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										 |  |  | /**************************************************************************/ | 
					
						
							|  |  |  | /*  compression.h                                                         */ | 
					
						
							|  |  |  | /**************************************************************************/ | 
					
						
							|  |  |  | /*                         This file is part of:                          */ | 
					
						
							|  |  |  | /*                             GODOT ENGINE                               */ | 
					
						
							|  |  |  | /*                        https://godotengine.org                         */ | 
					
						
							|  |  |  | /**************************************************************************/ | 
					
						
							|  |  |  | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | 
					
						
							|  |  |  | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */ | 
					
						
							|  |  |  | /*                                                                        */ | 
					
						
							|  |  |  | /* 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.                 */ | 
					
						
							|  |  |  | /**************************************************************************/ | 
					
						
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										 |  |  | #ifndef COMPRESSION_H
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							|  |  |  | #define COMPRESSION_H
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										 |  |  | #include "core/templates/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; | 
					
						
							|  |  |  | 	static int gzip_level; | 
					
						
							|  |  |  | 	static int zstd_level; | 
					
						
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										 |  |  | 	static bool zstd_long_distance_matching; | 
					
						
							|  |  |  | 	static int zstd_window_log_size; | 
					
						
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										 |  |  | 	static int gzip_chunk; | 
					
						
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										 |  |  | 	enum Mode : int32_t { | 
					
						
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										 |  |  | 		MODE_FASTLZ, | 
					
						
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										 |  |  | 		MODE_DEFLATE, | 
					
						
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										 |  |  | 		MODE_ZSTD, | 
					
						
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										 |  |  | 		MODE_GZIP, | 
					
						
							|  |  |  | 		MODE_BROTLI | 
					
						
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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); | 
					
						
							|  |  |  | 	static int get_max_compressed_buffer_size(int p_src_size, Mode p_mode = MODE_ZSTD); | 
					
						
							|  |  |  | 	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(Vector<uint8_t> *p_dst_vect, 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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