Example #1
0
 public void EnterReadLock()
 {
     Lock.AcquireReaderLock();
 }
Example #2
0
        public void UpdateBounds()////////////////////////////
        {
            if (!IsStarted || Provider.Equals(EmptyProvider.Instance))
            {
                return;
            }

            updatingBounds = true;

            tileDrawingListLock.AcquireWriterLock();
            try
            {
                #region -- find tiles around --
                tileDrawingList.Clear();

                for (long i = (int)Math.Floor(-sizeOfMapArea.Width * scaleX), countI =
                         (int)Math.Ceiling(sizeOfMapArea.Width * scaleX); i <= countI; i++)
                {
                    for (long j = (int)Math.Floor(-sizeOfMapArea.Height * scaleY), countJ =
                             (int)Math.Ceiling(sizeOfMapArea.Height * scaleY); j <= countJ; j++)
                    {
                        GPoint p = centerTileXYLocation;
                        p.X += i;
                        p.Y += j;

                        if (p.X >= minOfTiles.Width && p.Y >= minOfTiles.Height && p.X <= maxOfTiles.Width &&
                            p.Y <= maxOfTiles.Height)
                        {
                            DrawTile dt = new DrawTile()
                            {
                                PosXY       = p,
                                PosPixel    = new GPoint(p.X * tileRect.Width, p.Y * tileRect.Height),
                                DistanceSqr = (centerTileXYLocation.X - p.X) * (centerTileXYLocation.X - p.X) +
                                              (centerTileXYLocation.Y - p.Y) * (centerTileXYLocation.Y - p.Y)
                            };

                            if (!tileDrawingList.Contains(dt))
                            {
                                tileDrawingList.Add(dt);
                            }
                        }
                    }
                }

                if (GMaps.Instance.ShuffleTilesOnLoad)
                {
                    Stuff.Shuffle <DrawTile>(tileDrawingList);
                }
                else
                {
                    tileDrawingList.Sort();
                }
                #endregion
            }
            finally
            {
                tileDrawingListLock.ReleaseWriterLock();
            }


            Interlocked.Exchange(ref loadWaitCount, 0);

            tileDrawingListLock.AcquireReaderLock();
            try
            {
                foreach (DrawTile p in tileDrawingList)
                {
                    LoadTask task = new LoadTask(p.PosXY, Zoom, this);

                    AddLoadTask(task);
                }
            }
            finally
            {
                tileDrawingListLock.ReleaseReaderLock();
            }


            {
                LastTileLoadStart = DateTime.Now;
                Debug.WriteLine("OnTileLoadStart - at zoom " + Zoom + ", time: " + LastTileLoadStart.TimeOfDay);
            }

            updatingBounds = false;

            OnTileLoadStart?.Invoke();
        }
Example #3
0
        // ...

        internal byte[] GetTileFromMemoryCache(RawTile tile)
        {
            kiberCacheLock.AcquireReaderLock();
            try
            {
                if (TilesInMemory.TryGetValue(tile, out byte[] ret))