[Libreoffice-bugs] [Bug 122841] New: [UI] Dotted line cell border rendered incorrectly onscreen

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=122841

            Bug ID: 122841
           Summary: [UI] Dotted line cell border rendered incorrectly
                    onscreen
           Product: LibreOffice
           Version: 6.0.6.2 release
          Hardware: x86-64 (AMD64)
                OS: All
            Status: UNCONFIRMED
          Severity: trivial
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: strata_ranger at hotmail.com

Description:
I use dotted borders frequently in my spreadsheets, but the 6.x releases aren't
rendering them correctly on my screen; previous versions (e.g: LO 5.4.x)
rendered them fine, and other border types appear to render more or less*
correctly.

This seems to be a screen rendering bug only; cell borders render correctly
when (e.g.) exported to PDF (but I have no need of that, so...) .

Steps to Reproduce:
Format any range of cells with the dotted border style.

Actual Results:
Dotted cell borders (and vertical i.e. left/right borders in particular) appear
to alternate with a cycle of about 2/3 solid 1/3 dotted (the exact pattern seen
may vary with zoom level).

Expected Results:
Dotted borders should render consistently for the given zoom level -- e.g. 100%
zoom should render cleanly alternating pixels for that border.


Reproducible: Always


User Profile Reset: No



Additional Info:
I said "more or less" because the border preview (Format > Cells... > Border)
also rendered several more border types incorrectly -- but on the actual screen
(at 100% zoom) only dotted borders appear affected.

This seems to occur regardless of whether hardware acceleration and/or openGL
were enabled in the config.

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