Move distance field generation to the glyph cache

src/core/SkGlyphCache.h

 
 /*
  * 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.
  */
 
 
 #ifndef SkGlyphCache_DEFINED
@@ skipping 74 matching lines @@
 #endif
 
     /** Return the image associated with the glyph. If it has not been generated
         this will trigger that.
     */
     const void* findImage(const SkGlyph&);
     /** Return the Path associated with the glyph. If it has not been generated
         this will trigger that.
     */
     const SkPath* findPath(const SkGlyph&);
+    /** Return the distance field associated with the glyph. If it has not been generated
+     this will trigger that.
+     */
+    const void* findDistanceField(const SkGlyph&);
 
     /** Return the vertical metrics for this strike.
     */
     const SkPaint::FontMetrics& getFontMetrics() const {
         return fFontMetrics;
     }
 
     const SkDescriptor& getDescriptor() const { return *fDesc; }
 
     SkMask::Format getMaskFormat() const {
@@ skipping 162 matching lines @@
     }
 
 private:
     SkGlyphCache*   fCache;
 
     static bool DetachProc(const SkGlyphCache*, void*);
 };
 #define SkAutoGlyphCache(...) SK_REQUIRE_LOCAL_VAR(SkAutoGlyphCache)
 
 #endif