https://bugs.kde.org/show_bug.cgi?id=476924
Bug ID: 476924
Summary: Brush editor: errors when toggling "Share curves
across all settings"
Classification: Applications
Product: krita
Version: git master (please specify the git hash!)
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Usability
Assignee: krita-bugs-n...@kde.org
Reporter: paleh21...@proton.me
Target Milestone: ---
Created attachment 163107
--> https://bugs.kde.org/attachment.cgi?id=163107&action=edit
video recording of the bug
STEPS TO REPRODUCE
1. Open the brush editor (e.g. for Basic-5 Size)
2. Select an active parameter (e.g. Size)
3. Select an active sensor (e.g. Pressure) and modify its curve.
4. Uncheck "Share curves across all settings"
5. Observe the curves for all the other sensors of that parameter.
OBSERVED RESULT
Step 4 makes the curve for the selected sensor revert to its initial state,
which is different from the behavior of "share curve across all settings" in
5.1.5.
In step 5 we can see that the curves for some other sensors have unexpected
shapes that we never defined. The set of affected sensors across different
tries seems to be non-deterministic.
Re-activating "Share..." on an affected sensor creates a new unexpected curve
for that sensor and, contrary to the purported function of that checkbox,
doesn't affect some other curves.
EXPECTED RESULT
Toggling "Share..." on sensor X should not change the curve for sensor X.
Activating "Share..." on sensor X should set all the other sensors' curves to
that of sensor X.
Deactivating "Share..." on sensor X should not affect any of the curves. The
behavior in 5.1.5 is keeping the curves for all the active sensors intact,
while replacing the curves for the inactive sensors by the default "f(x)=x".
SOFTWARE/OS VERSIONS
Linux: Ubuntu 22.04
Qt Version: 5.15.7
Appimage
ADDITIONAL INFORMATION
krita-5.3.0 (git d8e226389d)
appeared in 5.2.0
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