gfx.setLineWidth(1)
gfx.setColor(gfx.kColorWhite)
gfx.drawCircleAtPoint (200.8, 121, 3)
draws this
Does not happen if x,y arguments are rounded.
Current workaround is reducing the radius argument by 0.5. (2.5 instead of 3 for example)
P.S.: Currently broke some graphics on oom and omaze :-/