[okular] [Bug 377493] New: Music staff notation is often impossible to read due to object placement and line spacing

[Tom]

https://bugs.kde.org/show_bug.cgi?id=377493

            Bug ID: 377493
           Summary: Music staff notation is often impossible to read due
                    to object placement and line spacing
           Product: okular
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: tho7maspenguin+xqr at gmail.com
  Target Milestone: ---

Created attachment 104505
  --> https://bugs.kde.org/attachment.cgi?id=104505&action=edit
Tar of some examples and the source PDF

I use Okular to read scores a lot, but have noticed a couple of problems which
cause misreadings.

1) Note heads have ambiguous placements as shown in '100 percent.png' and 'step
up.png'. If they aren't either on the line or in the middle of two lines, they
are very confusing to read.

2) When zoomed out, the lines have uneven distances, making some patterns hard
to read. Maybe this could be sorted with dithering?

This seems to be a problem in PDFs exported from multiple notation programs.
Attached is a MuseScore example. Google document viewer seems to handle scores
better but not perfectly.

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