add niftiload skeleton

This commit is contained in:
John Cupitt 2018-06-29 17:31:17 +01:00
parent 93881b8dec
commit 6dc6b4f722
5 changed files with 192 additions and 2 deletions

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@ -1297,8 +1297,8 @@ do
done | sort -ru`
VIPS_CFLAGS=`echo $VIPS_CFLAGS`
VIPS_CFLAGS="$VIPS_DEBUG_FLAGS $VIPS_CFLAGS"
VIPS_INCLUDES="$ZLIB_INCLUDES $PNG_INCLUDES $TIFF_INCLUDES $JPEG_INCLUDES"
VIPS_LIBS="$ZLIB_LIBS $MAGICK_LIBS $PNG_LIBS $IMAGEQUANT_LIBS $TIFF_LIBS $JPEG_LIBS $GTHREAD_LIBS $REQUIRED_LIBS $EXPAT_LIBS $PANGOFT2_LIBS $GSF_LIBS $FFTW_LIBS $ORC_LIBS $LCMS_LIBS $GIFLIB_LIBS $RSVG_LIBS $PDFIUM_LIBS $POPPLER_LIBS $OPENEXR_LIBS $OPENSLIDE_LIBS $CFITSIO_LIBS $LIBWEBP_LIBS $LIBWEBPMUX_LIBS $MATIO_LIBS $EXIF_LIBS -lm"
VIPS_INCLUDES="$ZLIB_INCLUDES $PNG_INCLUDES $TIFF_INCLUDES $JPEG_INCLUDES $NIFTI_INCLUDES"
VIPS_LIBS="$ZLIB_LIBS $MAGICK_LIBS $PNG_LIBS $IMAGEQUANT_LIBS $TIFF_LIBS $JPEG_LIBS $GTHREAD_LIBS $REQUIRED_LIBS $EXPAT_LIBS $PANGOFT2_LIBS $GSF_LIBS $FFTW_LIBS $ORC_LIBS $LCMS_LIBS $GIFLIB_LIBS $RSVG_LIBS $NIFTI_LIBS $PDFIUM_LIBS $POPPLER_LIBS $OPENEXR_LIBS $OPENSLIDE_LIBS $CFITSIO_LIBS $LIBWEBP_LIBS $LIBWEBPMUX_LIBS $MATIO_LIBS $EXIF_LIBS -lm"
AC_SUBST(VIPS_LIBDIR)

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@ -2,6 +2,7 @@ noinst_LTLIBRARIES = libforeign.la
libforeign_la_SOURCES = \
pforeign.h \
niftiload.c \
quantise.c \
exif.c \
gifload.c \

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@ -1836,6 +1836,7 @@ vips_foreign_operation_init( void )
extern GType vips_foreign_load_svg_get_type( void );
extern GType vips_foreign_load_svg_file_get_type( void );
extern GType vips_foreign_load_svg_buffer_get_type( void );
extern GType vips_foreign_load_nifti_get_type( void );
extern GType vips_foreign_load_gif_get_type( void );
extern GType vips_foreign_load_gif_file_get_type( void );
extern GType vips_foreign_load_gif_buffer_get_type( void );
@ -1958,6 +1959,10 @@ vips_foreign_operation_init( void )
vips_foreign_load_openexr_get_type();
#endif /*HAVE_OPENEXR*/
#ifdef HAVE_NIFTI
vips_foreign_load_nifti_get_type();
#endif /*HAVE_NIFTI*/
vips__foreign_load_operation =
g_quark_from_static_string( "vips-foreign-load-operation" );
}

181
libvips/foreign/niftiload.c Normal file
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@ -0,0 +1,181 @@
/* load nifti from a file
*
* 29/6/18
* - from niftiload.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>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vips/vips.h>
#include <vips/debug.h>
#include <vips/internal.h>
#ifdef HAVE_NIFTI
#include <nifti1_io.h>
#include "pforeign.h"
typedef struct _VipsForeignLoadNifti {
VipsForeignLoad parent_object;
/* Filename for load.
*/
char *filename;
} VipsForeignLoadNifti;
typedef VipsForeignLoadClass VipsForeignLoadNiftiClass;
G_DEFINE_TYPE( VipsForeignLoadNifti, vips_foreign_load_nifti,
VIPS_TYPE_FOREIGN_LOAD );
static int
vips_foreign_load_nifti_is_a( const char *filename )
{
nifti_image *nim;
gboolean result;
VIPS_DEBUG_MSG( "nifti_is_a: testing \"%s\"\n", filename );
result = FALSE;
if( (nim = nifti_image_read( filename, FALSE )) ) {
nifti_image_free( nim );
result = TRUE;
}
return( result );
}
static int
vips_foreign_load_nifti_header( VipsForeignLoad *load )
{
VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( load );
VipsForeignLoadNifti *nifti = (VipsForeignLoadNifti *) load;
nifti_image *nim;
/* FALSE means don't read data, just the header. Use
* nifti_image_load() later to pull the data in.
*/
if( !(nim = nifti_image_read( nifti->filename, FALSE )) ) {
vips_error( class->nickname,
"%s", _( "unable to read NIFTI file" ) );
return( 0 );
}
/* Set load->out.
*/
nifti_image_free( nim );
VIPS_SETSTR( load->out->filename, nifti->filename );
return( 0 );
}
const char *vips__nifti_suffs[] = { ".nii", ".nii.gz", NULL };
static void
vips_foreign_load_nifti_class_init( VipsForeignLoadNiftiClass *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 = "niftiload";
object_class->description = _( "load a FITS image" );
/* is_a() is not that quick ... lower the priority.
*/
foreign_class->priority = -50;
foreign_class->suffs = vips__nifti_suffs;
load_class->is_a = vips_foreign_load_nifti_is_a;
load_class->header = vips_foreign_load_nifti_header;
VIPS_ARG_STRING( class, "filename", 1,
_( "Filename" ),
_( "Filename to load from" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsForeignLoadNifti, filename ),
NULL );
}
static void
vips_foreign_load_nifti_init( VipsForeignLoadNifti *nifti )
{
}
#endif /*HAVE_CFITSIO*/
/**
* vips_niftiload:
* @filename: file to load
* @out: (out): decompressed image
* @...: %NULL-terminated list of optional named arguments
*
* Read a NIFTI image file into a VIPS image.
*
* NIFTI metadata is attached with the "nifti-" prefix.
*
* See also: vips_image_new_from_file().
*
* Returns: 0 on success, -1 on error.
*/
int
vips_niftiload( const char *filename, VipsImage **out, ... )
{
va_list ap;
int result;
va_start( ap, out );
result = vips_call_split( "niftiload", ap, filename, out );
va_end( ap );
return( result );
}

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@ -560,6 +560,9 @@ int vips_gifload( const char *filename, VipsImage **out, ... )
int vips_gifload_buffer( void *buf, size_t len, VipsImage **out, ... )
__attribute__((sentinel));
int vips_niftiload( const char *filename, VipsImage **out, ... )
__attribute__((sentinel));
/**
* VipsForeignDzLayout:
* @VIPS_FOREIGN_DZ_LAYOUT_DZ: use DeepZoom directory layout