source: libcaca/trunk/examples/hsv.c @ 4333

Last change on this file since 4333 was 4333, checked in by Sam Hocevar, 10 years ago

Large source code cleanup, getting rid of spaces, tabs, and svn keywords.

  • Property svn:keywords set to Id
File size: 1.5 KB
Line 
1/*
2 *  hsv           libcaca HSV rendering test program
3 *  Copyright (c) 2003 Sam Hocevar <sam@hocevar.net>
4 *                All Rights Reserved
5 *
6 *  This program is free software. It comes without any warranty, to
7 *  the extent permitted by applicable law. You can redistribute it
8 *  and/or modify it under the terms of the Do What The Fuck You Want
9 *  To Public License, Version 2, as published by Sam Hocevar. See
10 *  http://sam.zoy.org/wtfpl/COPYING for more details.
11 */
12
13#include "config.h"
14
15#if !defined(__KERNEL__)
16#   include <stdio.h>
17#endif
18
19#include "caca.h"
20
21uint32_t buffer[256*256];
22
23int main(int argc, char *argv[])
24{
25    caca_display_t *dp;
26    caca_canvas_t *cv;
27
28    caca_dither_t *dither;
29    int x, y;
30
31    dp = caca_create_display(NULL);
32    if(dp == NULL)
33    {
34        printf("Can't create display\n");
35        return -1;
36    }
37
38    cv = caca_get_canvas(dp);
39
40    for(y = 0; y < 256; y++)
41        for(x = 0; x < 256; x++)
42    {
43        buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
44    }
45
46    dither = caca_create_dither(32, 256, 256, 4 * 256,
47                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
48    caca_dither_bitmap(caca_get_canvas(dp), 0, 0, caca_get_canvas_width(cv),
49                        caca_get_canvas_height(cv), dither, buffer);
50    caca_free_dither(dither);
51
52    caca_refresh_display(dp);
53
54    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
55
56    caca_free_display(dp);
57
58    return 0;
59}
60
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