check-point for linux fontmgr impl

trunk/include/ports/SkFontConfigInterface.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkFontConfigInterface_DEFINED
 #define SkFontConfigInterface_DEFINED
 
@@ skipping 31 matching lines @@
      *  to be a union of possible storage types to aid the impl.
      */
     struct FontIdentity {
         FontIdentity() : fID(0), fTTCIndex(0) {}
 
         bool operator==(const FontIdentity& other) const {
             return fID == other.fID &&
                    fTTCIndex == other.fTTCIndex &&
                    fString == other.fString;
         }
+        bool operator!=(const FontIdentity& other) const {
+            return !(*this == other);
+        }
 
         uint32_t    fID;
         int32_t     fTTCIndex;
         SkString    fString;
         SkFontStyle fStyle;
+        
+        // If buffer is NULL, just return the number of bytes that would have
+        // been written. Will pad contents to a multiple of 4.
+        size_t writeToMemory(void* buffer = NULL) const;
+        
+        // Recreate from a flattened buffer, returning the number of bytes read.
+        size_t readFromMemory(const void* buffer, size_t length);
     };
 
     /**
      *  Given a familyName and style, find the best match.
      *
      *  If a match is found, return true and set its outFontIdentifier.
      *      If outFamilyName is not null, assign the found familyName to it
      *          (which may differ from the requested familyName).
      *      If outStyle is not null, assign the found style to it
      *          (which may differ from the requested style).
@@ skipping 23 matching lines @@
 
     virtual SkDataTable* getFamilyNames() { return SkDataTable::NewEmpty(); }
     virtual bool matchFamilySet(const char inFamilyName[],
                                 SkString* outFamilyName,
                                 SkTArray<FontIdentity>*) {
         return false;
     }
 };
 
 #endif