PreparedLineString.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2020 Sandro Santilli <strk@kbt.io>
 * 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/PreparedLineString.java rev 1.3 (JTS-1.10)
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/geom/prep/BasicPreparedGeometry.h> // for inheritance
#include <geos/noding/SegmentString.h>
#include <geos/noding/FastSegmentSetIntersectionFinder.h>
#include <geos/operation/distance/IndexedFacetDistance.h>
 
#include <memory>
 
namespace geos {
namespace geom { // geos::geom
namespace prep { // geos::geom::prep
 
class PreparedLineString : public BasicPreparedGeometry {
private:
    std::unique_ptr<noding::FastSegmentSetIntersectionFinder> segIntFinder;
    mutable noding::SegmentString::ConstVect segStrings;
    mutable std::unique_ptr<operation::distance::IndexedFacetDistance> indexedDistance;
 
protected:
public:
    PreparedLineString(const Geometry* geom)
        :
        BasicPreparedGeometry(geom),
        segIntFinder(nullptr)
    { }
 
    ~PreparedLineString() override;
 
    noding::FastSegmentSetIntersectionFinder* getIntersectionFinder();
 
    bool intersects(const geom::Geometry* g) 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* g, double d) const override;
    operation::distance::IndexedFacetDistance* getIndexedFacetDistance() const;
 
};
 
} // namespace geos::geom::prep
} // namespace geos::geom
} // namespace geos