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/* Read a file using libMagick
*
* 17/12/11
* - 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
*/
/* Turn on debugging output.
#define DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <glib/gi18n-lib.h>
#include <vips/vips.h>
#include <vips/vips7compat.h>
#include "../foreign/pforeign.h"
int
im_magick2vips( const char *filename, IMAGE *out )
{
#ifdef HAVE_MAGICK
/* Old behaviour was always to read all frames.
*/
return( vips__magick_read( filename, out, NULL, 0, -1 ) );
#else
vips_error( "im_magick2vips",
"%s", _( "no libMagick support in your libvips" ) );
return( -1 );
#endif /*HAVE_MAGICK*/
}
static int
ismagick( const char *filename )
{
return( vips_foreign_is_a( "magickload", filename ) );
}
static const char *magick_suffs[] = { NULL };
/* magick format adds no new members.
*/
typedef VipsFormat VipsFormatMagick;
typedef VipsFormatClass VipsFormatMagickClass;
static void
vips_format_magick_class_init( VipsFormatMagickClass *class )
{
VipsObjectClass *object_class = (VipsObjectClass *) class;
VipsFormatClass *format_class = (VipsFormatClass *) class;
object_class->nickname = "magick";
object_class->description = _( "libMagick-supported" );
format_class->is_a = ismagick;
format_class->load = im_magick2vips;
format_class->suffs = magick_suffs;
/* This can be very slow :-( Use our own jpeg/tiff/png etc. loaders in
* preference if we can.
*/
format_class->priority = -1000;
}
static void
vips_format_magick_init( VipsFormatMagick *object )
{
}
G_DEFINE_TYPE( VipsFormatMagick, vips_format_magick, VIPS_TYPE_FORMAT );
int
im_bufmagick2vips( void *buf, size_t len, IMAGE *out, gboolean header_only )
{
VipsImage *t;
/* header_only is automatic ... this call will only decompress on
* pixel access.
*/
if( vips_magickload_buffer( buf, len, &t, NULL ) )
return( -1 );
if( vips_image_write( t, out ) ) {
g_object_unref( t );
return( -1 );
}
g_object_unref( t );
return( 0 );
}
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