https://bugs.kde.org/show_bug.cgi?id=364527

Henrik Fehlauer <rk...@lab12.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |CONFIRMED
     Ever confirmed|0                           |1
                 CC|                            |rk...@lab12.net
            Summary|Blurred image thumbnails on |Blurred SVG image
                   |Dolphin                     |thumbnails on Dolphin

--- Comment #1 from Henrik Fehlauer <rk...@lab12.net> ---
It took me a while to see what you mean, so here are some steps to see the
problem:
- Start KMag, point it at the screenshot.
- Compare accessories-notes.svg.
- Note how Dolphin renders the SVG in such a way that antialiasing on the inner
horizontal lines as well as the yellow outline occurs, while in Nautilus the
SVG is rendered snapped to the pixel grid, so no antialiasing occurs as
probably intended by the icon designer.

Testing with Qt 5.10.0, KF 5.40, Dolphin 17.08.3, the problem is still there.
Maybe the problem is caused by Dolphin rendering a different size than the icon
is optimized for, e.g. when previewing /usr/share/icons/breeze/apps/64/ with
the thumbnail size set to 64px, the blur still occurs.

I see no PNGs in Dolphin in the screenshot, therefore changing the title of the
bug for now to only focus on the SVG rendering problem.

Also, Nautilus skips the shadow/frame for SVGs (just like Gwenview) which makes
sense, there is Bug 258514 for changing that in Dolphin.

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