The behavior of the scribble example (in examples/widgets/scribble.pyw)
differs somewhat from the Qt version. When drawing there will sometimes
be gaps in the scribbles even if the mouse button is pressed the whole
time. This is due to a bug in the calculation of the update rectangle in
drawLineTo(). The fix is to change line 114 from:
rad = self.myPenWidth / 2
to:
rad = self.myPenWidth / 2 + 2
(this is how the Qt version does the calculation)
I realize that this is a pretty insignificant "bug", but I thought I'd
let you know anyway. Before I spotted the error I was a bit worried that
there might be a bug with PyQt itself.
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