EdgeEndBundle.h

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/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * 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: operation/relate/EdgeEndBundle.java rev. 1.17 (JTS-1.10)
 *
 **********************************************************************/

#ifndef GEOS_OP_RELATE_EDGEENDBUNDLE_H
#define GEOS_OP_RELATE_EDGEENDBUNDLE_H

#include <geos/export.h>

#include <geos/geomgraph/EdgeEnd.h> // for EdgeEndBundle inheritance

#include <string>

// Forward declarations
namespace geos {
namespace algorithm {
class BoundaryNodeRule;
}
namespace geom {
class IntersectionMatrix;
}
}


namespace geos {
namespace operation { // geos::operation
namespace relate { // geos::operation::relate

class GEOS_DLL EdgeEndBundle: public geomgraph::EdgeEnd {
public:
    EdgeEndBundle(geomgraph::EdgeEnd* e);
    ~EdgeEndBundle() override;
    const std::vector<geomgraph::EdgeEnd*>& getEdgeEnds();
    void insert(geomgraph::EdgeEnd* e);

    void computeLabel(const algorithm::BoundaryNodeRule& bnr) override;

    void updateIM(geom::IntersectionMatrix& im);

    std::string print() const override;
protected:
    std::vector<geomgraph::EdgeEnd*> edgeEnds;

    void computeLabelOn(int geomIndex,
                        const algorithm::BoundaryNodeRule& boundaryNodeRule);

    void computeLabelSides(int geomIndex);
    void computeLabelSide(int geomIndex, int side);
};

} // namespace geos:operation:relate
} // namespace geos:operation
} // namespace geos

#endif // GEOS_OP_RELATE_EDGEENDBUNDLE_H