public void setPadding(float topnbottom, float leftnright) {
		this.paddingTop = topnbottom;
		this.paddingLeft = leftnright;
		this.paddingBottom = topnbottom;
		this.paddingRight = leftnright;
	}
@param topnbottom
           the paddingTop paddingBottom to set
@param leftnright
           the paddingLeft paddingRight to set
src/src/cn/limc/androidcharts/common/Quadrant.java