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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef NANCY_DECOMPRESS_H
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#define NANCY_DECOMPRESS_H
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#include "common/scummsys.h"
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namespace Common {
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class ReadStream;
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class WriteStream;
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class MemoryWriteStream;
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}
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namespace Nancy {
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class Decompressor {
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public:
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// Decompresses data from input until the end of the stream
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// The output stream must have the right size for the decompressed data
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bool decompress(Common::ReadStream &input, Common::MemoryWriteStream &output);
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private:
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enum {
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kBufSize = 4096,
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kBufStart = 4078
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};
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void init(Common::ReadStream &input, Common::WriteStream &output);
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bool readByte(byte &b);
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bool writeByte(byte b);
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byte _buf[kBufSize];
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uint _bufpos;
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bool _err;
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byte _val;
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Common::ReadStream *_input;
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Common::WriteStream *_output;
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};
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} // End of namespace Nancy
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#endif // NANCY_DECOMPRESS_H
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