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* QR Code generator library (C++)
* Copyright (c) Project Nayuki. (MIT License)
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
* - The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* - The Software is provided "as is", without warranty of any kind, express or
* implied, including but not limited to the warranties of merchantability,
* fitness for a particular purpose and noninfringement. In no event shall the
* authors or copyright holders be liable for any claim, damages or other
* liability, whether in an action of contract, tort or otherwise, arising from,
* out of or in connection with the Software or the use or other dealings in the
* Software.
#pragma once
#include <cstdint>
#include <vector>
namespace qrcodegen {
* An appendable sequence of bits (0's and 1's).
class BitBuffer final : public std::vector<bool> {
/*---- Constructor ----*/
// Creates an empty bit buffer (length 0).
public: BitBuffer();
/*---- Methods ----*/
// Packs this buffer's bits into bytes in big endian,
// padding with '0' bit values, and returns the new vector.
public: std::vector<std::uint8_t> getBytes() const;
// Appends the given number of low bits of the given value
// to this sequence. Requires 0 <= val < 2^len.
public: void appendBits(std::uint32_t val, int len);