Please see: https://bugs.openjdk.java.net/browse/JDK-8089024
This is a bug which seems to apply transparency twice when a Node has a clip set. I managed to create a small test program that shows the problem very clearly, see this image (on Windows):
https://pasteboard.co/djKKvPVsCfYC.png Note that the two bottom rows should look identical, but they don't.If I could get some direction where to look for this problem I might be able to solve it.
--John
