pinking shears effect in c#

public static void GetPinkingEffect()
        {
           //here depth will decide curve depth
            int depth = 5;
            Bitmap bmp = new Bitmap(@"C:\Users\Public\Pictures\Sample Pictures\Hydrangeas.jpg");

            var CurvePoints = new List<Point>();

            using (var g = Graphics.FromImage(bmp))
            {
                //Only Upper edge considered for Pinking effect..
                CurvePoints.Add(new Point(0, 0));
                for (var i = 0; i < Math.Ceiling((Decimal)bmp.Width / (depth * 2)); i++)
                {
                    CurvePoints.Add(new Point(5 + i * 10, depth));
                    CurvePoints.Add(new Point((i + 1) * 10, 0));
                }
                g.FillPolygon(new SolidBrush(Color.White), CurvePoints.ToArray());
            }
            bmp.Save(@"C:\Users\Public\Pictures\Sample Pictures\Pinking_Hydrangeas.jpg");
        }