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/* exif-mnote.c
*
* Copyright 2002 Lutz M\uffffller <lutz@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <libexif/exif-data.h>
static int
test_exif_data (ExifData *d)
{
unsigned int i, c;
char v[1024], *p;
ExifMnoteData *md;
fprintf (stdout, "Byte order: %s\n",
exif_byte_order_get_name (exif_data_get_byte_order (d)));
fprintf (stdout, "Parsing maker note...\n");
md = exif_data_get_mnote_data (d);
if (!md) {
fprintf (stderr, "Could not parse maker note!\n");
exif_data_unref (d);
return 1;
}
fprintf (stdout, "Increasing ref-count...\n");
exif_mnote_data_ref (md);
fprintf (stdout, "Decreasing ref-count...\n");
exif_mnote_data_unref (md);
fprintf (stdout, "Counting entries...\n");
c = exif_mnote_data_count (md);
fprintf (stdout, "Found %i entries.\n", c);
for (i = 0; i < c; i++) {
fprintf (stdout, "Dumping entry number %i...\n", i);
fprintf (stdout, " Name: '%s'\n",
exif_mnote_data_get_name (md, i));
fprintf (stdout, " Title: '%s'\n",
exif_mnote_data_get_title (md, i));
fprintf (stdout, " Description: '%s'\n",
exif_mnote_data_get_description (md, i));
p = exif_mnote_data_get_value (md, i, v, sizeof (v));
if (p) { fprintf (stdout, " Value: '%s'\n", v); }
}
return 0;
}
int
main (int argc, char **argv)
{
ExifData *d;
unsigned int buf_size;
unsigned char *buf;
int r;
if (argc <= 1) {
fprintf (stderr, "You need to supply a filename!\n");
return 1;
}
fprintf (stdout, "Loading '%s'...\n", argv[1]);
d = exif_data_new_from_file (argv[1]);
if (!d) {
fprintf (stderr, "Could not load data from '%s'!\n", argv[1]);
return 1;
}
fprintf (stdout, "Loaded '%s'.\n", argv[1]);
fprintf (stdout, "######### Test 1 #########\n");
r = test_exif_data (d);
if (r) return r;
exif_data_save_data (d, &buf, &buf_size);
exif_data_unref (d);
d = exif_data_new_from_data (buf, buf_size);
free (buf);
fprintf (stdout, "######### Test 2 #########\n");
r = test_exif_data (d);
if (r) return r;
fprintf (stdout, "Test successful!\n");
return 1;
}