afreechart/src/main/java/org/afree/chart/renderer/category/AbstractCategoryItemRenderer.java
/**
     * Draws a background for the data area. The default implementation just
     * gets the plot to draw the background, but some renderers will override
     * this behaviour.
     * 
     * @param canvas
     *            the graphics device.
     * @param plot
     *            the plot.
     * @param dataArea
     *            the data area.
     */
Draws a background for the data area. The default implementation just
gets the plot to draw the background, but some renderers will override
this behaviour.

@param canvas
the graphics device.
@param plot
the plot.
@param dataArea
the data area.
Draws a background for the data area . The default implementation just gets the plot to draw the background but some renderers will override this behaviour . @param canvas the graphics device . @param plot the plot . @param dataArea the data area .
public void drawBackground(Canvas canvas, CategoryPlot plot,
            RectShape dataArea) {
        plot.drawBackground(canvas, dataArea);
    }
public void drawBackground ( Canvas canvas , CategoryPlot plot , RectShape dataArea ) { plot . drawBackground ( canvas , dataArea ) ; }
Draws a background for the data area.
Draws a background for the data area .