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Label.h
1 /**********************************************************************
2 * $Id: Label.h 2557 2009-06-08 09:30:55Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2005-2006 Refractions Research Inc.
8 * Copyright (C) 2001-2002 Vivid Solutions Inc.
9 *
10 * This is free software; you can redistribute and/or modify it under
11 * the terms of the GNU Lesser General Public Licence as published
12 * by the Free Software Foundation.
13 * See the COPYING file for more information.
14 *
15 **********************************************************************
16 *
17 * Last port: geomgraph/Label.java rev. 1.8 (JTS-1.10)
18 *
19 **********************************************************************/
20
21
22 #ifndef GEOS_GEOMGRAPH_LABEL_H
23 #define GEOS_GEOMGRAPH_LABEL_H
24
25 #include <geos/export.h>
26 #include <geos/geomgraph/TopologyLocation.h>
27
28 #include <geos/inline.h>
29
30 #include <iosfwd> // for operator<<
31
32 namespace geos {
33 namespace geomgraph { // geos.geomgraph
34
58 class GEOS_DLL Label {
59
60 public:
61
62 friend std::ostream& operator<< (std::ostream&, const Label&);
63
71 static Label* toLineLabel(const Label& label);
72
76 Label(int onLoc);
77
85 Label(int geomIndex, int onLoc);
86
92 Label(int onLoc, int leftLoc, int rightLoc);
93
95 Label(const Label &l);
96
100 Label();
101
103 virtual ~Label();
104
111 Label(int geomIndex, int onLoc, int leftLoc, int rightLoc);
112
113 void flip();
114
115 int getLocation(int geomIndex, int posIndex) const;
116
117 int getLocation(int geomIndex) const;
118
119 void setLocation(int geomIndex, int posIndex, int location);
120
121 void setLocation(int geomIndex, int location);
122
123 void setAllLocations(int geomIndex, int location);
124
125 void setAllLocationsIfNull(int geomIndex, int location);
126
127 void setAllLocationsIfNull(int location);
128
135 void merge(const Label &lbl);
136
137 int getGeometryCount() const;
138
139 bool isNull(int geomIndex) const;
140
141 bool isAnyNull(int geomIndex) const;
142
143 bool isArea() const;
144
145 bool isArea(int geomIndex) const;
146
147 bool isLine(int geomIndex) const;
148
149 bool isEqualOnSide(const Label &lbl, int side) const;
150
151 bool allPositionsEqual(int geomIndex, int loc) const;
152
156 void toLine(int geomIndex);
157
158 std::string toString() const;
159
160 protected:
161
162 TopologyLocation elt[2];
163 };
164
165 std::ostream& operator<< (std::ostream&, const Label&);
166
167 } // namespace geos.geomgraph
168 } // namespace geos
169
170
171 //#ifdef GEOS_INLINE
172 //# include "geos/geomgraph/Label.inl"
173 //#endif
174
175 #endif // ifndef GEOS_GEOMGRAPH_LABEL_H
176
177 /**********************************************************************
178 * $Log$
179 * Revision 1.3 2006/04/06 09:01:37 strk
180 * Doxygen comments, port info, operator<<, assertion checking
181 *
182 * Revision 1.2 2006/03/24 09:52:41 strk
183 * USE_INLINE => GEOS_INLINE
184 *
185 * Revision 1.1 2006/03/09 16:46:49 strk
186 * geos::geom namespace definition, first pass at headers split
187 *
188 **********************************************************************/
189