核心图像不起作用:
let fileUrl = Bundle.main.url(forResource: "image", withExtension: "png")
let begainImage = CIImage(contentsOf: fileUrl!)
let filter = CIFilter(name: "CISepiaTone")
filter?.setValue(begainImage, forKey: kCIInputImageKey)
filter?.setValue(0.5, forKey: kCIInputImageKey)
let newImage = UIImage(ciImage: (filter!.outputImage)!)
self.imageView.image = newImage
最佳答案
因为你写道:
filter?.setValue(0.5, forKey: kCIInputImageKey)
而不是
filter?.setValue(0.5, forKey: kCIInputIntensityKey)
关于ios - CoreImage CIImage 不工作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48458765/