https://bugs.kde.org/show_bug.cgi?id=444517
Bug ID: 444517
Summary: Font preview kerning is broken
Product: systemsettings
Version: 5.23.2
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_fontinst
Assignee: plasma-b...@kde.org
Reporter: xnagyti...@gmail.com
Target Milestone: ---
Created attachment 142957
--> https://bugs.kde.org/attachment.cgi?id=142957&action=edit
Screenshot
SUMMARY
The preview panel at the Font Management KCM doesn't properly kern its preview
text. This makes the preview text look slightly crooked.
I attached a screenshot that compares this preview with an another KDE app
(Krita) that does proper kerning just for reference.
STEPS TO REPRODUCE
1. Get Liberation Sans from your package manager. Also reproducible with other
well-kerned fonts like Bitstream Vera Sans, DejaVu Sans, Noto Sans, Ubuntu
font, etc.
2. Open Font Management and select Liberation Sans.
3. Right click the preview -> Change Preview Text...
4. Enter "VAVA" as the preview text -> OK.
5. Notice how the negative kerning offsets are not applied between the "V" and
"A" characters. Liberation Sans defines a -152 unit offset at 2048 units/em
resolution between these character pairs.
SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.23
KDE Plasma Version: 5.23.2
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.3
Graphics Platform: X11
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