# File lib/pdf/techbook.rb, line 312
312:       def [](pdf, info)
313:         if @level1_style.nil?
314:           @level1_style = sh = DEFAULT_L1_STYLE
315:           ss      = PDF::Writer::StrokeStyle.new(sh[:width])
316:           ss.cap  = sh[:cap] if sh[:cap]
317:           ss.dash = sh[:dash] if sh[:dash]
318:           @_level1_style = ss
319:         end
320:         if @level2_style.nil?
321:           @level2_style = sh = DEFAULT_L2_STYLE
322:           ss      = PDF::Writer::StrokeStyle.new(sh[:width])
323:           ss.cap  = sh[:cap] if sh[:cap]
324:           ss.dash = sh[:dash] if sh[:dash]
325:           @_level2_style = ss
326:         end
327: 
328:         level = info[:params]["level"]
329:         page  = info[:params]["page"]
330:         xref  = info[:params]["xref"]
331: 
332:         xpos = 520
333: 
334:         pdf.save_state
335:         case level
336:         when "1"
337:           pdf.stroke_style @_level1_style
338:           size = @level1_style[:font_size]
339:         when "2"
340:           pdf.stroke_style @_level2_style
341:           size = @level2_style[:font_size]
342:         end
343: 
344:         page = "<c:ilink dest='#{xref}'>#{page}</c:ilink>" if xref
345: 
346:         pdf.line(xpos, info[:y], info[:x] + 5, info[:y]).stroke
347:         pdf.restore_state
348:         pdf.add_text(xpos + 5, info[:y], page, size)
349:       end