BasicPreparedGeometry.h

/**********************************************************************
 * $Id: BasicPreparedGeometry.h 2159 2008-08-18 16:27:02Z mloskot $
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.refractions.net
 *
 * 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.
 *
 *
 **********************************************************************/

#ifndef GEOS_GEOM_PREP_BASICPREPAREDGEOMETRY_H
#define GEOS_GEOM_PREP_BASICPREPAREDGEOMETRY_H

#include <geos/geom/prep/PreparedGeometry.h> // for inheritance
//#include <geos/algorithm/PointLocator.h> 
//#include <geos/geom/util/ComponentCoordinateExtracter.h> 
#include <geos/geom/Coordinate.h> 
//#include <geos/geom/Location.h>

#include <vector>
#include <string>

namespace geos {
        namespace geom {
                class Geometry;
                class Coordinate;
        }
}


namespace geos {
namespace geom { // geos::geom
namespace prep { // geos::geom::prep

// * \class BasicPreparedGeometry

class BasicPreparedGeometry: public PreparedGeometry 
{
private:
        const geom::Geometry * baseGeom;
        Coordinate::ConstVect representativePts;

protected:
        void setGeometry( const geom::Geometry * geom );
        
        bool envelopesIntersect(const geom::Geometry* g) const;

        bool envelopeCovers(const geom::Geometry* g) const;

public:
        BasicPreparedGeometry( const Geometry * geom);

        ~BasicPreparedGeometry( );

        const geom::Geometry & getGeometry() const
        {
                return *baseGeom;
        }

        const Coordinate::ConstVect * getRepresentativePoints()  const
        {
                return &representativePts;
        }

        bool isAnyTargetComponentInTest(const geom::Geometry * testGeom) const;

        bool contains(const geom::Geometry * g) const;

        bool containsProperly(const geom::Geometry * g) const;

        bool coveredBy(const geom::Geometry * g) const;

        bool covers(const geom::Geometry * g) const;

        bool crosses(const geom::Geometry * g) const;

        bool disjoint(const geom::Geometry * g) const;

        bool intersects(const geom::Geometry * g) const;

        bool overlaps(const geom::Geometry * g) const;

        bool touches(const geom::Geometry * g) const;

        bool within(const geom::Geometry * g) const;

        std::string toString();

};

} // namespace geos::geom::prep
} // namespace geos::geom
} // namespace geos

#endif // GEOS_GEOM_PREP_BASICPREPAREDGEOMETRY_H
/**********************************************************************
 * $Log$
 **********************************************************************/

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