142 lines
3.0 KiB
C
142 lines
3.0 KiB
C
/*
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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
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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 <vips/vips.h>
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#include <vips/vips7compat.h>
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#include <vips/internal.h>
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#include "../foreign/pforeign.h"
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static int
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webp2vips( const char *name, IMAGE *out, gboolean header_only )
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{
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char filename[FILENAME_MAX];
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char mode[FILENAME_MAX];
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im_filename_split( name, filename, mode );
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#ifdef HAVE_LIBWEBP
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{
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VipsSource *source;
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int result;
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if( !(source = vips_source_new_from_file( filename )) )
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return( -1 );
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if( header_only )
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result = vips__webp_read_header_source( source, out, 0, 1, 1 );
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else
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result = vips__webp_read_source( source, out, 0, 1, 1 );
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VIPS_UNREF( source );
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if( result )
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return( result );
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}
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#else
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vips_error( "im_webp2vips",
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"%s", _( "no webp support in your libvips" ) );
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return( -1 );
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#endif /*HAVE_LIBWEBP*/
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return( 0 );
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}
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static gboolean
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vips__iswebp( const char *filename )
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{
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gboolean result;
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#ifdef HAVE_LIBWEBP
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VipsSource *source;
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if( !(source = vips_source_new_from_file( filename )) )
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return( FALSE );
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result = vips__iswebp_source( source );
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VIPS_UNREF( source );
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#else /*!HAVE_LIBWEBP*/
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result = -1;
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#endif /*HAVE_LIBWEBP*/
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return( result );
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}
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int
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im_webp2vips( const char *name, IMAGE *out )
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{
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return( webp2vips( name, out, FALSE ) );
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}
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#ifdef HAVE_LIBWEBP
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static int
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im_webp2vips_header( const char *name, IMAGE *out )
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{
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return( webp2vips( name, out, TRUE ) );
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}
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static const char *webp_suffs[] = { ".webp", NULL };
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typedef VipsFormat VipsFormatWebp;
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typedef VipsFormatClass VipsFormatWebpClass;
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static void
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vips_format_webp_class_init( VipsFormatWebpClass *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 = "webp";
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object_class->description = _( "webp" );
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format_class->is_a = vips__iswebp;
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format_class->header = im_webp2vips_header;
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format_class->load = im_webp2vips;
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format_class->save = im_vips2webp;
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format_class->suffs = webp_suffs;
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}
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static void
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vips_format_webp_init( VipsFormatWebp *object )
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{
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}
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G_DEFINE_TYPE( VipsFormatWebp, vips_format_webp, VIPS_TYPE_FORMAT );
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#endif /*HAVE_LIBWEBP*/
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