Point.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
 * 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/Point.java r320 (JTS-1.12)
 *
 **********************************************************************/
 
#ifndef GEOS_GEOS_POINT_H
#define GEOS_GEOS_POINT_H
 
#include <geos/export.h>
#include <geos/platform.h>
#include <geos/geom/Geometry.h> // for inheritance
#include <geos/geom/Puntal.h> // for inheritance
#include <geos/geom/CoordinateSequence.h> // for proper use of auto_ptr<>
#include <geos/geom/Envelope.h> // for proper use of auto_ptr<>
#include <geos/geom/Dimension.h> // for Dimension::DimensionType
 
#include <geos/inline.h>
 
#include <string>
#include <vector>
#include <memory> // for auto_ptr
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// Forward declarations
namespace geos {
        namespace geom { // geos::geom
                class Coordinate;
                class CoordinateArraySequence;
                class CoordinateFilter;
                class CoordinateSequenceFilter;
                class GeometryComponentFilter;
                class GeometryFilter;
        }
}
 
namespace geos {
namespace geom { // geos::geom

class GEOS_DLL Point : public virtual Geometry, public Puntal 
{
 
public:
 
        friend class GeometryFactory;

        typedef std::vector<const Point *> ConstVect;
 
        virtual ~Point();

        Geometry *clone() const { return new Point(*this); }
 
        CoordinateSequence* getCoordinates(void) const;
 
        const CoordinateSequence* getCoordinatesRO() const;
 
        size_t getNumPoints() const;
        bool isEmpty() const;
        bool isSimple() const;

        Dimension::DimensionType getDimension() const;

        virtual int getCoordinateDimension() const;

        int getBoundaryDimension() const;

        Geometry* getBoundary() const;
 
        double getX() const;
        double getY() const;
        const Coordinate* getCoordinate() const;
        std::string getGeometryType() const;
        virtual GeometryTypeId getGeometryTypeId() const;
        void apply_ro(CoordinateFilter *filter) const;
        void apply_rw(const CoordinateFilter *filter);
        void apply_ro(GeometryFilter *filter) const;
        void apply_rw(GeometryFilter *filter);
        void apply_rw(GeometryComponentFilter *filter);
        void apply_ro(GeometryComponentFilter *filter) const;
        void apply_rw(CoordinateSequenceFilter& filter);
        void apply_ro(CoordinateSequenceFilter& filter) const;
 
        bool equalsExact(const Geometry *other, double tolerance=0) const;
 
        void normalize(void)
        {
                // a Point is always in normalized form
        }
 
        Geometry* reverse() const
        {
                return clone();
        }
 
protected:
  
        Point(CoordinateSequence *newCoords, const GeometryFactory *newFactory);
 
        Point(const Point &p); 
 
        Envelope::AutoPtr computeEnvelopeInternal() const;
 
        int compareToSameClass(const Geometry *p) const;
 
private:

        std::auto_ptr<CoordinateSequence> coordinates;
};
 
} // namespace geos::geom
} // namespace geos
 
//#ifdef GEOS_INLINE
//# include "geos/geom/Point.inl"
//#endif
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#endif // ndef GEOS_GEOS_POINT_H