Show high-resolution and vector logos properly in HighDPI mode
Summary:
BUG: 388633
Take the device pixel ratio into consideration when rendering the logo, so it looks nice in HighDPI mode.
Test Plan:
Tested in NDE Neon with the standard Plasma logo, which is an SVG.
Before:
After:
Reviewers: Plasma
Subscribers: cfeck, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D10357