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
|
/* Convert 8-bit VIPS images to/from JPEG.
*
* 30/11/11
* - now just a stub calling the new system
*/
/*
This file is part of VIPS.
VIPS 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 program 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
/*
#define DEBUG_VERBOSE
#define DEBUG
#define VIPS_DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <glib/gi18n-lib.h>
#include <string.h>
#include <stdlib.h>
#include <vips/vips.h>
#include <vips/vips7compat.h>
#include <vips/internal.h>
int
im_vips2jpeg( IMAGE *in, const char *filename )
{
int qfac = 75;
/* profile has to default to NULL, meaning "no param". If we default
* to "none" we will not attach the profile from the metadata.
*/
char *profile = NULL;
char *p, *q;
char name[FILENAME_MAX];
char mode[FILENAME_MAX];
char buf[FILENAME_MAX];
/* Parse mode from filename.
*/
im_filename_split( filename, name, mode );
strcpy( buf, mode );
p = &buf[0];
if( (q = im_getnextoption( &p )) ) {
if( strcmp( q, "" ) != 0 )
qfac = atoi( mode );
}
if( (q = im_getnextoption( &p )) ) {
if( strcmp( q, "" ) != 0 )
profile = q;
}
if( (q = im_getnextoption( &p )) ) {
im_error( "im_vips2jpeg",
_( "unknown extra options \"%s\"" ), q );
return( -1 );
}
return( vips_jpegsave( in, name,
"Q", qfac, "profile", profile, NULL ) );
}
int
im_vips2bufjpeg( IMAGE *in, IMAGE *out, int qfac, char **obuf, int *olen )
{
size_t len;
if( vips_jpegsave_buffer( in, (void **) obuf, &len, "Q", qfac, NULL ) )
return( -1 );
if( out )
im_add_callback( out, "close",
(im_callback_fn) vips_free, obuf, NULL );
if( olen )
*olen = len;
return( 0 );
}
int
im_vips2mimejpeg( IMAGE *in, int qfac )
{
return( vips_jpegsave_mime( in, "Q", qfac, NULL ) );
}
|
