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ANSLibs/QRCode/datamatrix/DMReader.cpp

59 lines
1.4 KiB
C++

/*
* Copyright 2016 Nu-book Inc.
* Copyright 2016 ZXing authors
*/
// SPDX-License-Identifier: Apache-2.0
#include "DMReader.h"
#include "BinaryBitmap.h"
#include "DMDecoder.h"
#include "DMDetector.h"
#include "ReaderOptions.h"
#include "DecoderResult.h"
#include "DetectorResult.h"
#include "Barcode.h"
#include <utility>
namespace ZXing::DataMatrix {
Barcode Reader::decode(const BinaryBitmap& image) const
{
#ifdef __cpp_impl_coroutine
return FirstOrDefault(decode(image, 1));
#else
auto binImg = image.getBitMatrix();
if (binImg == nullptr)
return {};
auto detectorResult = Detect(*binImg, _opts.tryHarder(), _opts.tryRotate(), _opts.isPure());
if (!detectorResult.isValid())
return {};
return Barcode(Decode(detectorResult.bits()), std::move(detectorResult), BarcodeFormat::DataMatrix);
#endif
}
#ifdef __cpp_impl_coroutine
Barcodes Reader::decode(const BinaryBitmap& image, int maxSymbols) const
{
auto binImg = image.getBitMatrix();
if (binImg == nullptr)
return {};
Barcodes res;
for (auto&& detRes : Detect(*binImg, _opts.tryHarder(), _opts.tryRotate(), _opts.isPure())) {
auto decRes = Decode(detRes.bits());
if (decRes.isValid(_opts.returnErrors())) {
res.emplace_back(std::move(decRes), std::move(detRes), BarcodeFormat::DataMatrix);
if (maxSymbols > 0 && Size(res) >= maxSymbols)
break;
}
}
return res;
}
#endif
} // namespace ZXing::DataMatrix