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alexpersian/Grayscale.swift

Created February 11, 2020 15:11
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Grayscale.swift
// MARK: Grayscale Filter
let grayscaleFilter = CIFilter(name: "CIPhotoEffectMono")!
grayscaleFilter.setValue(CIImage(cgImage: image.cgImage!), forKey: kCIInputImageKey)
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