8031462: Fonts with morx tables are broken with latest ICU fixes

Reviewed-by: bae, vadim

src/share/native/sun/font/layout/LigatureSubstProc2.cpp

@@ -95,7 +95,7 @@ le_uint16 LigatureSubstitutionProcessor2::processStateEntry(LEGlyphStorage &glyp
 
     if (actionOffset != 0) {
         LEReferenceTo<LigatureActionEntry> ap(stHeader, success, ligActionOffset); // byte offset
-        ap.addObject(ligActionIndex - 1, success);  // index offset ( one before the actual start, because we will pre-increment)
+        ap.addObject(ligActionIndex, success);
         LEReferenceToArrayOf<TTGlyphID> ligatureTable(stHeader, success, ligatureOffset, LE_UNBOUNDED_ARRAY);
         LigatureActionEntry action;
         le_int32 offset, i = 0;
@@ -111,7 +111,6 @@ le_uint16 LigatureSubstitutionProcessor2::processStateEntry(LEGlyphStorage &glyp
         do {
             le_uint32 componentGlyph = componentStack[m--]; // pop off
 
-            ap.addObject(success);
             action = SWAPL(*ap.getAlias());
 
             if (m < 0) {
@@ -145,7 +144,8 @@ le_uint16 LigatureSubstitutionProcessor2::processStateEntry(LEGlyphStorage &glyp
               LE_DEBUG_BAD_FONT("m<0")
             }
 #endif
-        } while (!(action & lafLast) && (m>=0) ); // stop if last bit is set, or if run out of items
+            ap.addObject(success);
+        } while (LE_SUCCESS(success) && !(action & lafLast) && (m>=0) ); // stop if last bit is set, or if run out of items
 
         while (mm >= 0) {
             if (++m >= nComponents) {

test/java/awt/font/TextLayout/TestAATMorxFont.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/* @test
+ * @summary verify rendering of MORX fonts on OS X.
+ * @bug 8031462
+ */
+
+import javax.swing.*;
+import javax.swing.border.LineBorder;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+
+public class TestAATMorxFont extends JComponent {
+    public static void main(String[] args) {
+        String osName = System.getProperty("os.name");
+        System.out.println("OS is " + osName);
+        osName = osName.toLowerCase();
+        if (!osName.startsWith("mac")) {
+            return;
+        }
+        SwingUtilities.invokeLater(new Runnable() {
+            public void run() {
+                JFrame frame = new JFrame("Test Morx");
+                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                TestAATMorxFont  panel = new TestAATMorxFont();
+                frame.add(panel);
+                frame.pack();
+                frame.setVisible(true);
+            }
+        });
+    }
+
+    public Dimension getPreferredSize() {
+        return new Dimension(1200, 400);
+    }
+
+    public void paintComponent(Graphics g) {
+        Graphics2D g2d = (Graphics2D)g;
+        g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
+                             RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        int y = 50;
+        g.setFont(new Font("Gujarati MT", Font.PLAIN, 40));
+        System.out.println(g.getFont());
+        g.drawString("\u0A95\u0ACD \u0A95\u0A95\u0A95 \u0A95\u0ACD\u0A95\u0ACD\u0A95", 20, y);
+        y += 50;
+        g.setFont(new Font("Tamil Sangam MN", Font.PLAIN, 40));
+        System.out.println(g.getFont());
+        g.drawString("\u0b95\u0bCD \u0b95\u0b95\u0b95 \u0b95\u0bCD\u0b95\u0bCD\u0b95", 20, y);
+        y += 50;
+        g.setFont(new Font("Telugu Sangam MN", Font.PLAIN, 40));
+        System.out.println(g.getFont());
+        g.drawString("\u0c15\u0c4D \u0c15\u0c15\u0c15 \u0c15\u0c4D\u0c15\u0c4D\u0c15", 20, y);
+        y += 50;
+        g.setFont(new Font("Devanagari Sangam MN", Font.PLAIN, 40));
+        System.out.println(g.getFont());
+        g.drawString("\u0915\u0940 \u0915\u0947 \u0915\u0942", 20, y);
+        y += 50;
+        g.drawString("\u0907\u0930\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915", 20, y);
+        y += 50;
+        g.drawString("\u0930\u093F\u0935\u094D\u092F\u0942 \u0915\u0947 \u092C\u093E\u0926 \u0935\u093F\u0915\u093E\u0938 \u0913\u0932\u0902\u092A\u093F\u0915 \u0938\u0947 \u092C\u093E\u0939\u0930 (\u0926\u0947\u0935\u0928\u093E\u0917\u0930\u0940) (\u0939\u093F\u0928\u094D\u0926\u0940) \u0907\u0930\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915\u094D\u0915", 20, y);
+
+    }
+}
+