The whole-row span covering every pending update range (float units of image.data, RGBA), or null when none is pending or any is out of bounds. A covering span is a superset of the ranges — always correct.
image.data
The whole-row span covering every pending update range (float units of
image.data, RGBA), or null when none is pending or any is out of bounds. A covering span is a superset of the ranges — always correct.