mirror of
https://github.com/zxing/zxing.git
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7616c4d06d
git-svn-id: https://zxing.googlecode.com/svn/trunk@2558 59b500cc-1b3d-0410-9834-0bbf25fbcc57
97 lines
3.6 KiB
C#
Executable file
97 lines
3.6 KiB
C#
Executable file
using System.Collections.Generic;
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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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namespace com.google.zxing.multi.qrcode
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{
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using BarcodeFormat = com.google.zxing.BarcodeFormat;
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using BinaryBitmap = com.google.zxing.BinaryBitmap;
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using DecodeHintType = com.google.zxing.DecodeHintType;
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using NotFoundException = com.google.zxing.NotFoundException;
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using ReaderException = com.google.zxing.ReaderException;
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using Result = com.google.zxing.Result;
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using ResultMetadataType = com.google.zxing.ResultMetadataType;
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using ResultPoint = com.google.zxing.ResultPoint;
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using DecoderResult = com.google.zxing.common.DecoderResult;
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using DetectorResult = com.google.zxing.common.DetectorResult;
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using MultipleBarcodeReader = com.google.zxing.multi.MultipleBarcodeReader;
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using MultiDetector = com.google.zxing.multi.qrcode.detector.MultiDetector;
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using QRCodeReader = com.google.zxing.qrcode.QRCodeReader;
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/// <summary>
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/// This implementation can detect and decode multiple QR Codes in an image.
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///
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/// @author Sean Owen
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/// @author Hannes Erven
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/// </summary>
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public sealed class QRCodeMultiReader : com.google.zxing.qrcode.QRCodeReader, com.google.zxing.multi.MultipleBarcodeReader
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{
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private static readonly Result[] EMPTY_RESULT_ARRAY = new Result[0];
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//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
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//ORIGINAL LINE: public com.google.zxing.Result[] decodeMultiple(com.google.zxing.BinaryBitmap image) throws com.google.zxing.NotFoundException
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public Result[] decodeMultiple(BinaryBitmap image)
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{
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return decodeMultiple(image, null);
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}
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//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
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//ORIGINAL LINE: public com.google.zxing.Result[] decodeMultiple(com.google.zxing.BinaryBitmap image, java.util.Map<com.google.zxing.DecodeHintType,?> hints) throws com.google.zxing.NotFoundException
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public Result[] decodeMultiple(BinaryBitmap image, IDictionary<DecodeHintType, object> hints)
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{
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List<Result> results = new List<Result>();
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DetectorResult[] detectorResults = (new MultiDetector(image.BlackMatrix)).detectMulti(hints);
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foreach (DetectorResult detectorResult in detectorResults)
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{
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try
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{
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DecoderResult decoderResult = Decoder.decode(detectorResult.Bits, hints);
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ResultPoint[] points = detectorResult.Points;
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Result result = new Result(decoderResult.Text, decoderResult.RawBytes, points, BarcodeFormat.QR_CODE);
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IList<sbyte[]> byteSegments = decoderResult.ByteSegments;
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if (byteSegments != null)
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{
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result.putMetadata(ResultMetadataType.BYTE_SEGMENTS, byteSegments);
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}
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string ecLevel = decoderResult.ECLevel;
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if (ecLevel != null)
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{
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result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
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}
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results.Add(result);
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}
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catch (ReaderException re)
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{
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// ignore and continue
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}
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}
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if (results.Count == 0)
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{
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return EMPTY_RESULT_ARRAY;
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}
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else
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{
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return results.ToArray();
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}
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}
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}
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} |