[Libreoffice-bugs] [Bug 116449] New: impress FILESAVE stores huge TablePreview.svm in odp file

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116449

            Bug ID: 116449
           Summary: impress FILESAVE stores huge TablePreview.svm in odp
                    file
           Product: LibreOffice
           Version: 5.4.5.1 release
          Hardware: x86 (IA32)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: joerg.kubitz at gmx.de

Description:
.odp files are unnecessary large if they contain a table.

I guess its not needed to store that "previews" at all - because if i delete
the preview the file will still work.
The files are a problem if the table has a backgroundimage. Then the "preview"
is way too large (Probably the "preview" contains uncompressed image)

Also using the "compres presentation" feature will not delete prevent impress
from storing such "previews" and reports estimated file sizes that are totaly
wrong.

Steps to Reproduce:
1.Add tables in a impress presentation and storing the presentation as ".odp" 


Actual Results:  
The .odp file contains a zipped "pictures\TablePreview1.svm"

Expected Results:
no SVM files inside odp


Reproducible: Always


User Profile Reset: No



Additional Info:


User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101
Firefox/59.0

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