[Libreoffice-bugs] [Bug 113934] New: Bad image quality after compression to jpg/png

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=113934

            Bug ID: 113934
           Summary: Bad image quality after compression to jpg/png
           Product: LibreOffice
           Version: 4.2.0.4 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: telesto at surfxs.nl

Description:
Image looses quality when using image compression (in multiple cases,
especially when reducing the image resolution)

Steps to Reproduce:
1. Open the attached file
2. Right click the image -> Compress image
3. Choose JPG, reduce the image resolution to for example 200dpi 

The only case where it certainly doesn't happen is when exporting to PNG (aty
any compression) without reducing the image resolution.

Actual Results:  
Image looses quality

Expected Results:
Shouldn't happen


Reproducible: Always


User Profile Reset: No



Additional Info:
Found in
Version: 6.0.0.0.alpha1+
Build ID: b3f1d199a72ce87cb65ddaeac922564f57da6a4d
CPU threads: 4; OS: Windows 6.3; UI render: default; 
TinderBox: Win-x86 at 42, Branch:master, Time: 2017-11-06_00:10:53
Locale: nl-NL (nl_NL); Calc: CL

and in 
4.2.0.4


User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101
Firefox/52.0

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