X of the lower-left corner of the stitched area (0 when anchored at the origin or empty).
Y of the lower-left corner of the stitched area (0 when anchored at the origin or empty).
Height of the stitched area in stitches.
Width of the stitched area in stitches.
The size of a pattern in whole stitches, plus the lower-left offset of its stitched area.