RFR: 8252255: Blurry rendering of SwingNode with HiDPI scaling in JavaFX

[Ajit Ghaisas]

On Mon, 6 Mar 2023 09:21:41 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> > The fix looks fine.
> > I think, an automated JavaFX system test can be developed to validate this fix. You will need to do it as a separate JBS issue since the code repositories are different.
> 
> I am not sure if an automated test is possible..Even a manual test will be difficult for normal user to verify as the blurriness is subjective...it's kind of looks ok at normal size...only when zoomed, it shows some blurriness at some distinct positions...

Robot can be used to pick up pixel color at those distinct positions and compared with non-blurry version to assert upon.

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PR: https://git.openjdk.org/jdk/pull/12848