https://bugs.kde.org/show_bug.cgi?id=522682
Bug ID: 522682
Summary: Airbrush setting + Weighted smoothing results in
saw-teeth artifacts
Classification: Applications
Product: krita
Version First 5.3.2.1
Reported In:
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Brush engines
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 194044
--> https://bugs.kde.org/attachment.cgi?id=194044&action=edit
Showcasing the behavior
DESCRIPTION
Enabled Airbrush brush setting combined with heavy weighted smoothing produces
jagged lines, in worst cases saw-teeth like artifacts. It only happens when
drawing using a pen tablet.
My tablet is XP-Pen Deco Pro M. It happens both using WinTab and Windows Ink.
STEPS TO REPRODUCE
1. Choose any brush and enable Airbrush setting in Brush Editor.
2. It's most noticeable with small brush sizes, so set brush size to 10px.
3. Select Weighted smoothing and set Distance at Max/Min Speed to 1000.
4. Make a very fast curvy stroke using a drawing tablet.
OBSERVED RESULT
Saw-teeth like artifacts.
EXPECTED RESULT
Smooth line that follows the pointer.
SOFTWARE/OS VERSIONS
Operating System:
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 10.0.19044
Pretty Productname: Windows 10 Version 2009
Product Type: windows
Product Version: 10
Qt Version:
Version (compiled): 5.15.7
Version (loaded): 5.15.7
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