RFR: JDK-8297449: Update JInternalFrame Metal Border code [v4]

Wed Nov 30 19:49:08 UTC 2022

On Tue, 29 Nov 2022 21:42:02 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> Updated Metal Border code for JInternalFrame. 
>> 
>> - Added instanceof check before casting Graphics to G2D.
>> - Replaced roundHalfDown with Region.clipRound()
>
> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review changes

Marked as reviewed by kizune (Reviewer).

-------------

PR: https://git.openjdk.org/jdk/pull/11305