prawn:Prawn::Graphics#vertical_line
まんま
#!/usr/bin/env ruby require "prawn" pdf = Prawn::Document.new pdf.vertical_line 100, 300, :at => 25 pdf.stroke pdf.render_file(File.basename($0, ".rb") + ".pdf")
まんま
#!/usr/bin/env ruby require "prawn" pdf = Prawn::Document.new pdf.vertical_line 100, 300, :at => 25 pdf.stroke pdf.render_file(File.basename($0, ".rb") + ".pdf")