zoomOut(_:)
Zooms out by decreasing the scaling factor.
Declaration
@IBAction func zoomOut(_ sender: Any?)Discussion
Each invocation of zoomOut divides the scaling factor by the square root of 2.
Zooms out by decreasing the scaling factor.
@IBAction func zoomOut(_ sender: Any?)Each invocation of zoomOut divides the scaling factor by the square root of 2.