lib/prawn/font/ttf.rb in prawn-0.11.1.pre vs lib/prawn/font/ttf.rb in prawn-0.11.1

@@ -183,9 +183,14 @@
               "are attempting to render is not encoded in valid UTF-8."
           end
         end
       end
 
+      def glyph_present?(char)
+        code = char.unpack("U*").first
+        cmap[code] > 0
+      end
+
       private
 
       def cmap
         @cmap ||= @ttf.cmap.unicode.first or raise("no unicode cmap for font")
       end