IBarcodeGenerator.get_old_barcode_image method. Generate barcode image using the set of parameters (for old-fashioned Barcode field)....formats are Bmp, Emf, Gif, Jpeg, Png, Tiff, Wmf, Pict, Ico, WebP,...save ( img_byte_arr , format = "PNG" ) img_byte_arr . seek ( 0 )...