/// <summary> /// Get the DWT data of this tile from last frame /// </summary> /// <returns>A DWT tile</returns> public DwtTile GetOldDwt() { if (LastFrame != null) { return(LastFrame.GetDwt(Index)); } return(null); }
/// <summary> /// Get the different tiles of this surface /// </summary> /// <param name="bRgb">If true, check if Rgb data exist for specified frame; otherwise, check if Dwt data exist.</param> /// <returns>The array of different tiles.</returns> public TileIndex[] GetDiffIndexes(bool bRgb) { if (this.pendingUpdateIndexs != null && this.pendingUpdateIndexs.Length <= RdpegfxTileUtils.TileDiffMinCount) { return(this.pendingUpdateIndexs); } if (CurrentFrame == null) { return(null); } if (LastFrame == null) { return(this.pendingUpdateIndexs); } List <TileIndex> diffIndexList = new List <TileIndex>(); for (int xIndex = 0; xIndex *RdpegfxTileUtils.TileSize < this.Width; xIndex++) { for (int yIndex = 0; yIndex *RdpegfxTileUtils.TileSize < this.Height; yIndex++) { TileIndex tIndex = new TileIndex((ushort)xIndex, (ushort)yIndex, this.Width, this.Height); if (CurrentFrame.IsIndexInScope(tIndex, bRgb)) { //diffIndexList.Add(tIndex); if (LastFrame != null && LastFrame.IsIndexInScope(tIndex, bRgb)) { if (bRgb) { RgbTile prvRgb = LastFrame.GetRgbTile(tIndex); RgbTile curRgb = CurrentFrame.GetRgbTile(tIndex); if (!curRgb.EqualsWith(prvRgb)) { diffIndexList.Add(tIndex); } } else { DwtTile prvDwt = LastFrame.GetDwt(tIndex); DwtTile curDwt = CurrentFrame.GetDwt(tIndex); if (!curDwt.EqualsWith(prvDwt)) { diffIndexList.Add(tIndex); } } } else { diffIndexList.Add(tIndex); } } } } return(diffIndexList.ToArray()); }
/// <summary> /// Get the current DWT data of this tile /// </summary> /// <returns>a DWT tile</returns> public DwtTile GetDwt() { return(NewFrame.GetDwt(Index)); }