Last active
May 29, 2019 12:32
-
-
Save ghecho/d79bd02213e608053ec12a8e616f1dbf to your computer and use it in GitHub Desktop.
Generate a QR image from a string using Swift 4
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 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 | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
How to create colored QRCode?