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https://github.com/scummvm/scummvm.git
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69 lines
1.8 KiB
C++
69 lines
1.8 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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*
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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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*
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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 COMMON_POWERPACKER_H
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#define COMMON_POWERPACKER_H
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#include "common/stream.h"
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namespace Common {
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class PowerPackerStream : public Common::SeekableReadStream {
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SeekableReadStream *_stream;
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bool _dispose;
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private:
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static int ppDecrunchBuffer(const byte *src, byte *dest, uint32 src_len, uint32 dest_len);
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static uint16 getCrunchType(uint32 signature);
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public:
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PowerPackerStream(Common::SeekableReadStream &stream);
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static byte *unpackBuffer(const byte *input, uint32 input_len, uint32 &output_len);
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~PowerPackerStream() override {
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if (_dispose) delete _stream;
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}
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int64 size() const override {
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return _stream->size();
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}
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int64 pos() const override {
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return _stream->pos();
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}
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bool eos() const override {
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return _stream->eos();
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}
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bool seek(int64 offs, int whence = SEEK_SET) override {
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return _stream->seek(offs, whence);
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}
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uint32 read(void *dataPtr, uint32 dataSize) override {
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return _stream->read(dataPtr, dataSize);
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}
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};
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} // End of namespace Common
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#endif
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