badges in ruby

gistfile1.rb

# Requires the following gems: prawn, barby and rqrcode
require "prawn"
require "prawn/measurement_extensions"
require "barby"
require "barby/barcode/code_128"
require "barby/outputter/prawn_outputter"

barcode = Barby::Code128.new('12345','A')

badge = Prawn::Document.new(:page_size => "A5", :page_layout => :landscape, :margin => 0) do |pdf|
  pdf.bounding_box [0.mm, 148.mm], :width => 105.mm, :height => 148.mm do
     pdf.bounding_box [5.mm, 105.mm], :width => 105.mm, :height => 220.mm do
       pdf.font("Helvetica", :size => 36) do
         pdf.text "Jonathon", :style => :bold
         pdf.text "Doedeer", :style => :bold
       end
       pdf.font("Helvetica", :size => 16) do
         pdf.text "@jdoe"
       end
     end

     pdf.bounding_box [5.mm, pdf.bounds.bottom + 50.mm], :width => 95.mm, :height => 30.mm do
       barcode.annotate_pdf(pdf, :xdim => 2, :height => 20.mm)
     end

  end

  pdf.bounding_box [105.mm, 148.mm], :width => 105.mm, :height => 148.mm do
     pdf.bounding_box [5.mm, 105.mm], :width => 105.mm, :height => 220.mm do
       pdf.font("Helvetica", :size => 36) do
         pdf.text "Jonathon", :style => :bold
         pdf.text "Doedeer", :style => :bold
       end
       pdf.font("Helvetica", :size => 16) do
         pdf.text "@jdoe"
       end
     end

     pdf.bounding_box [5.mm, pdf.bounds.bottom + 50.mm], :width => 95.mm, :height => 30.mm do
       barcode.annotate_pdf(pdf, :xdim => 2, :height => 20.mm)
     end
  end

end

# Return document as data (can be rendered directly on a browser without saving first!)
puts badge.render