public virtual void BeginSaveImage(TileIndex id, BitmapSource image, Stream stream)
{
id = id.Normalize();
cache[id] = TransformImageAndStream(id, image, stream);
accessTimes[id] = Environment.TickCount;
if (Statistics.IntValues["MaxTilesCount"] < cache.Count)
{
Statistics.IntValues["MaxTilesCount"] = cache.Count;
}
if (cache.Keys.Count > maxCacheSize)
{
cleanupTimer.IsEnabled = true;
PerformCleanup(false);
}
}
