import ResultPoint from '../../ResultPoint';
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import BitMatrix from '../../common/BitMatrix';
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import DecoderResult from '../../common/DecoderResult';
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import ErrorCorrection from './ec/ErrorCorrection';
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import BarcodeValue from './BarcodeValue';
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import { int } from '../../../customTypings';
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/**
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* @author Guenther Grau
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*/
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export default class PDF417ScanningDecoder {
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static CODEWORD_SKEW_SIZE: int;
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static MAX_ERRORS: int;
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static MAX_EC_CODEWORDS: int;
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static errorCorrection: ErrorCorrection;
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private constructor();
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/**
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* @TODO don't pass in minCodewordWidth and maxCodewordWidth, pass in barcode columns for start and stop pattern
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*
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* columns. That way width can be deducted from the pattern column.
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* This approach also allows to detect more details about the barcode, e.g. if a bar type (white or black) is wider
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* than it should be. This can happen if the scanner used a bad blackpoint.
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*
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* @param BitMatrix
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* @param image
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* @param ResultPoint
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* @param imageTopLeft
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* @param ResultPoint
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* @param imageBottomLeft
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* @param ResultPoint
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* @param imageTopRight
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* @param ResultPoint
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* @param imageBottomRight
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* @param int
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* @param minCodewordWidth
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* @param int
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* @param maxCodewordWidth
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*
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* @throws NotFoundException
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* @throws FormatException
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* @throws ChecksumException
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*/
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static decode(image: BitMatrix, imageTopLeft: ResultPoint, imageBottomLeft: ResultPoint, imageTopRight: ResultPoint, imageBottomRight: ResultPoint, minCodewordWidth: int, maxCodewordWidth: int): DecoderResult;
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/**
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*
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* @param leftRowIndicatorColumn
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* @param rightRowIndicatorColumn
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*
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* @throws NotFoundException
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*/
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private static merge;
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/**
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*
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* @param rowIndicatorColumn
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*
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* @throws NotFoundException
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*/
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private static adjustBoundingBox;
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private static getMax;
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private static getBarcodeMetadata;
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private static getRowIndicatorColumn;
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/**
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*
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* @param detectionResult
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* @param BarcodeValue
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* @param param2
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* @param param3
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* @param barcodeMatrix
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*
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* @throws NotFoundException
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*/
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private static adjustCodewordCount;
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/**
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*
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* @param detectionResult
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*
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* @throws FormatException
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* @throws ChecksumException
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* @throws NotFoundException
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*/
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private static createDecoderResult;
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/**
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* This method deals with the fact, that the decoding process doesn't always yield a single most likely value. The
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* current error correction implementation doesn't deal with erasures very well, so it's better to provide a value
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* for these ambiguous codewords instead of treating it as an erasure. The problem is that we don't know which of
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* the ambiguous values to choose. We try decode using the first value, and if that fails, we use another of the
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* ambiguous values and try to decode again. This usually only happens on very hard to read and decode barcodes,
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* so decoding the normal barcodes is not affected by this.
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*
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* @param erasureArray contains the indexes of erasures
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* @param ambiguousIndexes array with the indexes that have more than one most likely value
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* @param ambiguousIndexValues two dimensional array that contains the ambiguous values. The first dimension must
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* be the same length as the ambiguousIndexes array
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*
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* @throws FormatException
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* @throws ChecksumException
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*/
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private static createDecoderResultFromAmbiguousValues;
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private static createBarcodeMatrix;
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private static isValidBarcodeColumn;
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private static getStartColumn;
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private static detectCodeword;
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private static getModuleBitCount;
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private static getNumberOfECCodeWords;
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private static adjustCodewordStartColumn;
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private static checkCodewordSkew;
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/**
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* @throws FormatException,
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* @throws ChecksumException
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*/
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private static decodeCodewords;
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/**
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* <p>Given data and error-correction codewords received, possibly corrupted by errors, attempts to
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* correct the errors in-place.</p>
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*
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* @param codewords data and error correction codewords
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* @param erasures positions of any known erasures
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* @param numECCodewords number of error correction codewords that are available in codewords
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* @throws ChecksumException if error correction fails
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*/
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private static correctErrors;
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/**
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* Verify that all is OK with the codeword array.
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* @throws FormatException
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*/
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private static verifyCodewordCount;
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private static getBitCountForCodeword;
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private static getCodewordBucketNumber;
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private static getCodewordBucketNumber_number;
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private static getCodewordBucketNumber_Int32Array;
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static toString(barcodeMatrix: BarcodeValue[][]): String;
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}
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