Makes @self display the given @paintable.
If @paintable is %NULL, nothing will be displayed.
See [ctor@Gtk.Picture.new_for_paintable] for details.
a GdkPaintable or %NULL
See Implementation
Makes @self display the given @paintable.
If @paintable is %NULL, nothing will be displayed.
See [ctor@Gtk.Picture.new_for_paintable] for details.