@zxing/library/es2015/core/qrcode/decoder/DataBlock.d.ts

TypeScript port of ZXing multi-format 1D/2D barcode image processing library.

import Version from './Version';
import ErrorCorrectionLevel from './ErrorCorrectionLevel';
/**
 * <p>Encapsulates a block of data within a QR Code. QR Codes may split their data into
 * multiple blocks, each of which is a unit of data and error-correction codewords. Each
 * is represented by an instance of this class.</p>
 *
 * @author Sean Owen
 */
export default class DataBlock {
    private numDataCodewords;
    private codewords;
    private constructor();
    /**
     * <p>When QR Codes use multiple data blocks, they are actually interleaved.
     * That is, the first byte of data block 1 to n is written, then the second bytes, and so on. This
     * method will separate the data into original blocks.</p>
     *
     * @param rawCodewords bytes as read directly from the QR Code
     * @param version version of the QR Code
     * @param ecLevel error-correction level of the QR Code
     * @return DataBlocks containing original bytes, "de-interleaved" from representation in the
     *         QR Code
     */
    static getDataBlocks(rawCodewords: Uint8Array, version: Version, ecLevel: ErrorCorrectionLevel): DataBlock[];
    getNumDataCodewords(): number;
    getCodewords(): Uint8Array;
}