PreparedLineString.h

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/**********************************************************************
 *
 * 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)
 *
 **********************************************************************/

#ifndef GEOS_GEOM_PREP_PREPAREDLINESTRING_H
#define GEOS_GEOM_PREP_PREPAREDLINESTRING_H

#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;
    operation::distance::IndexedFacetDistance* getIndexedFacetDistance() const;

};

} // namespace geos::geom::prep
} // namespace geos::geom
} // namespace geos

#endif // GEOS_GEOM_PREP_PREPAREDLINESTRING_H