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/*
* swallow swallow another libcaca application
* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id: swallow.c 1060 2006-11-13 13:34:06Z sam $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Do What The Fuck You Want To
* Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
#include "config.h"
#include "common.h"
#if !defined(__KERNEL__)
# include <stdio.h>
# include <string.h>
# include <stdlib.h>
#endif
#include "cucul.h"
#include "caca.h"
int main(int argc, char **argv)
{
char cmd[BUFSIZ];
static cucul_canvas_t *cv, *app;
static caca_display_t *dp;
unsigned char *buf[4];
long int bytes[4], total[4];
FILE *f[4];
int w, h, i;
if(argc < 5)
{
fprintf(stderr, "usage: %s <cmd1> <cmd2> <cmd3> <cmd4>\n", argv[0]);
return 1;
}
cv = cucul_create_canvas(0, 0);
app = cucul_create_canvas(0, 0);
dp = caca_create_display(cv);
if(!dp)
return 1;
w = (cucul_get_canvas_width(cv) - 4) / 2;
h = (cucul_get_canvas_height(cv) - 6) / 2;
if(w < 0 || h < 0)
return 1;
cucul_set_color_ansi(cv, CUCUL_WHITE, CUCUL_BLUE);
cucul_draw_line(cv, 0, 0, cucul_get_canvas_width(cv) - 1, 0, ' ');
cucul_printf(cv, cucul_get_canvas_width(cv) / 2 - 10, 0,
"libcaca multiplexer");
for(i = 0; i < 4; i++)
{
buf[i] = NULL;
total[i] = bytes[i] = 0;
sprintf(cmd, "CACA_DRIVER=raw CACA_GEOMETRY=%ix%i %s",
w, h, argv[i + 1]);
f[i] = popen(cmd, "r");
if(!f[i])
return 1;
cucul_printf(cv, (w + 2) * (i / 2) + 1,
(h + 2) * ((i % 2) + 1), "%s", argv[i + 1]);
}
for(;;)
{
caca_event_t ev;
int ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0);
if(ret && ev.type & CACA_EVENT_KEY_PRESS)
break;
for(i = 0; i < 4; i++)
{
bytes[i] = cucul_import_memory(app, buf[i], total[i], "caca");
if(bytes[i] > 0)
{
total[i] -= bytes[i];
memmove(buf[i], buf[i] + bytes[i], total[i]);
cucul_blit(cv, (w + 2) * (i / 2) + 1,
(h + 2) * (i % 2) + 2, app, NULL);
caca_refresh_display(dp);
}
else if(bytes[i] == 0)
{
buf[i] = realloc(buf[i], total[i] + 128);
fread(buf[i] + total[i], 128, 1, f[i]);
total[i] += 128;
}
else
{
fprintf(stderr, "%s: corrupted input %i\n", argv[0], i);
return -1;
}
}
}
/* Clean up */
caca_free_display(dp);
cucul_free_canvas(cv);
cucul_free_canvas(app);
return 0;
}
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