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