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HCoordinate.h

00001 /**********************************************************************
00002  * $Id: HCoordinate.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00009  *
00010  * This is free software; you can redistribute and/or modify it under
00011  * the terms of the GNU Lesser General Public Licence as published
00012  * by the Free Software Foundation. 
00013  * See the COPYING file for more information.
00014  *
00015  **********************************************************************
00016  *
00017  * Last port: algorithm/HCoordinate.java rev. 1.18 (JTS-1.9)
00018  *
00019  **********************************************************************/
00020 
00021 #ifndef GEOS_ALGORITHM_HCOORDINATE_H
00022 #define GEOS_ALGORITHM_HCOORDINATE_H
00023 
00024 #include <geos/export.h>
00025 #include <iosfwd>
00026 
00027 // Forward declarations
00028 namespace geos {
00029         namespace geom {
00030                 class Coordinate;
00031         }
00032 }
00033 
00034 namespace geos {
00035 namespace algorithm { // geos::algorithm
00036 
00037 
00044 class GEOS_DLL HCoordinate {
00045 
00046 public:
00047 
00048         friend std::ostream& operator<< (std::ostream& o, const HCoordinate& c);
00049 
00060         static void intersection(const geom::Coordinate &p1,
00061                                  const geom::Coordinate &p2,
00062                                  const geom::Coordinate &q1,
00063                                  const geom::Coordinate &q2,
00064                                  geom::Coordinate &ret);
00065 
00066         long double x,y,w;
00067 
00068         HCoordinate();
00069 
00070         HCoordinate(long double _x, long double _y, long double _w);
00071 
00072         HCoordinate(const geom::Coordinate& p);
00073 
00082         HCoordinate(const geom::Coordinate& p1, const geom::Coordinate& p2);
00083 
00084         HCoordinate(const geom::Coordinate& p1, const geom::Coordinate& p2,
00085                     const geom::Coordinate& q1, const geom::Coordinate& q2);
00086 
00087         HCoordinate(const HCoordinate &p1, const HCoordinate &p2);
00088 
00089         long double getX() const;
00090 
00091         long double getY() const;
00092 
00093         void getCoordinate(geom::Coordinate &ret) const;
00094 
00095 };
00096 
00097 std::ostream& operator<< (std::ostream& o, const HCoordinate& c);
00098 
00099 } // namespace geos::algorithm
00100 } // namespace geos
00101 
00102 #endif // GEOS_ALGORITHM_HCOORDINATE_H
00103 
00104 /**********************************************************************
00105  * $Log$
00106  * Revision 1.4  2006/04/20 14:27:40  strk
00107  * HCoordinate class changed to use long double types internally, in order to improve computation precision
00108  *
00109  * Revision 1.3  2006/04/14 09:02:16  strk
00110  * Hadded output operator and debugging prints for HCoordinate.
00111  *
00112  * Revision 1.2  2006/04/04 11:37:01  strk
00113  * Port information + initialization lists in ctors
00114  *
00115  * Revision 1.1  2006/03/09 16:46:48  strk
00116  * geos::geom namespace definition, first pass at headers split
00117  *
00118  **********************************************************************/
00119 

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