# GeometricShapeFactory.h

    00001 /**********************************************************************
    00002  * $Id: GeometricShapeFactory.h 1820 2006-09-06 16:54:23Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00008  * Copyright (C) 2006 Refractions Research Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************/
    00016
    00017 #ifndef GEOS_UTIL_GEOMETRICSHAPEFACTORY_H
    00018 #define GEOS_UTIL_GEOMETRICSHAPEFACTORY_H
    00019
    00020 #include <cassert>
    00021
    00022 #include <geos/geom/Coordinate.h>
    00023
    00024 // Forward declarations
    00025 namespace geos {
    00026         namespace geom {
    00027                 class Envelope;
    00028                 class Polygon;
    00029                 class GeometryFactory;
    00030                 class LineString;
    00031         }
    00032 }
    00033
    00034 namespace geos {
    00035 namespace util { // geos::util
    00036
    00037
    00047 class GeometricShapeFactory {
    00048 private:
    00049         class Dimensions {
    00050         public:
    00051                 Dimensions();
    00052                 geom::Coordinate base;
    00053                 geom::Coordinate centre;
    00054                 double width;
    00055                 double height;
    00056                 void setBase(const geom::Coordinate& newBase);
    00057                 void setCentre(const geom::Coordinate& newCentre);
    00058                 void setSize(double size);
    00059                 void setWidth(double nWidth);
    00060                 void setHeight(double nHeight);
    00061                 geom::Envelope* getEnvelope();
    00062         };
    00063         const geom::GeometryFactory* geomFact;
    00064         Dimensions dim;
    00065         int nPts;
    00066 public:
    00077         GeometricShapeFactory(const geom::GeometryFactory *factory);
    00078
    00079         ~GeometricShapeFactory();
    00080
    00086         geom::LineString* createArc(double startAng, double endAng);
    00087
    00093         geom::Polygon* createCircle();
    00094
    00100         geom::Polygon* createRectangle();
    00101
    00110         void setBase(const geom::Coordinate& base);
    00111
    00119         void setCentre(const geom::Coordinate& centre);
    00120
    00126         void setHeight(double height);
    00127
    00131         void setNumPoints(int nNPts);
    00132
    00139         void setSize(double size);
    00140
    00146         void setWidth(double width);
    00147
    00148 };
    00149
    00150 } // namespace geos::util
    00151 } // namespace geos
    00152
    00153 #endif // GEOS_UTIL_GEOMETRICSHAPEFACTORY_H
    00154
    00155 /**********************************************************************
    00156  * $Log$
    00157  * Revision 1.1  2006/03/09 16:46:49  strk
    00158  * geos::geom namespace definition, first pass at headers split
    00159  *
    00160  **********************************************************************/