UI interface with very small font and icons on 4k resolution monitor

[edolis]

Check all platforms you experienced the issue (change to [x])

• [x] Windows
• [ ] Mac OS
• [ ] Linux
• [ ] Every platform

What type of issue is?

• [x] bug or unexpected behavior
• [ ] crash
• [ ] feature request
• [ ] other (specify...)

Describe your issue

I'm not sure if this is an already open issue, but some fonts and icons in the work area are nearly not readable. My screen resolution is 3840x2160, Windows 10 64bit, graphic card NVIDIA geforce GT1050 Meshlab version is reported to be the latest

Thanks!

[vaclavhanzl]

I have exactly the same problem. I just installed meshlab on my Debian testing using "apt-get install meshlab" (to try it again after few years) and parts of the user interface use unreadable small font on my 4K display, exactly as shown above. I tried also the recent MeshLab2023.12-linux.AppImage and the problem is exactly the same. Looking at Tools/Options, I found two parameters which seemed to be font related and changed their values from 12 to 24 but it did not help. Any idea what else to try please?

EDIT: I can make the problematic areas OK using:

QT_SCALE_FACTOR=2 ./MeshLab2023.12-linux.AppImage

but then everything else is too big :) I admit that I accumulated a lot of other tricks while trying to make other applications usable on my hidpi 4K monitor, I guess undoing some of these and keeping QT_SCALE_FACTOR=2 might work... But any help would be still very appreciated.

Another possibility is:

QT_ENABLE_HIGHDPI_SCALING=1 ./MeshLab2023.12-linux.AppImage

This increases the tiny font at the bottom (but not the tiny font at bottom right) while not touching the rest too much, just makes the toolbar a bit too big.