docs: private void calculateCropping(CmsPositionBean position) {
  
          m_croppingParam.setCropHeight((int)Math.round(m_heightRatio * position.getHeight()));
          m_croppingParam.setCropWidth((int)Math.round(m_widthRatio * position.getWidth()));
          m_croppingParam.setCropY((int)Math.round(m_heightRatio * position.getTop()));
          m_croppingParam.setCropX((int)Math.round(m_widthRatio * position.getLeft()));
      }