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ScaleStartEvent

ScaleStartEvent class has the following properties:

focal_point_x​

The x component of the focal point of the pointers in contact with the screen.

focal_point_y​

The y component of the focal point of the pointers in contact with the screen.

local_focal_point_x​

The x component of the focal point of the pointers in contact with the screen.

local_focal_point_y​

The y component of the focal point of the pointers in contact with the screen.

pointer_count​

The number of pointers being tracked by the gesture recognizer.