Bug 508010

Summary:	Loss words after zoom in some pdf files
Product:	[Applications] okular	Reporter:	Blind-Guess-Senior
Component:	PDF backend	Assignee:	Okular developers <okular-devel>
Status:	RESOLVED WORKSFORME
Severity:	normal	CC:	aacid
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Microsoft Windows
OS:	Microsoft Windows
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Blind-Guess-Senior 2025-08-08 10:34:26 UTC

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SUMMARY


STEPS TO REPRODUCE
1. Open a pdf file. In this case, I use 程序设计实践 (Brian W. Kernighan Rob Pike) (Z-Library).pdf downloaded in zlib. It seems like most file won't occur this bug
2. Zoom in and out and in and out ......
3. Then the chinese characters will disappear

OBSERVED RESULT
Chinese characters disappear.

EXPECTED RESULT
No special result

SOFTWARE/OS VERSIONS
Windows: Windows 10 Professional 22H2
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

Comment 1 Albert Astals Cid 2025-08-10 20:46:26 UTC

Please attach a file that reproduces the problem.

Comment 2 Blind-Guess-Senior 2025-08-14 14:48:59 UTC

(In reply to Albert Astals Cid from comment #1)
> Please attach a file that reproduces the problem.

The file is 8.69MB size. And I haven't found a file that cause this problem and under 4000KB size. How can I attach it?

Comment 3 Albert Astals Cid 2025-08-18 20:24:25 UTC

You can email it to me at aacid@kde.org

Comment 4 Bug Janitor Service 2025-09-02 03:47:26 UTC

🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME.

For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging.

Thank you for helping us make KDE software even better for everyone!

Comment 5 Bug Janitor Service 2025-09-17 03:48:34 UTC

🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME.