RFR: 8318577: Windows Look-and-Feel JProgressBarUI does not render correctly on 2x UI scale

[lawrence.andrews]

On Wed, 22 Jan 2025 03:29:55 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> JProgressBar (StringPainted variant) does not render consistently on HiDPI displays (e.g. 200% Scale Factor) on Windows (using Windows Look-and-Feel) depending on the height at which JProgressBar is rendered, in which case the gap between progressbar and skin is different for different height as can be seen below
> 
> ![image](https://github.com/user-attachments/assets/5552ba7d-f747-4037-9db0-e1554f8b35d9)
> 
> Native windows progressbar renders without leaving any gap as can be seen here
> 
> ![image](https://github.com/user-attachments/assets/672a5810-1c44-4c22-aef2-93abde536bca)
> 
> so the padding is removed to render the progressbar similar to windows native and it is rendered properly
> 
> ![image](https://github.com/user-attachments/assets/ecb25140-8df2-47e2-bde5-925eb031bedb)

test/jdk/javax/swing/JProgressBar/TestProgressBarUI.java line 27:

> 25:  * @test
> 26:  * @bug 8318577
> 27:  * @summary Tests that tab movement is correct in RTL component orientation.

The title of the bug and the summary of the test does not match.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23227#discussion_r1924750601