Initial conic-gradient() implementation

third_party/WebKit/Source/platform/graphics/Gradient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 33 matching lines @@
 class SkShader;
 
 namespace blink {
 
 class FloatPoint;
 
 class PLATFORM_EXPORT Gradient : public RefCounted<Gradient> {
   WTF_MAKE_NONCOPYABLE(Gradient);
 
  public:
-  enum class Type { Linear, Radial };
+  enum class Type { Linear, Radial, Conic };
 
   enum class ColorInterpolation {
     Premultiplied,
     Unpremultiplied,
   };
 
   static PassRefPtr<Gradient> createLinear(
       const FloatPoint& p0,
       const FloatPoint& p1,
       GradientSpreadMethod = SpreadMethodPad,
       ColorInterpolation = ColorInterpolation::Unpremultiplied);
 
   static PassRefPtr<Gradient> createRadial(
       const FloatPoint& p0,
       float r0,
       const FloatPoint& p1,
       float r1,
       float aspectRatio = 1,
       GradientSpreadMethod = SpreadMethodPad,
       ColorInterpolation = ColorInterpolation::Unpremultiplied);
 
+  static PassRefPtr<Gradient> createConic(
+      const FloatPoint& position,
+      float angle,
+      GradientSpreadMethod = SpreadMethodPad,
+      ColorInterpolation = ColorInterpolation::Unpremultiplied);
+
   virtual ~Gradient();
 
   Type getType() const { return m_type; }
 
   struct ColorStop {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
     float stop;
     Color color;
 
     ColorStop(float s, const Color& c) : stop(s), color(c) {}
@@ skipping 29 matching lines @@
 
   Vector<ColorStop, 2> m_stops;
   bool m_stopsSorted;
 
   mutable sk_sp<PaintShader> m_cachedShader;
 };
 
 }  // namespace blink
 
 #endif