[okular] [Bug 432159] New: Okular display resolution for same pdf is low (when compared with other software) on secondary monitor

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=432159

            Bug ID: 432159
           Summary: Okular display resolution for same pdf is low (when
                    compared with other software) on secondary monitor
           Product: okular
           Version: 1.11.1
          Platform: Other
                OS: Microsoft Windows
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: mynamesprem at gmail.com
  Target Milestone: ---

Created attachment 135208
  --> https://bugs.kde.org/attachment.cgi?id=135208&action=edit
Both screenshots are of same PDF (STDU viewer above and Okular below). Okular
display quality is bad in comparison.

SUMMARY

The (pdf) file appear very distorted when viewed on an extended display, when
compared with results from same file using another ebook reader (STDU reader).
See attached images for comparison. The pdf appears fine on my primary laptop
screen.


STEPS TO REPRODUCE
1. Use an extended screen on windows, using HDMI to VGA converter.
2. Open any pdf file using Okular and another software (STDU viewer).
3. View and compare the same PDF using both the applications on the extended
screen.

OBSERVED RESULT

The pdf viewed using Okular appears of lower quality (resolution) when compared
with output from STDU viewer.


EXPECTED RESULT

Since same file is being viewed using different software, the visuals should be
of the same quality (resolution)

SOFTWARE/OS VERSIONS
Windows: 10
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

My secondary display (1280x720) is of slightly lower resolution than my primary
laptop display (1920x1080). I am using HDMI to VGA converter to extend the
display. My secondary display monitor is quite old (purchased in 2013).

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