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BasicSegmentString.h

00001 /**********************************************************************
00002  * $Id: BasicSegmentString.h 2809 2009-12-06 01:05:24Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2009 Sandro Santilli <strk@keybit.net>
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: noding/BasicSegmentString.java rev. 1.1 (JTS-1.9)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_NODING_BASICSEGMENTSTRING_H
00021 #define GEOS_NODING_BASICSEGMENTSTRING_H
00022 
00023 #include <geos/noding/SegmentString.h> // for inheritance
00024 #include <geos/geom/CoordinateSequence.h> // for inlines (size())
00025 
00026 #include <geos/inline.h>
00027 
00028 #include <vector>
00029 
00030 // Forward declarations
00031 namespace geos {
00032         namespace algorithm {
00033                 //class LineIntersector;
00034         }
00035 }
00036 
00037 namespace geos {
00038 namespace noding { // geos.noding
00039 
00050 class BasicSegmentString : public SegmentString {
00051 
00052 public:
00053 
00055         //
00060         BasicSegmentString(geom::CoordinateSequence *newPts,
00061                         const void* newContext)
00062                 :
00063                 SegmentString(newContext),
00064                 pts(newPts)
00065         {}
00066 
00067         virtual ~BasicSegmentString()
00068         {}
00069 
00071         virtual unsigned int size() const
00072         {
00073                 return pts->size();
00074         }
00075 
00077         virtual const geom::Coordinate& getCoordinate(unsigned int i) const;
00078 
00080         virtual geom::CoordinateSequence* getCoordinates() const;
00081 
00083         virtual bool isClosed() const;
00084 
00086         virtual std::ostream& print(std::ostream& os) const;
00087 
00095         int getSegmentOctant(unsigned int index) const;
00096 
00097 private:
00098 
00099         geom::CoordinateSequence *pts;
00100 
00101 };
00102 
00103 } // namespace geos.noding
00104 } // namespace geos
00105 
00106 #ifdef GEOS_INLINE
00107 # include "geos/noding/SegmentString.inl"
00108 #endif
00109 
00110 #endif // ndef GEOS_NODING_BASICSEGMENTSTRING_H
00111 

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