Definition
Accelerated Shape Detection in Images defines BarcodeFormat
enum BarcodeFormat {
"aztec",
"code_128",
"code_39",
"code_93",
"codabar",
"data_matrix",
"ean_13",
"ean_8",
"itf",
"pdf417",
"qr_code",
"unknown",
"upc_a",
"upc_e"
};