styles = filterLineStyles(event.styles);
styles = renderer.filterLineStyles(event.styles);
	int contentWidth(String line, int lineOffset, GC gc, FontData currentFont) {		int width;				if (isBidi()) {			StyledTextBidi bidi = getStyledTextBidi(line, lineOffset, gc);			width = bidi.getTextWidth();		}		else {			StyledTextEvent event = getLineStyleData(lineOffset, line);			StyleRange[] styles = null;			if (event != null) {				styles = filterLineStyles(event.styles);			}			width = textWidth(line, lineOffset, 0, line.length(), styles, 0, gc, currentFont);		}		return width;	}