- /*
- * swallow swallow another libcaca application
- * Copyright (c) 2006-2009 Sam Hocevar <sam@hocevar.net>
- * All Rights Reserved
- *
- * This program is free software. It comes without any warranty, to
- * the extent permitted by applicable law. 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"
-
- #if !defined(__KERNEL__)
- # include <stdio.h>
- # include <string.h>
- # include <stdlib.h>
- #endif
-
- #include "caca.h"
-
- int main(int argc, char **argv)
- {
- char cmd[BUFSIZ];
- static caca_canvas_t *cv, *app;
- static caca_display_t *dp;
- uint8_t *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 = caca_create_canvas(0, 0);
- app = caca_create_canvas(0, 0);
- dp = caca_create_display(cv);
-
- if(cv == NULL || app == NULL )
- {
- printf("Can't created canvas\n");
- return -1;
- }
- if(dp == NULL)
- {
- printf("Can't create display\n");
- return -1;
- }
-
- w = (caca_get_canvas_width(cv) - 4) / 2;
- h = (caca_get_canvas_height(cv) - 6) / 2;
-
- if(w < 0 || h < 0)
- return 1;
-
- caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
- caca_draw_line(cv, 0, 0, caca_get_canvas_width(cv) - 1, 0, ' ');
- caca_printf(cv, caca_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;
- caca_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 && caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)
- break;
-
- for(i = 0; i < 4; i++)
- {
- bytes[i] = caca_import_canvas_from_memory(app, buf[i],
- total[i], "caca");
-
- if(bytes[i] > 0)
- {
- total[i] -= bytes[i];
- memmove(buf[i], buf[i] + bytes[i], total[i]);
-
- caca_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);
- caca_free_canvas(cv);
- caca_free_canvas(app);
-
- return 0;
- }
-
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