Created attachment 151121 [details]
All four "pour" types shapes with screenshots
Open attached document. It has on the left side shapes and on the right side a screenshot, how it looks in PowerPoint.
The shape types "textArchDownPour", "textArchUpPour", "textButtonPour" and "textCirlePour" looses the values of the adjustment guide ('Handle') on import and default values are used.
If you drag the handles, you can set them to the same position as in the screenshot. So the handle is able to have such position. But the existing values are not read on import.
At first glance, it looks as if these types are missing in the list in https://opengrok.libreoffice.org/xref/core/oox/source/drawingml/shape.cxx?r=fdf4aaa3#579. But I have not tested it yet.
Mishandling of word art in LO produced OOXML, confirmed on Windows 10 Pro 64-bit en-US with Word 2016 compared to LO 126.96.36.199
Created attachment 151161 [details]
comparison MSO 2010 and LibreOffice 6.3 Master
Build ID: 6238f71ddbdc766e733b1c808a4fa7d66f7bde87
CPU Threads: 4; OS Version: Linux 4.15; UI Render: default; VCL: gtk3; Layout Engine: new;
Locale: ca-ES (ca_ES.UTF-8); Calc: group
they are not even displayed...
The other transformations have the same error, see bug 125560. Problem will be solved together with them.
*** This bug has been marked as a duplicate of bug 125560 ***
Oops, wrong number.
*** This bug has been marked as a duplicate of bug 125563 ***