/**
         * 图形绘制反走样设置.
         *
         * @param g2 the g2
         * @param antiAliasing 是否反走样
         */
        public static void setAntiAliasing(Graphics2D g2 ,boolean antiAliasing)
        {
                if(antiAliasing)
                        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING
                                        , RenderingHints.VALUE_ANTIALIAS_ON);
                else
                        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING
                                        , RenderingHints.VALUE_ANTIALIAS_OFF);
        }

public static void fillTextureRoundRec(Graphics2D g2,Color baseColor
                    ,int x,int y,int w,int h,int arc,int colorDelta)
{
        setAntiAliasing(g2, true);
        //矩形填充
        Paint oldpaint = g2.getPaint();
        GradientPaint gp = new GradientPaint(x, y
                      //渐变的起色比止色RGB浅35
                     ,getColor(baseColor, colorDelta, colorDelta, colorDelta),x, y+h,baseColor);
        g2.setPaint(gp);
        g2.fillRoundRect(x, y, w, h,arc,arc);
        g2.setPaint(oldpaint);
        setAntiAliasing(g2, false);
}