mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
/** @file
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Copyright (C) 2019, vit9696. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef OC_COMPRESSION_LIB_H
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#define OC_COMPRESSION_LIB_H
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/**
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Maximumum compression and decompression buffer size may vary from
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0 to OC_COMPRESSION_MAX_LENGTH inclusive.
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**/
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#define OC_COMPRESSION_MAX_LENGTH BASE_1GB
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/**
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Allow the use of extra adler32 validation.
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Not very useful as dmg has own checks.
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**/
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// #define OC_INFLATE_VERIFY_DATA
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/**
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Compress buffer with LZSS algorithm.
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@param[out] Dst Destination buffer.
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@param[in] DstLen Destination buffer size.
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@param[in] Src Source buffer.
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@param[in] SrcLen Source buffer size.
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@return Dst + CompressedLen on success otherwise NULL.
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**/
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UINT8 *
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CompressLZSS (
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OUT UINT8 *Dst,
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IN UINT32 DstLen,
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IN UINT8 *Src,
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IN UINT32 SrcLen
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);
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/**
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Decompress buffer with LZSS algorithm.
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@param[out] Dst Destination buffer.
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@param[in] DstLen Destination buffer size.
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@param[in] Src Source buffer.
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@param[in] SrcLen Source buffer size.
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@return DecompressedLen on success otherwise 0.
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**/
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UINT32
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DecompressLZSS (
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OUT UINT8 *Dst,
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IN UINT32 DstLen,
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IN UINT8 *Src,
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IN UINT32 SrcLen
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);
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/**
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Decompress buffer with LZVN algorithm.
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@param[out] Dst Destination buffer.
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@param[in] DstLen Destination buffer size.
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@param[in] Src Source buffer.
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@param[in] SrcLen Source buffer size.
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@return DecompressedLen on success otherwise 0.
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**/
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UINTN
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DecompressLZVN (
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OUT UINT8 *Dst,
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IN UINTN DstLen,
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IN CONST UINT8 *Src,
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IN UINTN SrcLen
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);
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/**
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Compress buffer with ZLIB algorithm.
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@param[out] Dst Destination buffer.
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@param[in] DstLen Destination buffer size.
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@param[in] Src Source buffer.
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@param[in] SrcLen Source buffer size.
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@return Dst + CompressedLen on success otherwise NULL.
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**/
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UINT8 *
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CompressZLIB (
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OUT UINT8 *Dst,
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IN UINT32 DstLen,
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IN CONST UINT8 *Src,
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IN UINT32 SrcLen
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);
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/**
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Decompress buffer with ZLIB algorithm.
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@param[out] Dst Destination buffer.
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@param[in] DstLen Destination buffer size.
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@param[in] Src Source buffer.
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@param[in] SrcLen Source buffer size.
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@return DecompressedLen on success otherwise 0.
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**/
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UINTN
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DecompressZLIB (
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OUT UINT8 *Dst,
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IN UINTN DstLen,
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IN CONST UINT8 *Src,
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IN UINTN SrcLen
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);
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/**
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Decompress buffer with RLE24 algorithm and 8-bit alpha.
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This algorithm is used for encoding IT32/T8MK images in ICNS.
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@param[out] Dst Destination buffer.
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@param[in] DstLen Destination buffer size.
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@param[in] Src Source buffer.
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@param[in] SrcLen Source buffer size.
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@param[in] Mask Source buffer.
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@param[in] MaskLen Source buffer size.
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@param[in] Premultiply Multiply source channels by alpha.
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@return DecompressedLen on success otherwise 0.
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**/
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UINT32
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DecompressMaskedRLE24 (
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OUT UINT8 *Dst,
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IN UINT32 DstLen,
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IN UINT8 *Src,
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IN UINT32 SrcLen,
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IN UINT8 *Mask,
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IN UINT32 MaskLen,
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IN BOOLEAN Premultiply
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);
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#endif // OC_COMPRESSION_LIB_H
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