Use per-typeface sets of glyphs for nvpr text

src/gpu/GrPathRendering.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 GrPathRendering_DEFINED
 #define GrPathRendering_DEFINED
 
 #include "SkPath.h"
+#include "GrPathRange.h"
 
 class SkStrokeRec;
+class SkDescriptor;
+class SkTypeface;
 class GrPath;
-class GrPathRange;
 class GrGpu;
 
 /**
  * Abstract class wrapping HW path rendering API.
  *
  * The subclasses of this class use the possible HW API to render paths (as opposed to path
  * rendering implemented in Skia on top of a "3d" HW API).
  * The subclasses hold the global state needed to render paths, including shadow of the global HW
  * API state. Similar to GrGpu.
  *
@@ skipping 27 matching lines @@
             case kAffine_PathTransformType:
                 return 6;
 
             default:
                 SkFAIL("Unknown path transform type");
                 return 0;
         }
     }
 
     virtual GrPath* createPath(const SkPath&, const SkStrokeRec&) = 0;
-    virtual GrPathRange* createPathRange(size_t size, const SkStrokeRec&) = 0;
+    virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*, const SkStrokeRec&) = 0;
+    virtual GrPathRange* createGlyphs(const SkTypeface*, const SkDescriptor*, const SkStrokeRec&) = 0;
     virtual void stencilPath(const GrPath*, SkPath::FillType) = 0;
     virtual void drawPath(const GrPath*, SkPath::FillType) = 0;
     virtual void drawPaths(const GrPathRange*, const uint32_t indices[], int count,
                            const float transforms[], PathTransformType, SkPath::FillType) = 0;
 protected:
     GrPathRendering() { }
 
 private:
     GrPathRendering& operator=(const GrPathRendering&);
 };
 
 #endif