# File lib/gruff/bar.rb, line 9
  def draw
    # Labels will be centered over the left of the bar if
    # there are more labels than columns. This is basically the same 
    # as where it would be for a line graph.
    @center_labels_over_point = (@labels.keys.length > @column_count ? true : false)
    
    super
    return unless @has_data

    draw_bars
  end