if (face == null)
            {
                throw new ArgumentNullException("Brak Bazy!");
            }

            if (hair == null)
            {
                throw new ArgumentNullException("Oczy nie zostały wybrane!");
            }

            Bitmap outputImage = new Bitmap(this.pictureBox1.Width, this.pictureBox1.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);

            using (Graphics graphics = Graphics.FromImage(outputImage))
            {
                graphics.DrawImage(this.pictureBox1.Image, new Rectangle(new Point(), face.Size),
                    new Rectangle(new Point(), face.Size), GraphicsUnit.Pixel);
                graphics.DrawImage(hair, new Rectangle(new Point(0, face.Height + 1), hair.Size),
                    new Rectangle(new Point(), hair.Size), GraphicsUnit.Pixel);
            }
            pictureBox2.Image = outputImage;
            pictureBox2.SizeMode = PictureBoxSizeMode.StretchImage;