Details for GestureScaleUpdateCallback.
- focalPoint → Offset
The focal point of the pointers in contact with the screen. Reported in
- rotation → double
The angle implied by the first two pointers to enter in contact with
the screen. Expressed in radians.
- scale → double
The scale implied by the pointers in contact with the screen. A value
greater than or equal to zero.
- hashCode → int
The hash code for this object. [...]
- runtimeType → Type
A representation of the runtime type of the object.