LinearRing.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 * Copyright (C) 2005 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/LinearRing.java r320 (JTS-1.12)
 *
 **********************************************************************/
 
#ifndef GEOS_GEOS_LINEARRING_H
#define GEOS_GEOS_LINEARRING_H
 
#include <geos/export.h>
#include <string>
#include <vector>
#include <geos/platform.h>
#include <geos/geom/LineString.h>
 
#include <geos/inline.h>
 
// Forward declarations
namespace geos {
        namespace geom { // geos::geom
                class Coordinate;
                class CoordinateArraySequence;
        }
}
 
namespace geos {
namespace geom { // geos::geom

class GEOS_DLL LinearRing : public LineString {
 
public:

        static const unsigned int MINIMUM_VALID_SIZE = 4;
 
        LinearRing(const LinearRing &lr);

        LinearRing(CoordinateSequence* points,
                        const GeometryFactory *newFactory);

        LinearRing(CoordinateSequence::AutoPtr points,
                        const GeometryFactory *newFactory);
 
        virtual Geometry *clone() const { return new LinearRing(*this); }
 
        virtual ~LinearRing();

        int getBoundaryDimension() const;

        bool isSimple() const;
 
        bool isClosed() const;
 
        std::string getGeometryType() const;
 
        virtual GeometryTypeId getGeometryTypeId() const;
 
        void setPoints(CoordinateSequence* cl);
 
        Geometry* reverse() const;
 
private:
 
        void validateConstruction();
};
 
 
} // namespace geos::geom
} // namespace geos
 
#endif // ndef GEOS_GEOS_LINEARRING_H