libharu：HPDFPage#create_uri_link_annot

#!/usr/bin/env ruby

require "hpdf"

pdf  = HPDFDoc.new
page = pdf.add_page

page.create_uri_link_annot(0, 0, 100, 100, "http://libharu.org/")

pdf.save_to_file(File.basename($0, ".rb") + ".pdf")