7bdc1e54f2
im_vips2bufjpeg() etc. needed a valid output IMAGE*, annoyingly
112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
/* Convert 8-bit VIPS images to/from JPEG.
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*
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* 30/11/11
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* - now just a stub calling the new system
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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/*
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#define DEBUG_VERBOSE
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#define DEBUG
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#define VIPS_DEBUG
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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int
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im_vips2jpeg( IMAGE *in, const char *filename )
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{
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int qfac = 75;
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/* profile has to default to NULL, meaning "no param". If we default
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* to "none" we will not attach the profile from the metadata.
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*/
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char *profile = NULL;
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char *p, *q;
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char name[FILENAME_MAX];
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char mode[FILENAME_MAX];
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char buf[FILENAME_MAX];
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/* Parse mode from filename.
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*/
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im_filename_split( filename, name, mode );
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strcpy( buf, mode );
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p = &buf[0];
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if( (q = im_getnextoption( &p )) ) {
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if( strcmp( q, "" ) != 0 )
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qfac = atoi( mode );
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}
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if( (q = im_getnextoption( &p )) ) {
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if( strcmp( q, "" ) != 0 )
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profile = q;
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}
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if( (q = im_getnextoption( &p )) ) {
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im_error( "im_vips2jpeg",
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_( "unknown extra options \"%s\"" ), q );
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return( -1 );
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}
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return( vips_jpegsave( in, name,
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"Q", qfac, "profile", profile, NULL ) );
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}
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int
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im_vips2bufjpeg( IMAGE *in, IMAGE *out, int qfac, char **obuf, int *olen )
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{
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size_t len;
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if( vips_jpegsave_buffer( in, (void **) obuf, &len, "Q", qfac, NULL ) )
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return( -1 );
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if( out )
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im_add_callback( out, "close",
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(im_callback_fn) vips_free, obuf, NULL );
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if( olen )
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*olen = len;
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return( 0 );
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}
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int
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im_vips2mimejpeg( IMAGE *in, int qfac )
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{
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return( vips_jpegsave_mime( in, "Q", qfac, NULL ) );
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}
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