prawn:Prawn::Font::DFont.named_fonts
#!/usr/bin/env ruby require "prawn" pdf = Prawn::Document.new p Prawn::Font::DFont.named_fonts("#{Prawn::BASEDIR}/data/fonts/Action Man.dfont")
で、
["ActionMan-Italic", "ActionMan-Bold", "ActionMan", "ActionMan-BoldItalic"]