PointerPanZoomUpdateEvent constructor Null safety
Creates a pointer pan/zoom update event.
All of the arguments must be non-null.
Implementation
const PointerPanZoomUpdateEvent({
super.timeStamp,
super.device,
super.pointer,
super.position,
super.embedderId,
this.pan = Offset.zero,
this.panDelta = Offset.zero,
this.scale = 1.0,
this.rotation = 0.0,
super.synthesized,
}) : assert(timeStamp != null),
assert(device != null),
assert(pointer != null),
assert(position != null),
assert(embedderId != null),
assert(pan != null),
assert(panDelta != null),
assert(scale != null),
assert(rotation != null),
assert(synthesized != null),
super(kind: PointerDeviceKind.trackpad);