code: public CmsImageScaler getCropScaler(CmsImageScaler target) {
  
          // first re-scale the image (if required)
          CmsImageScaler result = getReScaler(target);
          // now use the crop area from the original
          result.setCropArea(m_cropX, m_cropY, m_cropWidth, m_cropHeight);
          return result;
      }
docs: Returns a new image scaler that is a cropped rescaler from <code>this</code> cropped scaler
  size to the given target scaler size.<p>
  
  @param target the image scaler that holds the target image dimensions
  
  @return a new image scaler that is a cropped rescaler from <code>this</code> cropped scaler
  size to the given target scaler size
  
  @see #getReScaler(CmsImageScaler)
  @see #setCropArea(int, int, int, int)