Method: PDF::Writer#render

Defined in:
lib/extensions/pdf-writer/pdf/writer.rb

#render(debug = false) ⇒ Object Also known as: to_s

Return the PDF stream as a string.



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# File 'lib/extensions/pdf-writer/pdf/writer.rb', line 703

def render(debug = false)
  add_page_numbers
  @compression = false if $DEBUG or debug
  @arc4.init(@encryption_key) unless @arc4.nil?

  check_all_here

  xref = []

  content = "%PDF-#{@version}\n%âãÏÓ\n"
  pos = content.size

  objects.each do |oo|
    cont = oo.to_s
    content << cont
    xref << pos
    pos += cont.size
  end

#   pos += 1 # Newline character before XREF

  content << "\nxref\n0 #{xref.size + 1}\n0000000000 65535 f \n"
  xref.each { |xx| content << "#{'%010d' % [xx]} 00000 n \n" }
  content << "\ntrailer\n"
  content << "  << /Size #{xref.size + 1}\n"
  content << "     /Root 1 0 R\n /Info #{@info.oid} 0 R\n"
    # If encryption has been applied to this document, then add the marker
    # for this dictionary
  if @arc4 and @encryption
    content << "/Encrypt #{@encryption.oid} 0 R\n"
  end

  if @file_identifier
    content << "/ID[<#{@file_identifier}><#{@file_identifier}>]\n"
  end
  content << "  >>\nstartxref\n#{pos}\n%%EOF\n"
  content
end