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PreparedPolygonCovers.h

00001 /**********************************************************************
00002  * $Id: PreparedPolygonCovers.h 2420 2009-04-29 08:56:14Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 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  *
00017  * Last port: geom/prep/PreparedPolygonCovers.java rev 1.2 (JTS-1.10)
00018  * (2007-12-12)
00019  *
00020  **********************************************************************/
00021 
00022 #ifndef GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
00023 #define GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
00024 
00025 #include <geos/geom/prep/AbstractPreparedPolygonContains.h> // inherited
00026 
00027 // forward declarations
00028 namespace geos {
00029         namespace geom { 
00030                 class Geometry;
00031 
00032                 namespace prep { 
00033                         class PreparedPolygon;
00034                 }
00035         }
00036 }
00037 
00038 namespace geos {
00039 namespace geom { // geos::geom
00040 namespace prep { // geos::geom::prep
00041 
00056 class PreparedPolygonCovers : public AbstractPreparedPolygonContains 
00057 {
00058 private:
00059 protected:
00067         bool fullTopologicalPredicate( const geom::Geometry * geom);
00068 
00069 public:
00078         static bool covers(const PreparedPolygon * const prep, const geom::Geometry * geom)
00079         {
00080             PreparedPolygonCovers polyInt(prep);
00081                 return polyInt.covers(geom);
00082         }
00083 
00089         PreparedPolygonCovers(const PreparedPolygon * const prep)
00090         :       AbstractPreparedPolygonContains( prep, false) 
00091         { }
00092                 
00099         bool covers( const Geometry * geom)
00100         {
00101                 return eval( geom);
00102         }
00103         
00104 };
00105 
00106 } // geos::geom::prep
00107 } // geos::geom
00108 } // geos
00109 
00110 #endif // GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
00111 /**********************************************************************
00112  * $Log$
00113  **********************************************************************/
00114 

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