@zxing/library/es2015/core/Result.js

TypeScript port of ZXing multi-format 1D/2D barcode image processing library.

/*
 * Copyright 2007 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import System from './util/System';
/**
 * <p>Encapsulates the result of decoding a barcode within an image.</p>
 *
 * @author Sean Owen
 */
export default class Result {
    // public constructor(private text: string,
    //               Uint8Array rawBytes,
    //               ResultPoconst resultPoints: Int32Array,
    //               BarcodeFormat format) {
    //   this(text, rawBytes, resultPoints, format, System.currentTimeMillis())
    // }
    // public constructor(text: string,
    //               Uint8Array rawBytes,
    //               ResultPoconst resultPoints: Int32Array,
    //               BarcodeFormat format,
    //               long timestamp) {
    //   this(text, rawBytes, rawBytes == null ? 0 : 8 * rawBytes.length,
    //        resultPoints, format, timestamp)
    // }
    constructor(text, rawBytes, numBits = rawBytes == null ? 0 : 8 * rawBytes.length, resultPoints, format, timestamp = System.currentTimeMillis()) {
        this.text = text;
        this.rawBytes = rawBytes;
        this.numBits = numBits;
        this.resultPoints = resultPoints;
        this.format = format;
        this.timestamp = timestamp;
        this.text = text;
        this.rawBytes = rawBytes;
        if (undefined === numBits || null === numBits) {
            this.numBits = (rawBytes === null || rawBytes === undefined) ? 0 : 8 * rawBytes.length;
        }
        else {
            this.numBits = numBits;
        }
        this.resultPoints = resultPoints;
        this.format = format;
        this.resultMetadata = null;
        if (undefined === timestamp || null === timestamp) {
            this.timestamp = System.currentTimeMillis();
        }
        else {
            this.timestamp = timestamp;
        }
    }
    /**
     * @return raw text encoded by the barcode
     */
    getText() {
        return this.text;
    }
    /**
     * @return raw bytes encoded by the barcode, if applicable, otherwise {@code null}
     */
    getRawBytes() {
        return this.rawBytes;
    }
    /**
     * @return how many bits of {@link #getRawBytes()} are valid; typically 8 times its length
     * @since 3.3.0
     */
    getNumBits() {
        return this.numBits;
    }
    /**
     * @return points related to the barcode in the image. These are typically points
     *         identifying finder patterns or the corners of the barcode. The exact meaning is
     *         specific to the type of barcode that was decoded.
     */
    getResultPoints() {
        return this.resultPoints;
    }
    /**
     * @return {@link BarcodeFormat} representing the format of the barcode that was decoded
     */
    getBarcodeFormat() {
        return this.format;
    }
    /**
     * @return {@link Map} mapping {@link ResultMetadataType} keys to values. May be
     *   {@code null}. This contains optional metadata about what was detected about the barcode,
     *   like orientation.
     */
    getResultMetadata() {
        return this.resultMetadata;
    }
    putMetadata(type, value) {
        if (this.resultMetadata === null) {
            this.resultMetadata = new Map();
        }
        this.resultMetadata.set(type, value);
    }
    putAllMetadata(metadata) {
        if (metadata !== null) {
            if (this.resultMetadata === null) {
                this.resultMetadata = metadata;
            }
            else {
                this.resultMetadata = new Map(metadata);
            }
        }
    }
    addResultPoints(newPoints) {
        const oldPoints = this.resultPoints;
        if (oldPoints === null) {
            this.resultPoints = newPoints;
        }
        else if (newPoints !== null && newPoints.length > 0) {
            const allPoints = new Array(oldPoints.length + newPoints.length);
            System.arraycopy(oldPoints, 0, allPoints, 0, oldPoints.length);
            System.arraycopy(newPoints, 0, allPoints, oldPoints.length, newPoints.length);
            this.resultPoints = allPoints;
        }
    }
    getTimestamp() {
        return this.timestamp;
    }
    /*@Override*/
    toString() {
        return this.text;
    }
}