3 hours ago
(3 hours ago)lyjim Wrote: .
I check Gmic and found a "Scale Down" filter in Gmic, use Amount=10 and Darkness=0, result seems better, but still cannot get as clear as Windows Paint do.
The gmic Scale Down has a section for sharpening, bump that value up. Keep the initial pre-blur on - it used to be in old gimp you had to do that yourself, the new gimp Lo/Hi/ have that built in. If you find a suitable mix of settings, then save that as a "fave" - saves a bit of time when applied again.