planargraph/Edge.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 * Copyright (C) 2005-2006 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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/export.h>
 
#include <geos/planargraph/GraphComponent.h> // for inheritance
 
#include <array>
#include <vector> // for typedefs
#include <set> // for typedefs
#include <iosfwd> // ostream
#include <cstdint>
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// Forward declarations
namespace geos {
namespace planargraph {
class DirectedEdgeStar;
class DirectedEdge;
class Edge;
class Node;
}
}
 
namespace geos {
namespace planargraph { // geos.planargraph
 
class GEOS_DLL Edge: public GraphComponent {
 
public:
 
    friend std::ostream& operator<< (std::ostream& os, const Node&);
 
    typedef std::set<const Edge*> ConstSet;
 
    typedef std::set<Edge*> NonConstSet;
 
    typedef std::vector<Edge*> NonConstVect;
 
    typedef std::vector<const Edge*> ConstVect;
 
protected:
 
    std::array<DirectedEdge*, 2> dirEdge;
 
public:
 
    Edge(): dirEdge() {}
 
    Edge(DirectedEdge* de0, DirectedEdge* de1)
        :
        dirEdge()
    {
        setDirectedEdges(de0, de1);
    }
 
    void setDirectedEdges(DirectedEdge* de0, DirectedEdge* de1);
 
    DirectedEdge* getDirEdge(int i);
 
    DirectedEdge* getDirEdge(Node* fromNode);
 
    Node* getOppositeNode(Node* node);
};
 
std::ostream& operator<<(std::ostream& os, const Edge& n);
 
//typedef Edge planarEdge;
 
} // namespace geos::planargraph
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif