[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2019-04-17 Thread Dmitry Kazakov
https://bugs.kde.org/show_bug.cgi?id=397570

Dmitry Kazakov  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |UPSTREAM

--- Comment #22 from Dmitry Kazakov  ---
I'll mark the bug as resolved, please reopen it if the problem still persists.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2019-04-17 Thread Dmitry Kazakov
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #21 from Dmitry Kazakov  ---
Created attachment 119456
  --> https://bugs.kde.org/attachment.cgi?id=119456&action=edit
Screenshot of Intuos5 settings and traced coin

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2019-04-17 Thread Dmitry Kazakov
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #20 from Dmitry Kazakov  ---
Created attachment 119455
  --> https://bugs.kde.org/attachment.cgi?id=119455&action=edit
Screenshot of Banboo settings and a traced coin

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2019-04-17 Thread Dmitry Kazakov
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #19 from Dmitry Kazakov  ---
Hi, Christopher!

I have tested both Krita 4.1.7 and Kirta 4.2-prealpha on Wacom Bamboo and Wacom
Intuos5 and I cannot reproduce the problem. I have selected "proportional"
option in the driver settings and the traced coin looks perfectly circular.

Your tablet log also looks perfectly fine. So the problem might have been
somewhere in the broken Wacom drivers, which didn't properly implement
"proportional" option.

Please try to update Wacom driver and Krita to at least Krita 4.1.7 and check.
If the problem still persists, try to reset your driver settings, there is a
special Wacom app for that. If all that doesn't help, please reopen the bug and
we will look further.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2019-04-16 Thread Boudewijn Rempt
https://bugs.kde.org/show_bug.cgi?id=397570

Boudewijn Rempt  changed:

   What|Removed |Added

 Status|REPORTED|ASSIGNED
   Assignee|krita-bugs-n...@kde.org |dimul...@gmail.com
 Ever confirmed|0   |1

--- Comment #18 from Boudewijn Rempt  ---
Dmitry, please take a look -- I guess you missed that the reporter has added
the information you requested.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-09-21 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #17 from Christopher Knoll  ---
Created attachment 115158
  --> https://bugs.kde.org/attachment.cgi?id=115158&action=edit
This is the application showing the flattened circle (showng the elipse guide
on the trace)

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-09-21 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #16 from Christopher Knoll  ---
Created attachment 115157
  --> https://bugs.kde.org/attachment.cgi?id=115157&action=edit
Logfile with 1 screen enabled

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-09-18 Thread Dmitry Kazakov
https://bugs.kde.org/show_bug.cgi?id=397570

Dmitry Kazakov  changed:

   What|Removed |Added

 CC||dimul...@gmail.com

--- Comment #15 from Dmitry Kazakov  ---
Hi, Christopher!

Could you generate a tablet log for me? Here is a manual on how to get it:

https://docs.krita.org/en/KritaFAQ.html#windows

Steps:
1) Disable the second screen
2) Go to wacom driver and set it to "Map current screen with keeping aspect
ration" (I cannot remember the exact name of this option).
3) Reboot(!). This is important, because some Wacom drivers don't update their
state until reboot
4) Check if tablet settings are still the same
5) Generate tablet log as described in the manual above.

If possible, make a screen recording of the strokes at step 5, but it is
optional, we can live without it :)

This test will let us know if multidisplay mode is involved somehow.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-09-17 Thread Boudewijn Rempt
https://bugs.kde.org/show_bug.cgi?id=397570

Boudewijn Rempt  changed:

   What|Removed |Added

 Resolution|WAITINGFORINFO  |---
 Status|NEEDSINFO   |UNCONFIRMED

--- Comment #14 from Boudewijn Rempt  ---
I should have changed the status of the bug with my last comment.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-09-17 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #13 from Christopher Knoll  ---
I see this is marked as 'needs more information' but I do now know what more
details I can provide: I've given tablet hardware, screenshots, etc.  What more
should I provide?

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-26 Thread Boudewijn Rempt
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #12 from Boudewijn Rempt  ---
Yes, it's a display tablet. Right now, I don't have a wacom tablet that's still
supported on Windows 10 and doesn't have a screen.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-24 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #11 from Christopher Knoll  ---
Note, in the last 'single monitor trace', I used a guide to draw the blue
circle as the 'proper circle'..this was not drawn from the tablet, this was
drawn by using the ellipse guide.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-24 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #10 from Christopher Knoll  ---
Created attachment 114588
  --> https://bugs.kde.org/attachment.cgi?id=114588&action=edit
Single monitor, full tablet area

This is a trace where the tablet properties uses the full tablet space, and
only a single monitor is enabled.  The distortion between the 'specified
dimensions of the tablet' seems to be the same as using the full tablet space. 
So I don't think the tablet properties is at issue here. Rather it is the
'total screen resolution' that is available on the desktop interfering with how
the coordinates of the tablet are being interpreted.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-24 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #9 from Christopher Knoll  ---
Created attachment 114587
  --> https://bugs.kde.org/attachment.cgi?id=114587&action=edit
Single Monitor with tablet area specified

I've disabled a second monitor and the trace is 'closer' to a circle, but still
distorted.  I've submitted this test trying to make the table area in
proportion to the screen resolution.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-24 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #8 from Christopher Knoll  ---
@Boudewijn Rempt : could you clarify: is that the type of table that let's you
draw directly on the screen? Because I can imagine that it's a 1:1 mapping
between the screen drawing surface and the image presented in Krita.

I'm looking for specific examples from people of it working with the type of
tablet that's just a drawing tablet (not a monitor/screen interface), where the
coordinates of the 'pad' need some translation between the dimensions of the
tablet and the dimensions of the external monitor. I think in the cases where
the 'pad' is the actual screen, it's 1:1 and no complicated transform is
required.  In the cases of things like the Wacom Intuos tablet, maybe a
transform is required.

When I go into the tablet properties, there's really no way I can get a 1:1
ratio between screen resoltuion (in pixels) and tablet coordinates (which they
describe as 'Counts'(?!?).  I don't know how many 'Counts' go into a
'Pixel'...but the default full size of the tablet is 9500 'Counts' by 15200
'Counts'.  I can try an experiment that i have a ratio of 1920/1080 (1.778) on
the tablet to see how that will work.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-24 Thread Boudewijn Rempt
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #7 from Boudewijn Rempt  ---
It works on my mobile studio pro, but that's a single monitor setup.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-22 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #6 from Christopher Knoll  ---
Would it be possible for someone to post a screenshot of their own tablets
where you are able to trace a coin on their tablet (like a Wacom Intuos tablet)
to reproduce this issue?

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-22 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #5 from Christopher Knoll  ---
I'm not seeing it in Adobe Sketchbook. It is definitely receiving pen input
because it responds to pressure of the pen.

This is definitely a problem in some subsystem of Krita.  As I explained in my
screenshots, the calibration is working properly in other apps.  It could very
well be how Krita is interpreting the coordinates passed on by the tablet, but
Krita's interpretation is wrong, and it seems to be based on the maximum
viewable area of the desktop (ie: multi monitors and the native resolution of a
single monitor of 1920x1080 shows the issue.

I've adjusted (via the tablet properties) the visible portion of the 'capture
area' on the screen and on the tablet, and Krita is just reading the
information wrong.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-22 Thread Boudewijn Rempt
https://bugs.kde.org/show_bug.cgi?id=397570

Boudewijn Rempt  changed:

   What|Removed |Added

   Severity|minor   |normal
 CC||b...@valdyas.org
 Resolution|--- |WAITINGFORINFO
  Component|Usability   |tablet support
 Status|UNCONFIRMED |NEEDSINFO

--- Comment #4 from Boudewijn Rempt  ---
No, it looks more like the tablet calibration is wrong. I suspect you don't see
the issue in paint because that doesn't recognize the tablet as a tablet, and
not in sketchbook because that uses the windows ink api instead of wintab. You
could try to recalibrate your tablet with the wacom tablet utility or swtich
krita over to the windows 8 pointer api option (settings/configure
krita/tablet) and see whether that helps. 

I'm afraid it's not something we can do anything about inside Krita, though --
we have to make do with the coordinates the tablet driver sends us.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-21 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

Christopher Knoll  changed:

   What|Removed |Added

  Component|OpenGL Canvas   |Usability

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-17 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

Christopher Knoll  changed:

   What|Removed |Added

 CC||chriskn...@verizon.net

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-17 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #3 from Christopher Knoll  ---
I should also add:

I tried different options for brush smoothing: weighted and none.  Did not have
an impact on how the circle-trace was recieved.

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-17 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #2 from Christopher Knoll  ---
Created attachment 114473
  --> https://bugs.kde.org/attachment.cgi?id=114473&action=edit
Tracing a nickel in Sketchbook

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[krita] [Bug 397570] Error in tablet aspect ratio causing traced circles to draw as elipses

2018-08-17 Thread Christopher Knoll
https://bugs.kde.org/show_bug.cgi?id=397570

--- Comment #1 from Christopher Knoll  ---
Created attachment 114472
  --> https://bugs.kde.org/attachment.cgi?id=114472&action=edit
Tracing a nickel in MSPaint

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