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