self._x_shift += 1
power_of_two = power_of_two << 1
- self._x_mask = (1 << self._x_shift) - 1 # UUsed as a modulus on the x value
+ self._x_mask = (1 << self._x_shift) - 1 # Used as a modulus on the x value
self._bitmask = (1 << bits_per_value) - 1
self._dirty_area = Area(0, 0, width, height)