123                         const Point* geom,
    00124                         const Geometry* parent);
    00125
    00126         virtual Geometry::AutoPtr transformMultiPoint(
    00127                         const MultiPoint* geom,
    00128                         const Geometry* parent);
    00129
    00130         virtual Geometry::AutoPtr transformLinearRing(
    00131                         const LinearRing* geom,
    00132                         const Geometry* parent);
    00133
    00134         virtual Geometry::AutoPtr transformLineString(
    00135                         const LineString* geom,
    00136                         const Geometry* parent);
    00137
    00138         virtual Geometry::AutoPtr transformMultiLineString(
    00139                         const MultiLineString* geom,
    00140                         const Geometry* parent);
    00141
    00142         virtual Geometry::AutoPtr transformPolygon(
    00143                         const Polygon* geom,
    00144                         const Geometry* parent);
    00145
    00146         virtual Geometry::AutoPtr transformMultiPolygon(
    00147                         const MultiPolygon* geom,
    00148                         const Geometry* parent);
    00149
    00150         virtual Geometry::AutoPtr transformGeometryCollection(
    00151                         const GeometryCollection* geom,
    00152                         const Geometry* parent);
    00153
    00154 private:
    00155
    00156         const Geometry* inputGeom;
    00157
    00158         // these could eventually be exposed to clients
    00162         bool pruneEmptyGeometry;
    00163
    00169         bool preserveGeometryCollectionType;
    00170
    00174         bool preserveCollections;
    00175
    00179         bool preserveType;
    00180
    00181     // Declare type as noncopyable
    00182     GeometryTransformer(const GeometryTransformer& other);
    00183     GeometryTransformer& operator=(const GeometryTransformer& rhs);
    00184 };
    00185
    00186
    00187 } // namespace geos.geom.util
    00188 } // namespace geos.geom
    00189 } // namespace geos
    00190
    00191 //#ifdef GEOS_INLINE
    00192 //# include "geos/geom/util/GeometryTransformer.inl"
    00193 //#endif
    00194
    00195 #endif // GEOS_GEOM_UTIL_GEOMETRYTRANSFORMER_H
    00196
    00197 /**********************************************************************
    00198  * $Log$
    00199  * Revision 1.4  2006/06/19 21:20:22  strk
    00200  * updated port info
    00201  *
    00202  * Revision 1.3  2006/04/13 14:25:17  strk
    00203  * TopologyPreservingSimplifier initial port
    00204  *
    00205  * Revision 1.2  2006/04/11 12:56:06  strk
    00206  * used typedef for auto_ptr<CoordinateSequence>
    00207  *
    00208  * Revision 1.1  2006/04/11 12:21:49  strk
    00209  * GeometryTransformer class ported
    00210  *
    00211  **********************************************************************/