* macfont.h (macfont_update_antialias_threshold): Declare.

* macfont.m (macfont_update_antialias_threshold): Remove static.

* nsterm.h (EmacsApp): Add antialiasThresholdDidChange.

* nsterm.m (applicationDidFinishLaunching:): Call
antialiasThresholdDidChange, register for antialias changes.
(antialiasThresholdDidChange:): New method for EmacsApp.

Fixes: debbugs:17534

src/ChangeLog

+2014-07-20  Jan Djärv  <jan.h.d@swipnet.se>
+
+	* nsterm.m (applicationDidFinishLaunching:): Call
+	antialiasThresholdDidChange, register for antialias changes (Bug#17534).
+	(antialiasThresholdDidChange:): New method for EmacsApp.
+
+	* nsterm.h (EmacsApp): Add antialiasThresholdDidChange.
+
+	* macfont.m (macfont_update_antialias_threshold): Remove static.
+
+	* macfont.h (macfont_update_antialias_threshold): Declare.
+
 2014-07-17  Eli Zaretskii  <eliz@gnu.org>
 
 	* w32select.c (setup_windows_coding_system): Apply

src/macfont.h

@@ -144,4 +144,5 @@ typedef const struct _EmacsScreenFont *ScreenFontRef; /* opaque */
 
 extern void mac_register_font_driver (struct frame *f);
 extern void *macfont_get_nsctfont (struct font *font);
+extern void macfont_update_antialias_threshold (void);
 

src/macfont.m

@@ -729,7 +729,7 @@ static void mac_font_get_glyphs_for_variants (CFDataRef, UTF32Char,
 
 static CGFloat macfont_antialias_threshold;
 
-static void
+void
 macfont_update_antialias_threshold (void)
 {
   int threshold;

src/nsterm.h

@@ -111,6 +111,7 @@ typedef float EmacsCGFloat;
 #endif
 }
 - (void)logNotification: (NSNotification *)notification;
+- (void)antialiasThresholdDidChange:(NSNotification *)notification;
 - (void)sendEvent: (NSEvent *)theEvent;
 - (void)showPreferencesWindow: (id)sender;
 - (BOOL) openFile: (NSString *)fileName;

src/nsterm.m

@@ -4668,9 +4668,30 @@ - (void)applicationDidFinishLaunching: (NSNotification *)notification
   ((EmacsApp *)self)->applicationDidFinishLaunchingCalled = YES;
 #endif
   [NSApp setServicesProvider: NSApp];
+
+  [self antialiasThresholdDidChange:nil];
+#ifdef NS_IMPL_COCOA
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+  [[NSNotificationCenter defaultCenter]
+    addObserver:self
+       selector:@selector(antialiasThresholdDidChange:)
+	   name:NSAntialiasThresholdChangedNotification
+	 object:nil];
+#endif
+#endif
+
   ns_send_appdefined (-2);
 }
 
+- (void)antialiasThresholdDidChange:(NSNotification *)notification
+{
+#ifdef NS_IMPL_COCOA
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+  macfont_update_antialias_threshold ();
+#endif
+#endif
+}
+
 
 /* Termination sequences:
     C-x C-c: