ios - How to flip UIImage horizontally with Swift?

Question

The solution to do UIImage flipping is with the Objective-C code:

[UIImage imageWithCGImage:img.CGImage scale:1.0 orientation: UIImageOrientationDownMirrored]

However, imageWithCGImage is not available in Swift! Is there a solution for flipping image horizontally with Swift? Thanks!

question from:https://stackoverflow.com/questions/24965638/how-to-flip-uiimage-horizontally-with-swift

Answer 1

Most factory methods are converted to initializers in swift. Whenever available, even if the class method is still available, they are preferred. You can use:

    init(CGImage cgImage: CGImage!, scale: CGFloat, orientation: UIImageOrientation)

The usage would look like this:

var image = UIImage(CGImage: img.CGImage, scale: 1.0, orientation: .DownMirrored)