public int getLineHeight(int offset) {
public int getLineHeight() {
public int getLineHeight(int offset) {	checkWidget();	if (!(0 <= offset && offset <= content.getCharCount())) {		SWT.error(SWT.ERROR_INVALID_RANGE);	}	if (isFixedLineHeight()) {		return renderer.getLineHeight();	}	int lineIndex = content.getLineAtOffset(offset);	int lineOffset = content.getOffsetAtLine(lineIndex);	TextLayout layout = renderer.getTextLayout(lineIndex);	int lineInParagraph = layout.getLineIndex(Math.min(offset - lineOffset, layout.getText().length()));	int height = layout.getLineBounds(lineInParagraph).height;	renderer.disposeTextLayout(layout);	return height;}