@zxing/library
Version:
TypeScript port of ZXing multi-format 1D/2D barcode image processing library.
27 lines (26 loc) • 1.2 kB
TypeScript
import Version from './Version';
/**
* <p>Encapsulates a block of data within a Data Matrix Code. Data Matrix 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 bbrown@google.com (Brian Brown)
*/
export default class DataBlock {
private numDataCodewords;
private codewords;
constructor(numDataCodewords: number, codewords: Uint8Array);
/**
* <p>When Data Matrix Codes use multiple data blocks, they actually interleave the bytes of each of them.
* 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 Data Matrix Code
* @param version version of the Data Matrix Code
* @return DataBlocks containing original bytes, "de-interleaved" from representation in the
* Data Matrix Code
*/
static getDataBlocks(rawCodewords: Int8Array, version: Version): DataBlock[];
getNumDataCodewords(): number;
getCodewords(): Uint8Array;
}