* Implemented a proof-of-concept cacaplay program that can redisplay a

single frame that was saved by the raw driver.

caca/driver_raw.c

@@ -57,18 +57,26 @@ static void raw_display(caca_t *kk)
 {
     uint8_t *attr = kk->qq->attr;
     uint32_t *chars = kk->qq->chars;
-    int n;
+    uint32_t w, h;
+    unsigned int n;
+
+    w = kk->qq->width;
+    h = kk->qq->height;
+
+    fprintf(stdout, "CACA%c%c%c%c%c%c%c%c",
+                    (w >> 24), (w >> 16) & 0xff, (w >> 8) & 0xff, w & 0xff,
+                    (h >> 24), (h >> 16) & 0xff, (h >> 8) & 0xff, h & 0xff);
 
-    fprintf(stdout, "CACA %i %i\n", kk->qq->width, kk->qq->height);
     for(n = kk->qq->height * kk->qq->width; n--; )
     {
         uint32_t c = *chars++;
         uint8_t a = *attr++;
 
-        fprintf(stdout, "%c%c%c%c %c", (c >> 24), (c >> 16) & 0xff,
-                                       (c >> 8) & 0xff, c & 0xff, a);
+        fprintf(stdout, "%c%c%c%c%c", (c >> 24), (c >> 16) & 0xff,
+                                      (c >> 8) & 0xff, c & 0xff, a);
     }
-    fprintf(stdout, "ACAC\n");
+
+    fprintf(stdout, "ACAC");
     fflush(stdout);
 }
 

src/Makefile.am

@@ -5,7 +5,7 @@ pkgdata_DATA = caca.txt
 EXTRA_DIST = caca.txt
 AM_CPPFLAGS = -I$(top_srcdir)/cucul -I$(top_srcdir)/caca -DLIBCACA=1 -DX_DISPLAY_MISSING=1
 
-bin_PROGRAMS = cacafire cacaball cacaplas cacaview cacamoir
+bin_PROGRAMS = cacafire cacaball cacaplas cacaview cacamoir cacaplay
 
 cacafire_SOURCES = aafire.c
 cacafire_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@
@@ -29,3 +29,6 @@ cacaview_CFLAGS =
 cacaview_LDFLAGS =
 endif
 
+cacaplay_SOURCES = cacaplay.c
+cacaplay_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@
+

src/cacaplay.c

@@ -0,0 +1,81 @@
+/*
+ *  cacaplay      caca file player
+ *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
+ *                All Rights Reserved
+ *
+ *  $Id$
+ *
+ *  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 <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "cucul.h"
+#include "caca.h"
+
+int main(int argc, char **argv)
+{
+    struct stat statbuf;
+    struct caca_event ev;
+    cucul_t *qq;
+    caca_t *kk;
+    void *buffer;
+    int fd;
+
+    if(argc < 2)
+    {
+        fprintf(stderr, "%s: missing argument (filename).\n", argv[0]);
+        return 1;
+    }
+
+    fd = open(argv[1], O_RDONLY);
+    if(!fd)
+    {
+        fprintf(stderr, "%s: could not open %s.\n", argv[0], argv[1]);
+        return 1;
+    }
+
+    if(fstat(fd, &statbuf))
+    {
+        fprintf(stderr, "%s: could not stat %s.\n", argv[0], argv[1]);
+        return 1;
+    }
+
+    buffer = malloc(statbuf.st_size);
+    read(fd, buffer, statbuf.st_size);
+    qq = cucul_load(buffer, statbuf.st_size);
+    free(buffer);
+
+    if(!qq)
+    {
+        fprintf(stderr, "%s: invalid caca file %s.\n", argv[0], argv[1]);
+        return 1;
+    }
+
+    kk = caca_attach(qq);
+
+    caca_display(kk);
+
+    while(caca_wait_event(kk, CACA_EVENT_KEY_PRESS, &ev))
+    {
+        if(ev.data.key.c == CACA_KEY_ESCAPE)
+            break;
+    }
+
+    /* Clean up */
+    caca_detach(kk);
+    cucul_free(qq);
+
+    return 0;
+}
+