/2, yPos-Point.DIAMETER/2,
//Point.DIAMETER, Point.DIAMETER);...//g.drawImage(shadows, xPos-Point.DIAMETER/2, yPos-Point.DIAMETER/2, Point.DIAMETER, Point.DIAMETER,.../2+25, yPos-Point.DIAMETER/2+10, 20, new float[]{0f, 1f}
, new Color[]{Color.WHITE,.../2+25, yPos-Point.DIAMETER/2+10, 70, new float[]{0f, 1f}
, new Color[]{Color.WHITE,.../2, yPos-Point.DIAMETER/2, 34, 35);
//根据指定坐标构造和初始化 Ellipse2D。