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