96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
/* Convert 1 to 4-band 8 or 16-bit VIPS images to/from PNG.
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*
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* 19/12/11
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* - just a stub
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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 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 <glib/gi18n-lib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <vips/vips.h>
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#include <vips/vips7compat.h>
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#include <vips/internal.h>
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#include <vips/debug.h>
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int
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im_vips2png( IMAGE *in, const char *filename )
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{
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int compression;
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int interlace;
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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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/* Extract write mode from filename and parse.
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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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compression = 6;
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interlace = 0;
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if( (q = im_getnextoption( &p )) )
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compression = atoi( q );
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if( (q = im_getnextoption( &p )) )
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interlace = atoi( q );
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return( vips_pngsave( in, name,
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"compression", compression, "interlace", interlace, NULL ) );
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}
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int
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im_vips2bufpng( IMAGE *in, IMAGE *out,
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int compression, int interlace, char **obuf, size_t *olen )
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{
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if( vips_pngsave_buffer( in, (void **) obuf, olen,
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"compression", compression,
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"interlace", interlace,
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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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return( 0 );
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}
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