Set barcode type as a human readable name that you want to use for encoding i.e.: CODE128
Note: It's better to set the parameter "typeno=" because it's unique.
Sets the text that you want to display as a barcode. This may be an article number or a text message like "Hello World!". Make sure this parameter is URL-Encoded.
Alignment of the barcode within the area to be displayed: alignment=left,
alignment=center,
alignment=right.
If the parameter is not specified, the barcode is centered.
Alternatively, numerical values can be used: alignment=0 (left),
alignment=1 (center),
alignment=2 (right).