code: public String getScaleOptions(CmsObject cms) {
  
          if (m_scaleOptions == null) {
              if (m_element.element(NODE_SCALE) != null) {
                  m_scaleOptions = m_element.element(NODE_SCALE).getText();
              }
              if (CmsStringUtil.isEmptyOrWhitespaceOnly(m_scaleOptions)) {
                  m_scaleOptions = getParameterValue(cms, CmsImageScaler.PARAM_SCALE);
              }
          }
          return m_scaleOptions;
      }
docs: Returns the scale options of the image.<p>
  
  @param cms the current users context
  @return the scale options of the image or an empty String