1 2 /* 3 * Copyright 2012 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #ifndef SkRadialGradient_DEFINED 10 #define SkRadialGradient_DEFINED 11 12 #include "SkGradientShaderPriv.h" 13 14 class SkRadialGradient : public SkGradientShaderBase { 15 public: 16 SkRadialGradient(const SkPoint& center, SkScalar radius, const Descriptor&, 17 const SkMatrix* localMatrix); 18 19 virtual size_t contextSize() const SK_OVERRIDE; 20 21 class RadialGradientContext : public SkGradientShaderBase::GradientShaderBaseContext { 22 public: 23 RadialGradientContext(const SkRadialGradient&, const ContextRec&); 24 25 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; 26 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE; 27 28 private: 29 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; 30 }; 31 32 virtual BitmapType asABitmap(SkBitmap* bitmap, 33 SkMatrix* matrix, 34 TileMode* xy) const SK_OVERRIDE; 35 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; 36 virtual bool asNewEffect(GrContext*, const SkPaint&, const SkMatrix*, GrColor*, GrEffectRef**) const SK_OVERRIDE; 37 38 SK_TO_STRING_OVERRIDE() 39 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkRadialGradient) 40 41 protected: 42 SkRadialGradient(SkReadBuffer& buffer); 43 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; 44 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE; 45 46 private: 47 typedef SkGradientShaderBase INHERITED; 48 const SkPoint fCenter; 49 const SkScalar fRadius; 50 }; 51 52 #endif 53