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OPEN  Bug report #932  -  Wacom tablet input offset vs. mouse input
Posted Jan 02, 2016 - updated Jan 02, 2016
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Issue details
  • Type of issue
    Bug report
  • Status
     
    New
  • Assigned to
    Not assigned to anyone
  • Progress
       
  • Type of bug
    Not triaged
  • Likelihood
    Not triaged
  • Effect
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  • Posted by
     Pixelgeek
  • Owned by
    Not owned by anyone
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Issue description
When compared to mouse input, pen input on a Wacom 20WSX tablet is offset up and to the left. The magnitude of the offset is dependant on the zoom level of the window (less pixel offset with higher zoom level) Input device is WACOM Tablet Pressure Stylus in Screen mode.

See screen shot and reproduction steps for more info
Steps to reproduce this issue
https://plus.google.com/u/0/109035838127666405878/posts/dApCuJBWn8r?pid=6235001988065854130&oid=109035838127666405878icon_open_new.png

Rectangle 002 is drawn from 0,0 to 100,100 using a mouse. Rectangle 025 is drawn with the Wacom 20WSX tablet pen at 0,0 to 100,100, but shows on the canvas at -228,120 to -128,220 with zoom level set to 100% in the navigator window. Rectangle 026 is drawn with the Wacom 20WSX tablet pen at 0,0 to 100,100, but shows on the canvas at -113,60 to -13,160 with zoom level set to 200% in the navigator window.

This was not an issue with Gtk 2.0 and the old build process. Isue seen on Synfig 1.0.1 and dev build of 1.1.4 as of 1/1/16. Any pointers about how to troubleshoot this gratefully received. smileys/2.png