EdgeMerger.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/operation/overlayng/OverlayLabel.h>
#include <geos/operation/overlayng/EdgeKey.h>
#include <geos/operation/overlayng/Edge.h>
#include <geos/export.h>

#include <vector>
#include <map>


// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
namespace operation {
namespace overlayng {
class Edge;
class EdgeKey;
}
}
}

namespace geos {      // geos.
namespace operation { // geos.operation
namespace overlayng { // geos.operation.overlayng

class GEOS_DLL EdgeMerger {

private:


    // Members
    std::vector<Edge*>& edges;
    std::map<EdgeKey, Edge*> edgeMap;

public:

    // Methods
    EdgeMerger(std::vector<Edge*>& p_edges);

    static std::vector<Edge*> merge(std::vector<Edge*>& edges);

    std::vector<Edge*> merge();


};


} // namespace geos.operation.overlayng
} // namespace geos.operation
} // namespace geos