https://bugs.kde.org/show_bug.cgi?id=372906

Rastaban26 <regulus2...@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |regulus2...@gmail.com

--- Comment #7 from Rastaban26 <regulus2...@gmail.com> ---
I would like to add few of my own observations:


I confirm:
----------
1. It happens also for me.
2. It happens with big images.
3. It lags when using color picking via hotkey (alternative invocation of brush
tool)
4. Drawing immediately after picking color is impossible, often Krita needs
time to apply selected color and puts a stroke with previous color.
5. It happens with instant preview turned on.


My own observations:
--------------------
1. Number of layers has direct influence on the lag in my case. 12 layers
(filled with random stuff) with resolution 3840 x 2160 creates a noticeable lag
in my case (although I don't have a powerful computer)
2. With the same set up (12 layers, res 3840 x 2160) color picking using color
selector tool (default shortcut: P) works without any lag.


Annoying workaround:
--------------------
To pick a color:
1. Switch to color selector tool.
2. Pick a color.
3. Switch back to brush.
4. Paint.


Conclusion:
-----------
I think the hardware doesn't seem to be the problem in my case. Since color
picking using color selector tool works without any problems. Only color
picking via alternative invocation of brush tool with instant preview creates
the lag.

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