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Diffstat (limited to 'engines/zvision/animation/rlf_animation.h')
| -rw-r--r-- | engines/zvision/animation/rlf_animation.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/engines/zvision/animation/rlf_animation.h b/engines/zvision/animation/rlf_animation.h deleted file mode 100644 index 4bb779301b..0000000000 --- a/engines/zvision/animation/rlf_animation.h +++ /dev/null @@ -1,163 +0,0 @@ -/* 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 2 - * 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#ifndef ZVISION_RLF_ANIMATION_H -#define ZVISION_RLF_ANIMATION_H - -#include "common/file.h" - -#include "graphics/surface.h" - - -namespace Common { -class String; -} - -namespace ZVision { - -class RlfAnimation { -public: - RlfAnimation(const Common::String &fileName, bool stream = true); - ~RlfAnimation(); - -private: - enum EncodingType { - Masked, - Simple - }; - - struct Frame { - EncodingType type; - int8 *encodedData; - uint32 encodedSize; - }; - -private: - Common::File _file; - bool _stream; - uint _lastFrameRead; - - uint _frameCount; - uint _width; - uint _height; - uint32 _frameTime; // In milliseconds - Frame *_frames; - Common::Array<uint> _completeFrames; - - int _currentFrame; - Graphics::Surface _currentFrameBuffer; - uint32 _frameBufferByteSize; - -public: - uint frameCount() { return _frameCount; } - uint width() { return _width; } - uint height() { return _height; } - uint32 frameTime() { return _frameTime; } - - /** - * Seeks to the frameNumber and updates the internal Surface with - * the new frame data. If frameNumber == -1, it only sets _currentFrame, - * the internal Surface is unchanged. This function requires _stream = false - * - * @param frameNumber The frame number to seek to - */ - void seekToFrame(int frameNumber); - - /** - * Returns the pixel data of the frame specified. It will try to use - * getNextFrame() if possible. If not, it uses seekToFrame() to - * update the internal Surface and then returns a pointer to it. - * This function requires _stream = false - * - * @param frameNumber The frame number to get data for - * @return A pointer to the pixel data. Do NOT delete this. - */ - const Graphics::Surface *getFrameData(uint frameNumber); - /** - * Returns the pixel data of the next frame. It is up to the user to - * check if the next frame is valid before calling this. - * IE. Use endOfAnimation() - * - * @return A pointer to the pixel data. Do NOT delete this. - */ - const Graphics::Surface *getNextFrame(); - - /** - * @return Is the currentFrame is the last frame in the animation? - */ - bool endOfAnimation() { return _currentFrame == (int)_frameCount - 1; } - -private: - /** - * Reads in the header of the RLF file - * - * @return Will return false if the header magic number is wrong - */ - bool readHeader(); - /** - * Reads the next frame from the RLF file, stores the data in - * a Frame object, then returns the object - * - * @return A Frame object representing the frame data - */ - Frame readNextFrame(); - - /** - * Applies the frame corresponding to frameNumber on top of _currentFrameBuffer. - * This function requires _stream = false so it can look up the Frame object - * referenced by frameNumber. - * - * @param frameNumber The frame number to apply to _currentFrameBuffer - */ - void applyFrameToCurrent(uint frameNumber); - /** - * Applies the data from a Frame object on top of a _currentFrameBuffer. - * - * @param frame A Frame object to apply to _currentFrameBuffer - */ - void applyFrameToCurrent(const RlfAnimation::Frame &frame); - - /** - * Decode frame data that uses masked run length encoding. This is the encoding - * used by P-frames. - * - * @param source The source pixel data - * @param dest The destination buffer - * @param sourceSize The size of the source pixel data - * @param destSize The size of the destination buffer - */ - void decodeMaskedRunLengthEncoding(int8 *source, int8 *dest, uint32 sourceSize, uint32 destSize) const; - /** - * Decode frame data that uses simple run length encoding. This is the encoding - * used by I-frames. - * - * @param source The source pixel data - * @param dest The destination buffer - * @param sourceSize The size of the source pixel data - * @param destSize The size of the destination buffer - */ - void decodeSimpleRunLengthEncoding(int8 *source, int8 *dest, uint32 sourceSize, uint32 destSize) const; -}; - -} // End of namespace ZVision - -#endif |