javagraphic2D矩形文字居中

} else if(rn > 5 && rn <= 10){color = new Color(58,188,52);}else if(rn > 10 && rn <= 20){color = new Color(65,161,212);}else if(rn > 20 && rn <= 30){color = new Color(57,189,221);}else if(rn > 30 && rn <= 50){color = new Color(6,0,254);}else{color = new Color(255,255,255);}or(color);AlphaComposite ac = tance(_OVER, 0.5f); posite(ac);ct(screenXY[0]+1,screenXY[1]+1,recWidth-2,recHeight-2);or();fm = tMetrics();stringWidth = Width(f(rn));

stringAscent = ent();

stringDescent = cent ();

ring(f(rn), screenXY[0]+recWidth/2-stringWidth / 2, screenXY[1]+recHeight/2+ (stringAscent -stringDescent) / 2);}}return forecastGrid;}效果图如下：