1/* exif-mnote.c
2 *
3 * Copyright 2002 Lutz M\uffffller <lutz@users.sourceforge.net>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA  02110-1301  USA.
19 */
20
21#include <config.h>
22
23#include <stdio.h>
24#include <stdlib.h>
25
26#include <libexif/exif-data.h>
27
28static int
29test_exif_data (ExifData *d)
30{
31	unsigned int i, c;
32	char v[1024], *p;
33	ExifMnoteData *md;
34
35	fprintf (stdout, "Byte order: %s\n",
36		exif_byte_order_get_name (exif_data_get_byte_order (d)));
37
38	fprintf (stdout, "Parsing maker note...\n");
39	md = exif_data_get_mnote_data (d);
40	if (!md) {
41		fprintf (stderr, "Could not parse maker note!\n");
42		exif_data_unref (d);
43		return 1;
44	}
45
46	fprintf (stdout, "Increasing ref-count...\n");
47	exif_mnote_data_ref (md);
48
49	fprintf (stdout, "Decreasing ref-count...\n");
50	exif_mnote_data_unref (md);
51
52	fprintf (stdout, "Counting entries...\n");
53	c = exif_mnote_data_count (md);
54	fprintf (stdout, "Found %i entries.\n", c);
55	for (i = 0; i < c; i++) {
56		fprintf (stdout, "Dumping entry number %i...\n", i);
57		fprintf (stdout, "  Name: '%s'\n",
58				exif_mnote_data_get_name (md, i));
59		fprintf (stdout, "  Title: '%s'\n",
60				exif_mnote_data_get_title (md, i));
61		fprintf (stdout, "  Description: '%s'\n",
62				exif_mnote_data_get_description (md, i));
63		p = exif_mnote_data_get_value (md, i, v, sizeof (v));
64		if (p) { fprintf (stdout, "  Value: '%s'\n", v); }
65	}
66
67	return 0;
68}
69
70int
71main (int argc, char **argv)
72{
73	ExifData *d;
74	unsigned int buf_size;
75	unsigned char *buf;
76	int r;
77
78	if (argc <= 1) {
79		fprintf (stderr, "You need to supply a filename!\n");
80		return 1;
81	}
82
83	fprintf (stdout, "Loading '%s'...\n", argv[1]);
84	d = exif_data_new_from_file (argv[1]);
85	if (!d) {
86		fprintf (stderr, "Could not load data from '%s'!\n", argv[1]);
87		return 1;
88	}
89	fprintf (stdout, "Loaded '%s'.\n", argv[1]);
90
91	fprintf (stdout, "######### Test 1 #########\n");
92	r = test_exif_data (d);
93	if (r) return r;
94
95	exif_data_save_data (d, &buf, &buf_size);
96	exif_data_unref (d);
97	d = exif_data_new_from_data (buf, buf_size);
98	free (buf);
99
100	fprintf (stdout, "######### Test 2 #########\n");
101	r = test_exif_data (d);
102	if (r) return r;
103
104	fprintf (stdout, "Test successful!\n");
105
106	return 1;
107}
108