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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001/2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef DECODER_H
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#define DECODER_H
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#include "config.h"
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#include "common/rect.h"
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using ScummVM::Point;
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using ScummVM::Rect;
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class Blitter;
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class Chunk;
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/*! @brief base class for codec decompression.
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This class provides an interface for codec decompression.
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*/
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class Decoder {
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private:
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Rect _r; //!< current size of the frame object to decode
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Point _p; //!< position of the frame object to decode
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protected:
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const Rect & getRect() const{ return _r; }
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const Point & getSize() const { return _p; }
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public:
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Decoder() {};
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virtual ~Decoder() {};
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virtual bool initSize(const Point & p, const Rect & r) { _p = p; _r = r; return true; };
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virtual bool decode(Blitter &, Chunk &) = 0;
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};
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#endif
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