[Libreoffice-bugs] [Bug 124021] New: PDF export of spreadsheet forms change fields positions in page

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=124021

            Bug ID: 124021
           Summary: PDF export of spreadsheet forms change fields
                    positions in page
           Product: LibreOffice
           Version: 6.1.5.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Printing and PDF export
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: olivier.hallot at documentfoundation.org

Created attachment 149910
  --> https://bugs.documentfoundation.org/attachment.cgi?id=149910&action=edit
Source file with fields in right position

The attached spreadsheet form display fields correctly positioned and *all*
fields (text box, radio buttons, list box) are anchored in cell and their size
were set "adjust size to cell size" (or the like in English), using context
menu on selected fields.

Symptom: On exporting to PDF form, the fields are shifted to wrong position,
often overlapped and makes PDF form unusable. 

Some hints:
* The effect seems random. Sometimes it works, sometimes it produces a messy
PDF.
* it seems to depend on saving and reopening the file
* on adding or removing lines/columns/cells, 
* perhaps on cell position recalculation in page, with effect on anchoring. 
* On cell rendering, the field anchoring changes, seems to shift to a neighbor
cell
* field size does not follow cell size.
* suspicion on rounding number for cell position and field position
calculation.
* suspicion on memory leak or uninitialized variable.

Affects LibreOffice 6.1.5 and later, not tested with earlier versions.

Tested on Linux (6.2.1 and okular) and Windows (LO 6.1.5, with display in
Acrobat Reader DC)

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