private void ProcessQueue()
{
foreach (IconRequest request in _queue.GetConsumingEnumerable())
{
try
{
if (request.Model.Disposed)
{
continue;
}
IIndexable targetItem = request.Model.TargetItem;
var cacheKey = $"{targetItem.GetType()}: {targetItem.Name}";
BitmapSource source;
if (_iconCache.TryGetValue(cacheKey, out source))
{
request.Model.Icon = source;
continue;
}
IIconResolver iconResolver = targetItem.GetIconResolver();
using (Icon icon = iconResolver?.Resolve())
{
if (icon == null)
{
continue;
}
using (Bitmap bmp = icon.ToBitmap())
{
var stream = new MemoryStream();
bmp.Save(stream, ImageFormat.Png);
BitmapFrame bitmapSource = BitmapFrame.Create(stream);
_iconCache[cacheKey] = bitmapSource;
request.Model.Icon = bitmapSource;
}
}
}
catch (Exception ex)
{
Log.Error(ex, "Icon resolve failed for {Name}.", request.Model.Name);
}
}
}
