[Libreoffice-bugs] [Bug 132142] New: Special image breaks exported PDF readability in Acrobat Reader

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132142

            Bug ID: 132142
           Summary: Special image breaks exported PDF readability in
                    Acrobat Reader
           Product: LibreOffice
           Version: 6.4.2.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Printing and PDF export
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: pushkin at email.cz

Description:
The exported PDF with attached image is unreadable for Acrobat reader when
reduction of dpi is applied.

Steps to Reproduce:
1. Open attached document
2. Export file to PDF with some resolution reduction (e.g. 300 dpi)
3. Open the exported file in Acrobat Reader (either Windows or Linux version)
4. The file cannot be read (error message: "There was an error processing a
page. There was a problem reading this document (109)."

Actual Results:
The file cannot be opened.

Expected Results:
The file should be opened.


Reproducible: Always


User Profile Reset: No



Additional Info:
The image in the file origins from this source:
https://indico.cern.ch/event/626654/attachments/1523851/2381785/Superconducting_Cables_-_Dr._Mathias_Noe.pdf

The original PDF was opened using Draw, then I changed used fonts and
translated axes description into Czech. Then I copy-pasted the image to Writer
while choosing "Insert as GDI metafile". After PDF export with change of
resolution and the saved PDF file is unreadable to Acrobat Reader.

Further findings:
The output PDF is readable for Okular.
When choosing lossless compression, the output PDF is readable to Acrobat
Reader.
When choosing JPEG compression, the output PDF is readable to Acrobat Reader.

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