https://bugs.kde.org/show_bug.cgi?id=402443
Bug ID: 402443
Summary: Enlarging a canvas paint added sections instead of
keeping them transparent
Product: krita
Version: 4.1.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Resize/Scale Image/Layer
Assignee: krita-bugs-n...@kde.org
Reporter: skydive...@gmail.com
Target Milestone: ---
My original scenario started with opening a .jpg image, but it's enough to
create a new document for reproducing the issue.
STEPS TO REPRODUCE
1. Open Krita and create a new document (should have a white background)
2. Draw a black circle at the middle of the document
3. Select the Contiguous Selection Tool > fuzziness = 1
4. Click outside the circle to select all the outer white material
5. Press DEL to make the white area transparent
6. Image > Resize Canvas: enlarge width/height/both (e.g. by 50%)
OBSERVED RESULT
The enlarged space is painted white.
EXPECTED RESULT
The enlarged space should be transparent.
NOTES
1. Saving the document as a .kra file, relaunching and retesting preserves the
problem.
2. Duplicating the layer (CTRL+J) preserves the problem.
3. It seems that the layer "remembers" that it's some sort of a "background
layer" thus painting new area instead of keeping them white.
4. The following workaround fixes the problem
4.1. Make sure the layer is selected
4.2. Select > Select All
4.3. Edit > Paste
4.4. Remove/hide the old layer
4.5. Enlarge the canvas.
4.6. The enlarges space remains transparent.
SOFTWARE/OS VERSIONS
Krita
Version: 4.1.5
Qt
Version (compiled): 5.9.5
Version (loaded): 5.9.5
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.15.0-42-generic
Pretty Productname: Ubuntu 18.04.1 LTS
Product Type: ubuntu
Product Version: 18.04
OpenGL Info
**OpenGL not initialized**
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