# File lib/bio/graphics/image_map.rb, line 44
  def flip_orientation(width)
    @elements.each do |element|
      left, top, right, bottom = element.left, element.top, element.right, element.bottom
      element.left = top
      element.top = width - right
      element.right = bottom
      element.bottom = width - left
    end
  end