JS 2D barcode creation

The javascript program creates 2D barcode symbols of Data Matrix, Aztec and QR code in vector graphic.
+ Creates Data Matrix in square or rectangular pattern.
+ Creates QR or micro QR bar code symbols.
+ Creates Aztec, compact Aztec or Aztec rune bar codes.
+ Scalable Vector Graphic or PNG/GIF pixel image output.
+ One short and compact program for all barcodes.
+ Automatic mode encoding and barcode size selection.
+ Algorithm could be easily adapted to individual requirements.
+ Free and open-source software program.
– no size optimization for mixed data types in one symbol.
– no handling of special codes like FNC1 or ECI.