TriEdge.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2020 Paul Ramsey <pramsey@cleverelephant.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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
#include <geos/geom/Coordinate.h>
#include <iostream>
 
namespace geos {        // geos.
namespace triangulate { // geos.triangulate
namespace tri {         // geos.triangulate.tri
 
 
class GEOS_DLL TriEdge {
    using Coordinate = geos::geom::Coordinate;
 
private:
 
    void normalize();
 
 
public:
 
    // Members
    Coordinate p0;
    Coordinate p1;
 
    TriEdge(const Coordinate& a, const Coordinate& b)
        : p0(a)
        , p1(b)
    {
        normalize();
    }
 
    struct GEOS_DLL HashCode {
        std::size_t operator()(const TriEdge& te) const;
    };
 
    friend bool operator == (const TriEdge& te0, const TriEdge& te1);
 
    friend std::ostream& operator << (std::ostream& os, const TriEdge& te);
 
};
 
 
 
 
} // namespace geos.triangulate.tri
} // namespace geos.triangulate
} // namespace geos