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import UIKit
import CoreImage
class CustomFilter : CIFilter {
var privateInputImage: CIImage?
var inputImage: CIImage? {
set {
privateInputImage = newValue
}
get {
return privateInputImage
}
}
func outputImage() -> CIImage {
let colorControls = CIFilter(name: "CIColorControls")
colorControls.setValue(0.0, forKey: "inputSaturation")
colorControls.setValue(privateInputImage, forKey: "inputImage")
return colorControls.outputImage
}
}
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