https://bugs.kde.org/show_bug.cgi?id=423240
Bug ID: 423240
Summary: Advanced Color selector - slow performance
Product: krita
Version: 4.3.0
Platform: MS Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Color Selectors
Assignee: krita-bugs-n...@kde.org
Reporter: tgdev...@gmail.com
Target Milestone: ---
SUMMARY
The Advanced Color Selector performs slowly and gives stutters and lag during
click and drag; the lag and stutter happen at any value or hue change while
moving
the cursor on the canvas or while shifting hue on the color wheel.
STEPS TO REPRODUCE
1. Make sure your Advanced Color Selector is active
2. Put lots of different colors on the canvas in a new blank document file.
3. With the color picker, click and drag on the canvas while making sure you
never keep the same color selected.
OR : Simply click and drag on the color wheel while making sure the hue keeps
shifting
OBSERVED RESULT :
The Color UI stutters and lags when :
CASE i : your value or hue shift while dragging on the canvas;
CASE ii : your hue alone shifts while dragging on the color wheel.
EXPECTED RESULT :
No lag or delay from the Color UI and Docker while performing these operations
with the Advanced Color Selector active.
SOFTWARE/OS VERSIONS
Windows 10 1909(OS build 18363.900)
ADDITIONAL INFORMATION
System specs :
Core i7-3610QM @2.30GHz
RAM : 12 GB DDR3
GPU : Nvidia GT 640M
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