deflate.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef COMMON_ZLIB_H
#define COMMON_ZLIB_H
 
#include "common/scummsys.h"
#include "common/types.h"
 
namespace Common {
 
class ReadStream;
class SeekableReadStream;
class WriteStream;
 
bool inflateZlib(byte *dst, unsigned long *dstLen, const byte *src, unsigned long srcLen);
static inline bool inflateZlib(byte *dst, unsigned long  dstLen, const byte *src, unsigned long srcLen) {
    return inflateZlib(dst, &dstLen, src, srcLen);
}
 
bool inflateZlibHeaderless(byte *dst, uint *dstLen, const byte *src, uint srcLen, const byte *dict = nullptr, uint dictLen = 0);
static inline bool inflateZlibHeaderless(byte *dst, uint dstLen, const byte *src, uint srcLen, const byte *dict = nullptr, uint dictLen = 0) {
    return inflateZlibHeaderless(dst, &dstLen, src, srcLen, dict, dictLen);
}
 
bool inflateZlibHeaderless(Common::WriteStream &dst, Common::ReadStream &src, const byte *dict = nullptr, uint dictLen = 0);
 
bool inflateClickteam(byte *dst, uint *dstLen, const byte *src, uint srcLen);
static inline bool inflateClickteam(byte *dst, uint  dstLen, const byte *src, uint srcLen) {
    return inflateClickteam(dst, &dstLen, src, srcLen);
}
 
SeekableReadStream *wrapCompressedReadStream(SeekableReadStream *toBeWrapped,
        DisposeAfterUse::Flag disposeParent = DisposeAfterUse::YES, uint64 knownSize = 0);
 
SeekableReadStream *wrapDeflateReadStream(SeekableReadStream *toBeWrapped,
        DisposeAfterUse::Flag disposeParent = DisposeAfterUse::YES, uint64 knownSize = 0,
        const byte *dict = nullptr, uint dictLen = 0);
 
SeekableReadStream *wrapClickteamReadStream(SeekableReadStream *toBeWrapped,
        DisposeAfterUse::Flag disposeParent = DisposeAfterUse::YES, uint64 knownSize = 0);
 
WriteStream *wrapCompressedWriteStream(WriteStream *toBeWrapped);
 
} // End of namespace Common
 
#endif