[okular] [Bug 514481] New: okular: unable to place custom stamp with correct aspect ratio when resizing

Michael Stewart bugzilla_noreply at kde.org
Mon Jan 12 09:01:11 GMT 2026


https://bugs.kde.org/show_bug.cgi?id=514481

            Bug ID: 514481
           Summary: okular: unable to place custom stamp with correct
                    aspect ratio when resizing
    Classification: Applications
           Product: okular
      Version First 25.12.0
       Reported In:
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: michael at stewartclan.ca
  Target Milestone: ---

SUMMARY
When placing a custom stamp (a handwritten signature for example) I'm unable to
ensure that it appears correctly and un-pixelated as I'm unable to resize it
and fix the aspect ratio that it started with.  

STEPS TO REPRODUCE
1.  create a custom stamp by using configure okular - > annotations and adding
in a .png file with handwriting in it (and a transparent background while
you're at it).  
2. note that when first placed it is TINY and unintelligible, 
3. now try resizing it (switch to the Browse tool and grab a corner handle on
the stamp).  Note the result, it isn't pretty.  

OBSERVED RESULT
the stamp with the handwriting looks like a badly pixelated drawing in the
document

EXPECTED RESULT
a reasonable reproduction of a handwritten signature.  

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Majaro 25.1
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 
Qt Version: 6.10.1

ADDITIONAL INFORMATION
It looks like okular took the png, rasterized it to create the stamp and then
placed it in the document tiny.  
It would be very nice to be able to hold down the shift key (like in many
design apps) and fix the aspect ration when dragging a corner handle on the
stamp with the browse tool.

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