New in version 4.6.
QGraphicsScene provides certain parameters to help control how the scale should be applied.
The origin is the point that the item is scaled from (i.e., it stays fixed relative to the parent as the rest of the item grows). By default the origin is
QPointF (0, 0).
yScale , and
zScale describe the scale factors to apply in horizontal, vertical, and depth directions. They can take on any value, including 0 (to collapse the item to a point) or negative value. A negative
xScale value will mirror the item horizontally. A negative
yScale value will flip the item vertically. A negative
zScale will flip the item end for end.
Constructs an empty
QGraphicsScale object with the given
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