The morphology image filters work on pixels, so took the radii as
integers. However, these radii will be mapped through the CTM, so any
rounding should happen as late as possible or the effect will be overly
discretized.
Bug: skia:10110
Change-Id: I62ab6c37d0b4612690addc48c9bc473099ac36b9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/282636
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
cc81e202b4