Label.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * 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/Label.java r428 (JTS-1.12+)
 *
 **********************************************************************/
 
 
#ifndef GEOS_GEOMGRAPH_LABEL_H
#define GEOS_GEOMGRAPH_LABEL_H
 
#include <geos/export.h>
#include <geos/geomgraph/TopologyLocation.h> 
 
#include <geos/inline.h>
 
#include <iosfwd> // for operator<<
 
namespace geos {
namespace geomgraph { // geos.geomgraph

class GEOS_DLL Label {
 
public:
 
        friend std::ostream& operator<< (std::ostream&, const Label&);

        static Label toLineLabel(const Label& label);

        Label(int onLoc);

        Label(int geomIndex, int onLoc);

        Label(int onLoc, int leftLoc, int rightLoc);

        Label(const Label &l);
 
        Label& operator= (const Label& l);

        Label();

        Label(int geomIndex, int onLoc, int leftLoc, int rightLoc);
 
        void flip();
 
        int getLocation(int geomIndex, int posIndex) const;
 
        int getLocation(int geomIndex) const;
 
        void setLocation(int geomIndex, int posIndex, int location);
 
        void setLocation(int geomIndex, int location);
 
        void setAllLocations(int geomIndex, int location);
 
        void setAllLocationsIfNull(int geomIndex, int location);
 
        void setAllLocationsIfNull(int location);

        void merge(const Label &lbl);
 
        int getGeometryCount() const;
 
        bool isNull() const;
 
        bool isNull(int geomIndex) const;
 
        bool isAnyNull(int geomIndex) const;
 
        bool isArea() const;
 
        bool isArea(int geomIndex) const;
 
        bool isLine(int geomIndex) const;
 
        bool isEqualOnSide(const Label &lbl, int side) const;
 
        bool allPositionsEqual(int geomIndex, int loc) const;

        void toLine(int geomIndex);
 
        std::string toString() const;
 
private:
 
        TopologyLocation elt[2];
};
 
std::ostream& operator<< (std::ostream&, const Label&);
 
} // namespace geos.geomgraph
} // namespace geos
 
 
//#ifdef GEOS_INLINE
//# include "geos/geomgraph/Label.inl"
//#endif
 
#endif // ifndef GEOS_GEOMGRAPH_LABEL_H