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ecentinela/gist:a07d683b41b9e0c1404d

Created January 19, 2015 19:32
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CIFilter
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gistfile1.swift
let imageRef1 = self.backgroundView?.image?.CGImage
let coreImage1 = CIImage(CGImage: imageRef1)
let imageRef2 = image?.CGImage
let coreImage2 = CIImage(CGImage: imageRef2)
let coreImage3 = coreImage1.imageByApplyingFilter("CIColorBlendMode", withInputParameters: ["inputBackgroundImage" : coreImage2])
self.imageView?.image = UIImage(CIImage: coreImage3)
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