self._absolute_transform.dx = parent_transform.dx * self._scale
self._absolute_transform.dy = parent_transform.dy * self._scale
self._absolute_transform.transpose_xy = parent_transform.transpose_xy
self._absolute_transform.dx = parent_transform.dx * self._scale
self._absolute_transform.dy = parent_transform.dy * self._scale
self._absolute_transform.transpose_xy = parent_transform.transpose_xy