Bug 505455

Summary: Highlighting Japanese vertical typesetting treats the text as horizontal
Product: [Applications] okular Reporter: Djian Martins <djiansm>
Component: PDF backendAssignee: Okular developers <okular-devel>
Status: REPORTED ---    
Severity: normal    
Priority: NOR    
Version First Reported In: 23.08.1   
Target Milestone: ---   
Platform: Microsoft Windows   
OS: Microsoft Windows   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: Example of Japanese vertical typesetting.

Description Djian Martins 2025-06-11 03:33:23 UTC 
Created attachment 182166 [details]
Example of Japanese vertical typesetting.

SUMMARY
With regards to Japanese vertical typesetting, the Highlighter Tool treats the text as horizontal.
The behavior is also reproduced with the Text Selection Tool.

OBSERVED RESULT
The Tool orders the characters horizontally and not vertically.
EXPECTED RESULT
The Tool should recognize that the text orientation is vertical.

SOFTWARE/OS VERSIONS
Windows:  11

ADDITIONAL INFORMATION
This bug appears to be related to Bug 407133.