reader.go

package gozxing

type Reader interface {
	/**
	 * Locates and decodes a barcode in some format within an image.
	 *
	 * @param image image of barcode to decode
	 * @return String which the barcode encodes
	 * @throws NotFoundException if no potential barcode is found
	 * @throws ChecksumException if a potential barcode is found but does not pass its checksum
	 * @throws FormatException if a potential barcode is found but format is invalid
	 */
	DecodeWithoutHints(image *BinaryBitmap) (*Result, error)

	/**
	 * Locates and decodes a barcode in some format within an image. This method also accepts
	 * hints, each possibly associated to some data, which may help the implementation decode.
	 *
	 * @param image image of barcode to decode
	 * @param hints passed as a {@link Map} from {@link DecodeHintType}
	 * to arbitrary data. The
	 * meaning of the data depends upon the hint type. The implementation may or may not do
	 * anything with these hints.
	 * @return String which the barcode encodes
	 * @throws NotFoundException if no potential barcode is found
	 * @throws ChecksumException if a potential barcode is found but does not pass its checksum
	 * @throws FormatException if a potential barcode is found but format is invalid
	 */
	Decode(image *BinaryBitmap, hints map[DecodeHintType]interface{}) (*Result, error)

	/**
	 * Resets any internal state the implementation has after a decode, to prepare it
	 * for reuse.
	 */
	Reset()
}