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Bug 422656 - GIMP does not correctly sense Intuos's tilt.
GIMP does not correctly sense Intuos's tilt.
Status: RESOLVED WONTFIX
Product: gtk+
Classification: Platform
Component: Class: GdkDevice
2.10.x
Other All
: Normal normal
: ---
Assigned To: gtk-bugs
Carlos Garnacho
Small Patch
Depends on:
Blocks:
 
 
Reported: 2007-03-25 15:34 UTC by Yuu Yamaki
Modified: 2015-03-07 23:35 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
Intuos tilting patch for GIMP to GDK (716 bytes, patch)
2007-03-25 15:42 UTC, Yuu Yamaki 		none Details | Review

Description Yuu Yamaki 2007-03-25 15:34:11 UTC 
Please describe the problem:
GIMP does not correctly sense Intuos's tilt.

My environments as follow:
    * FreeBSD 6.2-RELEASE
    * Intuos GD-0608-R serial-connection
    * GIMP 2.3.9
    * gtk-2.10.11
    * linuxwacom-0.7.4-3
    * X Window System Version 6.9.0 (X.Org)


Steps to reproduce:
1. Start up the GIMP.
2. Select ink tool.
3. Enable tilt sensing.
4. Draw anything. 


Actual results:
Ink tool shapes as tablet-pen's tilt.

Expected results:
Always ink tool blush shapes ellipse like '\' (backslash).

Does this happen every time?
yes

Other information:
Comment 1 Yuu Yamaki 2007-03-25 15:42:52 UTC 
Created attachment 85266 [details] [review]
Intuos tilting patch for GIMP to GDK

It may should append "case GDK_AXIS_WHEEL:", but I do not have device this property supports.
Comment 2 Emil Assarsson 2009-07-16 20:36:58 UTC 
I can confirm this behavior with a Cintiq 21UX and a standard Grip pen.
It seems that it uses y-tilt for calculating the rotation. The Art pen (or marker) support rotation as wheel. I have a Art pen and I'm happy to assist making tests.
Comment 3 Emil Assarsson 2009-07-16 23:00:46 UTC 
After some more investigations... 
I tried this some more and now I think it works pretty well with the grip pen. 
If you don't want the behavior then set the Tilt sensitivity to 0 and Adjustment Angle to the desired.

But I think the Art pen (Marker) should involve "wheel" in the rotation if that is used. The Art pen uses dual coils to track rotation and should be much steadier.
http://www.wacom-asia.com/intuos3/spec/intuos3artpen.html
Comment 4 Matthias Clasen 2011-01-07 12:46:15 UTC 
moving xinput related bugs to GdkDevice
Comment 5 Matthias Clasen 2015-03-07 23:35:35 UTC 
it is unlikely that we are going to fix xinput-related issues in gtk 2.x