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Equation shape exported to thumbnail or svg incorrectly when rotated

Looks like equations show up as AutoShape with picture of the equation set as picture fill background. When rotation of the shape is 0 in Power Point, this works correctly. When rotation is applied, the image gets distorted.

See attached source pptx and resulting svg

Svg was generated by calling WriteAsSvg on the shape object.
using (System.IO.StreamWriter file = new System.IO.StreamWriter(“e:\out.svg”))

When background picture gets saved, it shows the equation already rotated (as if it was a slide screenshot).

I’m using Aspose.Slides for .NET 19.2.0


out.png (1.7 KB)
out.zip (3.2 KB)
test1.zip (33.3 KB)


I have worked with the presentation file shared by you and have been able to observe the issue specified. An issue with ID SLIDESNET-40994 has been created in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed.