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
|
/*
* hsv libcaca HSV rendering test program
* Copyright (c) 2003 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id: hsv.c 213 2004-01-05 18:17:20Z sam $
*
* This program 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 of the License, or (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*/
#include "config.h"
#if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#else
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#endif
#include "caca.h"
uint32_t buffer[256*256];
int main(void)
{
struct caca_bitmap *bitmap;
int x, y;
caca_init();
for(y = 0; y < 256; y++)
for(x = 0; x < 256; x++)
{
buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
}
bitmap = caca_create_bitmap(32, 256, 256, 4 * 256,
0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1,
bitmap, buffer);
caca_free_bitmap(bitmap);
caca_refresh();
while(!caca_get_event(CACA_EVENT_KEY_PRESS));
caca_end();
return 0;
}
|
