Creates a QR code from the command line.
usage: -i input -o output.png [-ec L/M/Q/H] [-s w,h] [-t]
-ec,--errorCorrection <arg> Error correction, L,M,Q or H, default M:
L = ~7% correction
M = ~15% correction
Q = ~25% correction
H = ~30% correction
-i,--input <arg> input text
-o,--output <arg> output png file
-s,--size <arg> width and height: w,h, default 300,300
-t,--transparent transparent back colour
Example:
java -jar QRCodeGen-1.03.jar -i "Text to encode" -o outputImage.png