283 lines
7.1 KiB
C
283 lines
7.1 KiB
C
/* load tiff from a file
|
|
*
|
|
* 5/12/11
|
|
* - from tiffload.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
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif /*HAVE_CONFIG_H*/
|
|
#include <vips/intl.h>
|
|
|
|
#ifdef HAVE_TIFF
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <vips/vips.h>
|
|
#include <vips/buf.h>
|
|
#include <vips/internal.h>
|
|
|
|
#include "tiff.h"
|
|
|
|
typedef struct _VipsForeignLoadTiff {
|
|
VipsForeignLoad parent_object;
|
|
|
|
/* Load this page.
|
|
*/
|
|
int page;
|
|
|
|
} VipsForeignLoadTiff;
|
|
|
|
typedef VipsForeignLoadClass VipsForeignLoadTiffClass;
|
|
|
|
G_DEFINE_ABSTRACT_TYPE( VipsForeignLoadTiff, vips_foreign_load_tiff,
|
|
VIPS_TYPE_FOREIGN_LOAD );
|
|
|
|
static void
|
|
vips_foreign_load_tiff_class_init( VipsForeignLoadTiffClass *class )
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
|
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
|
|
|
/* Other libraries may be using libtiff, we want to capture tiff
|
|
* warning and error as soon as we can.
|
|
*
|
|
* This class init will be triggered during startup.
|
|
*/
|
|
vips__tiff_init();
|
|
|
|
gobject_class->set_property = vips_object_set_property;
|
|
gobject_class->get_property = vips_object_get_property;
|
|
|
|
object_class->nickname = "tiffload_base";
|
|
object_class->description = _( "load tiff" );
|
|
|
|
VIPS_ARG_INT( class, "page", 10,
|
|
_( "Page" ),
|
|
_( "Load this page from the image" ),
|
|
VIPS_ARGUMENT_OPTIONAL_INPUT,
|
|
G_STRUCT_OFFSET( VipsForeignLoadTiff, page ),
|
|
0, 100000, 0 );
|
|
}
|
|
|
|
static void
|
|
vips_foreign_load_tiff_init( VipsForeignLoadTiff *tiff )
|
|
{
|
|
tiff->page = 0;
|
|
}
|
|
|
|
typedef struct _VipsForeignLoadTiffFile {
|
|
VipsForeignLoadTiff parent_object;
|
|
|
|
/* Filename for load.
|
|
*/
|
|
char *filename;
|
|
|
|
} VipsForeignLoadTiffFile;
|
|
|
|
typedef VipsForeignLoadTiffClass VipsForeignLoadTiffFileClass;
|
|
|
|
G_DEFINE_TYPE( VipsForeignLoadTiffFile, vips_foreign_load_tiff_file,
|
|
vips_foreign_load_tiff_get_type() );
|
|
|
|
static VipsForeignFlags
|
|
vips_foreign_load_tiff_file_get_flags_filename( const char *filename )
|
|
{
|
|
VipsForeignFlags flags;
|
|
|
|
flags = 0;
|
|
if( vips__istifftiled( filename ) )
|
|
flags |= VIPS_FOREIGN_PARTIAL;
|
|
else
|
|
flags |= VIPS_FOREIGN_SEQUENTIAL;
|
|
|
|
return( flags );
|
|
}
|
|
|
|
static VipsForeignFlags
|
|
vips_foreign_load_tiff_file_get_flags( VipsForeignLoad *load )
|
|
{
|
|
VipsForeignLoadTiffFile *file = (VipsForeignLoadTiffFile *) load;
|
|
|
|
return( vips_foreign_load_tiff_file_get_flags_filename(
|
|
file->filename ) );
|
|
}
|
|
|
|
static int
|
|
vips_foreign_load_tiff_file_header( VipsForeignLoad *load )
|
|
{
|
|
VipsForeignLoadTiff *tiff = (VipsForeignLoadTiff *) load;
|
|
VipsForeignLoadTiffFile *file = (VipsForeignLoadTiffFile *) load;
|
|
|
|
if( vips__tiff_read_header( file->filename, load->out, tiff->page ) )
|
|
return( -1 );
|
|
|
|
VIPS_SETSTR( load->out->filename, file->filename );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
static int
|
|
vips_foreign_load_tiff_file_load( VipsForeignLoad *load )
|
|
{
|
|
VipsForeignLoadTiff *tiff = (VipsForeignLoadTiff *) load;
|
|
VipsForeignLoadTiffFile *file = (VipsForeignLoadTiffFile *) load;
|
|
|
|
if( vips__tiff_read( file->filename, load->real, tiff->page,
|
|
load->access == VIPS_ACCESS_SEQUENTIAL ) )
|
|
return( -1 );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
const char *vips__foreign_tiff_suffs[] = { ".tif", ".tiff", NULL };
|
|
|
|
static void
|
|
vips_foreign_load_tiff_file_class_init( VipsForeignLoadTiffFileClass *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 = "tiffload";
|
|
object_class->description = _( "load tiff from file" );
|
|
|
|
/* We are fast, but must test after openslideload.
|
|
*/
|
|
foreign_class->priority = 50;
|
|
|
|
foreign_class->suffs = vips__foreign_tiff_suffs;
|
|
|
|
load_class->is_a = vips__istiff;
|
|
load_class->get_flags_filename =
|
|
vips_foreign_load_tiff_file_get_flags_filename;
|
|
load_class->get_flags = vips_foreign_load_tiff_file_get_flags;
|
|
load_class->header = vips_foreign_load_tiff_file_header;
|
|
load_class->load = vips_foreign_load_tiff_file_load;
|
|
|
|
VIPS_ARG_STRING( class, "filename", 1,
|
|
_( "Filename" ),
|
|
_( "Filename to load from" ),
|
|
VIPS_ARGUMENT_REQUIRED_INPUT,
|
|
G_STRUCT_OFFSET( VipsForeignLoadTiffFile, filename ),
|
|
NULL );
|
|
}
|
|
|
|
static void
|
|
vips_foreign_load_tiff_file_init( VipsForeignLoadTiffFile *file )
|
|
{
|
|
}
|
|
|
|
typedef struct _VipsForeignLoadTiffBuffer {
|
|
VipsForeignLoadTiff parent_object;
|
|
|
|
/* Load from a buffer.
|
|
*/
|
|
VipsArea *buf;
|
|
|
|
} VipsForeignLoadTiffBuffer;
|
|
|
|
typedef VipsForeignLoadTiffClass VipsForeignLoadTiffBufferClass;
|
|
|
|
G_DEFINE_TYPE( VipsForeignLoadTiffBuffer, vips_foreign_load_tiff_buffer,
|
|
vips_foreign_load_tiff_get_type() );
|
|
|
|
static int
|
|
vips_foreign_load_tiff_buffer_header( VipsForeignLoad *load )
|
|
{
|
|
VipsForeignLoadTiff *tiff = (VipsForeignLoadTiff *) load;
|
|
VipsForeignLoadTiffBuffer *buffer = (VipsForeignLoadTiffBuffer *) load;
|
|
|
|
if( vips__tiff_read_header_buffer(
|
|
buffer->buf->data, buffer->buf->length, load->out,
|
|
tiff->page ) )
|
|
return( -1 );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
static int
|
|
vips_foreign_load_tiff_buffer_load( VipsForeignLoad *load )
|
|
{
|
|
VipsForeignLoadTiff *tiff = (VipsForeignLoadTiff *) load;
|
|
VipsForeignLoadTiffBuffer *buffer = (VipsForeignLoadTiffBuffer *) load;
|
|
|
|
if( vips__tiff_read_buffer(
|
|
buffer->buf->data, buffer->buf->length, load->real,
|
|
tiff->page,
|
|
load->access == VIPS_ACCESS_SEQUENTIAL ) )
|
|
return( -1 );
|
|
|
|
return( 0 );
|
|
}
|
|
|
|
static void
|
|
vips_foreign_load_tiff_buffer_class_init(
|
|
VipsForeignLoadTiffBufferClass *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 = "tiffload_buffer";
|
|
object_class->description = _( "load tiff from buffer" );
|
|
|
|
load_class->is_a_buffer = vips__istiff_buffer;
|
|
load_class->header = vips_foreign_load_tiff_buffer_header;
|
|
load_class->load = vips_foreign_load_tiff_buffer_load;
|
|
|
|
VIPS_ARG_BOXED( class, "buffer", 1,
|
|
_( "Buffer" ),
|
|
_( "Buffer to load from" ),
|
|
VIPS_ARGUMENT_REQUIRED_INPUT,
|
|
G_STRUCT_OFFSET( VipsForeignLoadTiffBuffer, buf ),
|
|
VIPS_TYPE_BLOB );
|
|
}
|
|
|
|
static void
|
|
vips_foreign_load_tiff_buffer_init( VipsForeignLoadTiffBuffer *buffer )
|
|
{
|
|
}
|
|
|
|
#endif /*HAVE_TIFF*/
|