https://bugs.kde.org/show_bug.cgi?id=450601
Bug ID: 450601
Summary: Changing brush engine parameters for certain MyPaint
brushes changes the brush unpredictably
Product: krita
Version: 5.0.2
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Brush Engine/Bristle
Assignee: krita-bugs-n...@kde.org
Reporter: alex.hartst...@gmail.com
Target Milestone: ---
Created attachment 146965
--> https://bugs.kde.org/attachment.cgi?id=146965&action=edit
bundle of buggy brushes
SUMMARY
Changing any MyPaint brush engine parameters changes the brush destructively,
i.e. even if the settings are put back to what they were. This isn't a disaster
because you can just go to another brush and back to revert them, but it means
you can't change the brush settings without ruining the brush.
STEPS TO REPRODUCE
1. Download and import the attached brush pack
2. Go to brush editor and select one, I recommend the flat brush - notice how
it looks in the preview window
3. Try painting with it a bit (it's a nice brush, feels very physical!)
4. change some brush param, them change it back: eg go General > Basic > click
Eraser checkbox, then click it again so it is once again false
5. Notice how in this process the preview window has changed dramatically, and
did not change back
6. Try painting with it. In my case, the brush felt less opaque/wet and did not
blend correctly.
OBSERVED RESULT
Brush does not change back to original look + feel when settings reverted.
EXPECTED RESULT
Settings reverting should leave the brush as it was.
ADDITIONAL COMMENTS:
Many of the settings for these brushes seem glitchy (the curves are clearly not
well formed). Is it possible that these brushes were made with a version of
mypaint not supported in Krita yet? Please let me know what you think. They are
excellent brushes for painting and it would be a shame if I couldn't work with
them/edit them.
SOFTWARE/OS VERSIONS
Windows: 10
Qt Version: 5.12.12
ADDITIONAL INFORMATION
Krita
Version: 5.0.2
Languages: en_US, en
Hidpi: true
Qt
Version (compiled): 5.12.12
Version (loaded): 5.12.12
OS Information
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 10.0.19044
Pretty Productname: Windows 10 (10.0)
Product Type: windows
Product Version: 10
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