https://bugs.kde.org/show_bug.cgi?id=466902
Bug ID: 466902
Summary: Cloning undefined frames results in a crash
Classification: Applications
Product: krita
Version: 5.1.5
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Animation
Assignee: krita-bugs-n...@kde.org
Reporter: paleh21...@proton.me
Target Milestone: ---
Created attachment 157019
--> https://bugs.kde.org/attachment.cgi?id=157019&action=edit
short backtrace
SUMMARY
Title. On windows it also results in an unexpected behavior, as well as a crash
(see Additional Info).
STEPS TO REPRODUCE
1. Create a new paint layer A.
2. Add a blank* frame on A.
3. By holding Shift or Ctrl select several undefined keyframe slots** in the
timeline of A.
4. Right click and choose "Clone Keyframes".
5. Create a new paint layer B, add a blank frame to it.
6. Right click on B's timeline and choose "Paste Keyframes"***
* whether or not the frames are blank does not impact the result
** the selection needs to contain at least one undefined frame and one other
frame (defined or undefined)
*** cloning by Alt+dragging does not result in a crash
OBSERVED RESULT
- krita crashes
EXPECTED RESULT
- krita doesn't crash
- pasting undefined cloned frames has no impact
- pasting an array of mixed defined and undefined cloned frames duplicates the
defined frames, while undefined frames make no impact.
SOFTWARE/OS VERSIONS
Linux: Ubuntu 22.04
Qt Version: 5.12.12
ADDITIONAL INFORMATION
The issue exists on Windows in a different form. When an undefined frame is
cloned (and pasted) on B, it is replaced by a duplicate of the next defined
frame in the timeline of A (the expected result is that pasting undefined
frames shouldn't affect the timeline of B). If no such frame exists, Krita
crashes.
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