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70 lines
1.9 KiB
C++
70 lines
1.9 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
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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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef MUTATIONOFJB_ANIMATIONDECODER_H
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#define MUTATIONOFJB_ANIMATIONDECODER_H
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#include "common/scummsys.h"
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#include "common/str.h"
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#include "graphics/surface.h"
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#include "mutationofjb/encryptedfile.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace MutationOfJB {
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enum {
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PALETTE_COLORS = 256,
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PALETTE_SIZE = PALETTE_COLORS * 3,
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IMAGE_WIDTH = 320,
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IMAGE_HEIGHT = 200
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};
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class AnimationDecoderCallback {
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public:
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virtual void onFrame(int frameNo, Graphics::Surface &surface) = 0;
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virtual void onPaletteUpdated(byte palette[PALETTE_SIZE]) = 0;
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virtual ~AnimationDecoderCallback() {}
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};
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class AnimationDecoder {
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public:
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AnimationDecoder(const Common::String &fileName);
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~AnimationDecoder();
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bool decode(AnimationDecoderCallback *callback);
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private:
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void loadPalette(Common::SeekableReadStream &stream);
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void loadFullFrame(EncryptedFile &file, uint32 size);
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void loadDiffFrame(EncryptedFile &file, uint32 size);
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Common::String _fileName;
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Graphics::Surface _surface;
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byte _palette[PALETTE_SIZE];
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};
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}
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#endif
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