source: libcaca/trunk/test/font.c @ 1823

Last change on this file since 1823 was 1753, checked in by Jean-Yves Lamoureux, 13 years ago
  • Added error checks on canvas / display creations
  • Property svn:keywords set to Id
File size: 3.1 KB
Line 
1/*
2 *  font          libcucul font test program
3 *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id: font.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
23#   if defined(HAVE_ENDIAN_H)
24#      include <endian.h>
25#   endif
26
27#   include <stdio.h>
28#   include <stdlib.h>
29#   include <string.h>
30#endif
31
32#include "cucul.h"
33#include "caca.h"
34
35int main(int argc, char *argv[])
36{
37    cucul_canvas_t *cv;
38    caca_display_t *dp;
39    cucul_font_t *f;
40    cucul_dither_t *d;
41    unsigned char *buf;
42    unsigned int w, h;
43    char const * const * fonts;
44
45    /* Create a canvas */
46    cv = cucul_create_canvas(8, 2);
47    if(cv == NULL)
48    {
49        printf("Can't create canvas\n");
50        return -1;
51    }
52
53
54    /* Draw stuff on our canvas */
55    cucul_set_color_ansi(cv, CUCUL_WHITE, CUCUL_BLACK);
56    cucul_put_str(cv, 0, 0, "ABcde");
57    cucul_set_color_ansi(cv, CUCUL_LIGHTRED, CUCUL_BLACK);
58    cucul_put_str(cv, 5, 0, "\\o/");
59    cucul_set_color_ansi(cv, CUCUL_WHITE, CUCUL_BLUE);
60    cucul_put_str(cv, 0, 1, "&$âøÿØ?!");
61
62    /* Load a libcucul internal font */
63    fonts = cucul_get_font_list();
64    if(fonts[0] == NULL)
65    {
66        fprintf(stderr, "error: libcucul was compiled without any fonts\n");
67        return -1;
68    }
69    f = cucul_load_font(fonts[0], 0);
70    if(f == NULL)
71    {
72        fprintf(stderr, "error: could not load font \"%s\"\n", fonts[0]);
73        return -1;
74    }
75
76    /* Create our bitmap buffer (32-bit ARGB) */
77    w = cucul_get_canvas_width(cv) * cucul_get_font_width(f);
78    h = cucul_get_canvas_height(cv) * cucul_get_font_height(f);
79    buf = malloc(4 * w * h);
80
81    /* Render the canvas onto our image buffer */
82    cucul_render_canvas(cv, f, buf, w, h, 4 * w);
83
84    /* Just for fun, render the image using libcaca */
85    cucul_set_canvas_size(cv, 80, 32);
86    dp = caca_create_display(cv);
87
88#if defined(HAVE_ENDIAN_H)
89    if(__BYTE_ORDER == __BIG_ENDIAN)
90#else
91    /* This is compile-time optimised with at least -O1 or -Os */
92    uint32_t const tmp = 0x12345678;
93    if(*(uint8_t const *)&tmp == 0x12)
94#endif
95        d = cucul_create_dither(32, w, h, 4 * w,
96                                0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
97    else
98        d = cucul_create_dither(32, w, h, 4 * w,
99                                0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff);
100
101    cucul_dither_bitmap(cv, 0, 0, cucul_get_canvas_width(cv),
102                                  cucul_get_canvas_height(cv), d, buf);
103    caca_refresh_display(dp);
104
105    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
106
107    /* Free everything */
108    caca_free_display(dp);
109    free(buf);
110    cucul_free_dither(d);
111    cucul_free_font(f);
112    cucul_free_canvas(cv);
113
114    return 0;
115}
116
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