Show barcode in form , easy config. support code128, ean-13, ean-8. easy set width and height.
barcode widget. barcode image widget. no_text=1 to empty text in readonly mode.
<field name="barcode" widget="barcode_img" options="{'code': 'Code128', 'width': 250, 'height': 50, 'no_text': 1}"/>