code: public int getHeight(String text) {
  
          m_elem.setInnerText(text);
          return CmsDomUtil.getCurrentStyleInt(m_elem, CmsDomUtil.Style.height);
      }
docs: Returns the measured height of the specified text. For multiline text, be
  sure to call {@link #setFixedWidth} if necessary.<p>
  
  @param text the text to be measured
  @return the height in pixels