https://bugs.documentfoundation.org/show_bug.cgi?id=143028
Bug ID: 143028
Summary: FILESAVE DOCX Export of "bracePair" produces invalid
file, that Word cannot read
Product: LibreOffice
Version: 7.3.0.0 alpha0+ Master
Hardware: x86-64 (AMD64)
OS: Windows (All)
Status: UNCONFIRMED
Keywords: implementationError
Severity: normal
Priority: medium
Component: filters and storage
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 173123
--> https://bugs.documentfoundation.org/attachment.cgi?id=173123&action=edit
file to reproduce the invalid docx document
Open attached file and export it to docx. Open the exported file in Word. Word
cannot read it. Reason is a duplicate <a:xfrm> element.
Some investigation:
DMLPresetShapeExporter::WriteShapeWithAVlist() calls WriteShapeTransformation
which writes the first <a:xfrm> element.
Then it calls GetAdjustmentPointXValue(0)
DMLPresetShapeExporter::GetAdjustmentPointXValue() calls
GetHandleValueOfModificationPoint(nPoint, u"RangeXMinimum")
That has a loop over all Name/Value pairs. In case of "bracePair" the loop will
find nothing, because they do not have "RangeXMinimum" but "RangeYMinimum".
Thus the return value is empty.
Back in GetHandleValueOfModificationPoint it makes a .get() on the empty return
value, which gives a runtime error. That is caught in WriteShapeWithAVlist and
makes it return 'false'.
With this 'false' the part after shapes.cxx#848 is entered. And that will write
in #873 the <a:xfrm> element again.
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