def annotate(draw, width, height, x, y, text, &block)
      check_destroyed
      draw.annotate(self, width, height, x, y, text, &block)
      self
    end
def annotate(draw, width, height, x, y, text, &block)
      check_destroyed
      draw.annotate(self, width, height, x, y, text, &block)
      self
    end
Provide an alternate version of Draw#annotate, for folks who
 want to find it in this class.