create a QR code

Wednesday, 26 January 2011 04:17

Create a QR code.



require 'rubygems'

require 'rqrcode'

require 'qr_image'



# QR Code parameters

text = 'This is a test'

size = 4

level = 'h'

 

# Produce the QR Code

qr = RQRCode::QRCode.new(text,  :size => size, :level => level)

 

# Create the image and double its size

img = QRImage.new(qr).sample(6)

 

# Write image to disk

img.write('./qr.png') { quality = 100 }