MarkHalfEdge.h

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/**********************************************************************
 *
 * 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/geom/Coordinate.h>

#include <geos/export.h>
#include <string>
#include <cassert>

// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
}

namespace geos {
namespace edgegraph { // geos.edgegraph

class GEOS_DLL MarkHalfEdge : public HalfEdge {

private:

    bool m_isMarked;

public:

    MarkHalfEdge(const geom::Coordinate& p_orig) :
        HalfEdge(p_orig),
        m_isMarked(false)
    {};

    static bool isMarked(HalfEdge* e);

    static void mark(HalfEdge* e);

    static void setMark(HalfEdge* e, bool isMarked);

    static void setMarkBoth(HalfEdge* e, bool isMarked);

    static void markBoth(HalfEdge* e);

    bool isMarked() const { return m_isMarked; }

    void mark() { m_isMarked = true; }

    void setMark(bool p_isMarked) { m_isMarked = p_isMarked; }

};


} // namespace geos.edgegraph
} // namespace geos