2009-12-12から1日間の記事一覧
#!/usr/bin/env ruby require "prawn" require "prawn/layout" pdf = Prawn::Document.new pdf.define_grid(:columns => 3, :rows => 2, :gutter => 10) pdf.stroke_color = "ff0000" pdf.grid.rows.times do |i| pdf.grid.columns.times do |j| pdf.grid(i,…