[] (PDF::Writer::TagUline)

          # File lib/pdf/writer.rb, line 2593
    2593:       def [](pdf, info)
    2594:         @style ||= DEFAULT_STYLE.dup
    2595:
    2596:         case info[:status]
    2597:         when :start, :start_line
    2598:           @links ||= {}
    2599:
    2600:           @links[info[:cbid]] = {
    2601:             :x         => info[:x],
    2602:             :y         => info[:y],
    2603:             :angle     => info[:angle],
    2604:             :descender => info[:descender],
    2605:             :height    => info[:height],
    2606:             :uri       => nil
    2607:           }
    2608:
    2609:           pdf.save_state
    2610:           pdf.stroke_color  @style[:color] if @style[:color]
    2611:           sz = info[:height] * @style[:factor]
    2612:           pdf.stroke_style! StrokeStyle.new(sz, @style[:line_style])
    2613:         when :end, :end_line
    2614:           start = @links[info[:cbid]]
    2615:           theta = PDF::Math.deg2rad(start[:angle] - 90.0)
    2616:           drop  = start[:height] * @style[:factor] * 1.5
    2617:           drop_x = Math.cos(theta) * drop
    2618:           drop_y = -Math.sin(theta) * drop
    2619:           pdf.move_to(start[:x] - drop_x, start[:y] - drop_y)
    2620:           pdf.line_to(info[:x] - drop_x, info[:y] - drop_y).stroke
    2621:           pdf.restore_state
    2622:         end
    2623:       end