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greyscale image swift

Redcode9 answered on November 4, 2022 Popularity 3/10 Helpfulness 2/10

answer greyscale image swift

greyscale image swift

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func grayscale(image: UIImage) -> UIImage? {
    let context = CIContext(options: nil)
    if let filter = CIFilter(name: "CIPhotoEffectNoir") {
        filter.setValue(CIImage(image: image), forKey: kCIInputImageKey)
        if let output = filter.outputImage {
            if let cgImage = context.createCGImage(output, from: output.extent) {
                return UIImage(cgImage: cgImage)
            }
        }
    }
    return nil
}

Popularity 3/10 Helpfulness 2/10 Language swift

Source: prograils.com

Tags: image swift

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Contributed on Nov 04 2022

Redcode9

0 Answers Avg Quality 2/10

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greyscale image swift

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