42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
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/*
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* Copyright 2016 Nu-book Inc.
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* Copyright 2016 ZXing authors
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*/
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "QRErrorCorrectionLevel.h"
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namespace ZXing {
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class BitMatrix;
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class ByteArray;
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namespace QRCode {
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class Version;
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class FormatInformation;
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/**
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* @brief Reads version information from the QR Code.
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* @return {@link Version} encapsulating the QR Code's version, nullptr if neither location can be parsed
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*/
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const Version* ReadVersion(const BitMatrix& bitMatrix, Type type);
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/**
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* @brief Reads format information from one of its two locations within the QR Code.
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* @return {@link FormatInformation} encapsulating the QR Code's format info, result is invalid if both format
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* information locations cannot be parsed as the valid encoding of format information
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*/
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FormatInformation ReadFormatInformation(const BitMatrix& bitMatrix);
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/**
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* @brief Reads the codewords from the BitMatrix.
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* @return bytes encoded within the QR Code or empty array if the exact number of bytes expected is not read
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*/
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ByteArray ReadCodewords(const BitMatrix& bitMatrix, const Version& version, const FormatInformation& formatInfo);
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} // QRCode
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} // ZXing
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