Add flipped gradient branch to two point conical gradient

src/effects/gradients/SkGradientShaderPriv.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkGradientShaderPriv_DEFINED
 #define SkGradientShaderPriv_DEFINED
 
@@ skipping 148 matching lines @@
 
     struct Rec {
         SkFixed     fPos;   // 0...1
         uint32_t    fScale; // (1 << 24) / range
     };
     Rec*        fRecs;
 
     const uint16_t*     getCache16() const;
     const SkPMColor*    getCache32() const;
 
-    void commonAsAGradient(GradientInfo*) const;
+    void commonAsAGradient(GradientInfo*, bool flipGrad = false) const;
+    
+    // Flip the Takes in Color info for src which contains count colors at the start

[bsalomon, 2014/04/18 14:31:45]

Flip the Takes?

+    // followed by count Recs (Recs only included if count > 2). It will then flip all the
+    // color information and return in dst.
+    // Assumes space has been already correctly allocated for the dst
+    static void FlipGradientColors(SkColor* colorDst, Rec* recDst,
+                                   SkColor* colorSrc, Rec* recSrc,
+                                   int count);
 
     // V23_COMPATIBILITY_CODE
     // Used for 2-pt conical gradients since we sort start/end cirlces by radius
     // Assumes space has already been allocated for fOrigColors
     void flipGradientColors();
 
 private:
     enum {
         kColorStorageCount = 4, // more than this many colors, and we'll use sk_malloc for the space
 
@@ skipping 208 matching lines @@
     GrGLUniformManager::UniformHandle fColorStartUni;
     GrGLUniformManager::UniformHandle fColorMidUni;
     GrGLUniformManager::UniformHandle fColorEndUni;
 
     typedef GrGLEffect INHERITED;
 };
 
 #endif
 
 #endif