https://bugs.kde.org/show_bug.cgi?id=432289
Bug ID: 432289
Summary: Anti-aliasing is applied when using pressure sensitive
stylus, with anti-aliasing unchecked
Product: krita
Version: 4.4.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Brush Engine/Shape
Assignee: krita-bugs-n...@kde.org
Reporter: domar...@gmail.com
Target Milestone: ---
Created attachment 135292
--> https://bugs.kde.org/attachment.cgi?id=135292&action=edit
Brush stroke that starts aliased, but becomes anti-aliased as it gets smaller.
SUMMARY
When you don't want any anti-aliasing (or should I say, when you want
aliasing), and you uncheck "Anti-aliasing" in the brush settings, drawing with
the mouse is fine. But drawing with a stylus on a graphics tablet and allowing
the pressure to control the size, will introduce anti-aliasing when the brush
shrinks below a certain size.
This causes pixelated halos when using the fill tool.
STEPS TO REPRODUCE
1. Click the "Edit brush settings" icon
2. Uncheck "Anti-alias"
3. Draw on the canvas using a stylus and vary the pressure to control the size
OBSERVED RESULT
The brush stroke becomes anti-aliased below a certain size.
EXPECTED RESULT
The brush stroke should never become anti-aliased when anti-alias is unchecked.
SOFTWARE/OS VERSIONS
Windows: Unknown
macOS: Unknown
Linux/KDE Plasma: Confirmed
(available in About System)
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.79.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
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