/*
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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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// package com.google.zxing.pdf417;
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// import com.google.zxing.BarcodeFormat;
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import BarcodeFormat from '../BarcodeFormat';
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// import com.google.zxing.ChecksumException;
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import ChecksumException from '../ChecksumException';
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// import com.google.zxing.FormatException;
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import FormatException from '../FormatException';
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// import com.google.zxing.NotFoundException;
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import NotFoundException from '../NotFoundException';
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// import com.google.zxing.Result;
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import Result from '../Result';
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// import com.google.zxing.common.DecoderResult;
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// import com.google.zxing.multi.MultipleBarcodeReader;
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// import com.google.zxing.pdf417.decoder.PDF417ScanningDecoder;
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// import com.google.zxing.pdf417.detector.Detector;
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// import com.google.zxing.pdf417.detector.PDF417DetectorResult;
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import PDF417Common from './PDF417Common';
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import Integer from '../util/Integer';
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import ResultMetadataType from '../ResultMetadataType';
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import Detector from './detector/Detector';
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import PDF417ScanningDecoder from './decoder/PDF417ScanningDecoder';
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// import java.util.ArrayList;
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// import java.util.List;
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// import java.util.Map;
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/**
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* This implementation can detect and decode PDF417 codes in an image.
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*
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* @author Guenther Grau
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*/
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export default /*public final*/ class PDF417Reader {
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// private static /*final Result[]*/ EMPTY_RESULT_ARRAY: Result[] = new Result([0]);
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/**
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* Locates and decodes a PDF417 code in an image.
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*
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* @return a String representing the content encoded by the PDF417 code
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* @throws NotFoundException if a PDF417 code cannot be found,
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* @throws FormatException if a PDF417 cannot be decoded
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* @throws ChecksumException
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*/
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// @Override
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decode(image, hints = null) {
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let result = PDF417Reader.decode(image, hints, false);
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if (result == null || result.length === 0 || result[0] == null) {
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throw NotFoundException.getNotFoundInstance();
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}
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return result[0];
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}
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/**
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*
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* @param BinaryBitmap
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* @param image
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* @throws NotFoundException
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*/
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// @Override
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decodeMultiple(image, hints = null) {
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try {
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return PDF417Reader.decode(image, hints, true);
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}
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catch (ignored) {
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if (ignored instanceof FormatException || ignored instanceof ChecksumException) {
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throw NotFoundException.getNotFoundInstance();
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}
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throw ignored;
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}
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}
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/**
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*
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* @param image
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* @param hints
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* @param multiple
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*
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* @throws NotFoundException
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* @throws FormatExceptionß
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* @throws ChecksumException
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*/
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static decode(image, hints, multiple) {
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const results = new Array();
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const detectorResult = Detector.detectMultiple(image, hints, multiple);
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for (const points of detectorResult.getPoints()) {
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const decoderResult = PDF417ScanningDecoder.decode(detectorResult.getBits(), points[4], points[5], points[6], points[7], PDF417Reader.getMinCodewordWidth(points), PDF417Reader.getMaxCodewordWidth(points));
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const result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), undefined, points, BarcodeFormat.PDF_417);
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result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, decoderResult.getECLevel());
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const pdf417ResultMetadata = decoderResult.getOther();
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if (pdf417ResultMetadata != null) {
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result.putMetadata(ResultMetadataType.PDF417_EXTRA_METADATA, pdf417ResultMetadata);
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}
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results.push(result);
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}
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return results.map(x => x);
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}
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static getMaxWidth(p1, p2) {
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if (p1 == null || p2 == null) {
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return 0;
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}
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return Math.trunc(Math.abs(p1.getX() - p2.getX()));
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}
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static getMinWidth(p1, p2) {
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if (p1 == null || p2 == null) {
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return Integer.MAX_VALUE;
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}
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return Math.trunc(Math.abs(p1.getX() - p2.getX()));
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}
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static getMaxCodewordWidth(p) {
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return Math.floor(Math.max(Math.max(PDF417Reader.getMaxWidth(p[0], p[4]), PDF417Reader.getMaxWidth(p[6], p[2]) * PDF417Common.MODULES_IN_CODEWORD /
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PDF417Common.MODULES_IN_STOP_PATTERN), Math.max(PDF417Reader.getMaxWidth(p[1], p[5]), PDF417Reader.getMaxWidth(p[7], p[3]) * PDF417Common.MODULES_IN_CODEWORD /
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PDF417Common.MODULES_IN_STOP_PATTERN)));
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}
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static getMinCodewordWidth(p) {
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return Math.floor(Math.min(Math.min(PDF417Reader.getMinWidth(p[0], p[4]), PDF417Reader.getMinWidth(p[6], p[2]) * PDF417Common.MODULES_IN_CODEWORD /
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PDF417Common.MODULES_IN_STOP_PATTERN), Math.min(PDF417Reader.getMinWidth(p[1], p[5]), PDF417Reader.getMinWidth(p[7], p[3]) * PDF417Common.MODULES_IN_CODEWORD /
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PDF417Common.MODULES_IN_STOP_PATTERN)));
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}
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// @Override
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reset() {
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// nothing needs to be reset
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}
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}
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