dBarcode servlet sample for Java: 

Enter your data then push the Make Barcode button.

Data      Barcode Type      

Auto Check Digit  On  Off

Size

Units     Height     Width*     Margin     Border   

X unit value* (Mils)      *NOTE: The applet will use the nearest appropriate value to give a readable barcode.

Bearers

Bearer Size    Both Bearers On  Off        Extend Bearers (into margins) On   Off

Text

Alignment     Show Text On  Off        Show Checkdigit  On  Off

Show Indicators On  Off

Font name   Height (points)   Style 

Colours

Foreground         Background