[Libreoffice-bugs] [Bug 134339] New: Export to pdf creates big bloated file

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=134339

            Bug ID: 134339
           Summary: Export to pdf creates big bloated file
           Product: LibreOffice
           Version: 6.3.6.2 release
          Hardware: All
                OS: Mac OS X (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: lo at craddocks.co.uk

Description:
Exporting a large document with images creates a bloated pdf on the second and
subsequent attempts (but normal on the first attempt after opening LO).
Bloated=about x5 expected size. In the files below, about 28MB>140MB
See www.craddocks.co.uk/files/Poulton source.odt
www.craddocks.co.uk/files/Poulton_normal.pdf (exported first time after opening
LO)
www.craddocks.co.uk/files/Poulton_big.pdf (subsequently)
Similar results with other files of similar size containing images.

Steps to Reproduce:
1.Open file
2.Select File/Export as/Export as PDF/Lossless compression

Actual Results:
First time after opening LO: no problem, exported file is expected size.
Second and subsequent occasions: bloated file size.

Expected Results:
Exported pdf is similar size to odt file.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Recently upgraded to 6.3.6.2 from previous version (at least 12 months old):
bug not previously encountered.
Version: 6.3.6.2
Build ID: 2196df99b074d8a661f4036fca8fa0cbfa33a497
CPU threads: 4; OS: Mac OS X 10.15.5; UI render: default; VCL: osx; 
Locale: en-GB (en_GB.UTF-8); UI-Language: en-US
Calc: threaded

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