PreparedPolygonCovers.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 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  *
00016  * Last port: geom/prep/PreparedPolygonCovers.java rev 1.2 (JTS-1.10)
00017  * (2007-12-12)
00018  *
00019  **********************************************************************/
00020 
00021 #ifndef GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
00022 #define GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
00023 
00024 #include <geos/geom/prep/AbstractPreparedPolygonContains.h> // inherited
00025 
00026 // forward declarations
00027 namespace geos {
00028         namespace geom { 
00029                 class Geometry;
00030 
00031                 namespace prep { 
00032                         class PreparedPolygon;
00033                 }
00034         }
00035 }
00036 
00037 namespace geos {
00038 namespace geom { // geos::geom
00039 namespace prep { // geos::geom::prep
00040 
00055 class PreparedPolygonCovers : public AbstractPreparedPolygonContains 
00056 {
00057 private:
00058 protected:
00066         bool fullTopologicalPredicate( const geom::Geometry * geom);
00067 
00068 public:
00077         static bool covers(const PreparedPolygon * const prep, const geom::Geometry * geom)
00078         {
00079             PreparedPolygonCovers polyInt(prep);
00080                 return polyInt.covers(geom);
00081         }
00082 
00088         PreparedPolygonCovers(const PreparedPolygon * const prep)
00089         :       AbstractPreparedPolygonContains( prep, false) 
00090         { }
00091                 
00098         bool covers( const Geometry * geom)
00099         {
00100                 return eval( geom);
00101         }
00102         
00103 };
00104 
00105 } // geos::geom::prep
00106 } // geos::geom
00107 } // geos
00108 
00109 #endif // GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H

Generated on 30 Dec 2015 for GEOS by  doxygen 1.4.7