EdgeEndStar.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
 * Copyright (C) 2005-2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions 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: geomgraph/EdgeEndStar.java r428 (JTS-1.12+)
 *
 **********************************************************************/
 
 
#ifndef GEOS_GEOMGRAPH_EDGEENDSTAR_H
#define GEOS_GEOMGRAPH_EDGEENDSTAR_H
 
#include <geos/export.h>
#include <geos/geomgraph/EdgeEnd.h>  // for EdgeEndLT
#include <geos/geom/Coordinate.h>  // for p0,p1
 
#include <geos/inline.h>
 
#include <set>
#include <string>
#include <vector>
#include <algorithm> // for inlines (find)
 
#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 algorithm {
                class BoundaryNodeRule;
        }
        namespace geomgraph {
                class GeometryGraph;
        }
}
 
namespace geos {
namespace geomgraph { // geos.geomgraph
 

class GEOS_DLL EdgeEndStar {
public:
 
        typedef std::set<EdgeEnd *, EdgeEndLT> container;
 
        typedef container::iterator iterator;
        typedef container::const_iterator const_iterator;
        typedef container::reverse_iterator reverse_iterator;
 
        EdgeEndStar();
 
        virtual ~EdgeEndStar() {}

        virtual void insert(EdgeEnd *e)=0;

        virtual geom::Coordinate& getCoordinate();
 
        const geom::Coordinate& getCoordinate() const;
 
        virtual std::size_t getDegree();
 
        virtual iterator begin();
 
        virtual iterator end();
 
        virtual reverse_iterator rbegin();
 
        virtual reverse_iterator rend();
 
        virtual const_iterator begin() const { return edgeMap.begin(); }
 
        virtual const_iterator end() const { return edgeMap.end(); }
 
        virtual container &getEdges();
 
        virtual EdgeEnd* getNextCW(EdgeEnd *ee);
 
        virtual void computeLabelling(std::vector<GeometryGraph*> *geomGraph);
                // throw(TopologyException *);
 
        virtual bool isAreaLabelsConsistent(const GeometryGraph& geomGraph);
 
        virtual void propagateSideLabels(int geomIndex);
                // throw(TopologyException *);
 
        //virtual int findIndex(EdgeEnd *eSearch);
        virtual iterator find(EdgeEnd *eSearch);
 
        virtual std::string print() const;
 
protected:

        EdgeEndStar::container edgeMap;

        virtual void insertEdgeEnd(EdgeEnd *e) { edgeMap.insert(e); }
 
private:
 
        virtual int getLocation(int geomIndex,
                const geom::Coordinate& p,
                std::vector<GeometryGraph*> *geom); 

        int ptInAreaLocation[2];
 
        virtual void computeEdgeEndLabels(const algorithm::BoundaryNodeRule&);
 
        virtual bool checkAreaLabelsConsistent(int geomIndex);
 
};
 
inline std::size_t
EdgeEndStar::getDegree()
{
        return edgeMap.size();
}
 
inline EdgeEndStar::iterator
EdgeEndStar::begin()
{
        return edgeMap.begin();
}
 
inline EdgeEndStar::container&
EdgeEndStar::getEdges()
{
        return edgeMap;
}
 
inline EdgeEndStar::reverse_iterator
EdgeEndStar::rend()
{
        return edgeMap.rend();
}
 
inline EdgeEndStar::iterator
EdgeEndStar::end()
{
        return edgeMap.end();
}
 
inline EdgeEndStar::reverse_iterator
EdgeEndStar::rbegin()
{
        return edgeMap.rbegin();
}
 
inline EdgeEndStar::iterator
EdgeEndStar::find(EdgeEnd *eSearch)
{
        return edgeMap.find(eSearch);
}
 
std::ostream& operator<< (std::ostream&, const EdgeEndStar&);
 
} // namespace geos.geomgraph
} // namespace geos
 
//#ifdef GEOS_INLINE
//# include "geos/geomgraph/EdgeEndStar.inl"
//#endif
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#endif // ifndef GEOS_GEOMGRAPH_EDGEENDSTAR_H