On Mon, 15 Feb 2021 07:41:17 GMT, Ambarish Rapte <ara...@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. > > Looks good, verified with Ubuntu 20.04. This is amazing. I had to set uiScale on startup because it wouldnt work on ubuntu 20.04 ------------- PR: https://git.openjdk.java.net/jfx/pull/396
