//Load bitmap from ImageBrush and set it as a bitmapDrawable background on target view
private static async Task <IDisposable> SetImageBrushAsBackground(CancellationToken ct, BindableView view, ImageBrush background, Windows.Foundation.Rect drawArea, Path maskingPath, Action onImageSet)
{
var bitmap = await background.GetBitmap(ct, drawArea, maskingPath);
onImageSet();
if (ct.IsCancellationRequested || bitmap == null)
{
bitmap?.Recycle();
bitmap?.Dispose();
return(Disposable.Empty);
}
var bitmapDrawable = new BitmapDrawable(bitmap);
SetDrawableAlpha(bitmapDrawable, (int)(background.Opacity * __opaqueAlpha));
ExecuteWithNoRelayout(view, v => v.SetBackgroundDrawable(bitmapDrawable));
return(Disposable.Create(() =>
{
bitmapDrawable?.Bitmap?.Recycle();
bitmapDrawable?.Dispose();
}));
}