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# CommonBitsOp.h

    00001 /**********************************************************************
    00002  * $Id: CommonBitsOp.h 3255 2011-03-01 17:56:10Z 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/export.h>
    00020 #include <geos/precision/CommonBitsRemover.h> // for auto_ptr composition
    00021
    00022 #include <vector>
    00023 #include <memory>
    00024
    00025 #ifdef _MSC_VER
    00026 #pragma warning(push)
    00027 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
    00028 #endif
    00029
    00030 namespace geos {
    00031         namespace geom {
    00032                 class Geometry;
    00033         }
    00034         namespace precision {
    00035                 //class CommonBitsRemover;
    00036         }
    00037 }
    00038
    00039 namespace geos {
    00040 namespace precision { // geos.precision
    00041
    00051 class GEOS_DLL CommonBitsOp {
    00052
    00053 private:
    00054
    00055         bool returnToOriginalPrecision;
    00056
    00057         std::auto_ptr<CommonBitsRemover> cbr;
    00058
    00067         geom::Geometry* removeCommonBits(const geom::Geometry *geom0);
    00068
    00072         void removeCommonBits(
    00073                         const geom::Geometry* geom0,
    00074                         const geom::Geometry* geom1,
    00075                         std::auto_ptr<geom::Geometry>& rgeom0,
    00076                         std::auto_ptr<geom::Geometry>& rgeom1);
    00077
    00078
    00079 public:
    00080
    00084         CommonBitsOp();
    00085
    00092         CommonBitsOp(bool nReturnToOriginalPrecision);
    00093
    00102         geom::Geometry* intersection(
    00103                         const geom::Geometry *geom0,
    00104                         const geom::Geometry *geom1);
    00105
    00114         geom::Geometry* Union(
    00115                         const geom::Geometry *geom0,
    00116                         const geom::Geometry *geom1);
    00117
    00126         geom::Geometry* difference(
    00127                         const geom::Geometry *geom0,
    00128                         const geom::Geometry *geom1);
    00129
    00138         geom::Geometry* symDifference(
    00139                         const geom::Geometry *geom0,
    00140                         const geom::Geometry *geom1);
    00141
    00149         geom::Geometry* buffer(
    00150                         const geom::Geometry *geom0,
    00151                         double distance);
    00152
    00164         geom::Geometry* computeResultPrecision(
    00165                         geom::Geometry *result);
    00166 };
    00167
    00168 } // namespace geos.precision
    00169 } // namespace geos
    00170
    00171 #ifdef _MSC_VER
    00172 #pragma warning(pop)
    00173 #endif
    00174
    00175 #endif // GEOS_PRECISION_COMMONBITSOP_H
    00176
    00177 /**********************************************************************
    00178  * $Log$
    00179  * Revision 1.3  2006/04/13 23:23:52  strk
    00180  * fixed bug in binary ops failing to consistently reduce operands.
    00181  *
    00182  * Revision 1.2  2006/04/06 14:36:52  strk
    00183  * Cleanup in geos::precision namespace (leaks plugged, auto_ptr use, ...)
    00184  *
    00185  * Revision 1.1  2006/03/23 09:17:19  strk
    00186  * precision.h header split, minor optimizations
    00187  *
    00188  **********************************************************************/