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
|
/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension 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 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension 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 program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "dimensionxx.hpp"
namespace Dimension
{
// Allocate the canvas with dmnsn_new_canvas()
Canvas::Canvas(unsigned int width, unsigned int height)
: m_canvas(dmnsn_new_canvas(width, height)) { }
// Virtual destructor: delete the canvas with dmnsn_delete_canvas().
Canvas::~Canvas()
{
dmnsn_delete_canvas(m_canvas);
}
// Get the width
unsigned int
Canvas::width() const
{
return m_canvas->x;
}
// Get the height
unsigned int
Canvas::height() const
{
return m_canvas->y;
}
// Get a particular pixel, thread-safely, with dmnsn_get_pixel().
Color
Canvas::pixel(unsigned int x, unsigned int y) const
{
return Color(dmnsn_get_pixel(m_canvas, x, y));
}
// Set a particular pixel, thread-safely, with dmnsn_set_pixel().
void
Canvas::pixel(unsigned int x, unsigned int y, const Color& c)
{
dmnsn_set_pixel(m_canvas, x, y, c.dmnsn());
}
// Return the wrapped canvas
dmnsn_canvas*
Canvas::dmnsn()
{
return m_canvas;
}
// Return a const version of the wrapped canvas
const dmnsn_canvas*
Canvas::dmnsn() const
{
return m_canvas;
}
// Protected default constructor: set m_canvas to NULL.
Canvas::Canvas()
: m_canvas(0) { }
}
|