CommonBitsOp.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2005-2006 Refractions Research Inc.
00007  *
00008  * This is free software; you can redistribute and/or modify it under
00009  * the terms of the GNU Lesser General Public Licence as published
00010  * by the Free Software Foundation. 
00011  * See the COPYING file for more information.
00012  *
00013  **********************************************************************/
00014 
00015 #ifndef GEOS_PRECISION_COMMONBITSOP_H
00016 #define GEOS_PRECISION_COMMONBITSOP_H
00017 
00018 #include <geos/export.h>
00019 #include <geos/precision/CommonBitsRemover.h> // for auto_ptr composition
00020 
00021 #include <vector>
00022 #include <memory>
00023 
00024 #ifdef _MSC_VER
00025 #pragma warning(push)
00026 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00027 #endif
00028 
00029 namespace geos {
00030         namespace geom {
00031                 class Geometry;
00032         }
00033         namespace precision {
00034                 //class CommonBitsRemover;
00035         }
00036 }
00037 
00038 namespace geos {
00039 namespace precision { // geos.precision
00040 
00050 class GEOS_DLL CommonBitsOp {
00051 
00052 private:
00053 
00054         bool returnToOriginalPrecision;
00055 
00056         std::auto_ptr<CommonBitsRemover> cbr;
00057 
00066         geom::Geometry* removeCommonBits(const geom::Geometry *geom0);
00067 
00071         void removeCommonBits(
00072                         const geom::Geometry* geom0,
00073                         const geom::Geometry* geom1,
00074                         std::auto_ptr<geom::Geometry>& rgeom0,
00075                         std::auto_ptr<geom::Geometry>& rgeom1);
00076 
00077 
00078 public:
00079 
00083         CommonBitsOp();
00084 
00091         CommonBitsOp(bool nReturnToOriginalPrecision);
00092 
00101         geom::Geometry* intersection(
00102                         const geom::Geometry *geom0,
00103                         const geom::Geometry *geom1);
00104 
00113         geom::Geometry* Union(
00114                         const geom::Geometry *geom0,
00115                         const geom::Geometry *geom1);
00116 
00125         geom::Geometry* difference(
00126                         const geom::Geometry *geom0,
00127                         const geom::Geometry *geom1);
00128 
00137         geom::Geometry* symDifference(
00138                         const geom::Geometry *geom0,
00139                         const geom::Geometry *geom1);
00140 
00148         geom::Geometry* buffer(
00149                         const geom::Geometry *geom0,
00150                         double distance);
00151 
00163         geom::Geometry* computeResultPrecision(
00164                         geom::Geometry *result);
00165 };
00166 
00167 } // namespace geos.precision
00168 } // namespace geos
00169 
00170 #ifdef _MSC_VER
00171 #pragma warning(pop)
00172 #endif
00173 
00174 #endif // GEOS_PRECISION_COMMONBITSOP_H

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