CommonBitsOp.h

00001 /**********************************************************************
00002  * $Id: CommonBitsOp.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) 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/precision/CommonBitsRemover.h> // for auto_ptr composition
00020 
00021 #include <vector>
00022 #include <memory>
00023 
00024 namespace geos {
00025         namespace geom {
00026                 class Geometry;
00027         }
00028         namespace precision {
00029                 //class CommonBitsRemover;
00030         }
00031 }
00032 
00033 namespace geos {
00034 namespace precision { // geos.precision
00035 
00045 class CommonBitsOp {
00046 
00047 private:
00048 
00049         bool returnToOriginalPrecision;
00050 
00051         std::auto_ptr<CommonBitsRemover> cbr;
00052 
00061         geom::Geometry* removeCommonBits(const geom::Geometry *geom0);
00062 
00066         void removeCommonBits(
00067                         const geom::Geometry* geom0,
00068                         const geom::Geometry* geom1,
00069                         std::auto_ptr<geom::Geometry>& rgeom0,
00070                         std::auto_ptr<geom::Geometry>& rgeom1);
00071 
00072 
00073 public:
00074 
00078         CommonBitsOp();
00079 
00086         CommonBitsOp(bool nReturnToOriginalPrecision);
00087 
00096         geom::Geometry* intersection(
00097                         const geom::Geometry *geom0,
00098                         const geom::Geometry *geom1);
00099 
00108         geom::Geometry* Union(
00109                         const geom::Geometry *geom0,
00110                         const geom::Geometry *geom1);
00111 
00120         geom::Geometry* difference(
00121                         const geom::Geometry *geom0,
00122                         const geom::Geometry *geom1);
00123 
00132         geom::Geometry* symDifference(
00133                         const geom::Geometry *geom0,
00134                         const geom::Geometry *geom1);
00135 
00143         geom::Geometry* buffer(
00144                         const geom::Geometry *geom0,
00145                         double distance);
00146 
00158         geom::Geometry* computeResultPrecision(
00159                         geom::Geometry *result);
00160 };
00161 
00162 
00163 } // namespace geos.precision
00164 } // namespace geos
00165 
00166 #endif // GEOS_PRECISION_COMMONBITSOP_H
00167 
00168 /**********************************************************************
00169  * $Log$
00170  * Revision 1.3  2006/04/13 23:23:52  strk
00171  * fixed bug in binary ops failing to consistently reduce operands.
00172  *
00173  * Revision 1.2  2006/04/06 14:36:52  strk
00174  * Cleanup in geos::precision namespace (leaks plugged, auto_ptr use, ...)
00175  *
00176  * Revision 1.1  2006/03/23 09:17:19  strk
00177  * precision.h header split, minor optimizations
00178  *
00179  **********************************************************************/

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