@zxing/library
Version:
TypeScript port of ZXing multi-format 1D/2D barcode image processing library.
59 lines • 2.5 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var AbstractExpandedDecoder_1 = require("./AbstractExpandedDecoder");
var AI01decoder = /** @class */ (function (_super) {
__extends(AI01decoder, _super);
function AI01decoder(information) {
return _super.call(this, information) || this;
}
AI01decoder.prototype.encodeCompressedGtin = function (buf, currentPos) {
buf.append("(01)");
var initialPosition = buf.length();
buf.append('9');
this.encodeCompressedGtinWithoutAI(buf, currentPos, initialPosition);
};
AI01decoder.prototype.encodeCompressedGtinWithoutAI = function (buf, currentPos, initialBufferPosition) {
for (var i = 0; i < 4; ++i) {
var currentBlock = this.getGeneralDecoder().extractNumericValueFromBitArray(currentPos + 10 * i, 10);
if (currentBlock / 100 == 0) {
buf.append('0');
}
if (currentBlock / 10 == 0) {
buf.append('0');
}
buf.append(currentBlock);
}
AI01decoder.appendCheckDigit(buf, initialBufferPosition);
};
AI01decoder.appendCheckDigit = function (buf, currentPos) {
var checkDigit = 0;
for (var i = 0; i < 13; i++) {
//let digit = buf.charAt(i + currentPos) - '0';
//To be checked
var digit = buf.charAt(i + currentPos).charCodeAt(0) - '0'.charCodeAt(0);
checkDigit += (i & 0x01) == 0 ? 3 * digit : digit;
}
checkDigit = 10 - (checkDigit % 10);
if (checkDigit == 10) {
checkDigit = 0;
}
buf.append(checkDigit);
};
AI01decoder.GTIN_SIZE = 40;
return AI01decoder;
}(AbstractExpandedDecoder_1.default));
exports.default = AI01decoder;
//# sourceMappingURL=AI01decoder.js.map