[Libreoffice-bugs] [Bug 126446] Pixelated and blurry icons on a fresh Windows 10 install with dpi higher than 125%

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=126446

V Stuart Foote <vstuart.foote at utsa.edu> changed:

           What    |Removed                     |Added
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           See Also|                            |https://bugs.documentfounda
                   |                            |tion.org/show_bug.cgi?id=11
                   |                            |5439,
                   |                            |https://bugs.documentfounda
                   |                            |tion.org/show_bug.cgi?id=11
                   |                            |9020,
                   |                            |https://bugs.documentfounda
                   |                            |tion.org/show_bug.cgi?id=12
                   |                            |8523

--- Comment #20 from V Stuart Foote <vstuart.foote at utsa.edu> ---
(In reply to khagaroth from comment #19)
> Please note that my example of badly rendered SVG icons was done at 100%
> scale - so no Windows scalling involved at all, it's LO that does bad job at
> rendering the icons (they are already blury in the cache folder). Also your
> examles are still aliased with burry outlines, though at the bigger sizes it
> is not so obvious.

Icon sets can be found as zip archives in the installation folder share/config
folders. Non-SVG icon themes have the icons pre-built as PNG at small 16px,
large 24px, extralarge 36px, and a mix at higher res of 32, 48, 96 & 128px

The SVG themes are there also, but presently can not be used natively as SVG in
the GUI (bug 115439). When selected enabled, the full SVG theme is extracted
and rendered/resampled to PNG at the GUI resolution set.  At 100% the lc_ large
icons SVGs are converted to 25px PNG -- the resampled quality simply will not
match the resolution of the PNGs packaged at that resolution.

Scaled SVG lc_ icon sizes as PNG after os/DE UI scaling: 
100% 25px
150% 37px
200% 50px
250% 62px

These will be written to LO user cache [1] on creation, but are not refreshed
except during an upgrade install (bug 128523). So if testing different icon
themes and os/DE UI scaling, will need to clear the cache to force rebuild of
the PNG icons.

=-ref-=
[1] that is normally going to be AppData/Roaming/LibreOffice/4/cache for a full
install. But with parallel installs it will be relative to the $ORIGIN path you
set.

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