buffer/MaximalEdgeRing.h

/**********************************************************************
 *
 * 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/overlay/MaximalEdgeRing.java rev. 1.15 (JTS-1.10)
 *
 **********************************************************************/

#pragma once

#include <geos/export.h>

#include <vector>

#include <geos/geomgraph/EdgeRing.h> // for inheritance

// Forward declarations
namespace geos {
namespace geom {
class GeometryFactory;
}
namespace geomgraph {
class DirectedEdge;
}
namespace operation {
namespace buffer {
class MinimalEdgeRing;
}
}
}

namespace geos {
namespace operation { // geos::operation
namespace buffer { // geos::operation::buffer

class GEOS_DLL MaximalEdgeRing: public geomgraph::EdgeRing {

public:

    MaximalEdgeRing(geomgraph::DirectedEdge* start,
                    const geom::GeometryFactory* geometryFactory);
    // throw(const TopologyException &)

    ~MaximalEdgeRing() override = default;

    geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge* de) override;

    void setEdgeRing(geomgraph::DirectedEdge* de, geomgraph::EdgeRing* er) override;

    std::vector<MinimalEdgeRing*>* buildMinimalRings();

    void buildMinimalRings(std::vector<MinimalEdgeRing*>& minEdgeRings);
    void buildMinimalRings(std::vector<EdgeRing*>& minEdgeRings);

    void linkDirectedEdgesForMinimalEdgeRings();
};


} // namespace geos::operation::buffer
} // namespace geos::operation
} // namespace geos