blob: eda9ad3e2dc01e857df3d8f485082b625981149b (
plain)
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
|
/*************************************************************************
* 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/>. *
*************************************************************************/
#ifndef DIMENSIONXX_CANVAS_HPP
#define DIMENSIONXX_CANVAS_HPP
// dmnsn_canvas* wrapper.
namespace Dimension
{
// Base canvas class. Wraps a dmnsn_canvas*.
class Canvas
{
public:
// Allocate a dmnsn_canvas specified width and height.
Canvas(unsigned int width, unsigned int height);
// Wrap an existing canvas.
explicit Canvas(dmnsn_canvas* canvas) : m_canvas(canvas) { }
// Delete the canvas. (dmnsn_delete_canvas(m_canvas).)
virtual ~Canvas();
// Get the width and height.
unsigned int width() const;
unsigned int height() const;
// Get and set a pixel, thread-safely.
Color pixel(unsigned int x, unsigned int y) const;
void pixel(unsigned int x, unsigned int y, const Color& c);
// Access the wrapped C object.
dmnsn_canvas* dmnsn();
const dmnsn_canvas* dmnsn() const;
protected:
// Derived classes may want to set m_canvas later. Set it to NULL now, so
// that the destructor can still dmnsn_delete_canvas it.
Canvas();
dmnsn_canvas* m_canvas;
private:
// Copying prohibited
Canvas(const Canvas&);
Canvas& operator=(const Canvas&);
};
}
#endif /* DIMENSIONXX_CANVAS_HPP */
|
