GDK W32: set default settings for fontconfig.

Enables hinting, antialiasing and set the subpixel orientation according to the
active clear type setting. This ensures that font rendering with the fontconfig backend
looks similar to the win32 backend, at least with the default system font.

See !437

gdk/win32/gdkproperty-win32.c

@@ -124,6 +124,42 @@ _gdk_win32_get_setting (const gchar *name,
       g_value_set_boolean (value, TRUE);
       return TRUE;
     }
+  else if (strcmp ("gtk-xft-hinting", name) == 0)
+    {
+      GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : 1\n", name));
+      g_value_set_int (value, 1);
+      return TRUE;
+    }
+  else if (strcmp ("gtk-xft-antialias", name) == 0)
+    {
+      GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : 1\n", name));
+      g_value_set_int (value, 1);
+      return TRUE;
+    }
+  else if (strcmp ("gtk-xft-hintstyle", name) == 0)
+    {
+      g_value_set_static_string (value, "hintfull");
+      GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : %s\n", name, g_value_get_string (value)));
+      return TRUE;
+    }
+  else if (strcmp ("gtk-xft-rgba", name) == 0)
+    {
+      unsigned int orientation = 0;
+      if (SystemParametersInfoW (SPI_GETFONTSMOOTHINGORIENTATION, 0, &orientation, 0))
+        {
+          if (orientation == FE_FONTSMOOTHINGORIENTATIONRGB)
+            g_value_set_static_string (value, "rgb");
+          else if (orientation == FE_FONTSMOOTHINGORIENTATIONBGR)
+            g_value_set_static_string (value, "bgr");
+          else
+            g_value_set_static_string (value, "none");
+        }
+      else
+        g_value_set_static_string (value, "none");
+
+      GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : %s\n", name, g_value_get_string (value)));
+      return TRUE;
+    }
   else if (strcmp ("gtk-font-name", name) == 0)
     {
       NONCLIENTMETRICS ncm;