@Override
	public double getArea(PortablePixmap pixmap) {
		
		double absoluteOuterRadius = outerRadius * pixmap.getWidth();
		double absoluteInnerRadius = innerRadius * pixmap.getWidth();
		double areaOuterCircle = Math.PI * Math.pow(absoluteOuterRadius,2);
		double areaInnerCircle = Math.PI * Math.pow(absoluteInnerRadius,2);
		double area = areaOuterCircle - areaInnerCircle;
		return area;
	}