bugMyPaint - Bugs: bug #19569, [Windows]genius pensketch 9x12...

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bug #19569: [Windows]genius pensketch 9x12 windows bug, cant paint at all.

Submitted by:  Igor <rajke88>
Submitted on:  Tue Mar 20 10:10:43 2012  
Severity: 3 - NormalPriority: 5 - Normal
Status: Need InfoPrivacy: Public
Assigned to: NoneOpen/Closed: Open
Release: 1.0.0Planned Release: None
Operating System: Windows 7 x64

Sat Mar 9 21:50:39 2013, comment #2:

I ran into the same issue with MyPaint 1.0.0 64 bit on Windows 7 64 bit with the Monoprice (UC-Logic rebranded) TWA60. I can draw just fine with the tablet when pressure is disabled, but when I enable pen input (screen or window) the color history pops up under my pen and scrolls rapidly through the colors when I try to draw.

When I run the Input Device Test, x and y seem reasonable, pressure == 0.0000 always, the upper byte of state moves around a lot, and button is anything from 1 to about 14. The events with random buttons also spray the dialog output rather quickly compared to my working setup below. I'm guessing the rapid output is because of the way events are suppressed.

Gimp 2.8 also seems to exhibit similar behavior when pressure input is configured/enabled. While trying to draw on the image, context menus are flickering very rapidly under the cursor.

Sample output of Input Device Test with MyPaint 1.0.0 64 bit (which does not work correctly)

Out of frustration, I eventually tried MyPaint 0.9.1 32 bit. After overcoming some glitches with the Input Device Dialog, I was able to successfully get pressure sensitivity working. At some point I noticed that I had grabbed the 32 bit version of 0.9.1 (there was no 64 bit version available). On a hunch I tried the 32 bit version of 1.0.0. Success!

The output of Input Device Test with MyPaint 1.0.0 32 bit (which works correctly):

I tried to find a 32 bit version of Gimp 2.8 to confirm, but I couldn't find a 32 bit installer. Does gimp include both 32 bit and 64 bit libraries with their windows installer?

At some point while trying to debug, I tried running MyPaint on my Linux Mint install, and pressure sensitivity worked just fine. However, a different bug reared it's head and made it unusable (pen randomly going to x,0 0,y or 0,0 then jumping back to actual location).

Anyway, I have a feeling this is an alignment/size/structure packing GTK 64 bit Windows issue, but I hope this information helps.

Dan <danh48176>
Wed Nov 28 12:55:58 2012, comment #1:

Triaging: normal severity, need info.

I can't reproduce this bug here, but FYI the history squares thing is the button 3 binding for most users of that version (possibly button2 for Windows...). Don't suppose you've tried in the GIMP at all? Do you get any strange events there too?

Does it do this immediately, or only when you try to draw?

Did it work in Linux in the same way? It'd be nice if you could confirm or disconfirm: if it does happen, then since the OS and drivers are all different, and we know MyPaint doesn't do this elsewhere, that would confirm a hardware issue at your end.

Be certain (obviously!) that you're not pressing a second or third button when drawing ☺ I know, lame. But people sometimes do.

For a workaround, you may be able to change the button bindings within MyPaint to "None" and see if that permits drawing as well.

Andrew Chadwick <achadwick>
Project Administrator
Tue Mar 20 10:10:43 2012, original submission:

Previous version of mypaint worked perfectly, but this version doesn't work at all. I can't use my tablet genius pensketck 9x12. When i start painting it starts switching colors, and doesn't allow me to draw the line. I get 4 squares with colors that are switching, and nothing else. Something is very wrong in this version. That is bug only related to mypaint 1.0.0 And 0.9.1 works just fine for me. Here is the screenshoot of a bug. I think it worked on linux the same for me.

Igor <rajke88>


Attached Files
file #15385:  mypaint.png added by rajke88 (425kB - image/png)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by danh48176 (Posted a comment)
  • -unavailable- added by jonnor (Updated the item)
  • -unavailable- added by achadwick (Posted a comment)
  • -unavailable- added by rajke88 (Submitted the item)
  • -unavailable- added by rajke88

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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sat Jan 5 13:35:15 2013jonnorSummarygenius pensketch 9x12 windows bug, cant paint at all. WINDOWS=>[Windows]genius pensketch 9x12 windows bug, cant paint at all.
    Wed Nov 28 12:55:58 2012achadwickSeverity4 - Important=>3 - Normal
      StatusNone=>Need Info
    Tue Mar 20 10:10:43 2012rajke88Attached File-=>Added mypaint.png, #15385
      Carbon-Copy-=>Added -unavailable-
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