(In reply to Renato S. Yamane from comment #51)
> Just to remember this bug was happening also at 100% scale as you can see on
> the Ckmment below with an screenshot:
> 
> https://bugs.documentfoundation.org/show_bug.cgi?id=117158#c4
> 
> I cannot test anymore, because I switched back to MS Office.

That was never confirmed and in the screen clips provided the LO icons
are clearly not 100% or 150% of the native FHD mode--they've been scaled
poorly.

The Yoga L380 in use does have a native screen DPI of ~165dpi, so
believe it does scale the PNG icons to a higher scale--look in
%APPDATA%\LibreOffice\4\cache\Colibre and if 150 shows the PNG rasters
were scaled larger (with the pixilation noted).

To avoid similar on HiDPI displays close to this resolution, *simply*
make a selection of an SVG based icon theme. Do not use the default PNG
based icon theme.

Anyhow, the set of pre-installed non-SVG icon themes render cleanly from
100 to 150 pct scaling, starting to pixelate above 150 pct. If on a
HiDPI display, or working at higher scaling 150 - 300% first use Tools
-> Options -> View and switch to the bundled SVG icon sets which will
then be resampled into clean PNG sized as needed.

A useful enhancement at this point might be to detect and switch from
the PNG icon themes to SVG theme when at a higher scaling factor is in
use--i.e. avoid scaling the PNG.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to libreoffice in Ubuntu.
https://bugs.launchpad.net/bugs/1738774

Title:
  Pixeled icons with LibreOffice 5.1.6.2 on HiDPI/4K display

Status in LibreOffice:
  Confirmed
Status in libreoffice package in Ubuntu:
  Confirmed

Bug description:
  LibreOffice 5.1.6.2 shipped with Ubuntu 16.04.3 LTS shows pixeled
  icons on a HiDPI/4K monitor like used in the Dell XPS 13 9360.

To manage notifications about this bug go to:
https://bugs.launchpad.net/df-libreoffice/+bug/1738774/+subscriptions


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