newPoint center = funcCentrPoint();
            double kx = (double)set_sc_x.Value;
            double ky = (double)set_sc_y.Value;
            foreach (newPoint p in points)
            {
                p.X -= centerPoint.X;
                p.Y -= centerPoint.Y;
                p.X = (int)(p.X * kx);
                p.Y = (int)(p.Y * ky);
                p.X += centerPoint.X;
                p.Y += centerPoint.Y;
            }
            redrawImage();