CoordinateSequenceLocation.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2026 Martin Davis
 *
 * 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/distance/CoordinateSequenceLocation.java (aff11591)
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
#include <geos/geom/Coordinate.h>
 
#include <cstddef>
 
namespace geos {
namespace geom {
class CoordinateSequence;
}
}
 
namespace geos {
namespace operation {
namespace distance {
 
class GEOS_DLL CoordinateSequenceLocation {
public:
 
    CoordinateSequenceLocation(const geom::CoordinateSequence* seq,
                               std::size_t index,
                               const geom::CoordinateXY& pt);
 
    const geom::CoordinateXY& getCoordinate() const;
 
    std::size_t getIndex() const;
 
    bool isSameSegment(const CoordinateSequenceLocation& f) const;
 
    const geom::CoordinateXY& getEndPoint(int i) const;
 
    std::size_t normalize(std::size_t index) const;
 
private:
 
    const geom::CoordinateSequence* seq;
    std::size_t index;
    geom::CoordinateXY pt;
 
    bool isNext(std::size_t index, std::size_t index1) const;
};
 
} // namespace distance
} // namespace operation
} // namespace geos