https://bugs.kde.org/show_bug.cgi?id=403576
Bug ID: 403576
Summary: Cannot edit transparency masks as greyscale images
Product: krita
Version: 4.1.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: krita-bugs-n...@kde.org
Reporter: abc...@yahoo.com
Target Milestone: ---
SUMMARY
Cannot click the greyscale preview of a mask, just to the left of the mask
layer in the Layers docker, to bring up the mask as a greyscale image on the
main canvas.
STEPS TO REPRODUCE
1. Create a new file.
2. Create a new transparency mask.
3. Click on the BW preview box to the left of the transparency mask in the
layers docker.
4. Draw onto the canvas.
OBSERVED RESULT
The image remains blank. When you mouseover the image preview of the
transparency mask, a preview of the scribble shows up. So the mask is taking
the drawing, it's just not showing it on the canvas in any capacity.
EXPECTED RESULT
The transparency mask should show up as a greyscale image in the main canvas
window.
SOFTWARE/OS VERSIONS
Lubuntu 16.04.3 LTS
Krita Appimage 4.1.5
ADDITIONAL INFORMATION
https://www.youtube.com/watch?v=itW9wfPMyWc
In this video from about 3 years ago at around 0:30, the author (apparently)
just clicked on the small B&W preview box for a selection mask and it popped up
on screen. I'm using the Krita 4.1.5 appimage for Linux and I can't do that.
The closest I can get is isolating the layer and painting on it that way, but
that's very laggy for me (a known bug that was apparently fixed in 4.2) and
rather inconvenient if I want to rapidly switch between the mask and the
underlying image.
Isolating the layer works as a work-around, but doing so isn't very practical,
since sometimes I want to quickly switch between the greyscale mask and the
underlying image. (Also, isolating a transparency mask has a really bad lag
bug, but that's already been reported and is apparently fixed in 4.2.)
Note that a Windows user independently confirmed the same bug with a windows
build of 4.1.5 at this url:
https://www.reddit.com/r/krita/comments/ajafs2/question_is_it_possible_to_pull_up_a_mask_as_a/?st=jrbasnpb&sh=bfc3ac91
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