QR code generation

QR code generation is a lightweight, pure Swift library for generating beautiful QRCode images with input watermarks or icons and identifying QRCode from images based on CoreGraphics, CoreImage and ImageIO. EFQRCode gives you a better way to run QRCode in your application, it runs on iOS, macOS and tvOS and is available through CocoaPods, Carthage and Swift Package Manager.

1. Please select a combination of high contrast foreground and background colors;
2. If you want to improve the sharpness of QRCode images, you should use magnification instead of size, you can also increase their values;
3. Magnification too high / too long / too much content may lead to failure;
4. It is recommended to test the QRCode image before putting it into use.