[Libreoffice-bugs] [Bug 134053] FILEOPEN PPTX: dotted line shows as solid

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=134053

Regina Henschel <rb.henschel at t-online.de> changed:

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                 CC|                            |rb.henschel at t-online.de

--- Comment #7 from Regina Henschel <rb.henschel at t-online.de> ---
The reason of the problem is the cap style "round".

The dash style in PowerPoint is a prstDash "sysDot". This is defined to have
one dash in 100% line width and one space in 100% line width. If the cap style
is set to "round", then Ms Office takes the rounding from the dash. So in this
case the square becomes a circle.

But in ODF the line cap is added to the dash and the place for that cap is
taken from the space. So gives rounded dashes that touch each other in this
case.

You can get nice rounded dots in LibreOffice with setting the dash length to 1%
and the space length to 200%. Such dash style would be exported as custDash.
But PowerPoint has no UI for such user defined dash styles. If the dash style
is unchanged it will be exported as prstDash again and you get the same dash as
before in PowerPoint.

Workaround: Always use cap style "flat" in PowerPoint and LibreOffice.

The export as custDash seems to have the error, that is does not write the %
sign, which is needed in custDash.

Would it be acceptable to use a custDash, although PowerPoint has no UI for it?

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