diff -r 8240eeda4390 javafx-font/src/com/sun/t2k/T2KFontFile.java
--- a/javafx-font/src/com/sun/t2k/T2KFontFile.java	Wed Feb 06 10:28:06 2013 -0500
+++ b/javafx-font/src/com/sun/t2k/T2KFontFile.java	Fri Feb 08 13:59:30 2013 -0800
@@ -690,6 +690,64 @@
                 throw new Exception("Font name not found.");
             }
 
+            System.out.println("font name="+fullName + " " + upem + " ");
+            System.out.println("ascent = " + ascent);
+            System.out.println("descent = " + descent);
+            hhea = readTable(hheaTag);//need to read again cause the inner buffer gets reused
+            int hheaAscent = 0,hheaDescent = 0;
+            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));
+                hheaAscent = hhea.getShort(4);
+                System.out.println("hheaAscent = " + hheaAscent);
+                hheaDescent = hhea.getShort(6);
+                System.out.println("hheaDescent = " + hheaDescent);
+            }
+            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);
+//                if (delta > 0) {
+//                    descent += delta;
+//                } else {
+//                    ascent -= delta;
+//                }
+//                ascent = -(os_2.getShort(68));
+//                descent = -(os_2.getShort(70));
+
+                float os2TypoAscender = os_2.getShort(68);
+                System.out.println("os2TypoAscender = " + os2TypoAscender);
+                float os2CapHeight = os_2.getShort(88);
+                System.out.println("os2CapHeight = " + os2CapHeight);
+                if (os2CapHeight == 0) os2CapHeight = os2TypoAscender;
+                System.out.println("os2CapHeight = " + os2CapHeight);
+
+                float topPadding = hheaAscent - os2CapHeight;
+                System.out.println("topPadding = (hheaAscent - os2CapHeight) = " + topPadding);
+                if (topPadding > hheaDescent) {
+                    descent = topPadding;
+                } else {
+                    ascent += (topPadding - hheaDescent);
+                }
+
+                System.out.println("ascent = " + ascent);
+                System.out.println("descent = " + descent);
+            }
+
             /* update the font resource only if the file was decoded
              * and initialized successfully.
              */