afreechart/src/main/java/org/afree/chart/plot/Plot.java
/**
     * Draws the plot background (the background color and/or image).
     * <P>
     * This method will be called during the chart drawing process and is
     * declared public so that it can be accessed by the renderers used by
     * certain subclasses. You shouldn't need to call this method directly.
     * 
     * @param canvas
     *            the graphics device.
     * @param area
     *            the area within which the plot should be drawn.
     */
Draws the plot background (the background color and/or image).

This method will be called during the chart drawing process and is
declared public so that it can be accessed by the renderers used by
certain subclasses. You shouldn't need to call this method directly.

@param canvas
the graphics device.
@param area
the area within which the plot should be drawn.
Draws the plot background ( the background color and / or image ) . This method will be called during the chart drawing process and is declared public so that it can be accessed by the renderers used by certain subclasses . You shouldn ' t need to call this method directly . @param canvas the graphics device . @param area the area within which the plot should be drawn .
public void drawBackground(Canvas canvas, RectShape area) {
        fillBackground(canvas, area);
        drawBackgroundImage(canvas, area);
    }
public void drawBackground ( Canvas canvas , RectShape area ) { fillBackground ( canvas , area ) ; drawBackgroundImage ( canvas , area ) ; }
Draws the plot background (the background color and/or image).
Draws the plot background ( the background color and / or image ) .
// some subclasses override this method completely, so don't put // anything here that *must* be done