On Tue, Sep 14, 2021 at 2:34 PM Paul Smith <phhs80(a)gmail.com> wrote:
> > While sliding the stylus horizontally from the left to the right, the
> > screen cursor moves accordingly, but the right border of the screen is
> > reached when the stylus is in the middle of the drawing tablet. Maybe,
> > for some strange reason, my drawing tablet considers there are two
> > screens and not a single one. How can we test that?
>
> The table knows nothing. :-) It has a certain range of values and the
> input layer takes that and the display size and should map the values
> accordingly. So something is going wrong and that's what I'm hoping to
> find out with the hidviz program.
Thanks, Samuel. When the stylus is on the middle of my drawing tablet,
ABS-X = 30693 (approximately).
When the stylus is on the lower right corner, hidviz padding input shows
X = 2 and Y=2.
From hiviz, I get yet the following:
----------------------------------
Usage Page (Digitizer)
Usage (Pen)
Collection (Application)
Report ID (10)
Usage (Stylus)
Collection (Physical)
Usage (Tip Switch)
Usage (Barrel Switch)
Usage (Eraser)
Usage (Invert)
Usage (Secondary Tip Switch)
Usage (Barrel Switch)
Logical minimum (0)
Logical maximum (1)
Report size (1)
Report count (6)
Item
Usage (In Range)
Report size (1)
Report count (1)
Item
Item
Usage Page (Generic Desktop)
Usage (X)
Usage (Y)
Unit exponent (-3)
Unit (51)
Logical maximum (32767)
Physical minimum (0)
Physical maximum (2048)
Report size (16)
Report count (2)
Item
Usage Page (Digitizer)
Usage (Tip Pressure)
Logical maximum (8191)
Report size (16)
Report count (1)
Item
End Collection
End Collection
Does the above give you some clue, Samuel?
Paul