# Label.h

    00001 /**********************************************************************
    00002  * $Id: Label.h 1820 2006-09-06 16:54:23Z mloskot $
    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. 1.6 (JTS-1.7)
    00018  *
    00019  **********************************************************************/
    00020
    00021
    00022 #ifndef GEOS_GEOMGRAPH_LABEL_H
    00023 #define GEOS_GEOMGRAPH_LABEL_H
    00024
    00025 #include <geos/geomgraph/TopologyLocation.h>
    00026
    00027 #include <geos/inline.h>
    00028
    00029 #include <iosfwd> // for operator<<
    00030
    00031 namespace geos {
    00032 namespace geomgraph { // geos.geomgraph
    00033
    00057 class Label {
    00058
    00059 public:
    00060
    00061         friend std::ostream& operator<< (std::ostream&, const Label&);
    00062
    00070         static Label* toLineLabel(const Label& label);
    00071
    00075         Label(int onLoc);
    00076
    00084         Label(int geomIndex, int onLoc);
    00085
    00091         Label(int onLoc, int leftLoc, int rightLoc);
    00092
    00094         Label(const Label &l);
    00095
    00099         Label();
    00100
    00102         virtual ~Label();
    00103
    00110         Label(int geomIndex, int onLoc, int leftLoc, int rightLoc);
    00111
    00112         void flip();
    00113
    00114         int getLocation(int geomIndex, int posIndex) const;
    00115
    00116         int getLocation(int geomIndex) const;
    00117
    00118         void setLocation(int geomIndex, int posIndex, int location);
    00119
    00120         void setLocation(int geomIndex, int location);
    00121
    00122         void setAllLocations(int geomIndex, int location);
    00123
    00124         void setAllLocationsIfNull(int geomIndex, int location);
    00125
    00126         void setAllLocationsIfNull(int location);
    00127
    00134         void merge(const Label &lbl);
    00135
    00136         int getGeometryCount() const;
    00137
    00138         bool isNull(int geomIndex) const;
    00139
    00140         bool isAnyNull(int geomIndex) const;
    00141
    00142         bool isArea() const;
    00143
    00144         bool isArea(int geomIndex) const;
    00145
    00146         bool isLine(int geomIndex) const;
    00147
    00148         bool isEqualOnSide(const Label &lbl, int side) const;
    00149
    00150         bool allPositionsEqual(int geomIndex, int loc) const;
    00151
    00155         void toLine(int geomIndex);
    00156
    00157         std::string toString() const;
    00158
    00159 protected:
    00160
    00161         TopologyLocation elt[2];
    00162 };
    00163
    00164 std::ostream& operator<< (std::ostream&, const Label&);
    00165
    00166 } // namespace geos.geomgraph
    00167 } // namespace geos
    00168
    00169
    00170 //#ifdef GEOS_INLINE
    00171 //# include "geos/geomgraph/Label.inl"
    00172 //#endif
    00173
    00174 #endif // ifndef GEOS_GEOMGRAPH_LABEL_H
    00175
    00176 /**********************************************************************
    00177  * $Log$
    00178  * Revision 1.3  2006/04/06 09:01:37  strk
    00179  * Doxygen comments, port info, operator<<, assertion checking
    00180  *
    00181  * Revision 1.2  2006/03/24 09:52:41  strk
    00182  * USE_INLINE => GEOS_INLINE
    00183  *
    00184  * Revision 1.1  2006/03/09 16:46:49  strk
    00185  * geos::geom namespace definition, first pass at headers split
    00186  *
    00187  **********************************************************************/
    00188