Add a flag indicating locally-created fonts to SkCreateTypefaceFromCTFont

src/ports/SkFontHost_mac.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifdef SK_BUILD_FOR_MAC
 #import <ApplicationServices/ApplicationServices.h>
@@ skipping 557 matching lines @@
 
 /*  This function is visible on the outside. It first searches the cache, and if
  *  not found, returns a new entry (after adding it to the cache).
  */
 SkTypeface* SkCreateTypefaceFromCTFont(CTFontRef fontRef) {
     SkFontID fontID = CTFontRef_to_SkFontID(fontRef);
     SkTypeface* face = SkTypefaceCache::FindByID(fontID);
     if (face) {
         face->ref();
     } else {
-        face = NewFromFontRef(fontRef, NULL, false);
+        bool isLocal = false;
+        AutoCFRelease<CTFontDescriptorRef> fontDescriptor(CTFontCopyFontDescriptor(fontRef));
+        AutoCFRelease<CFTypeRef> priority(CTFontDescriptorCopyAttribute(fontDescriptor, kCTFontPriorityAttribute));

[reed1, 2014/10/29 15:36:33]

nit: 100cols

+        if (CFGetTypeID(priority) == CFNumberGetTypeID()) {
+            uint32_t priorityValue;
+            isLocal = CFNumberGetValue(reinterpret_cast<CFNumberRef>(priority.get()), kCFNumberSInt32Type, &priorityValue) && priorityValue >= kCTFontPriorityProcess;
+        }
+        face = NewFromFontRef(fontRef, NULL, isLocal);
         SkTypefaceCache::Add(face, face->fontStyle());
         // NewFromFontRef doesn't retain the parameter, but the typeface it
         // creates does release it in its destructor, so we balance that with
         // a retain call here.
         CFRetain(fontRef);
     }
     SkASSERT(face->getRefCnt() > 1);
     return face;
 }
 
@@ skipping 1666 matching lines @@
         }
         return face;
     }
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkFontMgr* SkFontMgr::Factory() {
     return SkNEW(SkFontMgr_Mac);
 }