[Libreoffice-bugs] [Bug 128161] Save after the file is opened, the ppt line spacing is reduced until 0

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=128161

--- Comment #5 from Justin L <jluth at mail.com> ---
It looks like the code very deliberately messes this up - based on font
scaling.
There is no value in FontIndependentLineSpacing (not sure how this is different
from pPara->mbFixedLineSpacing, where elsewhere FontIndependLineSpace >>=
bFixedLineSpacing) and therefore everything scales by pDesc->Scaling + 0.5.

Unfortunately, all this code comes from OOo, so it is hard to identify the
purpose of it. The code is at least related to this OOo bug -
https://bz.apache.org/ooo/show_bug.cgi?id=28747

Since everything imports the same as MS Powerpoint, this must be an export bug.
On the other hand, since this adjusts the LO value on export, it ought to do
the reverse equation during input. So the first task is to find out why this
scaling code was added in the first place.

And with that I walk away since I don't understand font / scaling /
presentation stuff.

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