source: libcaca/trunk/src/cacaplay.c @ 2049

Last change on this file since 2049 was 2049, checked in by Sam Hocevar, 12 years ago
  • Made the caca_event_t structure opaque and created a whole bunch of functions to access its real data. This is a big API change that will break your software, sorry :(
  • Property svn:keywords set to Id
File size: 2.7 KB
Line 
1/*
2 *  cacaplay      caca file player
3 *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id: cacaplay.c 2049 2007-11-25 11:11:54Z 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#   include <stdio.h>
20#   include <stdlib.h>
21#   include <sys/types.h>
22#   include <sys/stat.h>
23#   include <fcntl.h>
24#   include <string.h>
25#   include <unistd.h>
26#endif
27
28#include "cucul.h"
29#include "caca.h"
30
31int main(int argc, char **argv)
32{
33    cucul_canvas_t *cv, *app;
34    caca_display_t *dp;
35    unsigned char *buf = NULL;
36    long int bytes = 0, total = 0;
37    int fd;
38
39    if(argc < 2 || !strcmp(argv[1], "-"))
40    {
41        fd = 0; /* use stdin */
42    }
43    else
44    {
45        fd = open(argv[1], O_RDONLY);
46        if(fd < 0)
47        {
48            fprintf(stderr, "%s: could not open `%s'.\n", argv[0], argv[1]);
49            return 1;
50        }
51    }
52
53    cv = cucul_create_canvas(0, 0);
54    app = cucul_create_canvas(0, 0);
55    if(cv == NULL || app == NULL)
56    {
57        printf("Can't created canvas\n");
58        return -1;
59    }
60    dp = caca_create_display(cv);
61    if(dp == NULL)
62    {
63        printf("Can't create display\n");
64        return -1;
65    }
66
67
68    for(;;)
69    {
70        caca_event_t ev;
71        int ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0);
72        int eof = 0;
73
74        if(ret && caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)
75            break;
76
77        if(bytes == 0)
78        {
79            ssize_t n;
80            buf = realloc(buf, total + 1);
81            n = read(fd, buf + total, 1);
82            if(n < 0)
83            {
84                fprintf(stderr, "%s: read error\n", argv[0]);
85                return -1;
86            }
87            else if(n == 0)
88            {
89                eof = 1;
90            }
91            total += n;
92        }
93
94        bytes = cucul_import_memory(app, buf, total, "caca");
95
96        if(bytes > 0)
97        {
98            total -= bytes;
99            memmove(buf, buf + bytes, total);
100
101            cucul_blit(cv, 0, 0, app, NULL);
102            caca_refresh_display(dp);
103        }
104        else if(bytes < 0)
105        {
106            fprintf(stderr, "%s: corrupted caca file\n", argv[0]);
107            break;
108        }
109
110        if(eof)
111            break;
112    }
113
114    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
115
116    /* Clean up */
117    close(fd);
118
119    caca_free_display(dp);
120    cucul_free_canvas(cv);
121
122    return 0;
123}
124
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