6794764: Translucent windows are completely repainted on every paint event, on Windows 6719382: Printing of AWT components on windows is not working 6726866: Repainting artifacts when resizing or dragging JInternalFrames in non-opaque toplevel 6683775: Painting artifacts is seen when panel is made setOpaque(false) for a translucent window Reviewed-by: anthony, tdv, alexp