1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file rectangle.hpp
* \brief A class representing a rectangle by his x,y coordinates, width and
* height.
* \author Julien Jorge
*/
#ifndef __CLAW_RECTANGLE_HPP__
#define __CLAW_RECTANGLE_HPP__
#include <claw/coordinate_2d.hpp>
#include <claw/box_2d.hpp>
namespace claw
{
namespace math
{
/**
* \brief A class representing a rectangle by his x,y coordinates, width and
* height.
*
* This class considers that the y-axis increases from the top to the bottom
* (like a screen).
*
* \author Julien Jorge
*/
template<class T>
class rectangle
{
public:
/** \brief The type of the values we store. */
typedef T value_type;
/** \brief The type of the current class. */
typedef rectangle<value_type> self_type;
public:
rectangle();
template<typename U>
rectangle( const rectangle<U>& that );
template<typename U>
rectangle( const box_2d<U>& that );
rectangle( const value_type& _x, const value_type& _y,
const value_type& _width, const value_type& _height);
template<typename U>
rectangle( const coordinate_2d<U>& pos, const value_type& _width,
const value_type& _height );
template<typename U>
rectangle( const coordinate_2d<U>& pos, const coordinate_2d<U>& size );
template<typename U>
rectangle<U> cast_value_type_to() const;
bool operator==( const self_type& that ) const;
bool operator!=( const self_type& that ) const;
value_type area() const;
bool includes( const coordinate_2d<value_type>& p ) const;
bool includes( const self_type& r ) const;
bool intersects( const self_type& r ) const;
self_type intersection( const self_type& r ) const;
self_type join( const self_type& r ) const;
void set( const value_type& new_x, const value_type& new_y,
const value_type& new_width, const value_type& new_height );
value_type left() const;
value_type right() const;
value_type bottom() const;
value_type top() const;
coordinate_2d<value_type> size() const;
private:
void x_intersection( const self_type& r, self_type& result ) const;
void y_intersection( const self_type& r, self_type& result ) const;
public:
/** \brief value_typeop left coordinates. */
coordinate_2d<value_type> position;
/** \brief Width. */
value_type width;
/** \brief Height. */
value_type height;
}; // class rectangle
} // namespace math
} // namespace claw
#include <claw/impl/rectangle.tpp>
#endif // __CLAW_RECTANGLE_HPP__
|
