https://bugs.kde.org/show_bug.cgi?id=497651

            Bug ID: 497651
           Summary: Horizontal Mirror alpha values is Incorrect When Set
                    the mirror at Half a Pixel
    Classification: Applications
           Product: krita
           Version: 5.2.6
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: General
          Assignee: krita-bugs-n...@kde.org
          Reporter: romo...@gmail.com
  Target Milestone: ---

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SUMMARY


Steps to Reproduce:

Set the horizontal mirror at half a pixel.
Select a brush and reduce its size as if practicing pixel art.
Zoom in.
Observe that the alpha values are not mirrored correctly. While the pixel
positions are mirrored accurately, the alpha values are not.

Observed Behavior:
Alpha values are not mirrored correctly.

Expected Behavior:
Alpha values should match the original stroke, but in the mirrored version,
they do not.


SOFTWARE/OS VERSIONS
Windows: 11 64 home


ADDITIONAL INFORMATION

Youtube video: https://youtu.be/AqUknXS7uog

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