TouchPinchCallback typedef
TouchPinchCallback =
void Function(Point<int> start1, Point<int> start2, Point<int> end1, Point<int> end2)
Callback for touch and pinch events
Implementation
typedef TouchPinchCallback = void Function(
Point<int> start1,
Point<int> start2,
Point<int> end1,
Point<int> end2,
);