/// <summary>
/// Creates a new tiles layer.
/// </summary>
/// <param name="connection">The SQLite connection to the MBTiles.</param>
/// <param name="tileCacheSize">The size of tiles to cache.</param>
public LayerMBTile(SQLiteConnectionBase connection, int tileCacheSize)
{
_nativeImageCache = NativeImageCacheFactory.Create();
_connection = connection;
_cache = new LRUCache <Tile, Image2D>(tileCacheSize);
_cache.OnRemove += OnRemove;
_projection = new WebMercator();
}
/// <summary>
/// Creates a new tiles layer.
/// </summary>
/// <param name="tilesURL">The tiles URL.</param>
/// <param name="tileCacheSize">The tile cache size.</param>
public LayerTile(string tilesURL, int tileCacheSize)
{
_nativeImageCache = NativeImageCacheFactory.Create();
_tilesURL = tilesURL;
_cache = new LRUCache <Tile, Image2D>(tileCacheSize);
_cache.OnRemove += OnRemove;
_stack = new LimitedStack <Tile>(tileCacheSize, tileCacheSize);
_timer = new Timer(this.LoadQueuedTiles, null, System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite);
_attempts = new Dictionary <Tile, int>();
_suspended = false;
_projection = new WebMercator();
}
/// <summary>
/// Diposes of all resources associated with this object.
/// </summary>
/// <param name="disposing"></param>
protected virtual void Dispose(bool disposing)
{
if (disposing == true)
{
//someone want the deterministic release of all resources
//Let us release all the managed resources
}
else
{
// Do nothing, no one asked a dispose, the object went out of
// scope and finalized is called so lets next round of GC
// release these resources
}
// Release the unmanaged resource in any case as they will not be
// released by GC
if (this._nativeImageCache != null)
{ // dispose of the native image.
this._nativeImageCache.Flush();
this._nativeImageCache = null;
}
}
