SkCanvas::drawPatch param SkPoint[12]

src/utils/SkPatchUtils.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 SkPatchUtils_DEFINED
 #define SkPatchUtils_DEFINED
 
 #include "SkPatch.h"
 #include "SkMatrix.h"
 
 class SK_API SkPatchUtils {
 
 public:
     /**
      * Method that calculates a level of detail (number of subdivisions) for a patch in both axis. 
      */
-    static SkISize GetLevelOfDetail(const SkPatch& patch, const SkMatrix* matrix);
+    static SkISize GetLevelOfDetail(const SkPoint cubics[12], const SkMatrix* matrix);
+    static void getTopCubic(const SkPoint cubics[12], SkPoint points[4]);
+    static void getBottomCubic(const SkPoint cubics[12], SkPoint points[4]);
+    static void getLeftCubic(const SkPoint cubics[12], SkPoint points[4]);
+    static void getRightCubic(const SkPoint cubics[12], SkPoint points[4]);
+    static bool getVertexData(SkPatch::VertexData* data, const SkPoint cubics[12],
+                              const SkColor colors[4], const SkPoint texCoords[4],
+                              int lodX, int lodY);
 };
 
 #endif