RFR: 8279614: The left line of the TitledBorder is not painted on 150 scale factor [v2]

[Alexey Ivanov]

On Sat, 5 Mar 2022 01:56:04 GMT, Alisen Chung <achung at openjdk.org> wrote:

> > Can you explain (walk through) why the old code was wrong and the new code is correct ? There's a lot of things that aren't obvious to me. The old code would use the same coords and just toggle which parts were in highlight/shadow Now you've spilit is so that lowered does things in a different order and so forth and I find it impossible without an explanation of your reasoning to say if that reasoning is correct ...
> > Also the bug report deserves an evaluation.
> 
> I think currently the problem is the lighter color is overdrawing the darker color, so I swapped the drawing order so that the darker color is always drawn second. I think the reason the rect and lines are drawn at the same x value probably has to do with the affine transform in the graphics object, but I'm not sure why it happens.

Is it possible that in the new order the darker colour is drawn over the lighter one?

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PR: https://git.openjdk.java.net/jdk/pull/7449