https://bugs.kde.org/show_bug.cgi?id=405823
Bug ID: 405823
Summary: Brush/tool tips offset on Cintiq 16 (only on canvas)
Product: krita
Version: 4.1.7
Platform: MS Windows
OS: MS Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: tablet support
Assignee: krita-bugs-n...@kde.org
Reporter: heston.la...@gmail.com
Target Milestone: ---
Created attachment 119003
--> https://bugs.kde.org/attachment.cgi?id=119003&action=edit
Visual output of Krita tablet tester utility
SUMMARY
Tools on canvas are offset 20 pixels to the left of cursor position when using
Wacom Cintiq 16. Cursor reticle/crosshair displays in correct position, but
tool /brush tips are offset on canvas.
Krita works perfectly on same machine when using Wacom Intuos 4 with a standard
monitor. The brush offset bug is not exhibited. When both tablets are
connected, Krita window can be dragged from montior to Cintiq. Brush offset
problem consistently exhibited on Cintiq, but not on standard monitor + Intuos
input.
When cursor movement is sourced from the mouse, tool/brush tips align with
cursor, even when displayed on Cintiq.
Not a driver/calibration issue:
-All other software working perfectly (GIMP, Photoshop, etc.) with Cintiq on
same setup.
-Cursor tracks perfectly within Krita outside of canvas (i.e. menus, toolbars,
etc.). Only the tool/brush tips on the Krita canvas are offset. (see attached
PNG)
-All other tablet functions working perfectly in Krita (pressure, tilt, pen
buttons, etc).
-Re-calibrating in Wacom driver has no effect on bug.
-Multiple Wacom pens tested. Same result on all.
A config work-around would be a sufficient temporary solution (e.g. Setting a
manual offset to brush tips / tools).
STEPS TO REPRODUCE
1. Install latest Krita.
2. Install latest Wacom Cintiq 16 + drivers. Calibrate drivers normally.
3. Launch Krita. Display app window on Cintiq. Attempt to use normally with
Cintiq pen.
OBSERVED RESULT
Brush/tool tips are offset ~20 pixels to the left of cursor on the Krita
canvas.
Please see attached PNG (output from tablet tester utility).
EXPECTED RESULT
Brush/tool tips aligned perfectly with cursor on Krita canvas.
SOFTWARE/OS VERSIONS
Krita
Version: 4.1.7
Qt
Version (compiled): 5.9.3
Version (loaded): 5.9.3
OS Information
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 6.1.7601
Pretty Productname: Windows 7 SP 1 (6.1)
Product Type: windows
Product Version: 7sp1
OpenGL Info
**OpenGL not initialized**
ADDITIONAL INFORMATION
Wacom Cintiq 16 DTK-1660/K0-AX
Wacom Driver version: 6.3.33-3 (latest at time of writing)
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