60 lines
3.0 KiB
C++
60 lines
3.0 KiB
C++
/*************************************************************************/
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/* compression.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef COMPRESSION_H
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#define COMPRESSION_H
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#include "core/pool_vector.h"
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#include "core/typedefs.h"
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class Compression {
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public:
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static int zlib_level;
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static int gzip_level;
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static int zstd_level;
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static bool zstd_long_distance_matching;
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static int zstd_window_log_size;
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static int gzip_chunk;
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enum Mode {
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MODE_FASTLZ,
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MODE_DEFLATE,
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MODE_ZSTD,
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MODE_GZIP
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};
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static int compress(uint8_t *p_dst, const uint8_t *p_src, int p_src_size, Mode p_mode = MODE_ZSTD);
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static int get_max_compressed_buffer_size(int p_src_size, Mode p_mode = MODE_ZSTD);
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static int decompress(uint8_t *p_dst, int p_dst_max_size, const uint8_t *p_src, int p_src_size, Mode p_mode = MODE_ZSTD);
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static int decompress_dynamic(PoolVector<uint8_t> *p_dst, int p_max_dst_size, const uint8_t *p_src, int p_src_size, Mode p_mode);
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};
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#endif // COMPRESSION_H
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