[okular] [Bug 449448] New: Pre-render the subsequent page, and speed-up the large PDF rendering (even the text PDFs are too slow at the moment)

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=449448

            Bug ID: 449448
           Summary: Pre-render the subsequent page, and speed-up the large
                    PDF rendering (even the text PDFs are too slow at the
                    moment)
           Product: okular
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel@kde.org
          Reporter: mikeb...@gmail.com
  Target Milestone: ---

I have a 70MB PDF file, which is mostly text. It renders too slow, and I have
to wait sometimes almost half minute when I simply switch a page. The near
pages should be rendered in advance at background mode to save the time, and in
general this should be optimized

Platform: Alpine Linux / PostmarketOS running on a Pinephone with KDE Plasma
Mobile

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