<Swing Dev> [9] Review request for 8170387: JLightweightFrame#syncCopyBuffer() may throw IOOBE

[Semyon Sadetsky]

Hello,

Please review fix for JDK9:

bug: https://bugs.openjdk.java.net/browse/JDK-8170387

webrev: http://cr.openjdk.java.net/~ssadetsky/8170387/webrev.00/

After the rounding the resulting rectangular area may became bigger than 
the buffer image size and this will cause IOOB error during the 
consequent System#arraycopy() calls. To prevent this error the updated 
area is bounded to the buffer image size.

--Semyon