GEOS  3.8.0dev
HCoordinate.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
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.
14  *
15  **********************************************************************
16  *
17  * Last port: algorithm/HCoordinate.java r386 (JTS-1.12+)
18  *
19  **********************************************************************/
20
21 #ifndef GEOS_ALGORITHM_HCOORDINATE_H
22 #define GEOS_ALGORITHM_HCOORDINATE_H
23
24 #include <geos/export.h>
25 #include <iosfwd>
26
27 // Forward declarations
28 namespace geos {
29 namespace geom {
30 class Coordinate;
31 }
32 }
33
34 namespace geos {
35 namespace algorithm { // geos::algorithm
36
37
44 class GEOS_DLL HCoordinate {
45
46 public:
47
48  friend std::ostream& operator<< (std::ostream& o, const HCoordinate& c);
49
60  static void intersection(const geom::Coordinate& p1,
61  const geom::Coordinate& p2,
62  const geom::Coordinate& q1,
63  const geom::Coordinate& q2,
64  geom::Coordinate& ret);
65
66  double x, y, w;
67
68  HCoordinate();
69
70  HCoordinate(double _x, double _y, double _w);
71
72  HCoordinate(const geom::Coordinate& p);
73
82  HCoordinate(const geom::Coordinate& p1, const geom::Coordinate& p2);
83
84  HCoordinate(const geom::Coordinate& p1, const geom::Coordinate& p2,
85  const geom::Coordinate& q1, const geom::Coordinate& q2);
86
87  HCoordinate(const HCoordinate& p1, const HCoordinate& p2);
88
89  double getX() const;
90
91  double getY() const;
92
93  void getCoordinate(geom::Coordinate& ret) const;
94
95 };
96
97 std::ostream& operator<< (std::ostream& o, const HCoordinate& c);
98
99 } // namespace geos::algorithm
100 } // namespace geos
101
102 #endif // GEOS_ALGORITHM_HCOORDINATE_H
103
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Represents a homogeneous coordinate in a 2-D coordinate space.
Definition: HCoordinate.h:44
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25