42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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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 "ByteArray.h"
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#include <vector>
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namespace ZXing::DataMatrix {
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class Version;
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/**
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* <p>Encapsulates a block of data within a Data Matrix Code. Data Matrix Codes may split their data into
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* multiple blocks, each of which is a unit of data and error-correction codewords. Each
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* is represented by an instance of this class.</p>
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*/
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struct DataBlock
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{
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const int numDataCodewords = 0;
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ByteArray codewords;
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};
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/**
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* <p>When Data Matrix Codes use multiple data blocks, they actually interleave the bytes of each of them.
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* That is, the first byte of data block 1 to n is written, then the second bytes, and so on. This
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* method will separate the data into original blocks.</p>
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*
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* @param rawCodewords bytes as read directly from the Data Matrix Code
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* @param version version of the Data Matrix Code
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* @param fix259 see https://github.com/zxing-cpp/zxing-cpp/issues/259
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* @return DataBlocks containing original bytes, "de-interleaved" from representation in the
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* Data Matrix Code
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*/
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std::vector<DataBlock> GetDataBlocks(const ByteArray& rawCodewords, const Version& version, bool fix259 = false);
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} // namespace ZXing::DataMatrix
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