Distance.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2018 Paul Ramsey <pramsey@cleverlephant.ca>
 *
 * 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: algorithm/Distance.java @ 2017-09-04
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
#include <geos/geom/Coordinate.h>
#include <geos/geom/CoordinateSequence.h>
 
namespace geos {
namespace algorithm { // geos::algorithm
 
class GEOS_DLL Distance {
public:
 
    // formerly distanceLineLine
    static double segmentToSegment(
        const geom::CoordinateXY& A,
        const geom::CoordinateXY& B,
        const geom::CoordinateXY& C,
        const geom::CoordinateXY& D);
 
    static double pointToSegmentString(
        const geom::CoordinateXY& p,
        const geom::CoordinateSequence* seq);
 
    // formerly distancePointLine
    static double pointToSegment(
        const geom::CoordinateXY& p,
        const geom::CoordinateXY& A,
        const geom::CoordinateXY& B);
 
    // formerly distancePointLinePerpendicular
    static double pointToLinePerpendicular(
        const geom::CoordinateXY& p,
        const geom::CoordinateXY& A,
        const geom::CoordinateXY& B);
 
    static double pointToLinePerpendicularSigned(
        const geom::CoordinateXY& p,
        const geom::CoordinateXY& A,
        const geom::CoordinateXY& B);
};
 
} // namespace geos::algorithm
} // namespace geos