"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (g && (g = 0, op[0] && (_ = 0)), _) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; Object.defineProperty(exports, "__esModule", { value: true }); exports.BarcodeDetectorDelegate = void 0; var core_1 = require("./core"); var BarcodeDetectorDelegate = (function () { function BarcodeDetectorDelegate(requestedFormats, verbose, logger) { this.formatMap = new Map([ [core_1.Html5QrcodeSupportedFormats.QR_CODE, "qr_code"], [core_1.Html5QrcodeSupportedFormats.AZTEC, "aztec"], [core_1.Html5QrcodeSupportedFormats.CODABAR, "codabar"], [core_1.Html5QrcodeSupportedFormats.CODE_39, "code_39"], [core_1.Html5QrcodeSupportedFormats.CODE_93, "code_93"], [core_1.Html5QrcodeSupportedFormats.CODE_128, "code_128"], [core_1.Html5QrcodeSupportedFormats.DATA_MATRIX, "data_matrix"], [core_1.Html5QrcodeSupportedFormats.ITF, "itf"], [core_1.Html5QrcodeSupportedFormats.EAN_13, "ean_13"], [core_1.Html5QrcodeSupportedFormats.EAN_8, "ean_8"], [core_1.Html5QrcodeSupportedFormats.PDF_417, "pdf417"], [core_1.Html5QrcodeSupportedFormats.UPC_A, "upc_a"], [core_1.Html5QrcodeSupportedFormats.UPC_E, "upc_e"] ]); this.reverseFormatMap = this.createReverseFormatMap(); if (!BarcodeDetectorDelegate.isSupported()) { throw "Use html5qrcode.min.js without edit, Use " + "BarcodeDetectorDelegate only if it isSupported();"; } this.verbose = verbose; this.logger = logger; var formats = this.createBarcodeDetectorFormats(requestedFormats); this.detector = new BarcodeDetector(formats); if (!this.detector) { throw "BarcodeDetector detector not supported"; } } BarcodeDetectorDelegate.isSupported = function () { if (!("BarcodeDetector" in window)) { return false; } var dummyDetector = new BarcodeDetector({ formats: ["qr_code"] }); return typeof dummyDetector !== "undefined"; }; BarcodeDetectorDelegate.prototype.decodeAsync = function (canvas) { return __awaiter(this, void 0, void 0, function () { var barcodes, largestBarcode; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4, this.detector.detect(canvas)]; case 1: barcodes = _a.sent(); if (!barcodes || barcodes.length === 0) { throw "No barcode or QR code detected."; } largestBarcode = this.selectLargestBarcode(barcodes); return [2, { text: largestBarcode.rawValue, format: core_1.QrcodeResultFormat.create(this.toHtml5QrcodeSupportedFormats(largestBarcode.format)), debugData: this.createDebugData() }]; } }); }); }; BarcodeDetectorDelegate.prototype.selectLargestBarcode = function (barcodes) { var largestBarcode = null; var maxArea = 0; for (var _i = 0, barcodes_1 = barcodes; _i < barcodes_1.length; _i++) { var barcode = barcodes_1[_i]; var area = barcode.boundingBox.width * barcode.boundingBox.height; if (area > maxArea) { maxArea = area; largestBarcode = barcode; } } if (!largestBarcode) { throw "No largest barcode found"; } return largestBarcode; }; BarcodeDetectorDelegate.prototype.createBarcodeDetectorFormats = function (requestedFormats) { var formats = []; for (var _i = 0, requestedFormats_1 = requestedFormats; _i < requestedFormats_1.length; _i++) { var requestedFormat = requestedFormats_1[_i]; if (this.formatMap.has(requestedFormat)) { formats.push(this.formatMap.get(requestedFormat)); } else { this.logger.warn("".concat(requestedFormat, " is not supported by") + "BarcodeDetectorDelegate"); } } return { formats: formats }; }; BarcodeDetectorDelegate.prototype.toHtml5QrcodeSupportedFormats = function (barcodeDetectorFormat) { if (!this.reverseFormatMap.has(barcodeDetectorFormat)) { throw "reverseFormatMap doesn't have ".concat(barcodeDetectorFormat); } return this.reverseFormatMap.get(barcodeDetectorFormat); }; BarcodeDetectorDelegate.prototype.createReverseFormatMap = function () { var result = new Map(); this.formatMap.forEach(function (value, key, _) { result.set(value, key); }); return result; }; BarcodeDetectorDelegate.prototype.createDebugData = function () { return { decoderName: "BarcodeDetector" }; }; return BarcodeDetectorDelegate; }()); exports.BarcodeDetectorDelegate = BarcodeDetectorDelegate; //# sourceMappingURL=native-bar-code-detector.js.map