diff -r 77bd78b748cd javafx-font/src/com/sun/t2k/T2KFontFile.java
--- a/javafx-font/src/com/sun/t2k/T2KFontFile.java	Fri Jan 18 14:52:07 2013 -0500
+++ b/javafx-font/src/com/sun/t2k/T2KFontFile.java	Fri Jan 18 15:05:22 2013 -0800
@@ -690,6 +690,34 @@
                 throw new Exception("Font name not found.");
             }
 
+
+            System.out.println("font name="+fullName + " " + upem + " ");
+            hhea = readTable(hheaTag);//need to read again cause the inner buffer gets reused
+            if (hhea != null) {
+                System.out.println("hhea ascent=" + (hhea.getShort(4)));
+                System.out.println("hhea descent=" + hhea.getShort(6));
+                System.out.println("hhea linegap=" + hhea.getShort(8));
+            }
+            Buffer os_2 = readTable(os_2Tag);
+            if (os_2 != null && os_2.capacity() >= 88) {
+                System.out.println("os_2 TypoAscender=" + (os_2.getShort(68)));
+                System.out.println("os_2 TypoDescender=" + (os_2.getShort(70)));
+                System.out.println("os_2 TypoLineGap=" + os_2.getShort(72));
+                System.out.println("os_2 WinAscent=" + os_2.getShort(74));
+                System.out.println("os_2 WinDescent=" + os_2.getShort(76));
+                System.out.println("os_2 xHeight=" + os_2.getShort(86));
+                System.out.println("os_2 CapHeight=" + os_2.getShort(88));
+
+//                ascent = -(float)os_2.getShort(68);
+//                descent = -(float)os_2.getShort(70);
+//                linegap = (float)os_2.getShort(72);
+                float deltaA = (float)hhea.getShort(4) - (float)os_2.getShort(68);  //positives
+                float deltaD = (float)hhea.getShort(6) - (float)os_2.getShort(70);  //negatives
+                float delta = (deltaA + deltaD) / 2;
+                System.out.println("adding delta of " + delta);
+                descent += delta;
+            }
+
             /* update the font resource only if the file was decoded
              * and initialized successfully.
              */