public TileVisual(IEnumerable<ImageSource> src, RawTile tile)
{
Opacity = 0;
Tile = tile;
Source = new ObservableCollection<ImageSource>(src);
Source.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(Source_CollectionChanged);
this.Loaded += new RoutedEventHandler(ImageVisual_Loaded);
this.Unloaded += new RoutedEventHandler(ImageVisual_Unloaded);
}
// ...
internal byte[] GetTileFromMemoryCache(RawTile tile)
{
kiberCacheLock.AcquireReaderLock();
try
{
byte[] ret = null;
if(TilesInMemory.TryGetValue(tile, out ret))
{
return ret;
}
}
finally
{
kiberCacheLock.ReleaseReaderLock();
}
return null;
}
internal void AddTileToMemoryCache(RawTile tile, byte[] data)
{
if(data != null)
{
kiberCacheLock.AcquireWriterLock();
try
{
if(!TilesInMemory.ContainsKey(tile))
{
TilesInMemory.Add(tile, data);
}
}
finally
{
kiberCacheLock.ReleaseWriterLock();
}
}
#if DEBUG
else
{
//Debug.WriteLine("adding empty data to MemoryCache ;} ");
if(Debugger.IsAttached)
{
Debugger.Break();
}
}
#endif
}
void CompositionTargetEx_FrameUpdating(object sender, RenderingEventArgs e)
{
if(update)
{
_frameCounterUpdate++;
update = false;
#region -- add image --
for(int x = 0; x < TilesSize.Width; x++)
{
for(int y = 0; y < TilesSize.Height; y++)
{
var rawTile = new RawTile(MapType.GoogleHybrid, new GMap.NET.Point(x, y), ZoomStep);
var rectTilePx = new Rect(x*Projection.TileSize.Width, y*Projection.TileSize.Height, Projection.TileSize.Width, Projection.TileSize.Height);
TileVisual image = null;
if(!images.TryGetValue(rawTile, out image))
{
var layers = GMaps.Instance.GetAllLayersOfType(rawTile.Type);
ImageSource[] imgs = new ImageSource[layers.Length];
// get tiles
for(int i = 0; i < layers.Length; i++)
{
Exception ex;
var res = GMaps.Instance.GetImageFrom(layers[i], rawTile.Pos, rawTile.Zoom, out ex) as WindowsPresentationImage;
if(res != null)
{
imgs[i] = res.Img;
}
}
// combine visual
image = new TileVisual(imgs, rawTile);
images.Add(rawTile, image);
Canvas.SetZIndex(image, -1);
}
bool ri = (region.IntersectsWith(new GMap.NET.Rectangle((int) (rectTilePx.X + renderOffset.X), (int) (rectTilePx.Y + renderOffset.Y), (int) rectTilePx.Width, (int) rectTilePx.Height)));
if(TilesLayer.Children.Contains(image))
{
if(ri)
{
image.MoveTo(Math.Round(rectTilePx.X) + 0.6 + renderOffset.X, Math.Round(rectTilePx.Y) + 0.6 + renderOffset.Y);
}
else
{
TilesLayer.Children.Remove(image);
}
}
else
{
if(ri)
{
image.MoveTo(Math.Round(rectTilePx.X) + 0.6 + renderOffset.X, Math.Round(rectTilePx.Y) + 0.6 + renderOffset.Y);
BeginAnimateOpacity(image);
{
TilesLayer.Children.Add(image);
}
}
}
//break;
}
//break;
}
count = TilesLayer.Children.Count;
#endregion
}
if(_stopwatch.ElapsedMilliseconds >= 1000)
{
_stopwatch.Stop();
perfInfo.Text = "FPS: " + (ushort) (_frameCounter/_stopwatch.Elapsed.TotalSeconds) + " | " + (ushort) (_frameCounterUpdate/_stopwatch.Elapsed.TotalSeconds) + " | " + count + " tiles";
_frameCounter = 0;
_frameCounterUpdate = 0;
_stopwatch.Reset();
_stopwatch.Start();
}
else
{
_frameCounter++;
}
}
public CacheQueueItem(RawTile tile, byte[] Img, CacheUsage cacheType)
{
this.Tile = tile;
this.Img = Img;
this.CacheType = cacheType;
}
public CacheQueueItem(RawTile tile, byte[] Img, CacheUsage cacheType)
{
this.Tile = tile;
this.Img = Img;
this.CacheType = cacheType;
}
