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87 lines
2.5 KiB
C++
87 lines
2.5 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 MUTATIONOFJB_ANIMATIONDECODER_H
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#define MUTATIONOFJB_ANIMATIONDECODER_H
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#include "common/rect.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(const Common::String &fileName, const Graphics::Surface &outSurface);
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~AnimationDecoder();
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bool decode(AnimationDecoderCallback *callback);
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/**
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* Enables partial decoding mode.
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*
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* @param fromFrame Frame to start decoding on (inclusive).
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* @param toFrame Frame to end decoding on (inclusive).
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* @param area Output surface will be confined to this area.
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* @param threshold Source pixels with color index above this threshold will not be replaced.
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*/
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void setPartialMode(int fromFrame, int toFrame, const Common::Rect area = Common::Rect(), uint8 threshold = 0xFF);
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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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bool _owningSurface;
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byte _palette[PALETTE_SIZE];
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int _fromFrame;
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int _toFrame;
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Common::Rect _area;
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uint8 _threshold;
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};
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}
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#endif
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