RFR: 8335646: Nimbus : JLabel not painted with LAF defined foreground color on Ubuntu 24.04

Tue Oct 7 09:24:27 UTC 2025

On Sun, 5 Oct 2025 05:37:38 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> Test fails to pick red color from JLabel in ubuntu24.04 even though it passes is ubuntu 22.04.
> Seems like the red pixel from the font is not being picked up despite the fact that label foreground color actually is rendered in red.
> 
> It is seen in ubuntu 22.04 the font used for JLabel is "family=DejaVu Sans,name=DejaVu Sans,style=plain,size=12"
> while in ubuntu 24.04 the font used for JLabel is "family=Noto Sans,name=Noto Sans,style=plain,size=12"
> 
> I have made it consistent across version using same font and made it larger and bold and using such text for easier pickup of redpixel.
> It passes in all platforms including ubuntu24.04

test/jdk/javax/swing/plaf/basic/BasicHTML/bug4248210.java line 74:

> 72:         }
> 73: 
> 74:         JLabel label = new JLabel("<html><body>WWWWWWWWWMMMMMMM?</body></html>");

Full block character, `\u2588`, to ensure the entire label is filled with red color?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27635#discussion_r2409967825