/** Convert the document to HTML */
 public static void toHTML(
     WordprocessingMLPackage wmlPackage,
     String imageDirPath,
     String imageTargetUri,
     OutputStream outputStream)
     throws Docx4JException {
   HTMLSettings settings = createHTMLSettings();
   settings.setWmlPackage(wmlPackage);
   if (imageDirPath != null) {
     settings.setImageDirPath(imageDirPath);
   }
   if (imageTargetUri != null) {
     settings.setImageTargetUri(imageTargetUri);
   }
   toHTML(settings, outputStream, FLAG_NONE);
 }