qzxing/source/zxing/multi/qrcode/QRCodeMultiReader.cpp

58 lines
2.1 KiB
C++

// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
/*
* Copyright 2011 ZXing authors All rights reserved.
*
* 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.
*/
#include <zxing/multi/qrcode/QRCodeMultiReader.h>
#include <zxing/ReaderException.h>
#include <zxing/multi/qrcode/detector/MultiDetector.h>
#include <zxing/BarcodeFormat.h>
namespace zxing {
namespace multi {
QRCodeMultiReader::QRCodeMultiReader(){}
QRCodeMultiReader::~QRCodeMultiReader(){}
std::vector<Ref<Result> > QRCodeMultiReader::decodeMultiple(Ref<BinaryBitmap> image,
DecodeHints hints)
{
std::vector<Ref<Result> > results;
MultiDetector detector(image->getBlackMatrix());
std::vector<Ref<DetectorResult> > detectorResult = detector.detectMulti(hints);
for (unsigned int i = 0; i < detectorResult.size(); i++) {
try {
Ref<DecoderResult> decoderResult = getDecoder().decode(detectorResult[i]->getBits());
std::vector<Ref<ResultPoint> > points = detectorResult[i]->getPoints();
Ref<Result> result = Ref<Result>(new Result(decoderResult->getText(),
decoderResult->getRawBytes(),
points, BarcodeFormat_QR_CODE));
// result->putMetadata(ResultMetadataType.BYTE_SEGMENTS, decoderResult->getByteSegments());
// result->putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, decoderResult->getECLevel().toString());
results.push_back(result);
} catch (ReaderException& re) {
// ignore and continue
}
}
if (results.empty()){
throw ReaderException("No code detected");
}
return results;
}
} // End zxing::multi namespace
} // End zxing namespace