BasicPreparedGeometry.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/BasicPreparedGeometry.java rev. 1.5 (JTS-1.10)
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/geom/prep/PreparedGeometry.h> // for inheritance
#include <geos/geom/Coordinate.h>
#include <geos/operation/relateng/RelateNG.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 {
    using RelateNG = geos::operation::relateng::RelateNG;
 
private:
    const geom::Geometry* baseGeom;
    std::vector<const CoordinateXY*> representativePts;
    mutable std::unique_ptr<RelateNG> relate_ng;
 
    RelateNG& getRelateNG() const
    {
        if (relate_ng == nullptr)
            relate_ng = RelateNG::prepare(baseGeom);
 
        return *relate_ng;
    }
 
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() override = default;
 
    const geom::Geometry&
    getGeometry() const override
    {
        return *baseGeom;
    }
 
    const std::vector<const CoordinateXY*>*
    getRepresentativePoints()  const
    {
        return &representativePts;
    }
 
    bool isAnyTargetComponentInTest(const geom::Geometry* testGeom) const;
 
    bool within(const geom::Geometry* g) const override;
 
    bool contains(const geom::Geometry* g) const override;
 
    bool containsProperly(const geom::Geometry* g) const override;
 
    bool coveredBy(const geom::Geometry* g) const override;
 
    bool covers(const geom::Geometry* g) const override;
 
    bool crosses(const geom::Geometry* g) const override;
 
    bool disjoint(const geom::Geometry* g) const override;
 
    bool intersects(const geom::Geometry* g) const override;
 
    bool overlaps(const geom::Geometry* g) const override;
 
    bool touches(const geom::Geometry* g) const override;
 
    std::unique_ptr<IntersectionMatrix> relate(const geom::Geometry* g) const override;
 
    bool relate(const geom::Geometry* g, const std::string& pat) const override;
 
    std::unique_ptr<geom::CoordinateSequence> nearestPoints(const geom::Geometry* g) const override;
 
    double distance(const geom::Geometry* g) const override;
 
    bool isWithinDistance(const geom::Geometry* geom, double dist) const override;
 
    std::string toString();
 
};
 
} // namespace geos::geom::prep
} // namespace geos::geom
} // namespace geos