Sergey, >> I fixed that issue by resetting the compression level to the default >> value before using or not params. > > > Probably it can be made local to the write method, but this version looks fine too.
You're right. I will improve that, I did it too quickly. Maybe I should also improve other DeflaterOutputStream usage: 1 per keyword, see deflate (byte []), it seems roughly unoptimized... Cheers, Laurent > > >> >> Here is an updated webrev: >> http://cr.openjdk.java.net/~lbourges/png/PNGWriter-6488522.2/ >> >> The jtreg ImageCompressionTest still passes (I did not update it). >> >> Cheers, >> Laurent > > > > -- > Best regards, Sergey.