1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkGaussianEdgeShader_DEFINED 9 #define SkGaussianEdgeShader_DEFINED 10 11 #include "SkShader.h" 12 13 class SK_API SkGaussianEdgeShader { 14 public: 15 /** Returns a shader that applies a Gaussian blur depending on distance to the edge 16 * Currently this is only useable with Circle and RRect shapes on the GPU backend. 17 * Raster will draw nothing. 18 */ 19 static sk_sp<SkShader> Make(); 20 21 SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP() 22 23 private: 24 SkGaussianEdgeShader(); // can't be instantiated 25 }; 26 27 #endif 28