compression.h 3.0 KB

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  1. /**************************************************************************/
  2. /* compression.h */
  3. /**************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* https://godotengine.org */
  7. /**************************************************************************/
  8. /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
  9. /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
  10. /* */
  11. /* Permission is hereby granted, free of charge, to any person obtaining */
  12. /* a copy of this software and associated documentation files (the */
  13. /* "Software"), to deal in the Software without restriction, including */
  14. /* without limitation the rights to use, copy, modify, merge, publish, */
  15. /* distribute, sublicense, and/or sell copies of the Software, and to */
  16. /* permit persons to whom the Software is furnished to do so, subject to */
  17. /* the following conditions: */
  18. /* */
  19. /* The above copyright notice and this permission notice shall be */
  20. /* included in all copies or substantial portions of the Software. */
  21. /* */
  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  29. /**************************************************************************/
  30. #ifndef COMPRESSION_H
  31. #define COMPRESSION_H
  32. #include "core/templates/vector.h"
  33. #include "core/typedefs.h"
  34. class Compression {
  35. public:
  36. static int zlib_level;
  37. static int gzip_level;
  38. static int zstd_level;
  39. static bool zstd_long_distance_matching;
  40. static int zstd_window_log_size;
  41. static int gzip_chunk;
  42. enum Mode {
  43. MODE_FASTLZ,
  44. MODE_DEFLATE,
  45. MODE_ZSTD,
  46. MODE_GZIP,
  47. MODE_BROTLI
  48. };
  49. static int compress(uint8_t *p_dst, const uint8_t *p_src, int p_src_size, Mode p_mode = MODE_ZSTD);
  50. static int get_max_compressed_buffer_size(int p_src_size, Mode p_mode = MODE_ZSTD);
  51. 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);
  52. 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);
  53. };
  54. #endif // COMPRESSION_H