Bug 356669

Summary:	[WACOM INTUOS] random lines appear as you draw
Product:	[Applications] krita	Reporter:	Avelino De Sabbata <avelinodesabbata>
Component:	Tablets (tablet issues are only very rarely bugs in Krita!)	Assignee:	Krita Bugs <krita-bugs-null>
Status:	RESOLVED FIXED
Severity:	normal	CC:	dimula73, halla, raghu
Priority:	NOR
Version First Reported In:	2.9.10
Target Milestone:	---
Platform:	Debian unstable
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	Screen Grab another screen grab

Description Avelino De Sabbata 2015-12-14 11:12:50 UTC

Hello,
This is a problem that I encounter for a long time, but it's hard to describe, and why I never reported: I try with the help of some of the screen grab.
It seems to have already been reported in bug 355665, but I use a Wacom Intuos 5 pro tablet.
While using the tool "Freehand Brush Tool" to draw, which happens to be randomly inserted lines longer or shorter variable directions with the brush in use. In the attached pictures it is highlighted the problem described.
The phenomenon it happened also with other brushes, but in tests I did for you, I could not repeat it. I use what ever preset Ave_Pencil_4B (brush I modified from a standard) but I do not think the problem is this brush (which I enclose), although in fact it is with it that the problem occurs more often. In tests made for you the problem manifested itself with the preset Ink_Gpen.
In the image "ave_pencil_4b.png" the fact is very clear and it happened while I was being typed the name of the brush.

Download zip archive with grabs from my dropbox "https://www.dropbox.com/s/joz3olgfofwxfoj/Files_from_bug.zip?dl=0"

Thank you.

Reproducible: Sometimes

Comment 1 Dmitry Kazakov 2015-12-15 06:42:39 UTC

Hi, Avelino!

Thank you for your report! Could you try disabling the 'touch' functionality of the tablet and try? Do you still get the random line?

Comment 2 Avelino De Sabbata 2015-12-15 10:11:56 UTC

Hi dmitry, sorry, but my tablet does not have the touch function!

Comment 3 Raghavendra kamath 2016-04-07 08:32:58 UTC

Hi Avelino De Sabbata

The link to file on dropbox is not working anymore it seems the file is moved. can you attached the files to this bug by adding an attachment

Comment 4 Halla Rempt 2016-06-17 09:16:53 UTC

Does this still happen with Krita 3.0?

Comment 5 Avelino De Sabbata 2016-06-17 09:49:05 UTC

(In reply to Boudewijn Rempt from comment #4)
> Does this still happen with Krita 3.0?

I do not know if this also happens in krita 3 that do not use because I have another problem: I do not know if it depends on my video card (Nvidia GeForce GTX 970) or my dual monitor configuration.
When I use the mouse all is OK, but with the Wacom tablet any brush follows the pointer until the middle of the screen to the left, then moves to the right side of the monitor and back on the position of the pointer only when it is worn on the right edge of the screen. If I start drawing when the brush is on the position of the pointer, the brush follows the pointer until I get up the pen from the tablet, then the brush moves to the right of the pointer by about half a screen size.

This problem occurs on all my Linux installations and on Windows instead all is OK.

Comment 6 Avelino De Sabbata 2016-06-17 09:52:17 UTC

Created attachment 99547 [details]
Screen Grab

Comment 7 Avelino De Sabbata 2016-06-17 09:53:12 UTC

Created attachment 99548 [details]
another screen grab

Comment 8 Halla Rempt 2016-06-18 08:16:40 UTC

Sounds like a multi-monitor setup problem to me. Are you using a 3.0 appimage?

Comment 9 Avelino De Sabbata 2016-06-18 08:31:19 UTC

(In reply to Boudewijn Rempt from comment #8)
> Sounds like a multi-monitor setup problem to me. Are you using a 3.0
> appimage?

Yes, I have tryed with all the krita 3 versions of appimage.

Comment 10 Raghavendra kamath 2018-06-11 04:38:47 UTC

Hi Avelino De Sabbata

Can you try reproducing this with the latest version of Krita please.

thank you

Comment 11 Avelino De Sabbata 2018-06-11 08:26:05 UTC

(In reply to Raghavendra kamath from comment #10)
> Hi Avelino De Sabbata
> 
> Can you try reproducing this with the latest version of Krita please.
> 
> thank you

Hi Raghavendra kamath.

No, now all is ok! Tryed whith all Krita appimages and Krita in Void Linux repository: (4.0, 4.04 and 4.1).

Thank you.