https://bugs.kde.org/show_bug.cgi?id=460080

            Bug ID: 460080
           Summary: Most brush engines don't generate dabs if a stroke is
                    smaller than half a raster pixel
    Classification: Applications
           Product: krita
           Version: 5.1.1
          Platform: Appimage
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Brush engines
          Assignee: krita-bugs-n...@kde.org
          Reporter: tomtomtomreportin...@gmail.com
  Target Milestone: ---

SUMMARY
It seems like most brush engines have problems in regards to either tiny
strokes or point-dabs. This is annoying when working with pixel art, working in
high zoom levels, and/or when you want to create very tiny strokes in general.

The following brush engines do not generate dabs if a stroke is less than half
a raster pixel (or less than one full raster pixel, in the case of color smudge
engine):
* Pixel
* Color Smudge (regardless of algorithm)
* Quick Brush
* Spray
* Hatching
* Grid
* Clone
* Deform
* Tangent Normal
* Filter
* Mypaint 
The above engines are capable of point-dabs, though. I define a point-dab being
as simply clicking on the canvas, without any drag.

The following brush engines can't do point-dabs:
* Color Smudge (regardless of algorithm)
* Bristle
* Shape
* Curve

STEPS TO REPRODUCE
1. Zoom in to 6400% or higher.
2. With a Pixel brush, make a stoke smaller than half a raster pixel.

OBSERVED RESULT
No dabs are created.

EXPECTED RESULT
There should be at least one dab.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian sid
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.12.12 (appimage)

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