[okular] [Bug 451149] New: Support opening wide images as a single page in double page mode

[Alastor Tenebris]

https://bugs.kde.org/show_bug.cgi?id=451149

            Bug ID: 451149
           Summary: Support opening wide images as a single page in double
                    page mode
           Product: okular
           Version: 21.12.2
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: wishlist
          Priority: NOR
         Component: Comicbook backend
          Assignee: okular-devel at kde.org
          Reporter: livingnightmare at thelivingnightmare.xyz
  Target Milestone: ---

Created attachment 147286
  --> https://bugs.kde.org/attachment.cgi?id=147286&action=edit
Screenshot

SUMMARY

When reading comics/manga, sometimes the artist will create a two page spread.
When digitally distributed, works may choose to combine a two page spread as a
single image. Currently, if Okular encounters one such image in double page
mode, it as expected, displays both in double page mode leading to cases like
the attached screenshot.

STEPS TO REPRODUCE
1. Open comic with wide image
2. Enable double page mode

OBSERVED RESULT
The wide image is displayed next to the previous/next image

EXPECTED RESULT
The wide image is displayed on its own page

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 35
(available in About System)
KDE Plasma Version: 5.24.2
KDE Frameworks Version: 5.91.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION

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