How to use

MarbleRippleFilterFactory

in

cn.dreampie.captcha.filter.predefined

/**
 * 获取滤镜效果
 *
 * @param captchaFilter
 * @return
 */
private FilterFactory getFilterFactory(CaptchaFilter captchaFilter) {
 FilterFactory filterFactory = null;
 switch (captchaFilter) {
  case Curves:
   filterFactory = new CurvesRippleFilterFactory();
   break;
  case Marble:
   filterFactory = new MarbleRippleFilterFactory();
   break;
  case Double:
   filterFactory = new DoubleRippleFilterFactory();
   break;
  case Wobble:
   filterFactory = new WobbleRippleFilterFactory();
   break;
  case Diffuse:
   filterFactory = new DiffuseRippleFilterFactory();
   break;
 }
 return filterFactory;
}

 break;
case 1:
 configurableCaptchaService.setFilterFactory(new MarbleRippleFilterFactory());
 break;
case 2: