UNPKG

@zxing/library

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

56 lines (55 loc) 1.72 kB
import DecoderResult from '../../common/DecoderResult'; /** * <p>Data Matrix Codes can encode text as bits in one of several modes, and can use multiple modes * in one Data Matrix Code. This class decodes the bits back into text.</p> * * <p>See ISO 16022:2006, 5.2.1 - 5.2.9.2</p> * * @author bbrown@google.com (Brian Brown) * @author Sean Owen */ export default class DecodedBitStreamParser { /** * See ISO 16022:2006, Annex C Table C.1 * The C40 Basic Character Set (*'s used for placeholders for the shift values) */ private static C40_BASIC_SET_CHARS; private static C40_SHIFT2_SET_CHARS; /** * See ISO 16022:2006, Annex C Table C.2 * The Text Basic Character Set (*'s used for placeholders for the shift values) */ private static TEXT_BASIC_SET_CHARS; private static TEXT_SHIFT2_SET_CHARS; private static TEXT_SHIFT3_SET_CHARS; static decode(bytes: Uint8Array): DecoderResult; /** * See ISO 16022:2006, 5.2.3 and Annex C, Table C.2 */ private static decodeAsciiSegment; /** * See ISO 16022:2006, 5.2.5 and Annex C, Table C.1 */ private static decodeC40Segment; /** * See ISO 16022:2006, 5.2.6 and Annex C, Table C.2 */ private static decodeTextSegment; /** * See ISO 16022:2006, 5.2.7 */ private static decodeAnsiX12Segment; private static parseTwoBytes; /** * See ISO 16022:2006, 5.2.8 and Annex C Table C.3 */ private static decodeEdifactSegment; /** * See ISO 16022:2006, 5.2.9 and Annex B, B.2 */ private static decodeBase256Segment; /** * See ISO 16022:2006, Annex B, B.2 */ private static unrandomize255State; }