"use strict";
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/*
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* Copyright 2009 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var DecodeHintType_1 = require("./DecodeHintType");
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var BarcodeFormat_1 = require("./BarcodeFormat");
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var QRCodeReader_1 = require("./qrcode/QRCodeReader");
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var AztecReader_1 = require("./aztec/AztecReader");
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var MultiFormatOneDReader_1 = require("./oned/MultiFormatOneDReader");
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var DataMatrixReader_1 = require("./datamatrix/DataMatrixReader");
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var NotFoundException_1 = require("./NotFoundException");
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var PDF417Reader_1 = require("./pdf417/PDF417Reader");
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var ReaderException_1 = require("./ReaderException");
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/*namespace com.google.zxing {*/
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/**
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* MultiFormatReader is a convenience class and the main entry point into the library for most uses.
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* By default it attempts to decode all barcode formats that the library supports. Optionally, you
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* can provide a hints object to request different behavior, for example only decoding QR codes.
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*
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* @author Sean Owen
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* @author dswitkin@google.com (Daniel Switkin)
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*/
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var MultiFormatReader = /** @class */ (function () {
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function MultiFormatReader() {
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}
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/**
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* This version of decode honors the intent of Reader.decode(BinaryBitmap) in that it
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* passes null as a hint to the decoders. However, that makes it inefficient to call repeatedly.
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* Use setHints() followed by decodeWithState() for continuous scan applications.
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*
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* @param image The pixel data to decode
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* @return The contents of the image
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*
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* @throws NotFoundException Any errors which occurred
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*/
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/*@Override*/
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// public decode(image: BinaryBitmap): Result {
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// setHints(null)
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// return decodeInternal(image)
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// }
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/**
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* Decode an image using the hints provided. Does not honor existing state.
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*
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* @param image The pixel data to decode
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* @param hints The hints to use, clearing the previous state.
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* @return The contents of the image
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*
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* @throws NotFoundException Any errors which occurred
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*/
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/*@Override*/
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MultiFormatReader.prototype.decode = function (image, hints) {
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this.setHints(hints);
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return this.decodeInternal(image);
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};
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/**
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* Decode an image using the state set up by calling setHints() previously. Continuous scan
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* clients will get a <b>large</b> speed increase by using this instead of decode().
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*
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* @param image The pixel data to decode
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* @return The contents of the image
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*
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* @throws NotFoundException Any errors which occurred
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*/
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MultiFormatReader.prototype.decodeWithState = function (image) {
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// Make sure to set up the default state so we don't crash
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if (this.readers === null || this.readers === undefined) {
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this.setHints(null);
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}
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return this.decodeInternal(image);
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};
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/**
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* This method adds state to the MultiFormatReader. By setting the hints once, subsequent calls
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* to decodeWithState(image) can reuse the same set of readers without reallocating memory. This
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* is important for performance in continuous scan clients.
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*
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* @param hints The set of hints to use for subsequent calls to decode(image)
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*/
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MultiFormatReader.prototype.setHints = function (hints) {
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this.hints = hints;
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var tryHarder = hints !== null && hints !== undefined && undefined !== hints.get(DecodeHintType_1.default.TRY_HARDER);
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/*@SuppressWarnings("unchecked")*/
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var formats = hints === null || hints === undefined ? null : hints.get(DecodeHintType_1.default.POSSIBLE_FORMATS);
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var readers = new Array();
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if (formats !== null && formats !== undefined) {
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var addOneDReader = formats.some(function (f) {
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return f === BarcodeFormat_1.default.UPC_A ||
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f === BarcodeFormat_1.default.UPC_E ||
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f === BarcodeFormat_1.default.EAN_13 ||
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f === BarcodeFormat_1.default.EAN_8 ||
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f === BarcodeFormat_1.default.CODABAR ||
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f === BarcodeFormat_1.default.CODE_39 ||
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f === BarcodeFormat_1.default.CODE_93 ||
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f === BarcodeFormat_1.default.CODE_128 ||
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f === BarcodeFormat_1.default.ITF ||
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f === BarcodeFormat_1.default.RSS_14 ||
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f === BarcodeFormat_1.default.RSS_EXPANDED;
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});
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// Put 1D readers upfront in "normal" mode
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// TYPESCRIPTPORT: TODO: uncomment below as they are ported
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if (addOneDReader && !tryHarder) {
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readers.push(new MultiFormatOneDReader_1.default(hints));
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}
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if (formats.includes(BarcodeFormat_1.default.QR_CODE)) {
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readers.push(new QRCodeReader_1.default());
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}
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if (formats.includes(BarcodeFormat_1.default.DATA_MATRIX)) {
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readers.push(new DataMatrixReader_1.default());
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}
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if (formats.includes(BarcodeFormat_1.default.AZTEC)) {
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readers.push(new AztecReader_1.default());
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}
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if (formats.includes(BarcodeFormat_1.default.PDF_417)) {
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readers.push(new PDF417Reader_1.default());
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}
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// if (formats.includes(BarcodeFormat.MAXICODE)) {
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// readers.push(new MaxiCodeReader())
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// }
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// At end in "try harder" mode
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if (addOneDReader && tryHarder) {
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readers.push(new MultiFormatOneDReader_1.default(hints));
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}
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}
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if (readers.length === 0) {
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if (!tryHarder) {
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readers.push(new MultiFormatOneDReader_1.default(hints));
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}
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readers.push(new QRCodeReader_1.default());
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readers.push(new DataMatrixReader_1.default());
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readers.push(new AztecReader_1.default());
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readers.push(new PDF417Reader_1.default());
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// readers.push(new MaxiCodeReader())
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if (tryHarder) {
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readers.push(new MultiFormatOneDReader_1.default(hints));
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}
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}
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this.readers = readers; // .toArray(new Reader[readers.size()])
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};
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/*@Override*/
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MultiFormatReader.prototype.reset = function () {
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var e_1, _a;
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if (this.readers !== null) {
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try {
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for (var _b = __values(this.readers), _c = _b.next(); !_c.done; _c = _b.next()) {
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var reader = _c.value;
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reader.reset();
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
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}
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finally { if (e_1) throw e_1.error; }
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}
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}
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};
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/**
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* @throws NotFoundException
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*/
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MultiFormatReader.prototype.decodeInternal = function (image) {
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var e_2, _a;
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if (this.readers === null) {
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throw new ReaderException_1.default('No readers where selected, nothing can be read.');
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}
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try {
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for (var _b = __values(this.readers), _c = _b.next(); !_c.done; _c = _b.next()) {
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var reader = _c.value;
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// Trying to decode with ${reader} reader.
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try {
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return reader.decode(image, this.hints);
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}
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catch (ex) {
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if (ex instanceof ReaderException_1.default) {
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continue;
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}
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// Bad Exception.
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}
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}
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}
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catch (e_2_1) { e_2 = { error: e_2_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
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}
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finally { if (e_2) throw e_2.error; }
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}
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throw new NotFoundException_1.default('No MultiFormat Readers were able to detect the code.');
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};
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return MultiFormatReader;
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}());
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exports.default = MultiFormatReader;
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