https://bugs.kde.org/show_bug.cgi?id=362076
Bug ID: 362076
Summary: Advanced and Artistic color pickers slow / cpu hungry
when used with mouse/wacom
Product: krita
Version: git master
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Dockers
Assignee: krita-bugs-n...@kde.org
Reporter: bastian.salm...@gmail.com
When using (lmb + drag around) advanced/artistic color selectors with mouse or
wacom (usb connected) the update is very slow and the pointer on color lags
behind. faster you move slower it gets. also my fans start to blow and cpu
usage goes to 90-100%.
when used with laptops touchpad it works just fine, no slowdowns.
also, the popup palette that comes when you right click on canvas, color
selector there works fine and fast always.
Reproducible: Always
Steps to Reproduce:
1. click and drag around in color selector dialog
2.
3.
Actual Results:
slow
Expected Results:
fast
with Krita 2.9 this worked normally. so it's a bug introduced with qt5.
my system specs:
Kubuntu 15.10
GeForce 840M/PCIe/SSE2, (3.52 drivers)
Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz
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