RectangleIntersects.h

/**********************************************************************
 * $Id: RectangleIntersects.h 2570 2009-06-08 17:15:46Z strk $
 *
 * 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.
 *
 **********************************************************************
 *
 * Last port: operation/predicate/RectangleIntersects.java rev 1.4 (JTS-1.10)
 *
 **********************************************************************/

#ifndef GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H
#define GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H

#include <geos/export.h>

#include <geos/geom/Polygon.h> // for inlines

// Forward declarations
namespace geos {
        namespace geom {
                class Envelope;
                //class Polygon;
        }
}

namespace geos {
namespace operation { // geos::operation
namespace predicate { // geos::operation::predicate

class GEOS_DLL RectangleIntersects {

private:

        const geom::Polygon &rectangle;

        const geom::Envelope &rectEnv;

public:

        static const size_t MAXIMUM_SCAN_SEGMENT_COUNT;

        RectangleIntersects(const geom::Polygon &newRect)
                :
                rectangle(newRect),
                rectEnv(*(newRect.getEnvelopeInternal()))
        {}

        bool intersects(const geom::Geometry& geom);

        static bool intersects(const geom::Polygon &rectangle,
                        const geom::Geometry &b)
        {
                RectangleIntersects rp(rectangle); 
                return rp.intersects(b);
        }

};


} // namespace geos::operation::predicate
} // namespace geos::operation
} // namespace geos

#endif // ifndef GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H

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