public async Task Load(CanvasDevice device, StorageFile file)
{
using (var stream = await file.OpenReadAsync())
{
SourceBitmap = await CanvasBitmap.LoadAsync(device, stream);
}
bitmapFormat = sourceBitmap.Format;
bitmapData = sourceBitmap.GetPixelBytes();
Size = sourceBitmap.Size.ToVector2();
Edits.Clear();
Edits.Add(new EditGroup(this));
SelectedEffect = null;
}