public async Task RenderEmptyCustomFilter() { var customFilter = new EmptyCustomFilter(); using (var source = KnownImages.MikikoLynn.ImageSource) using (var filterEffect = new FilterEffect(source) { Filters = new[] { customFilter } }) using (var renderer = new JpegRenderer(filterEffect)) { var buffer = await renderer.RenderAsync(); ImageResults.Instance.SaveToPicturesLibrary(buffer); } }