Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/core/src/BitArray.cpp @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright 2016 Nu-book Inc.
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3 * Copyright 2016 ZXing authors
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4 */
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5 // SPDX-License-Identifier: Apache-2.0
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7 #include "BitArray.h"
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9 #include "ByteArray.h"
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11 #include <cstddef>
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12 #include <stdexcept>
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14 namespace ZXing {
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16 void
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17 BitArray::bitwiseXOR(const BitArray& other)
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18 {
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19 if (size() != other.size()) {
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20 throw std::invalid_argument("BitArray::xor(): Sizes don't match");
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21 }
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22 for (size_t i = 0; i < _bits.size(); i++) {
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23 // The last int could be incomplete (i.e. not have 32 bits in
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24 // it) but there is no problem since 0 XOR 0 == 0.
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25 _bits[i] ^= other._bits[i];
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26 }
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27 }
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29 ByteArray BitArray::toBytes(int bitOffset, int numBytes) const
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30 {
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31 ByteArray res(numBytes == -1 ? (size() - bitOffset + 7) / 8 : numBytes);
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32 for (int i = 0; i < Size(res); i++)
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33 for (int j = 0; j < 8; j++)
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34 AppendBit(res[i], (numBytes != -1 || bitOffset < size()) ? get(bitOffset++) : 0);
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35 return res;
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36 }
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38 } // ZXing