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[UIImage] <-> [CGImage] <-> [CIImage] In Swift

Posted at 2016-05-20

備忘録

UIImage -> CGImage

let cgImage = uiImage.CGImage

CGImage -> UIImage

let uiImage = UIImage(CGImage: cgImage)

UIImage -> CIImage

let ciImage = uiimage.CIImage

CIImage -> UIImage

let uiImage = UIImage(CIImage: cgImage)

CGImage -> CIImage

let ciImage = CIImage(CGImage: cgImage)

CIImage -> CGImage

let context = CIContext(options: nil)
let cgImage = context.createCGImage(ciImage, fromRect: ciImage.extent())