prawn:Prawn::Graphics#polygon
まんま
#!/usr/bin/env ruby require "prawn" pdf = Prawn::Document.new pdf.polygon [100,100], [100,200], [200,200] pdf.stroke pdf.render_file(File.basename($0, ".rb") + ".pdf")
まんま
#!/usr/bin/env ruby require "prawn" pdf = Prawn::Document.new pdf.polygon [100,100], [100,200], [200,200] pdf.stroke pdf.render_file(File.basename($0, ".rb") + ".pdf")