Bug 435401 - Wacom Art Pen Rotation half-way unresponsive
Summary: Wacom Art Pen Rotation half-way unresponsive
Status: RESOLVED FIXED
Alias: None
Product: krita
Classification: Applications
Component: Brush engines (show other bugs)
Version: 4.4.2
Platform: unspecified Linux
: NOR normal
Target Milestone: ---
Assignee: Krita Bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-04-05 23:58 UTC by ryan
Modified: 2021-04-06 01:27 UTC (History)
0 users

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Description ryan 2021-04-05 23:58:54 UTC 
SUMMARY
The Wacom Art pen has the ability to change brush orientation by rotating its barrel. In Krita, only half a rotation (180 degrees) is registered, while the other half remains unresponsive. This bug only happens in Krita and on the linux version. Windows version is fine.

STEPS TO REPRODUCE
1. Select the 'Bristles-2_Flat_Rough' brush preset.
2. In 'edit brush settings', change rotation from 'drawing angle' to 'rotation'.
3. Spin the Wacom Art pen on the canvas.

OBSERVED RESULT
Half a rotation of the Art Pen translates as a complete rotation(360 degrees) of brush tip(should be 180 degrees). Any further rotation beyond the 180 degrees results in no change to brush tip rotation.

EXPECTED RESULT
Rotation of art pen correlates to accurate rotation of the brush tip, and is completely responsive at all angles.

SOFTWARE/OS VERSIONS

Linux/KDE Plasma: Kubuntu 20.04
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Comment 1 ryan 2021-04-06 01:27:28 UTC 
Disabling the option 'share curve across all settings' in the brush settings enables full and accurate rotation for the Art Pen.