blurr effect

- (void)viewDidLoad {
    [super viewDidLoad];
    UIVisualEffect *blurEffect;
    blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
    UIVisualEffectView *visualEffectView;
    visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
    visualEffectView.frame = drawnDesign.bounds;
    [myImage addSubview:visualEffectView];
}