JavaFX application on KDE Wayland - tiny

[Christopher Schnick]

I think this was the issue I mentioned: 
https://bugs.openjdk.org/browse/JDK-8326428

On 21/11/2025 23:00, Kevin Rushforth wrote:
> Another workaround is to set the "GDK_SCALE" environment variable, for 
> example:
>
> export GDK_SCALE=2
>
> I found the following enhancement request in our bug backlog 
> requesting automatic detection of the screen scale:
>
> https://bugs.openjdk.org/browse/JDK-8238077
>
> I changed the title to be more reflective of this and reassigned the 
> bug. It's something that we could consider implementing if it isn't 
> too difficult.
>
> -- Kevin
>
>
> On 11/21/2025 11:33 AM, Christopher Schnick wrote:
>> You are probably looking for glass.gtk.uiScale
>>
>> I think I reported a while ago that the automatic scale detection for 
>> KDE is not working, but apparently there wasn't an easy API 
>> replacement available.
>>
>> On 21/11/2025 18:15, Chad Preisler wrote:
>>> Hello,
>>>
>>> When I run my JavaFX (using JFX25) application on KDE Plasma using 
>>> Wayland the fonts are incredibly small. How can I scale the 
>>> application so that things are not so tiny?
>>>
>>> FYI: I had a similar issue with Netbeans. I know it's different 
>>> because it is Swing. I was able to get Netbeans to look good with 
>>> the following settings.
>>>
>>> -J-Dsun.java2d.uiScale=2 -J-Dflatlaf.uiScale=0.75
>>>
>>> Is there something similar I can do for JavaFX?
>>>
>>> Thanks,
>>> Chad
>>>
>>>
>