https://bugs.kde.org/show_bug.cgi?id=497521
Bug ID: 497521
Summary: Spectacle gets very slow/laggy when drawing
continuously
Classification: Applications
Product: Spectacle
Version: 24.08.3
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 176665
--> https://bugs.kde.org/attachment.cgi?id=176665&action=edit
Circular doodle for demonstration purposes
SUMMARY
When using the Freehand/Highlighter after selecting an region to screenshot it
can get quite laggy. As an example, drawing spirals quickly goes from being
smooth to just not.
STEPS TO REPRODUCE
1. Select any to screenshot
2. Select Freehand or Highlighter tools under Edit... menu
3. Draw stuff on screen - like a spiral or whatever - without letting go
4. Observe lag
OBSERVED RESULT
Very laggy, spectacle at 100% CPU usage on a single core. Potentially "locking"
you in screenshot selection overlay while it's processing.
EXPECTED RESULT
no lag pls
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.1
Kernel Version: 6.11.11-300.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5700X 8-Core Processor
Memory: 78.4 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 980 Ti/PCIe/SSE2
ADDITIONAL INFORMATION
I have attached an artful doodle to give you an idea of what can cause the
extreme slowdown.
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