1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* libopenraw - thumbc.c
*
* Copyright (C) 2006,2008 Hubert Figuiere
*
* 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 2.1 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 <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <libopenraw/libopenraw.h>
int
main(int argc, char **argv)
{
char *filename;
int thumb_size = 160;
int opt;
ORThumbnailRef thumbnail = NULL;
while ((opt = getopt(argc, argv, "s:")) != -1) {
switch(opt) {
case 's':
thumb_size = atoi(optarg);
break;
default:
break;
}
}
if(optind >= argc) {
fprintf(stderr, "Missing filename\n");
return 1;
}
filename = argv[optind];
(void)argc;
or_debug_set_level(DEBUG2);
if(filename && *filename)
{
void *thumbnailData;
or_data_type thumbnailFormat;
size_t dataSize;
size_t writtenSize;
FILE *output;
uint32_t x, y;
or_error err;
err = or_get_extract_thumbnail(filename,
thumb_size, &thumbnail);
if (err == OR_ERROR_NONE) {
const char* outfname = "thumb.raw";
thumbnailFormat = or_thumbnail_format(thumbnail);
dataSize = or_thumbnail_data_size(thumbnail);
or_thumbnail_dimensions(thumbnail, &x, &y);
switch (thumbnailFormat) {
case OR_DATA_TYPE_JPEG:
printf("Thumbnail in JPEG format, thumb size is %u, %u\n", x, y);
outfname = "thumb.jpg";
break;
case OR_DATA_TYPE_PIXMAP_8RGB:
printf("Thumbnail in 8RGB format, thumb size is %u, %u\n", x, y);
outfname = "thumb.ppm";
break;
default:
printf("Thumbnail in UNKNOWN format, thumb size is %u, %u\n", x, y);
break;
}
output = fopen(outfname, "wb");
thumbnailData = or_thumbnail_data(thumbnail);
if(thumbnailFormat == OR_DATA_TYPE_PIXMAP_8RGB) {
fprintf(output, "P6\n");
fprintf(output, "%u\n%u\n", x, y);
fprintf(output, "%d\n", 255);
}
writtenSize = fwrite(thumbnailData, dataSize, 1, output);
if(writtenSize != dataSize) {
printf("short write\n");
}
fclose(output);
printf("output %u bytes in '%s'\n", dataSize, outfname);
err = or_thumbnail_release(thumbnail);
if (err != OR_ERROR_NONE)
{
printf("error release %d\n", err);
}
}
else {
printf("error %d\n", err);
}
}
else {
printf("No input file name\n");
}
return 0;
}
|
