lib/ttfunk/directory.rb in ttfunk-1.4.0 vs lib/ttfunk/directory.rb in ttfunk-1.5.0

@@ -1,16 +1,22 @@
 module TTFunk
   class Directory
     attr_reader :tables
     attr_reader :scaler_type
 
-    def initialize(io)
-      @scaler_type, table_count = io.read(12).unpack("Nn")
+    def initialize(io, offset = 0)
+      io.seek(offset)
+      @scaler_type, table_count = io.read(12).unpack('Nn')
 
       @tables = {}
       table_count.times do
-        tag, checksum, offset, length = io.read(16).unpack("a4N*")
-        @tables[tag] = { :tag => tag, :checksum => checksum, :offset => offset, :length => length }
+        tag, checksum, offset, length = io.read(16).unpack('a4N*')
+        @tables[tag] = {
+          tag: tag,
+          checksum: checksum,
+          offset: offset,
+          length: length
+        }
       end
     end
   end
 end