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/* Convert 1 to 4-band 8 or 16-bit VIPS images to/from PNG.
*
* 19/12/11
* - just a stub
*/
/*
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 VIPS_DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <glib/gi18n-lib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vips/vips.h>
#include <vips/internal.h>
#include <vips/debug.h>
int
im_vips2png(IMAGE *in, const char *filename)
{
int compression;
int interlace;
char *p, *q;
char name[FILENAME_MAX];
char mode[FILENAME_MAX];
char buf[FILENAME_MAX];
/* Extract write mode from filename and parse.
*/
im_filename_split(filename, name, mode);
strcpy(buf, mode);
p = &buf[0];
compression = 6;
interlace = 0;
if ((q = im_getnextoption(&p)))
compression = atoi(q);
if ((q = im_getnextoption(&p)))
interlace = atoi(q);
return vips_pngsave(in, name,
"compression", compression, "interlace", interlace, NULL);
}
int
im_vips2bufpng(IMAGE *in, IMAGE *out,
int compression, int interlace, char **obuf, size_t *olen)
{
if (vips_pngsave_buffer(in, (void **) obuf, olen,
"compression", compression,
"interlace", interlace,
NULL))
return -1;
if (out)
im_add_callback(out, "close",
(im_callback_fn) vips_free, obuf, NULL);
return 0;
}
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