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# Label.h

    00001 /**********************************************************************
    00002  * $Id: Label.h 2557 2009-06-08 09:30:55Z strk $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2005-2006 Refractions Research Inc.
    00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************
    00016  *
    00017  * Last port: geomgraph/Label.java rev. 1.8 (JTS-1.10)
    00018  *
    00019  **********************************************************************/
    00020
    00021
    00022 #ifndef GEOS_GEOMGRAPH_LABEL_H
    00023 #define GEOS_GEOMGRAPH_LABEL_H
    00024
    00025 #include <geos/export.h>
    00026 #include <geos/geomgraph/TopologyLocation.h>
    00027
    00028 #include <geos/inline.h>
    00029
    00030 #include <iosfwd> // for operator<<
    00031
    00032 namespace geos {
    00033 namespace geomgraph { // geos.geomgraph
    00034
    00058 class GEOS_DLL Label {
    00059
    00060 public:
    00061
    00062         friend std::ostream& operator<< (std::ostream&, const Label&);
    00063
    00071         static Label* toLineLabel(const Label& label);
    00072
    00076         Label(int onLoc);
    00077
    00085         Label(int geomIndex, int onLoc);
    00086
    00092         Label(int onLoc, int leftLoc, int rightLoc);
    00093
    00095         Label(const Label &l);
    00096
    00100         Label();
    00101
    00103         virtual ~Label();
    00104
    00111         Label(int geomIndex, int onLoc, int leftLoc, int rightLoc);
    00112
    00113         void flip();
    00114
    00115         int getLocation(int geomIndex, int posIndex) const;
    00116
    00117         int getLocation(int geomIndex) const;
    00118
    00119         void setLocation(int geomIndex, int posIndex, int location);
    00120
    00121         void setLocation(int geomIndex, int location);
    00122
    00123         void setAllLocations(int geomIndex, int location);
    00124
    00125         void setAllLocationsIfNull(int geomIndex, int location);
    00126
    00127         void setAllLocationsIfNull(int location);
    00128
    00135         void merge(const Label &lbl);
    00136
    00137         int getGeometryCount() const;
    00138
    00139         bool isNull(int geomIndex) const;
    00140
    00141         bool isAnyNull(int geomIndex) const;
    00142
    00143         bool isArea() const;
    00144
    00145         bool isArea(int geomIndex) const;
    00146
    00147         bool isLine(int geomIndex) const;
    00148
    00149         bool isEqualOnSide(const Label &lbl, int side) const;
    00150
    00151         bool allPositionsEqual(int geomIndex, int loc) const;
    00152
    00156         void toLine(int geomIndex);
    00157
    00158         std::string toString() const;
    00159
    00160 protected:
    00161
    00162         TopologyLocation elt[2];
    00163 };
    00164
    00165 std::ostream& operator<< (std::ostream&, const Label&);
    00166
    00167 } // namespace geos.geomgraph
    00168 } // namespace geos
    00169
    00170
    00171 //#ifdef GEOS_INLINE
    00172 //# include "geos/geomgraph/Label.inl"
    00173 //#endif
    00174
    00175 #endif // ifndef GEOS_GEOMGRAPH_LABEL_H
    00176
    00177 /**********************************************************************
    00178  * $Log$
    00179  * Revision 1.3  2006/04/06 09:01:37  strk
    00180  * Doxygen comments, port info, operator<<, assertion checking
    00181  *
    00182  * Revision 1.2  2006/03/24 09:52:41  strk
    00183  * USE_INLINE => GEOS_INLINE
    00184  *
    00185  * Revision 1.1  2006/03/09 16:46:49  strk
    00186  * geos::geom namespace definition, first pass at headers split
    00187  *
    00188  **********************************************************************/
    00189