CommonBitsRemover.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_COMMONBITSREMOVER_H
00016 #define GEOS_PRECISION_COMMONBITSREMOVER_H
00017 
00018 #include <geos/export.h>
00019 #include <geos/geom/Coordinate.h> // for composition
00020 
00021 // Forward declarations
00022 namespace geos {
00023         namespace geom {
00024                 class Geometry;
00025         }
00026         namespace precision {
00027                 class CommonBitsRemover;
00028                 class CommonCoordinateFilter;
00029         }
00030 }
00031 
00032 namespace geos {
00033 namespace precision { // geos.precision
00034 
00040 class GEOS_DLL CommonBitsRemover {
00041 
00042 private:
00043 
00044         geom::Coordinate commonCoord;
00045 
00046         CommonCoordinateFilter *ccFilter;
00047 
00048 public:
00049 
00050         CommonBitsRemover();
00051 
00052         ~CommonBitsRemover();
00053 
00062         void add(const geom::Geometry *geom);
00063 
00067         geom::Coordinate& getCommonCoordinate();
00068 
00077         geom::Geometry* removeCommonBits(geom::Geometry *geom);
00078 
00086         geom::Geometry* addCommonBits(geom::Geometry *geom);
00087 };
00088 
00089 } // namespace geos.precision
00090 } // namespace geos
00091 
00092 #endif // GEOS_PRECISION_COMMONBITSREMOVER_H

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