How to rotate image in Swift?

Question

I am unable to rotate the image by 90 degrees in swift. I have written below code but there is an error and doesn\'t compile

  func imageRotatedByDegrees(old         


        

Answer 1

UIGraphicsBeginImageContext(CGSize(width: bitmap.width, height: bitmap.height))
UIImage(cgImage: oldImage.cgImage, scale: 1, orientation: .leftMirrored).draw(at: .zero)
let image = UIGraphicsGetImageFromCurrentImageContext()!

Much shorter.