1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #include "common/stream.h" 24 25 namespace Groovie { 26 27 class LzssReadStream : public Common::ReadStream { 28 private: 29 uint8 *_outLzssBufData; 30 uint32 _size; 31 uint32 _pos; 32 33 uint32 decodeLZSS(Common::ReadStream *in, uint8 lengthmask, uint8 lengthbits); 34 35 public: 36 LzssReadStream(Common::ReadStream *indata, uint8 lengthmask, uint8 lengthbits); 37 ~LzssReadStream() override; 38 39 bool eos() const override; 40 uint32 read(void *buf, uint32 size) override; 41 }; 42 43 } // End of Groovie namespace 44