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
RevLine 
[307]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 *
[1462]8 *  This program is free software. It comes without any warranty, to
[1452]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
[522]12 *  http://sam.zoy.org/wtfpl/COPYING for more details.
[307]13 */
14
15#include "config.h"
[858]16#include "common.h"
[307]17
[1048]18#if !defined(__KERNEL__)
19#   if defined(HAVE_INTTYPES_H)
20#      include <inttypes.h>
21#   endif
22#   include <stdio.h>
[307]23#endif
24
[524]25#include "cucul.h"
[307]26#include "caca.h"
27
28uint32_t buffer[256*256];
29
[1048]30int main(int argc, char *argv[])
[307]31{
[2062]32    caca_display_t *dp;
[811]33    cucul_canvas_t *cv;
[524]34
[777]35    cucul_dither_t *dither;
[307]36    int x, y;
37
[2062]38    dp = caca_create_display(NULL);
[1753]39    if(dp == NULL)
40    {
41        printf("Can't create display\n");
42        return -1;
43    }
[307]44
[2062]45    cv = caca_get_canvas(dp);
46
[307]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
[734]53    dither = cucul_create_dither(32, 256, 256, 4 * 256,
[524]54                                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
[2062]55    cucul_dither_bitmap(caca_get_canvas(dp), 0, 0, cucul_get_canvas_width(cv),
[816]56                        cucul_get_canvas_height(cv), dither, buffer);
[734]57    cucul_free_dither(dither);
[307]58
[819]59    caca_refresh_display(dp);
[307]60
[849]61    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
[307]62
[819]63    caca_free_display(dp);
[307]64
65    return 0;
66}
67
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