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Generate a QR image from a string using Swift 4
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| import CoreImage | |
| static func createQR(fromString: String) -> CIImage? | |
| { | |
| let stringData = fromString.data(using: .utf8) | |
| let filter = CIFilter(name: "CIQRCodeGenerator") | |
| filter?.setValue(stringData, forKey: "inputMessage") | |
| filter?.setValue("H", forKey: "inputCorrectionLevel") | |
| let qrCodeImage = filter?.outputImage | |
| let imageByTransform = qrCodeImage?.transformed(by: CGAffineTransform(scaleX: 15.0, y: 15.0)) | |
| return imageByTransform | |
| } |
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How to create colored QRCode?