source: libcaca/trunk/test/hsv.c @ 2056

Last change on this file since 2056 was 1753, checked in by Jean-Yves Lamoureux, 14 years ago
  • Added error checks on canvas / display creations
  • Property svn:keywords set to Id
File size: 1.7 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 1753 2007-02-22 15:31:39Z jylam $
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    cucul_canvas_t *cv;
33    caca_display_t *dp;
34
35    cucul_dither_t *dither;
36    int x, y;
37
38    cv = cucul_create_canvas(0, 0);
39    if(cv == NULL)
40    {
41        printf("Can't created canvas\n");
42        return -1;
43    }
44    dp = caca_create_display(cv);
45    if(dp == NULL)
46    {
47        printf("Can't create display\n");
48        return -1;
49    }
50
51    for(y = 0; y < 256; y++)
52        for(x = 0; x < 256; x++)
53    {
54        buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
55    }
56
57    dither = cucul_create_dither(32, 256, 256, 4 * 256,
58                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
59    cucul_dither_bitmap(cv, 0, 0, cucul_get_canvas_width(cv),
60                        cucul_get_canvas_height(cv), dither, buffer);
61    cucul_free_dither(dither);
62
63    caca_refresh_display(dp);
64
65    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
66
67    caca_free_display(dp);
68    cucul_free_canvas(cv);
69
70    return 0;
71}
72
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