254 lines
6.2 KiB
C
254 lines
6.2 KiB
C
/* load webp images
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*
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* 6/8/13
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* - from pngload.c
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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 DEBUG_VERBOSE
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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 <vips/intl.h>
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#ifdef HAVE_LIBWEBP
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#include <vips/vips.h>
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#include "webp.h"
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typedef struct _VipsForeignLoadWebp {
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VipsForeignLoad parent_object;
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} VipsForeignLoadWebp;
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typedef VipsForeignLoadClass VipsForeignLoadWebpClass;
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G_DEFINE_ABSTRACT_TYPE( VipsForeignLoadWebp, vips_foreign_load_webp,
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VIPS_TYPE_FOREIGN_LOAD );
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static VipsForeignFlags
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vips_foreign_load_webp_get_flags( VipsForeignLoad *load )
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{
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return( 0 );
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}
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static int
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vips_foreign_load_webp_build( VipsObject *object )
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{
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if( VIPS_OBJECT_CLASS( vips_foreign_load_webp_parent_class )->
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build( object ) )
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return( -1 );
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return( 0 );
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}
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static void
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vips_foreign_load_webp_class_init( VipsForeignLoadWebpClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "webpload_base";
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object_class->description = _( "load webp" );
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object_class->build = vips_foreign_load_webp_build;
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load_class->get_flags = vips_foreign_load_webp_get_flags;
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}
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static void
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vips_foreign_load_webp_init( VipsForeignLoadWebp *webp )
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{
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}
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typedef struct _VipsForeignLoadWebpFile {
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VipsForeignLoadWebp parent_object;
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/* Filename for load.
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*/
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char *filename;
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} VipsForeignLoadWebpFile;
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typedef VipsForeignLoadWebpClass VipsForeignLoadWebpFileClass;
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G_DEFINE_TYPE( VipsForeignLoadWebpFile, vips_foreign_load_webp_file,
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vips_foreign_load_webp_get_type() );
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static VipsForeignFlags
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vips_foreign_load_webp_file_get_flags_filename( const char *filename )
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{
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return( 0 );
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}
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static gboolean
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vips_foreign_load_webp_file_is_a( const char *filename )
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{
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return( vips__iswebp( filename ) );
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}
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static int
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vips_foreign_load_webp_file_header( VipsForeignLoad *load )
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{
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VipsForeignLoadWebpFile *file = (VipsForeignLoadWebpFile *) load;
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if( vips__webp_read_file_header( file->filename, load->out ) )
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return( -1 );
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return( 0 );
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}
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static int
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vips_foreign_load_webp_file_load( VipsForeignLoad *load )
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{
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VipsForeignLoadWebpFile *file = (VipsForeignLoadWebpFile *) load;
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if( vips__webp_read_file( file->filename, load->real ) )
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return( -1 );
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return( 0 );
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}
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const char *vips__webp_suffs[] = { ".webp", NULL };
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static void
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vips_foreign_load_webp_file_class_init( VipsForeignLoadWebpFileClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignClass *foreign_class = (VipsForeignClass *) class;
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VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "webpload";
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object_class->description = _( "load webp from file" );
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foreign_class->suffs = vips__webp_suffs;
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load_class->get_flags_filename =
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vips_foreign_load_webp_file_get_flags_filename;
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load_class->is_a = vips_foreign_load_webp_file_is_a;
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load_class->header = vips_foreign_load_webp_file_header;
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load_class->load = vips_foreign_load_webp_file_load;
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VIPS_ARG_STRING( class, "filename", 1,
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_( "Filename" ),
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_( "Filename to load from" ),
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VIPS_ARGUMENT_REQUIRED_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadWebpFile, filename ),
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NULL );
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}
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static void
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vips_foreign_load_webp_file_init( VipsForeignLoadWebpFile *file )
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{
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}
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typedef struct _VipsForeignLoadWebpBuffer {
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VipsForeignLoadWebp parent_object;
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/* Load from a buffer.
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*/
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VipsArea *buf;
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} VipsForeignLoadWebpBuffer;
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typedef VipsForeignLoadWebpClass VipsForeignLoadWebpBufferClass;
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G_DEFINE_TYPE( VipsForeignLoadWebpBuffer, vips_foreign_load_webp_buffer,
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vips_foreign_load_webp_get_type() );
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static int
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vips_foreign_load_webp_buffer_header( VipsForeignLoad *load )
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{
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VipsForeignLoadWebpBuffer *buffer = (VipsForeignLoadWebpBuffer *) load;
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if( vips__webp_read_buffer_header( buffer->buf->data,
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buffer->buf->length, load->out ) )
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return( -1 );
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return( 0 );
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}
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static int
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vips_foreign_load_webp_buffer_load( VipsForeignLoad *load )
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{
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VipsForeignLoadWebpBuffer *buffer = (VipsForeignLoadWebpBuffer *) load;
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if( vips__webp_read_buffer( buffer->buf->data, buffer->buf->length,
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load->real ) )
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return( -1 );
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return( 0 );
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}
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static void
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vips_foreign_load_webp_buffer_class_init(
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VipsForeignLoadWebpBufferClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "webpload_buffer";
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object_class->description = _( "load webp from buffer" );
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load_class->is_a_buffer = vips__iswebp_buffer;
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load_class->header = vips_foreign_load_webp_buffer_header;
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load_class->load = vips_foreign_load_webp_buffer_load;
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VIPS_ARG_BOXED( class, "buffer", 1,
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_( "Buffer" ),
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_( "Buffer to load from" ),
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VIPS_ARGUMENT_REQUIRED_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadWebpBuffer, buf ),
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VIPS_TYPE_BLOB );
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}
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static void
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vips_foreign_load_webp_buffer_init( VipsForeignLoadWebpBuffer *buffer )
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{
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}
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#endif /*HAVE_LIBWEBP*/
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