On Sun, 7 Feb 2021 11:33:13 GMT, Pankaj Bansal <pban...@openjdk.org> wrote:
> JavaFX ignores the HiDPI scaling settings on Fedora 32 and Ubuntu 20.04. > > The scale detection in JavaFX assumes that the "scaling-factor" setting in > "org.gnome.desktop.interface" has the correct Hi-DPI setting. But this not > true for some systems and "scaling-factor" has value of 0. JavaFX should > detect the windows level scale factor automatically in this case, but this > logic is missing right now. So, the JavaFX applications are not scaled > properly. > This issue can be reproduced by setting the scale from > Settings->Displays->Set Scale. Note, the option for scale may not be present > from some resolution settings, so you may need to change it to see the option > to scale the full windowing system. The issue can be verified by running some > JavaFX applications/samples. The application will not be scaled properly > according to the UIScale. https://bugs.openjdk.java.net/browse/JDK-8258464 is > similar bug and has been closed as duplicate. > > This fix adds the logic to detect the scale from windows system itself. > I have ran all automated unit tests and system tests, this fix is not causing > any new failures. I have tested this on fedora 32 VM, Ubuntu 20.04 VM and > Ubuntu 20.10 VM. This pull request has now been integrated. Changeset: 782f22a1 Author: Pankaj Bansal <pban...@openjdk.org> URL: https://git.openjdk.java.net/jfx/commit/782f22a1 Stats: 15 lines in 3 files changed: 5 ins; 1 del; 9 mod 8248126: JavaFX ignores HiDPI scaling settings on some linux platforms Reviewed-by: kcr, arapte ------------- PR: https://git.openjdk.java.net/jfx/pull/396
