src/java.desktop/macosx/classes/sun/font/CFontManager.java

@@ -250,26 +250,63 @@
 
     void registerFont(String fontName, String fontFamilyName) {
         final CFont font = new CFont(fontName, fontFamilyName);
 
         registerGenericFont(font);
+    }
 
-        if ((font.getStyle() & Font.ITALIC) == 0) {
-            registerGenericFont(font.createItalicVariant(), true);
+    void registerItalicDerived() {
+        FontFamily[] famArr = FontFamily.getAllFontFamilies();
+        for (int i=0; i<famArr.length; i++) {
+            FontFamily family = famArr[i];
+
+            Font2D f2dPlain = family.getFont(Font.PLAIN);
+            if (f2dPlain != null && !(f2dPlain instanceof CFont)) continue;
+            Font2D f2dBold = family.getFont(Font.BOLD);
+            if (f2dBold != null && !(f2dBold instanceof CFont)) continue;
+            Font2D f2dItalic = family.getFont(Font.ITALIC);
+            if (f2dItalic != null && !(f2dItalic instanceof CFont)) continue;
+            Font2D f2dBoldItalic = family.getFont(Font.BOLD|Font.ITALIC);
+            if (f2dBoldItalic != null && !(f2dBoldItalic instanceof CFont)) continue;
+
+            CFont plain = (CFont)f2dPlain;
+            CFont bold = (CFont)f2dBold;
+            CFont italic = (CFont)f2dItalic;
+            CFont boldItalic = (CFont)f2dBoldItalic;
+
+            if (bold == null) bold = plain;
+            if (plain == null && bold == null) continue;
+            if (italic != null && boldItalic != null) continue;
+            if (plain != null && italic == null) {
+               registerGenericFont(plain.createItalicVariant(), true);
+               CFont f = plain.createItalicVariant();
+               registerGenericFont(f, true);
+            }
+            if (bold != null && boldItalic == null) {
+               registerGenericFont(bold.createItalicVariant(), true);
+               CFont f = bold.createItalicVariant();
+               registerGenericFont(f, true);
+            }
         }
     }
 
     Object waitForFontsToBeLoaded  = new Object();
+    private boolean loadedAllFonts = false;
+
     public void loadFonts()
     {
         synchronized(waitForFontsToBeLoaded)
         {
             super.loadFonts();
             java.security.AccessController.doPrivileged(
                 new java.security.PrivilegedAction<Object>() {
                     public Object run() {
+                        if (!loadedAllFonts) {
                         loadNativeFonts();
+                           registerItalicDerived();
+                           loadedAllFonts = true;
+                        }
                         return null;
                     }
                 }
             );