scummvm/common/dcl.h

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/**
* @file
* PKWARE DCL ("explode") ("PKWARE data compression library") decompressor used in engines:
* - agos (exclusively for Simon 2 setup.shr file)
* - mohawk
* - neverhood
* - sci
*/
#ifndef COMMON_DCL_H
#define COMMON_DCL_H
#include "common/scummsys.h"
namespace Common {
class ReadStream;
class SeekableReadStream;
/**
* Try to decompress a PKWARE DCL (PKWARE data compression library) compressed stream. Returns true if
* successful.
*/
bool decompressDCL(ReadStream *sourceStream, byte *dest, uint32 packedSize, uint32 unpackedSize);
/**
* Try to decompress a PKWARE DCL (PKWARE data compression library) compressed stream. Returns a valid pointer
* if successful and 0 otherwise.
*/
SeekableReadStream *decompressDCL(SeekableReadStream *sourceStream, uint32 packedSize, uint32 unpackedSize);
/**
* Try to decompress a PKWARE DCL (PKWARE data compression library) compressed stream. Returns a valid pointer
* if successful and 0 otherwise. This method is meant for cases, where the unpacked size is not known.
*/
SeekableReadStream *decompressDCL(SeekableReadStream *sourceStream);
} // End of namespace Common
#endif