public void putPoint(Point pt, int thickness, Color col) {
            int x = (int)pt.X;
            int y = (int)pt.Y;
            if (thickness % 2 == 0)
                thickness -= 1;
            if (thickness < 1)
                thickness = 1;

            for (int i = 0; i <= thickness / 2; i++) {
                for (int j = (thickness / 2) - i; j >= 0; j--) {
                    if (thickness < 4 || (j != (thickness / 2) && i != (thickness / 2))) {
                        if (x + i < Operative.PixelWidth && x + i >= 0) {
                            if (y + j < Operative.PixelHeight && y + j >= 0)
                                Operative.SetPixel(x + i, y + j, col);
                            if (j != 0 && y - j < Operative.PixelHeight && y - j >= 0)
                                Operative.SetPixel(x + i, y - j, col);
                        }
                    }
                    if (!(thickness > 3 && i == (thickness / 2))) {
                        if (i != 0 && x - i < Operative.PixelWidth && x - i >= 0) {
                            if (y + j < Operative.PixelHeight && y + j >= 0)
                                Operative.SetPixel(x - i, y + j, col);
                            if (j != 0 && y - j < Operative.PixelHeight && y - j >= 0)
                                Operative.SetPixel(x - i, y - j, col);
                        }
                    }
                }
            }
        }