QRCode

Works in unix environments by install (apt-utils libgdiplus libc6-dev) packages.

You can set 'encoding', 'maskPattern' and 'qRCodeVersion' for your QR Code!

Sources copyright by Uzi Granot using CPOL. More details can be found in this blog.

NuGet packages

Name	NuGet
QRCodeFixer
QRCodeEncoder
QRCodeDecoder

QRFixer

Use this to fix a QR Code.

QR Code (damaged)

QR Code (fixed)

Configure Dependency Injection

...
services.AddQRCodeFixer();
...

Usage

var fixer = serviceProvider.GetRequiredService<QRCodeFixer>();

var data = fixer.FixAndSaveAsPng("qrcode-damaged.png", "qrcode-fixed.png");

QREncoder

Configure Dependency Injection

...
services.AddQRCodeEncoder();
...

Usage

var encoder = serviceProvider.GetRequiredService<QRCodeEncoder>();

var stringData = "test";
encoder.Encode(stringData);
encoder.SaveQRCodeToPngFile("qrcode.png");

QRDecoder

Configure Dependency Injection

...
services.AddQRCodeDecoder();
...

Usage

var decoder = _serviceProvider.GetRequiredService<QRDecoder>();
byte[][] data = decoder.ImageDecoder(sourceBitmap);

var data = QRDecoder.ByteArrayToString(data[0]);

References

• Wounded QR codes