def setFontUnderline(self, doUnderline):
        self._mFontUnderline = doUnderline
        self._mFont.set_underline(doUnderline)
        return None
This method sets and unsets the current font to be underlined
dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/DrawingLayer.py/DrawingLayer.setFontUnderline