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https://issues.apache.org/jira/browse/NETBEANS-2360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514279#comment-17514279
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Javier Llorente commented on NETBEANS-2360:
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Hi Eirik,
I have tried the IDE launcher script with your changes and, unfortunately, it
doesn't work for me; my 4K monitor isn't HiDPI.
Anyways, I always launch NetBeans with GDK_SCALE=2 (otherwise it's too small).
{color:#000000}{color:#000000}openSUSE Tumbleweed{color} 20220310{color}
{color:#000000}screen #0: {color}
dimensions: 3840x2160 pixels (602x341 millimeters)
resolution: 162x161 dots per inch
> HiDPI scaling (and anti-aliasing on KDE) not applied automatically on Linux
> ---------------------------------------------------------------------------
>
> Key: NETBEANS-2360
> URL: https://issues.apache.org/jira/browse/NETBEANS-2360
> Project: NetBeans
> Issue Type: Bug
> Components: platform - Launchers&CLI
> Affects Versions: 11.0, 12.2
> Environment: Kubuntu 18.03
> Oracle JDK 11.0.2
> Reporter: Eirik Bakke
> Priority: Major
> Labels: HiDPI, Linux, pull-request-available
> Attachments: CheckHiDpi.java, image-2021-09-12-21-01-33-807.png,
> image-2021-09-12-21-05-06-852.png, kubunt.jpg
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Running NetBeans 11 on Kubuntu 18.03, GUI text size does not seem to take
> into account the system's default HiDPI scaling. This was reported in a
> Twitter thread on https://twitter.com/nicktail/status/1114789604337405952 .
> Note that Window decorations seem to be the correct size.
> Setting the GDK_SCALE environment variable seems to fix the problem, if I
> understand the originally reporter correctly. This could probably be done
> easily from the NetBeans launcher script (netbeans/bin). But it wouldn't fix
> the problem in multi-monitor setups. We should investigate what could be done
> to make scaling work properly in multi-monitor setups involving one HiDPI
> screen and one non-HiDPI screen.
> Before merging a patch to the launcher script, it should be tested on a
> couple of different Linux environments, using both HiDPI and non-HiDPI
> screens. Note that the UNIX launcher script is also used on MacOS.
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