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/* save to fits
*
* 2/12/11
* - wrap a class around the fits writer
* 2/7/14
* - cache the image before write so we are sequential
*/
/*
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 <glib/gi18n-lib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vips/vips.h>
#ifdef HAVE_CFITSIO
#include "pforeign.h"
typedef struct _VipsForeignSaveFits {
VipsForeignSave parent_object;
/* Filename for save.
*/
char *filename;
} VipsForeignSaveFits;
typedef VipsForeignSaveClass VipsForeignSaveFitsClass;
G_DEFINE_TYPE( VipsForeignSaveFits, vips_foreign_save_fits,
VIPS_TYPE_FOREIGN_SAVE );
static int
vips_foreign_save_fits_build( VipsObject *object )
{
VipsForeignSave *save = (VipsForeignSave *) object;
VipsForeignSaveFits *fits = (VipsForeignSaveFits *) object;
VipsImage **t = (VipsImage **)
vips_object_local_array( VIPS_OBJECT( fits ), 2 );
if( VIPS_OBJECT_CLASS( vips_foreign_save_fits_parent_class )->
build( object ) )
return( -1 );
/* FITS is written bottom-to-top, so we must flip.
*
* But all vips readers must work top-to-bottom (or vips_copy()'s seq
* hint won't work) so we must cache the input image.
*
* We cache to RAM, but perhaps we should use something like
* vips_get_disc_threshold() and copy to a tempfile.
*/
t[0] = vips_image_new_memory();
if( vips_image_write( save->ready, t[0] ) ||
vips_flip( t[0], &t[1], VIPS_DIRECTION_VERTICAL, NULL ) ||
vips__fits_write( t[1], fits->filename ) )
return( -1 );
return( 0 );
}
/* Save a bit of typing.
*/
#define UC VIPS_FORMAT_UCHAR
#define C VIPS_FORMAT_CHAR
#define US VIPS_FORMAT_USHORT
#define S VIPS_FORMAT_SHORT
#define UI VIPS_FORMAT_UINT
#define I VIPS_FORMAT_INT
#define F VIPS_FORMAT_FLOAT
#define X VIPS_FORMAT_COMPLEX
#define D VIPS_FORMAT_DOUBLE
#define DX VIPS_FORMAT_DPCOMPLEX
static VipsBandFormat bandfmt_fits[10] = {
/* Band format: UC C US S UI I F X D DX */
/* Promotion: */ UC, UC, US, US, UI, UI, F, X, D, DX
};
static void
vips_foreign_save_fits_class_init( VipsForeignSaveFitsClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *object_class = (VipsObjectClass *) class;
VipsOperationClass *operation_class = VIPS_OPERATION_CLASS( class );
VipsForeignClass *foreign_class = (VipsForeignClass *) class;
VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
object_class->nickname = "fitssave";
object_class->description = _( "save image to fits file" );
object_class->build = vips_foreign_save_fits_build;
/* cfitsio has not been fuzzed, so should not be used with
* untrusted input unless you are very careful.
*/
operation_class->flags |= VIPS_OPERATION_UNTRUSTED;
foreign_class->suffs = vips__fits_suffs;
save_class->saveable = VIPS_SAVEABLE_ANY;
save_class->format_table = bandfmt_fits;
VIPS_ARG_STRING( class, "filename", 1,
_( "Filename" ),
_( "Filename to save to" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsForeignSaveFits, filename ),
NULL );
}
static void
vips_foreign_save_fits_init( VipsForeignSaveFits *fits )
{
}
#endif /*HAVE_CFITSIO*/
/**
* vips_fitssave: (method)
* @in: image to save
* @filename: file to write to
* @...: %NULL-terminated list of optional named arguments
*
* Write a VIPS image to a file in FITS format.
*
* See also: vips_image_write_to_file().
*
* Returns: 0 on success, -1 on error.
*/
int
vips_fitssave( VipsImage *in, const char *filename, ... )
{
va_list ap;
int result;
va_start( ap, filename );
result = vips_call_split( "fitssave", ap, in, filename );
va_end( ap );
return( result );
}
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