Add isEmpty() check to transformed imageBounds.

When creating an ImageFilter, if we end up transforming the imageBounds
we need to check that the resulting dstRect is non-empty.

Bug: oss-fuzz:59850
Change-Id: Idae2b2da86e1e867f7c7d60f97ec0ae051cb2d53
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/777319
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
1 file changed