elif self.weHaveATwoByTwo():
                    self.xscale      = unpack('>h', handle.read(2) )[0]
                    self.scale01     = unpack('>h', handle.read(2) )[0]
                    self.scale10     = unpack('>h', handle.read(2) )[0]
                    self.yscale      = unpack('>h', handle.read(2) )[0]