annoying bug when painting

[Cyrille Berger]

Hi,
I found an annoying bug when playing with krita today, I was trying do paint 
on an image pixels by pixels (with a brush of 1x1, even brush seems to work 
ok, only uneven don't work correctly), I used the tool "draw freehand" and 
the paintop "pixel pencil".
But I had some trouble painting on the pixel I wanted, even if the mouse was 
on the middle of the pixel, and the outline of the brush on the correct 
pixel, krita would paint on a neighbourgh pixel (Casper and Bart were able to 
reproduce it).

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--- Cyrille Berger ---