sergiotarxz/libvips
sergiotarxz/libvips
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more save work

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This commit is contained in:
John Cupitt 2018-07-16 12:49:12 +01:00
parent 7496381fc9
commit 1028907e58
1 changed files with 40 additions and 16 deletions
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56
libvips/foreign/niftisave.c
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@ -84,31 +84,60 @@ static int
vips_foreign_save_nifti_header_vips( VipsForeignSaveNifti *nifti,
VipsImage *image )
{
g_assert( FALSE );
return( 0 );
}
typedef struct _VipsNdimInfo {
VipsImage *image;
int *dims;
int n;
} VipsNdimInfo;
static void *
vips_foreign_save_nifti_set_dims( const char *name, GValue *value, glong offset,
void *a, void *b )
{
VipsNdimInfo *info = (VipsNdimInfo *) a;
/* The first 8 members are the dims fields.
*/
if( info->n < 7 ) {
char txt[256];
vips_snprintf( txt, 256, "nifti-%s", name );
if( vips_image_get_int( image, name, &info->dims[i] ) )
return( info );
}
info->n += 1;
return( NULL );
}
/* Make ->nim from the nifti- fields.
*/
static int
vips_foreign_save_nifti_header_nifti( VipsForeignSaveNifti *nifti,
VipsImage *image )
{
VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( nifti );
VipsNdimInfo info;
int dims[8];
int datatype;
int height;
int i;
/* The first 8 members of vips_foreign_nifti_fields[] are the dims
* fields.
*/
for( i = 0; i < VIPS_NUMBER( dims ); i++ ) {
static char name[256];
info.image = image;
info.dims = dims;
info.n = 0;
if( vips__foreign_nifti_map(
vips_foreign_save_nifti_set_dims, &info, NULL ) )
return( -1 );
vips_snprintf( name, 256, "nifti-%s",
vips_foreign_nifti_fields[i].name );
if( vips_image_get_int( image, name, &dims[i] ) )
return( -1 );
}
height = 1;
for( i = 2; i < VIPS_NUMBER( dims ) && i < dims[0]; i++ )
@ -120,12 +149,7 @@ vips_foreign_save_nifti_header_nifti( VipsForeignSaveNifti *nifti,
return( -1 );
}
datatype = -1;
for( i = 0; i < vips_foreign_DT2Vips; i++ )
if( vips_foreign_DT2Vips[i].format == image.format ) {
datatype = vips_foreign_DT2Vips[i].datatype;
break;
}
datatype = vips__foreign_nifti_BandFmt2datatype( image->BandFmt );
if( datatype == -1 ) {
vips_error( class->nickname,
"%s", _( "unsupported libvips image type" ) );