This method is called when a line is about to be drawn in order to get its background color. <p> The following event fields are used:<ul> <li>event.lineOffset line start offset (input)</li> <li>event.lineText line text (input)</li> <li>event.lineBackground line background color (output)</li> </ul>
Classes which implement this interface provide a method that can provide the background color for a line that is to be drawn.
@see LineBackgroundEvent @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>