/* Call im_fzone via arg vector.
*/
static int
fzone_vec( im_object *argv )
{
int size = *((int *) argv[1]);
return( im_fzone( argv[0], size ) );
}
/* As above, but make a IM_BANDFMT_UCHAR image.
*/
int
im_zone( IMAGE *im, int size )
{
IMAGE *t1 = im_open_local( im, "im_zone:1", "p" );
IMAGE *t2 = im_open_local( im, "im_zone:2", "p" );
if( !t1 || !t2 )
return( -1 );
if( im_fzone( t1, size ) ||
im_lintra( 127.5, t1, 127.5, t2 ) ||
im_clip2fmt( t2, im, IM_BANDFMT_UCHAR ) )
return( -1 );
return( 0 );
}
