* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();