<AWT Dev> [8u] Review request for 8157838 Personalized Windows Font Size is not taken into account in Java8u102

Phil Race philip.race at oracle.com
Fri May 27 17:14:54 UTC 2016

 From what I read on the web Windows Vista, 7, and 8, Windows uses this 
setting to scale just
the fonts, but for 8.1 and 10 it is a whole application scale, so 
perhaps rather than just
revert the fix, you can make it OS version dependent ?

Surface Pro devices are not going to be running Vista or 7 .. and I 
expect most are running
Windows 8.1 or later by now.

Of course you will need to find a way to test this hypothesis : probably 
on a windows 10
desktop with 125% scaling to see what happens with the Win L&F.


On 05/27/2016 09:44 AM, Alexandr Scherbatiy wrote:
> Hello,
> Could you review the fix:
>   bug: https://bugs.openjdk.java.net/browse/JDK-8157838
>   webrev: http://cr.openjdk.java.net/~alexsch/8157838/webrev.00
>   This is the regression from the fix JDK-8076545 in the JDK 8u.
>   There was a request JDK-8152980 to backport the fix to JDK 8u 
> because a text size is very big on Windows 10 with UI scaling set to 
> 300% when the Windows L&F is used.
>   However, this leads to another issue that a personalized Windows 
> font size is not taken into account in Swing app with Windows L&F on 
> JDK 8u.
>   JDK 9 does not run into this issue because it contains support for 
> HiDPI displays which reads the system DPI and scales a whole 
> application with fonts according to system UI scale.
>   The proposed solution is just to revert back the initial JDK-8076545 
> fix for JDK 8u only.
> Thanks,
> Alexandr.

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