GEOS
3.6.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2005-2006 Refractions Research Inc. 00007 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 ********************************************************************** 00015 * 00016 * Last port: geomgraph/Label.java r428 (JTS-1.12+) 00017 * 00018 **********************************************************************/ 00019 00020 00021 #ifndef GEOS_GEOMGRAPH_LABEL_H 00022 #define GEOS_GEOMGRAPH_LABEL_H 00023 00024 #include <geos/export.h> 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 GEOS_DLL Label { 00058 00059 public: 00060 00061 friend std::ostream& operator<< (std::ostream&, const Label&); 00062 00068 static Label toLineLabel(const Label& label); 00069 00073 Label(int onLoc); 00074 00082 Label(int geomIndex, int onLoc); 00083 00089 Label(int onLoc, int leftLoc, int rightLoc); 00090 00092 Label(const Label &l); 00093 00094 Label& operator= (const Label& l); 00095 00101 Label(); 00102 00109 Label(int geomIndex, int onLoc, int leftLoc, int rightLoc); 00110 00111 void flip(); 00112 00113 int getLocation(int geomIndex, int posIndex) const; 00114 00115 int getLocation(int geomIndex) const; 00116 00117 void setLocation(int geomIndex, int posIndex, int location); 00118 00119 void setLocation(int geomIndex, int location); 00120 00121 void setAllLocations(int geomIndex, int location); 00122 00123 void setAllLocationsIfNull(int geomIndex, int location); 00124 00125 void setAllLocationsIfNull(int location); 00126 00133 void merge(const Label &lbl); 00134 00135 int getGeometryCount() const; 00136 00137 bool isNull() 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 private: 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