https://bugs.kde.org/show_bug.cgi?id=359858
wolthera <griffinval...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |CONFIRMED
CC| |griffinval...@gmail.com
Ever confirmed|0 |1
--- Comment #2 from wolthera <griffinval...@gmail.com> ---
I can confirm this, it seems to be related to coordinates.
When we draw a circle with the circle tool and a 1 px brush, it's result looks
awkward.
When we draw a circle on a vector layer and then trace the shape with a 1pixel
brush, the outline is similarly awkward.
When we take that vector circle, and make sure that both the x and y
coordinates are *.5 (so, for example, 20.5 and 16.5), and then trace the shape
with a 1px brush, the result is correct. It seems that disabling subpixel
precision does not account for centering the coordinate, but rather tries to
stick it onto the top-left, which results in strange approximations.
We could hack around this by making this explicit in the sharpness method.
It is also known that we have some hardcoded super-duper-extra-special
precision going on in sizes below 9px, (something I recall from the
anti-aliasing method) which probably also affects all this.
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