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/geom/Location.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(geom::Location onLoc);
 
    Label(int geomIndex, geom::Location onLoc);
 
    Label(geom::Location onLoc, geom::Location leftLoc, geom::Location rightLoc);
 
    Label(const Label& l);
 
    Label& operator= (const Label& l);
 
    Label();
 
    Label(int geomIndex, geom::Location onLoc, geom::Location leftLoc, geom::Location rightLoc);
 
    void flip();
 
    geom::Location getLocation(int geomIndex, int posIndex) const;
 
    geom::Location getLocation(int geomIndex) const;
 
    void setLocation(int geomIndex, int posIndex, geom::Location location);
 
    void setLocation(int geomIndex, geom::Location location);
 
    void setAllLocations(int geomIndex, geom::Location location);
 
    void setAllLocationsIfNull(int geomIndex, geom::Location location);
 
    void setAllLocationsIfNull(geom::Location 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, geom::Location 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