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CommonBitsOp.h

00001 /**********************************************************************
00002  * $Id: CommonBitsOp.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 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 #ifndef GEOS_PRECISION_COMMONBITSOP_H
00017 #define GEOS_PRECISION_COMMONBITSOP_H
00018 
00019 #include <geos/export.h>
00020 #include <geos/precision/CommonBitsRemover.h> // for auto_ptr composition
00021 
00022 #include <vector>
00023 #include <memory>
00024 
00025 namespace geos {
00026         namespace geom {
00027                 class Geometry;
00028         }
00029         namespace precision {
00030                 //class CommonBitsRemover;
00031         }
00032 }
00033 
00034 namespace geos {
00035 namespace precision { // geos.precision
00036 
00046 class GEOS_DLL CommonBitsOp {
00047 
00048 private:
00049 
00050         bool returnToOriginalPrecision;
00051 
00052         std::auto_ptr<CommonBitsRemover> cbr;
00053 
00062         geom::Geometry* removeCommonBits(const geom::Geometry *geom0);
00063 
00067         void removeCommonBits(
00068                         const geom::Geometry* geom0,
00069                         const geom::Geometry* geom1,
00070                         std::auto_ptr<geom::Geometry>& rgeom0,
00071                         std::auto_ptr<geom::Geometry>& rgeom1);
00072 
00073 
00074 public:
00075 
00079         CommonBitsOp();
00080 
00087         CommonBitsOp(bool nReturnToOriginalPrecision);
00088 
00097         geom::Geometry* intersection(
00098                         const geom::Geometry *geom0,
00099                         const geom::Geometry *geom1);
00100 
00109         geom::Geometry* Union(
00110                         const geom::Geometry *geom0,
00111                         const geom::Geometry *geom1);
00112 
00121         geom::Geometry* difference(
00122                         const geom::Geometry *geom0,
00123                         const geom::Geometry *geom1);
00124 
00133         geom::Geometry* symDifference(
00134                         const geom::Geometry *geom0,
00135                         const geom::Geometry *geom1);
00136 
00144         geom::Geometry* buffer(
00145                         const geom::Geometry *geom0,
00146                         double distance);
00147 
00159         geom::Geometry* computeResultPrecision(
00160                         geom::Geometry *result);
00161 };
00162 
00163 
00164 } // namespace geos.precision
00165 } // namespace geos
00166 
00167 #endif // GEOS_PRECISION_COMMONBITSOP_H
00168 
00169 /**********************************************************************
00170  * $Log$
00171  * Revision 1.3  2006/04/13 23:23:52  strk
00172  * fixed bug in binary ops failing to consistently reduce operands.
00173  *
00174  * Revision 1.2  2006/04/06 14:36:52  strk
00175  * Cleanup in geos::precision namespace (leaks plugged, auto_ptr use, ...)
00176  *
00177  * Revision 1.1  2006/03/23 09:17:19  strk
00178  * precision.h header split, minor optimizations
00179  *
00180  **********************************************************************/

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