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Label.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2005-2006 Refractions Research Inc.
7 * Copyright (C) 2001-2002 Vivid Solutions Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************
15 *
16 * Last port: geomgraph/Label.java r428 (JTS-1.12+)
17 *
18 **********************************************************************/
19
20
21 #ifndef GEOS_GEOMGRAPH_LABEL_H
22 #define GEOS_GEOMGRAPH_LABEL_H
23
24 #include <geos/export.h>
25 #include <geos/geomgraph/TopologyLocation.h>
26
27 #include <geos/inline.h>
28
29 #include <iosfwd> // for operator<<
30
31 namespace geos {
32 namespace geomgraph { // geos.geomgraph
33
57 class GEOS_DLL Label {
58
59 public:
60
61 friend std::ostream& operator<< (std::ostream&, const Label&);
62
68 static Label toLineLabel(const Label& label);
69
73 Label(int onLoc);
74
82 Label(int geomIndex, int onLoc);
83
89 Label(int onLoc, int leftLoc, int rightLoc);
90
92 Label(const Label &l);
93
94 Label& operator= (const Label& l);
95
101 Label();
102
109 Label(int geomIndex, int onLoc, int leftLoc, int rightLoc);
110
111 void flip();
112
113 int getLocation(int geomIndex, int posIndex) const;
114
115 int getLocation(int geomIndex) const;
116
117 void setLocation(int geomIndex, int posIndex, int location);
118
119 void setLocation(int geomIndex, int location);
120
121 void setAllLocations(int geomIndex, int location);
122
123 void setAllLocationsIfNull(int geomIndex, int location);
124
125 void setAllLocationsIfNull(int location);
126
133 void merge(const Label &lbl);
134
135 int getGeometryCount() const;
136
137 bool isNull() 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 private:
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