sergiotarxz/libvips
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almost working

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get a 1x1 pixel output now
This commit is contained in:
John Cupitt 2018-07-19 16:06:21 +01:00
parent 06a40cc7ee
commit 9179156132
5 changed files with 43 additions and 5 deletions
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2
libvips/foreign/niftiload.c
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@ -290,7 +290,7 @@ vips__foreign_nifti_map( VipsNiftiMapFn fn, void *a, void *b )
GValue value = { 0 };
g_value_init( &value, vips_foreign_nifti_fields[i].type );
result = fn( vips_foreign_nifti_fields[i].name, &value,
result = fn( vips_foreign_nifti_fields[i].name, &value,
vips_foreign_nifti_fields[i].offset, a, b );
g_value_unset( &value );

7
libvips/foreign/niftisave.c
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@ -230,6 +230,7 @@ vips_foreign_save_nifti_header_nifti( VipsForeignSaveNifti *nifti,
static int
vips_foreign_save_nifti_build( VipsObject *object )
{
VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( object );
VipsForeignSave *save = (VipsForeignSave *) object;
VipsForeignSaveNifti *nifti = (VipsForeignSaveNifti *) object;
@ -255,6 +256,12 @@ vips_foreign_save_nifti_build( VipsObject *object )
/* set ext, plus other stuff
*/
if( nifti_set_filenames( nifti->nim, nifti->filename, FALSE, TRUE ) ) {
vips_error( class->nickname,
"%s", _( "unable to set nifti filename" ) );
return( -1 );
}
if( !(nifti->nim->data =
vips_image_write_to_memory( save->ready, NULL )) )
return( -1 );

24
libvips/iofuncs/type.c
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@ -454,6 +454,26 @@ transform_save_string_double( const GValue *src_value, GValue *dest_value )
NULL ) );
}
static void
transform_float_save_string( const GValue *src_value, GValue *dest_value )
{
char buf[G_ASCII_DTOSTR_BUF_SIZE];
/* Need to be locale independent.
*/
g_ascii_dtostr( buf, G_ASCII_DTOSTR_BUF_SIZE,
g_value_get_float( src_value ) );
vips_value_set_save_string( dest_value, buf );
}
static void
transform_save_string_float( const GValue *src_value, GValue *dest_value )
{
g_value_set_float( dest_value,
g_ascii_strtod( vips_value_get_save_string( src_value ),
NULL ) );
}
/* Save meta fields to the header. We have a new string type for header fields
* to save to XML and define transform functions to go from our meta types to
* this string type.
@ -1847,4 +1867,8 @@ vips__meta_init_types( void )
transform_double_save_string );
g_value_register_transform_func( VIPS_TYPE_SAVE_STRING, G_TYPE_DOUBLE,
transform_save_string_double );
g_value_register_transform_func( G_TYPE_FLOAT, VIPS_TYPE_SAVE_STRING,
transform_float_save_string );
g_value_register_transform_func( VIPS_TYPE_SAVE_STRING, G_TYPE_FLOAT,
transform_save_string_float );
}

4
libvips/iofuncs/vips.c
View File

@ -840,6 +840,10 @@ build_xml_meta( VipsMeta *meta, VipsDbuf *dbuf )
g_value_unset( &save_value );
}
else {
printf( "unable to convert %s for save\n",
g_type_name( type ) );
}
return( NULL );
}

11
m4/nifti.m4
View File

@ -24,11 +24,14 @@ if test "$with_nifti" = "no"; then
fi
AC_ARG_WITH(nifti-includes,
AS_HELP_STRING([--with-nifti-includes=DIR], [libnifti includes are in DIR]),
NIFTI_INCLUDES="-I$withval")
AS_HELP_STRING([--with-nifti-includes=DIR], [libniftiio includes are in DIR]),
NIFTI_INCLUDES="-I$withval"
)
AC_ARG_WITH(nifti-libraries,
AS_HELP_STRING([--with-nifti-libraries=DIR], [libnifti libraries are in DIR]),
NIFTI_LIBS="-L$withval -lnifti")
AS_HELP_STRING([--with-nifti-libraries=DIR],
[libniftiio libraries are in DIR]),
NIFTI_LIBS="-L$withval -lniftiio"
)
AC_MSG_CHECKING(for NIFTI)