https://bugs.kde.org/show_bug.cgi?id=503591
Bug ID: 503591
Summary: "Save New Brush Preset..." dialog's brush thumbnail
resolution seems dependent on Canvas Zoom factor
Classification: Applications
Product: krita
Version: 5.2.9
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: * Unknown
Assignee: krita-bugs-n...@kde.org
Reporter: bgembara13+kdeb...@gmail.com
Target Milestone: ---
SUMMARY
The editable/drawable brush thumbnail presented on the "Save New Brush
Preset..." dialog appears to be scaled (nearest neighbor) according to the
canvas zoom factor at the time of entering the dialog. This affects the user's
ability to create a thumbnail for new brushes.
STEPS TO REPRODUCE
1. Create a new 1024x1024 100.00 px/in canvas.
2. Zoom the canvas to 400%.
3. Enter the "Edit Brush Settings" menu from the toolbar.
4. Select "b) Basic-1" from the "Presets" pane.
5. Click "Save New Brush Preset..." in the top right of the brush settings
pop-out.
6. Observe that the image displayed under "Paint in this area" appears
pixelated.
7. Cancel out of that dialog.
8. Reset canvas zoom to 100%.
9. Return to the "Save New Brush Preset..." dialog via steps 3 ~ 5.
10. Observe that the image displayed under "Paint in this area" no longer
appears pixelated. It seems to be "full resolution" and unscaled.
OBSERVED RESULT
Step 6: Under a zoom factor of 400%, the editable thumbnail in the "Save New
Brush Preset..." dialog appears pixelated.
EXPECTED RESULT
The editable thumbnail in the "Save New Brush Preset..." dialog should appear
"full resolution," as in Step 10, regardless of canvas zoom factor.
SOFTWARE/OS VERSIONS
`kinfo` output follows.
```
Operating System: Arch Linux
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.13.0
Qt Version: 6.9.0
Kernel Version: 6.14.4-zen1-2-zen (64-bit)
Graphics Platform: Wayland
Processors: 32 × AMD Ryzen 9 7950X3D 16-Core Processor
Memory: 62.4 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 3080 Ti
```
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