Maconv/src/stuffit/methods/rle90.h

49 lines
1.2 KiB
C++

/*
RLE 90 compression algorithm.
Copyright (C) 2019, Guillaume Gonnet
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "stuffit/methods.h"
namespace maconv {
namespace stuffit {
// RLE 90 compression algorithm.
struct Rle90Method : CompressionMethod {
// Initialize the algorithm.
void Initialize() override;
// Read the next byte.
uint8_t ReadNextByte();
// Read the next bytes.
int32_t ReadBytes(uint8_t *data, uint32_t length) override;
uint32_t count; // Number of bytes to repeat.
uint8_t byte; // Byte to repeat.
};
} // namespace stuffit
} // namespace maconv