PreparedPolygonCovers.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 *
 **********************************************************************
 *
 * Last port: geom/prep/PreparedPolygonCovers.java rev 1.2 (JTS-1.10)
 * (2007-12-12)
 *
 **********************************************************************/
 
#ifndef GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
#define GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H
 
#include <geos/geom/prep/AbstractPreparedPolygonContains.h> // inherited
 
// forward declarations
namespace geos {
        namespace geom { 
                class Geometry;
 
                namespace prep { 
                        class PreparedPolygon;
                }
        }
}
 
namespace geos {
namespace geom { // geos::geom
namespace prep { // geos::geom::prep

class PreparedPolygonCovers : public AbstractPreparedPolygonContains 
{
private:
protected:
        bool fullTopologicalPredicate( const geom::Geometry * geom);
 
public:
        static bool covers(const PreparedPolygon * const prep, const geom::Geometry * geom)
        {
            PreparedPolygonCovers polyInt(prep);
                return polyInt.covers(geom);
        }

        PreparedPolygonCovers(const PreparedPolygon * const prep)
        :       AbstractPreparedPolygonContains( prep, false) 
        { }
                
        bool covers( const Geometry * geom)
        {
                return eval( geom);
        }
        
};
 
} // geos::geom::prep
} // geos::geom
} // geos
 
#endif // GEOS_GEOM_PREP_PREPAREDPOLYGONCOVERS_H