totalWidth = [UIScreen mainScreen].bounds.size.width;
    M = totalWidth - rightMouthX;
    N = totalWidth - M;
    width = N - leftMouthX;

    totalHeight = [UIScreen mainScreen].bounds.size.height;
    P = totalHeight - bottomMouthY;
    Q = totalHeight - P;
    height = Q - centerMouthY;

    NSArray *dimentionArray = @[
                                [NSNumber numberWithFloat:leftMouthX],
                                [NSNumber numberWithFloat:leftMouthY],
                                [NSNumber numberWithFloat:width],
                                [NSNumber numberWithFloat:height *2]
                                ];

    [DrawingUtility addRectangle:faceRect
                          toView:self.overlayView
                       withColor:[UIColor clearColor]withImageViewDimention:dimentionArray];

+ (void)addRectangle:(CGRect)rect
          toView:(UIView *)view
       withColor:(UIColor *)color
      withImageViewDimention:(NSArray *)dimention{


 UIView *newView = [[UIView alloc] initWithFrame:rect];
 newView.layer.cornerRadius = 10;
 newView.alpha = 0.3;
 newView.backgroundColor = color;
 [view addSubview:newView];

 UIImageView *imgView = [[UIImageView alloc]init];
 if (dimention) {

    imgView.frame = CGRectMake([[dimention objectAtIndex:0] floatValue], [[dimention objectAtIndex:1] floatValue], [[dimention objectAtIndex:2] floatValue], [[dimention objectAtIndex:3] floatValue]);
}

imgView.image = [UIImage imageNamed:@"lips.png"];

[view addSubview:imgView];
}