[Libreoffice-bugs] [Bug 122899] FILEOPEN: ppt: old kind arc from MS Office 97 is broken

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=122899

--- Comment #8 from Regina Henschel <rb.henschel at t-online.de> ---
Created attachment 149833
  --> https://bugs.documentfoundation.org/attachment.cgi?id=149833&action=edit
Testdocument for wrong scaling

The patch in  https://gerrit.libreoffice.org/68941 fixes the underlying
problem, that was not detected in the past. Instead a 'shape repair' was tried.

Even after applying the patch the shapes are not correct. Because of the 'shape
repair' try an unsuitable scaling is done.

A custom shape has a frame rectangle (which you see as resize handles), which
corresponds to the shape width and height as set in the Position&Size dialog.
The shape itself is drawn into this rectangle and its outline need not reach
the edges of the frame rectangle or it might exceed the frame rectangle. The
actually used area is called the bounding box. The current import scales the
shape so, that its bounding box gets that size, which is set as frame rectangle
in the file.

The attached file shows this error. The frame rectangle should have width 9cm
and height 6cm but is wider. Open the file in Word to see the difference to
LibreOffice.

So the problem here is not only an accuracy problem, but the scaling method
itself has to be fixed.

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