After compiling this above JRXML template and filling the resulting Jasper template,
we should obtain a report like the following:
Notice how the background text appears to be behind the text in the <band>
sub-element of the <detail> element.
It is common to set an image as a report background, usually a
company logo set as a watermark. In the next chapter, we will
cover how to add images to a report. The techniques explained
there can be used to add an image as a report background.