import BitMatrix from '../../common/BitMatrix';
|
import DecoderResult from '../../common/DecoderResult';
|
/**
|
* <p>The main class which implements Data Matrix Code decoding -- as opposed to locating and extracting
|
* the Data Matrix Code from an image.</p>
|
*
|
* @author bbrown@google.com (Brian Brown)
|
*/
|
export default class Decoder {
|
private rsDecoder;
|
constructor();
|
/**
|
* <p>Decodes a Data Matrix Code represented as a {@link BitMatrix}. A 1 or "true" is taken
|
* to mean a black module.</p>
|
*
|
* @param bits booleans representing white/black Data Matrix Code modules
|
* @return text and bytes encoded within the Data Matrix Code
|
* @throws FormatException if the Data Matrix Code cannot be decoded
|
* @throws ChecksumException if error correction fails
|
*/
|
decode(bits: BitMatrix): DecoderResult;
|
/**
|
* <p>Given data and error-correction codewords received, possibly corrupted by errors, attempts to
|
* correct the errors in-place using Reed-Solomon error correction.</p>
|
*
|
* @param codewordBytes data and error correction codewords
|
* @param numDataCodewords number of codewords that are data bytes
|
* @throws ChecksumException if error correction fails
|
*/
|
private correctErrors;
|
}
|