src/java.desktop/share/classes/sun/font/FontUtilities.java

*** 181,190 ****
--- 181,209 ----
      public static Font2D getFont2D(Font font) {
          return FontAccess.getFontAccess().getFont2D(font);
      }
  
      /**
+      * Return true if there any characters which would trigger layout.
+      * This method considers supplementary characters to be simple,
+      * since we do not presently invoke layout on any code points in
+      * outside the BMP.
+      */
+     public static boolean isComplexScript(char [] chs, int start, int limit) {
+ 
+         for (int i = start; i < limit; i++) {
+             if (chs[i] < MIN_LAYOUT_CHARCODE) {
+                 continue;
+             }
+             else if (isComplexCharCode(chs[i])) {
+                 return true;
+             }
+         }
+         return false;
+     }
+ 
+     /**
       * If there is anything in the text which triggers a case
       * where char->glyph does not map 1:1 in straightforward
       * left->right ordering, then this method returns true.
       * Scripts which might require it but are not treated as such
       * due to JDK implementations will not return true.