Welcome to the QRCode Processing library page!
This library is really nothing other than a bridge to using the Open Source QR Code library with Processing. From the QR Code web site: “QR Code is a two-dimensional barcode, used widely in Japan. The advantage of QR Code from well-known barcode is larger data capacity (more than 100 bytes, typically) and error correction.”
QRCode images can be generated at http://qrcode.kaywa.com/.
Here is a basic summary of how to use the library:
Download and install the library, and import it like so:
Create and initialize a decoder object:
You can ask the Decoder object to decode any image:
It runs in a separate thread and whenever it is finished, an event is triggered via the decoderEvent() method:
Ok, have fun!!