Windows default font glyphs are rendered wrong on some systems

Christopher Schnick crschnick at xpipe.io
Mon Nov 25 10:41:39 UTC 2024


Hello,

for some of our users, the font glyphs of the default Windows font are 
wrong by an offset of +2. E.g. the letter D is rendered as F, the symbol 
- is rendered as /, and so on ... However, the glyph spacings and 
kernings are using the correct values for the original letter, only the 
actual glyph itself is wrong. This is happening on the latest 24-ea 
build on Windows 11, but also occurred on version 21 a while ago. I 
wasn't able to reproduce it myself, only some users were.

This has happened now for multiple users of our application, so I 
figured to report it (Didn't find this in the bug tracker).

Here is there issue, next to how it should look like:


(It is in danish because the user played around with the language 
settings to troubleshoot)

There was no explicit -fx-font set, so the application uses the default 
one. When the users change to using -fx-font: Roboto, which is bundled 
with our application, the glyphs are rendered normally. So this issue is 
specific to certain fonts.

If there's any additional information required, I can relay that request 
to our affected users.


Best
Christopher Schnick

(I resent this mail as it got stuck in the moderation queue for being 
too big due to me accidentally pasting the screenshot as a .bmp)
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