scummvm/engines/pink/cel_decoder.h
2021-12-26 18:48:43 +01:00

72 lines
2.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef PINK_CEL_DECODER_H
#define PINK_CEL_DECODER_H
#include "video/flic_decoder.h"
namespace Pink {
class CelDecoder : public Video::FlicDecoder {
public:
bool loadStream(Common::SeekableReadStream *stream) override;
uint16 getTransparentColourIndex() const;
Common::Point getCenter() const;
const Graphics::Surface *getCurrentFrame() const;
void skipFrame();
void setEndOfTrack();
protected:
class CelVideoTrack : public FlicVideoTrack {
public:
CelVideoTrack(Common::SeekableReadStream *stream, uint16 frameCount, uint16 width, uint16 height, bool skipHeader = false);
void readHeader() override;
uint16 getTransparentColourIndex() const;
// Hack. Pink needs so that Track needed an update after lastFrame delay ends
void setEndOfTrack() { _curFrame = _frameCount; }
bool endOfTrack() const override { return getCurFrame() >= getFrameCount(); }
Common::Point getCenter() const;
const Graphics::Surface *getCurrentFrame() const;
void skipFrame();
bool rewind() override;
private:
const Graphics::Surface *decodeNextFrame() override;
void readPrefixChunk();
Common::Point _center;
byte _transparentColourIndex;
};
};
}
#endif