draw (Gruff::Bullet)

    # File lib/gruff/bullet.rb, line 46
      def draw
        # TODO Left label
        # TODO Bottom labels and markers
        # @graph_bottom
        # Calculations are off 800x???

        @colors.reverse!

        draw_title

        @margin       = 30.0
        @thickness    = @raw_rows / 6.0
        @right_margin = @margin
        @graph_left   = @title_width * 1.3 rescue @margin # HACK Need to calculate real width
        @graph_width  = @raw_columns - @graph_left - @right_margin
        @graph_height = @thickness * 3.0

        # Background
        @d = @d.fill @colors[0]
        @d = @d.rectangle(@graph_left, 0, @graph_left + @graph_width, @graph_height)

        [:high, :low].each_with_index do |indicator, index|
          next unless @options.has_key?(indicator)
          @d = @d.fill @colors[index + 1]
          indicator_width_x  = @graph_left + @graph_width * (@options[indicator] / @maximum_value)
          @d = @d.rectangle(@graph_left, 0, indicator_width_x, @graph_height)
        end

        if @options.has_key?(:target)
          @d = @d.fill @font_color
          target_x = @graph_left + @graph_width * (@options[:target] / @maximum_value)
          half_thickness = @thickness / 2.0
          @d = @d.rectangle(target_x, half_thickness, target_x + half_thickness, @thickness * 2 + half_thickness)
        end

        # Value
        @d = @d.fill @font_color
        @d = @d.rectangle(@graph_left, @thickness, @graph_left + @graph_width * (@value / @maximum_value), @thickness * 2)

        @d.draw(@base_image)
      end