source: libcaca/trunk/examples/hsv.c @ 2101

Last change on this file since 2101 was 2101, checked in by Sam Hocevar, 12 years ago
  • Rename "test" to "examples". The former will become a real testsuite.
  • Autodetect zzuf in the configure step. It might become handy.
  • Property svn:keywords set to Id
File size: 1.6 KB
Line 
1/*
2 *  hsv           libcaca HSV rendering test program
3 *  Copyright (c) 2003 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id: hsv.c 2101 2007-11-30 23:48:39Z sam $
7 *
8 *  This program is free software. It comes without any warranty, to
9 *  the extent permitted by applicable law. You can redistribute it
10 *  and/or modify it under the terms of the Do What The Fuck You Want
11 *  To Public License, Version 2, as published by Sam Hocevar. See
12 *  http://sam.zoy.org/wtfpl/COPYING for more details.
13 */
14
15#include "config.h"
16#include "common.h"
17
18#if !defined(__KERNEL__)
19#   if defined(HAVE_INTTYPES_H)
20#      include <inttypes.h>
21#   endif
22#   include <stdio.h>
23#endif
24
25#include "cucul.h"
26#include "caca.h"
27
28uint32_t buffer[256*256];
29
30int main(int argc, char *argv[])
31{
32    caca_display_t *dp;
33    cucul_canvas_t *cv;
34
35    cucul_dither_t *dither;
36    int x, y;
37
38    dp = caca_create_display(NULL);
39    if(dp == NULL)
40    {
41        printf("Can't create display\n");
42        return -1;
43    }
44
45    cv = caca_get_canvas(dp);
46
47    for(y = 0; y < 256; y++)
48        for(x = 0; x < 256; x++)
49    {
50        buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
51    }
52
53    dither = cucul_create_dither(32, 256, 256, 4 * 256,
54                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
55    cucul_dither_bitmap(caca_get_canvas(dp), 0, 0, cucul_get_canvas_width(cv),
56                        cucul_get_canvas_height(cv), dither, buffer);
57    cucul_free_dither(dither);
58
59    caca_refresh_display(dp);
60
61    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
62
63    caca_free_display(dp);
64
65    return 0;
66}
67
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