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lukas2/.swift

Created January 5, 2018 10:56
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  1. lukas2 created this gist Jan 5, 2018.
    7 changes: 7 additions & 0 deletions .swift
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    Original file line number Diff line number Diff line change
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    // example with CIColorPosterize

    let context = CIContext(options: nil)
    var ciImage = CIImage(cgImage: image.cgImage!)
    ciImage = ciImage.applyingFilter("CIColorPosterize", parameters: ["inputImage" : ciImage, "inputLevels" : 2])
    let cgImage = context.createCGImage(ciImage, from: ciImage.extent)!
    let filteredUiImage = UIImage(cgImage: cgImage, scale: image.scale, orientation: .up)