GEOS  3.4.2
SegmentString.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
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: noding/SegmentString.java r430 (JTS-1.12+)
18  *
19  **********************************************************************/
20 
21 #ifndef GEOS_NODING_SEGMENTSTRING_H
22 #define GEOS_NODING_SEGMENTSTRING_H
23 
24 #include <geos/export.h>
25 #include <geos/noding/SegmentNodeList.h>
26 
27 #include <vector>
28 
29 // Forward declarations
30 namespace geos {
31  namespace algorithm {
32  class LineIntersector;
33  }
34 }
35 
36 namespace geos {
37 namespace noding { // geos.noding
38 
46 class GEOS_DLL SegmentString {
47 public:
48  typedef std::vector<const SegmentString*> ConstVect;
49  typedef std::vector<SegmentString *> NonConstVect;
50 
51  friend std::ostream& operator<< (std::ostream& os,
52  const SegmentString& ss);
53 
55  //
58  SegmentString(const void* newContext)
59  :
60  context(newContext)
61  {}
62 
63  virtual ~SegmentString() {}
64 
70  const void* getData() const { return context; }
71 
77  void setData(const void* data) { context=data; }
78 
79 
80  virtual unsigned int size() const=0;
81 
82  virtual const geom::Coordinate& getCoordinate(unsigned int i) const=0;
83 
87  //
90  virtual geom::CoordinateSequence* getCoordinates() const=0;
91 
92  virtual bool isClosed() const=0;
93 
94  virtual std::ostream& print(std::ostream& os) const;
95 
96 private:
97 
98  const void* context;
99 
100  // Declare type as noncopyable
101  SegmentString(const SegmentString& other);
102  SegmentString& operator=(const SegmentString& rhs);
103 };
104 
105 std::ostream& operator<< (std::ostream& os, const SegmentString& ss);
106 
107 } // namespace geos.noding
108 } // namespace geos
109 
110 #endif
111 
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
void setData(const void *data)
Definition: SegmentString.h:77
const void * getData() const
Definition: SegmentString.h:70
An interface for classes which represent a sequence of contiguous line segments.
Definition: SegmentString.h:46
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:59
SegmentString(const void *newContext)
Construct a SegmentString.
Definition: SegmentString.h:58