GEOS
3.4.2
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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