Hi there!

I am implementing handwriting with the apple pencil and am double-buffering 
each stroke on a QImage before passing the resulting pixmap and bounding rect 
for the stroke to a QGraphicsItem. The problem is that painting to the QImage 
is not at retina resolution which is what you get when you paint directly to 
the scene via QGraphicsItem::paint.

Does anyone have a suggestion for how to handle this?

Should I just double the QImage size and then translate the coordinates 
appropriately? Then half the target rect in QPainter::drawPixmap(const Rect 
&target, const QPixmap &, const QSize &source)? Or is there a more elegant way 
to do it?

Thanks!
-P


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