GEOS
3.3.9
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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