boilerplate for webp read
This commit is contained in:
John Cupitt
parent
addc48f70a
commit
1af06d5ac9
15
configure.ac
15
configure.ac
@ -528,6 +528,20 @@ if test x"$with_cfitsio" != "xno"; then
|
||||
])
|
||||
fi
|
||||
|
||||
# libwebp
|
||||
AC_ARG_WITH([libwebp],
|
||||
AS_HELP_STRING([--without-libwebp], [build without libwebp (default: test)]))
|
||||
|
||||
if test x"$with_libwebp" != "xno"; then
|
||||
PKG_CHECK_MODULES(LIBWEBP, libwebp,
|
||||
[AC_DEFINE(HAVE_LIBWEBP,1,[define if you have libwebp installed.])
|
||||
with_libwebp=yes
|
||||
PACKAGES_USED="$PACKAGES_USED libwebp"],
|
||||
[AC_MSG_WARN([libwebp not found; disabling libwebp support])
|
||||
with_libwebp=no
|
||||
])
|
||||
fi
|
||||
|
||||
# pangoft2
|
||||
AC_ARG_WITH([pangoft2],
|
||||
AS_HELP_STRING([--without-pangoft2],
|
||||
@ -759,6 +773,7 @@ file import with OpenSlide: $with_openslide
|
||||
(requires openslide-3.3.0 or later)
|
||||
file import with matio: $with_matio
|
||||
file import with cfitsio: $with_cfitsio
|
||||
file import/export with libwebp: $with_libwebp
|
||||
text rendering with pangoft2: $with_pangoft2
|
||||
file import/export with libpng: $with_png
|
||||
(requires libpng-1.2.9 or later)
|
||||
|
||||
@ -50,6 +50,9 @@ libforeign_la_SOURCES = \
|
||||
openslide2vips.h \
|
||||
openslide2vips.c \
|
||||
openslideload.c \
|
||||
webp.h \
|
||||
webpload.c \
|
||||
webp2vips.c \
|
||||
vips2jpeg.c \
|
||||
jpeg2vips.c \
|
||||
jpeg.h \
|
||||
|
||||
@ -1609,6 +1609,8 @@ vips_foreign_operation_init( void )
|
||||
extern GType vips_foreign_save_raw_fd_get_type( void );
|
||||
extern GType vips_foreign_load_magick_get_type( void );
|
||||
extern GType vips_foreign_save_dz_get_type( void );
|
||||
extern GType vips_foreign_load_webp_file_get_type( void );
|
||||
extern GType vips_foreign_load_webp_buffer_get_type( void );
|
||||
|
||||
vips_foreign_load_rad_get_type();
|
||||
vips_foreign_save_rad_get_type();
|
||||
@ -1645,6 +1647,11 @@ vips_foreign_operation_init( void )
|
||||
vips_foreign_save_jpeg_mime_get_type();
|
||||
#endif /*HAVE_JPEG*/
|
||||
|
||||
#ifdef HAVE_LIBWEBP
|
||||
vips_foreign_load_webp_file_get_type();
|
||||
vips_foreign_load_webp_buffer_get_type();
|
||||
#endif /*HAVE_LIBWEBP*/
|
||||
|
||||
#ifdef HAVE_TIFF
|
||||
vips_foreign_load_tiff_get_type();
|
||||
vips_foreign_save_tiff_get_type();
|
||||
@ -2075,6 +2082,34 @@ vips_jpegsave( VipsImage *in, const char *filename, ... )
|
||||
return( result );
|
||||
}
|
||||
|
||||
/**
|
||||
* vips_webpload:
|
||||
* @filename: file to load
|
||||
* @out: decompressed image
|
||||
* @...: %NULL-terminated list of optional named arguments
|
||||
*
|
||||
* Optional arguments:
|
||||
*
|
||||
*
|
||||
* Read a webp file into a VIPS image.
|
||||
*
|
||||
* See also:
|
||||
*
|
||||
* Returns: 0 on success, -1 on error.
|
||||
*/
|
||||
int
|
||||
vips_webpload( const char *filename, VipsImage **out, ... )
|
||||
{
|
||||
va_list ap;
|
||||
int result;
|
||||
|
||||
va_start( ap, out );
|
||||
result = vips_call_split( "webpload", ap, filename, out );
|
||||
va_end( ap );
|
||||
|
||||
return( result );
|
||||
}
|
||||
|
||||
/**
|
||||
* vips_openexrload:
|
||||
* @filename: file to load
|
||||
|
||||
50
libvips/foreign/webp.h
Normal file
50
libvips/foreign/webp.h
Normal file
@ -0,0 +1,50 @@
|
||||
/* common defs for webp read/write
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
Copyright (C) 1991-2005 The National Gallery
|
||||
|
||||
This library 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 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
This library 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 library; 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
|
||||
|
||||
*/
|
||||
|
||||
#ifndef VIPS_WEBP_H
|
||||
#define VIPS_WEBP_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
int vips__iswebp( const char *filename );
|
||||
|
||||
int vips__webp_read_file_header( const char *name, VipsImage *out );
|
||||
int vips__webp_read_file( const char *name, VipsImage *out );
|
||||
|
||||
int vips__webp_read_buffer_header( void *buf, size_t len, VipsImage *out );
|
||||
int vips__webp_read_buffer( void *buf, size_t len, VipsImage *out );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
#endif /*VIPS_WEBP_H*/
|
||||
98
libvips/foreign/webp2vips.c
Normal file
98
libvips/foreign/webp2vips.c
Normal file
@ -0,0 +1,98 @@
|
||||
/* read with libwebp
|
||||
*
|
||||
* 6/8/13
|
||||
* - from webp2vips.c
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
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 DEBUG_VERBOSE
|
||||
#define DEBUG
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif /*HAVE_CONFIG_H*/
|
||||
#include <vips/intl.h>
|
||||
|
||||
#ifdef HAVE_LIBWEBP
|
||||
|
||||
#include <webp/decode.h>
|
||||
|
||||
#include <vips/vips.h>
|
||||
|
||||
#include "webp.h"
|
||||
|
||||
int
|
||||
vips__iswebp( const char *filename )
|
||||
{
|
||||
unsigned char buf[2];
|
||||
|
||||
if( vips__get_bytes( filename, buf, 2 ) )
|
||||
if( (int) buf[0] == 0xff && (int) buf[1] == 0xd8 )
|
||||
return( 1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int
|
||||
vips__webp_read_file_header( const char *filename, VipsImage *out )
|
||||
{
|
||||
printf( "vips__webp_read_file_header\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int
|
||||
vips__webp_read_file( const char *filename, VipsImage *out )
|
||||
{
|
||||
printf( "vips__webp_read_file\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int
|
||||
vips__webp_read_buffer_header( void *buf, size_t len, VipsImage *out )
|
||||
{
|
||||
printf( "vips__webp_read_buffer_header\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int
|
||||
vips__webp_read_buffer( void *buf, size_t len, VipsImage *out )
|
||||
{
|
||||
printf( "vips__webp_read_buffer\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /*HAVE_LIBWEBP*/
|
||||
|
||||
|
||||
262
libvips/foreign/webpload.c
Normal file
262
libvips/foreign/webpload.c
Normal file
@ -0,0 +1,262 @@
|
||||
/* load webp images
|
||||
*
|
||||
* 6/8/13
|
||||
* - from webpload.c
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
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 DEBUG_VERBOSE
|
||||
#define DEBUG
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif /*HAVE_CONFIG_H*/
|
||||
#include <vips/intl.h>
|
||||
|
||||
#ifdef HAVE_LIBWEBP
|
||||
|
||||
#include <vips/vips.h>
|
||||
|
||||
#include "webp.h"
|
||||
|
||||
typedef struct _VipsForeignLoadWebp {
|
||||
VipsForeignLoad parent_object;
|
||||
|
||||
} VipsForeignLoadWebp;
|
||||
|
||||
typedef VipsForeignLoadClass VipsForeignLoadWebpClass;
|
||||
|
||||
G_DEFINE_ABSTRACT_TYPE( VipsForeignLoadWebp, vips_foreign_load_webp,
|
||||
VIPS_TYPE_FOREIGN_LOAD );
|
||||
|
||||
static VipsForeignFlags
|
||||
vips_foreign_load_webp_get_flags( VipsForeignLoad *load )
|
||||
{
|
||||
/* The libwebp reader supports sequential read.
|
||||
*/
|
||||
return( VIPS_FOREIGN_SEQUENTIAL );
|
||||
}
|
||||
|
||||
static int
|
||||
vips_foreign_load_webp_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignLoadWebp *webp = (VipsForeignLoadWebp *) object;
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_load_webp_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_load_webp_class_init( VipsForeignLoadWebpClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "webpload_base";
|
||||
object_class->description = _( "load webp" );
|
||||
object_class->build = vips_foreign_load_webp_build;
|
||||
|
||||
load_class->get_flags = vips_foreign_load_webp_get_flags;
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_load_webp_init( VipsForeignLoadWebp *webp )
|
||||
{
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignLoadWebpFile {
|
||||
VipsForeignLoadWebp parent_object;
|
||||
|
||||
/* Filename for load.
|
||||
*/
|
||||
char *filename;
|
||||
|
||||
} VipsForeignLoadWebpFile;
|
||||
|
||||
typedef VipsForeignLoadWebpClass VipsForeignLoadWebpFileClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignLoadWebpFile, vips_foreign_load_webp_file,
|
||||
vips_foreign_load_webp_get_type() );
|
||||
|
||||
static VipsForeignFlags
|
||||
vips_foreign_load_webp_file_get_flags_filename( const char *filename )
|
||||
{
|
||||
/* The webp reader supports sequential read.
|
||||
*/
|
||||
return( VIPS_FOREIGN_SEQUENTIAL );
|
||||
}
|
||||
|
||||
static gboolean
|
||||
vips_foreign_load_webp_file_is_a( const char *filename )
|
||||
{
|
||||
return( vips__iswebp( filename ) );
|
||||
}
|
||||
|
||||
static int
|
||||
vips_foreign_load_webp_file_header( VipsForeignLoad *load )
|
||||
{
|
||||
VipsForeignLoadWebp *webp = (VipsForeignLoadWebp *) load;
|
||||
VipsForeignLoadWebpFile *file = (VipsForeignLoadWebpFile *) load;
|
||||
|
||||
if( vips__webp_read_file_header( file->filename, load->out ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static int
|
||||
vips_foreign_load_webp_file_load( VipsForeignLoad *load )
|
||||
{
|
||||
VipsForeignLoadWebp *webp = (VipsForeignLoadWebp *) load;
|
||||
VipsForeignLoadWebpFile *file = (VipsForeignLoadWebpFile *) load;
|
||||
|
||||
if( vips__webp_read_file( file->filename, load->real ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static const char *webp_suffs[] = { ".webp", NULL };
|
||||
|
||||
static void
|
||||
vips_foreign_load_webp_file_class_init( VipsForeignLoadWebpFileClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
VipsForeignClass *foreign_class = (VipsForeignClass *) class;
|
||||
VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "webpload";
|
||||
object_class->description = _( "load webp from file" );
|
||||
|
||||
foreign_class->suffs = webp_suffs;
|
||||
|
||||
load_class->get_flags_filename =
|
||||
vips_foreign_load_webp_file_get_flags_filename;
|
||||
load_class->is_a = vips_foreign_load_webp_file_is_a;
|
||||
load_class->header = vips_foreign_load_webp_file_header;
|
||||
load_class->load = vips_foreign_load_webp_file_load;
|
||||
|
||||
VIPS_ARG_STRING( class, "filename", 1,
|
||||
_( "Filename" ),
|
||||
_( "Filename to load from" ),
|
||||
VIPS_ARGUMENT_REQUIRED_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignLoadWebpFile, filename ),
|
||||
NULL );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_load_webp_file_init( VipsForeignLoadWebpFile *file )
|
||||
{
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignLoadWebpBuffer {
|
||||
VipsForeignLoadWebp parent_object;
|
||||
|
||||
/* Load from a buffer.
|
||||
*/
|
||||
VipsArea *buf;
|
||||
|
||||
} VipsForeignLoadWebpBuffer;
|
||||
|
||||
typedef VipsForeignLoadWebpClass VipsForeignLoadWebpBufferClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignLoadWebpBuffer, vips_foreign_load_webp_buffer,
|
||||
vips_foreign_load_webp_get_type() );
|
||||
|
||||
static int
|
||||
vips_foreign_load_webp_buffer_header( VipsForeignLoad *load )
|
||||
{
|
||||
VipsForeignLoadWebp *webp = (VipsForeignLoadWebp *) load;
|
||||
VipsForeignLoadWebpBuffer *buffer = (VipsForeignLoadWebpBuffer *) load;
|
||||
|
||||
if( vips__webp_read_buffer_header( buffer->buf->data,
|
||||
buffer->buf->length, load->out ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static int
|
||||
vips_foreign_load_webp_buffer_load( VipsForeignLoad *load )
|
||||
{
|
||||
VipsForeignLoadWebp *webp = (VipsForeignLoadWebp *) load;
|
||||
VipsForeignLoadWebpBuffer *buffer = (VipsForeignLoadWebpBuffer *) load;
|
||||
|
||||
if( vips__webp_read_buffer( buffer->buf->data, buffer->buf->length,
|
||||
load->real ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_load_webp_buffer_class_init(
|
||||
VipsForeignLoadWebpBufferClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "webpload_buffer";
|
||||
object_class->description = _( "load webp from buffer" );
|
||||
|
||||
load_class->header = vips_foreign_load_webp_buffer_header;
|
||||
load_class->load = vips_foreign_load_webp_buffer_load;
|
||||
|
||||
VIPS_ARG_BOXED( class, "buffer", 1,
|
||||
_( "Buffer" ),
|
||||
_( "Buffer to load from" ),
|
||||
VIPS_ARGUMENT_REQUIRED_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignLoadWebpBuffer, buf ),
|
||||
VIPS_TYPE_BLOB );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_load_webp_buffer_init( VipsForeignLoadWebpBuffer *buffer )
|
||||
{
|
||||
}
|
||||
|
||||
#endif /*HAVE_LIBWEBP*/
|
||||
@ -319,6 +319,9 @@ int vips_jpegsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
|
||||
int vips_jpegsave_mime( VipsImage *in, ... )
|
||||
__attribute__((sentinel));
|
||||
|
||||
int vips_webpload( const char *filename, VipsImage **out, ... )
|
||||
__attribute__((sentinel));
|
||||
|
||||
/**
|
||||
* VipsForeignTiffCompression:
|
||||
* @VIPS_FOREIGN_TIFF_COMPRESSION_NONE: no compression
|
||||
|
||||
Loading…
Reference in New Issue
Block a user