Claw  1.7.3
line_2d.hpp
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1 /*
2  CLAW - a C++ Library Absolutely Wonderful
3 
4  CLAW is a free library without any particular aim but being useful to
5  anyone.
6 
7  Copyright (C) 2005-2011 Julien Jorge
8 
9  This library is free software; you can redistribute it and/or
10  modify it under the terms of the GNU Lesser General Public
11  License as published by the Free Software Foundation; either
12  version 2.1 of the License, or (at your option) any later version.
13 
14  This library is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  Lesser General Public License for more details.
18 
19  You should have received a copy of the GNU Lesser General Public
20  License along with this library; if not, write to the Free Software
21  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 
23  contact: julien.jorge@gamned.org
24 */
30 #ifndef __CLAW_LINE_2D_HPP__
31 #define __CLAW_LINE_2D_HPP__
32 
33 #include <claw/coordinate_2d.hpp>
34 #include <claw/vector_2d.hpp>
35 
36 namespace claw
37 {
38  namespace math
39  {
44  template<class T>
45  class line_2d
46  {
47  public:
49  typedef T value_type;
50 
53 
56 
59 
60  public:
61  line_2d();
62  template<class U> line_2d( const line_2d<U>& that );
63  line_2d( const point_type& _origin, const direction_type& _direction );
64  line_2d( const value_type& ox, const value_type& oy,
65  const value_type& dx, const value_type& dy );
66 
67  bool parallel( const self_type& that ) const;
68  bool orthogonal( const self_type& that ) const;
69  point_type intersection( const self_type& that ) const;
70 
71  value_type y_value( const value_type& x ) const;
72 
73  public:
76 
79 
80  }; // class point_2d
81  } // namespace math
82 } // namespace claw
83 
84 #include <claw/impl/line_2d.tpp>
85 
86 #endif // __CLAW_LINE_2D_HPP__