event = getLineBackgroundData(lineOffset, line);
event = renderer.getLineBackgroundData(lineOffset, line);
	public void writeLine(String line, int lineOffset) {		StyleRange[] styles = new StyleRange[0];		Color lineBackground = null;		StyledTextEvent event;				if (isClosed()) {			SWT.error(SWT.ERROR_IO);		}		event = getLineStyleData(lineOffset, line);		if (event != null) {			styles = event.styles;		}		event = getLineBackgroundData(lineOffset, line);		if (event != null) {			lineBackground = event.lineBackground;		}		if (lineBackground == null) {			lineBackground = getBackground();		}		writeStyledLine(line, lineOffset, styles, lineBackground);	}