https://bugs.documentfoundation.org/show_bug.cgi?id=140768

            Bug ID: 140768
           Summary: Scaling quality of images degraded since tdf#138068
           Product: LibreOffice
           Version: 7.2.0.0.alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: graphics stack
          Assignee: libreoffice-bugs@lists.freedesktop.org
          Reporter: qui...@gmail.com

Created attachment 170190
  --> https://bugs.documentfoundation.org/attachment.cgi?id=170190&action=edit
Document whcih demonstrates bad scaling

I noticed that scaling of my PNG images is quite bad in master when I was
writing my blog. I confirmed by reverting the patches that since tdf#138068 [1]
the quality of scaling got worse - at least with the GTK3 + cairo backend
(didn't try others backends). Looks like it does just a simple bi-linear
interpolation even when scaling down more than a factor of 0.5. 


[1] https://bugs.documentfoundation.org/show_bug.cgi?id=138068

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