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| import BitMatrix from '../../common/BitMatrix';
| export declare enum DataMaskValues {
| DATA_MASK_000 = 0,
| DATA_MASK_001 = 1,
| DATA_MASK_010 = 2,
| DATA_MASK_011 = 3,
| DATA_MASK_100 = 4,
| DATA_MASK_101 = 5,
| DATA_MASK_110 = 6,
| DATA_MASK_111 = 7
| }
| /**
| * <p>Encapsulates data masks for the data bits in a QR code, per ISO 18004:2006 6.8. Implementations
| * of this class can un-mask a raw BitMatrix. For simplicity, they will unmask the entire BitMatrix,
| * including areas used for finder patterns, timing patterns, etc. These areas should be unused
| * after the point they are unmasked anyway.</p>
| *
| * <p>Note that the diagram in section 6.8.1 is misleading since it indicates that i is column position
| * and j is row position. In fact, as the text says, i is row position and j is column position.</p>
| *
| * @author Sean Owen
| */
| export default class DataMask {
| private value;
| private isMasked;
| constructor(value: DataMaskValues, isMasked: (i: number, j: number) => boolean);
| static values: Map<DataMaskValues, DataMask>;
| /**
| * <p>Implementations of this method reverse the data masking process applied to a QR Code and
| * make its bits ready to read.</p>
| *
| * @param bits representation of QR Code bits
| * @param dimension dimension of QR Code, represented by bits, being unmasked
| */
| unmaskBitMatrix(bits: BitMatrix, dimension: number): void;
| }
|
|
