def _set_cosmetic_brush(item: qw.QGraphicsItem, painter: qg.QPainter) -> None:
""" like a cosmetic pen, this sets the brush pattern to appear the same independent of the view """
brush = item.brush()
# scale by -1 in y because the view is always mirrored in y and undoing the view transformation entirely would make
# the hatch mirrored w.r.t the view
brush.setTransform(painter.transform().inverted()[0].scale(1, -1))
item.setBrush(brush)
