java - Set transparent background of the taken Snapshot -

i use snapshot() method on shape object in order convert imageview , nest label. problem is, when take snapshot of shape object closed square field white background. there way make transparent? use code below in order convert given shape imageview object:

writableimage snapshot = shape.snapshot(new snapshotparameters(), null); imageview imageview = new imageview(snapshot); label label = new label(); label.setgraphic(imageview); pane.getchildren().add(label); 

here go

snapshotparameters parameters = new snapshotparameters(); parameters.setfill(color.transparent); writableimage snapshot = shape.snapshot(parameters, null); ...