1 /* 2 * Copyright 2012 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 SkRadialGradient_DEFINED 9 #define SkRadialGradient_DEFINED 10 11 #include "src/shaders/gradients/SkGradientShaderPriv.h" 12 13 class SkRadialGradient final : public SkGradientShaderBase { 14 public: 15 SkRadialGradient(const SkPoint& center, SkScalar radius, const Descriptor&); 16 17 GradientType asAGradient(GradientInfo* info) const override; 18 #if SK_SUPPORT_GPU 19 std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&) const override; 20 #endif 21 void addToKey(SkShaderCodeDictionary*, 22 SkBackend, 23 SkPaintParamsKeyBuilder*, 24 SkUniformBlock*) const override; 25 26 protected: 27 SkRadialGradient(SkReadBuffer& buffer); 28 void flatten(SkWriteBuffer& buffer) const override; 29 30 void appendGradientStages(SkArenaAlloc* alloc, SkRasterPipeline* tPipeline, 31 SkRasterPipeline* postPipeline) const override; 32 33 skvm::F32 transformT(skvm::Builder*, skvm::Uniforms*, 34 skvm::Coord coord, skvm::I32* mask) const final; 35 36 private: 37 SK_FLATTENABLE_HOOKS(SkRadialGradient) 38 39 const SkPoint fCenter; 40 const SkScalar fRadius; 41 42 friend class SkGradientShader; 43 using INHERITED = SkGradientShaderBase; 44 }; 45 46 #endif 47