[SkTextBlob] Merge run font data at draw time.

include/core/SkTextBlob.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTextBlob_DEFINED
 #define SkTextBlob_DEFINED
 
@@ skipping 29 matching lines @@
     public:
         RunIterator(const SkTextBlob* blob);
 
         bool done() const;
         void next();
 
         uint32_t glyphCount() const;
         const uint16_t* glyphs() const;
         const SkScalar* pos() const;
         const SkPoint& offset() const;
-        const SkPaint& font() const;
+        void applyFont(SkPaint&) const;

[reed1, 2014/08/21 21:42:15]

Nit:
- mutable arguments (expect ReadBuffer for some reason) are pointers, not refs
- applyToPaint(...)?

[f(malita), 2014/08/21 21:54:05]

Done.

         GlyphPositioning positioning() const;
 
     private:
         const SkTextBlob* fBlob;
         int               fIndex;
     };
 
     // A run is a sequence of glyphs sharing the same font metrics and positioning mode.
     struct Run {
         uint32_t         count;
@@ skipping 109 matching lines @@
     SkTDArray<SkScalar>        fPosBuffer;
     SkTArray<SkTextBlob::Run>* fRuns;
 
     SkRect                     fBounds;
     bool                       fDeferredBounds;
 
     RunBuffer                  fCurrentRunBuffer;
 };
 
 #endif // SkTextBlob_DEFINED