RFR: JDK-8016524: [macosx] Bottom line is not visible for JTableHeader [v7]

Tue Feb 15 05:07:13 UTC 2022

On Fri, 11 Feb 2022 01:17:38 GMT, Harshitha Onkar <duke at openjdk.java.net> wrote:

>> I got the 2nd part of the question myself which is because of white gridlines used in AquaLookAndFeel so invisible..
>
> @prsadhuk Ready for review. Changed the test case to paint JFrame to BufferedImage. The test case is marked headful though robot calls are not used, as the JFrame rendering requires it to be headful.

I believe you could raise a awt Robot issue for not getting correct pixel color via getPixelColor(x,y) on retina display (if you are sure [JDK-8274939](https://bugs.openjdk.java.net/browse/JDK-8274939) patch didn't help)

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PR: https://git.openjdk.java.net/jdk/pull/7219