Instance Method
zoom(byFactor:)zoomViewByFactor:zoomViewByFactor_
Zoom by the desired scaling factor.
Declaration
func zoom(byFactor factor: CGFloat)Declaration
- (void) zoomViewByFactor:(CGFloat) factor;Declaration
zoomViewByFactor_(factor: float)Discussion
A factor of 2.0 will double the zoom scale, from 100% to 200% say, a factor of 0.5 will zoom out. This also maintains the current visible centre point of the view so the zoom remains stable.