| /* |
| * 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 SkLinearGradient_DEFINED |
| #define SkLinearGradient_DEFINED |
| |
| #include "SkGradientShaderPriv.h" |
| |
| class SkLinearGradient : public SkGradientShaderBase { |
| public: |
| SkLinearGradient(const SkPoint pts[2], const Descriptor&, const SkMatrix* localMatrix); |
| |
| virtual SkShader::Context* createContext(const ContextRec&, void* storage) const SK_OVERRIDE; |
| virtual size_t contextSize() const SK_OVERRIDE; |
| |
| class LinearGradientContext : public SkGradientShaderBase::GradientShaderBaseContext { |
| public: |
| LinearGradientContext(const SkLinearGradient&, const ContextRec&); |
| ~LinearGradientContext() {} |
| |
| virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; |
| virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE; |
| |
| private: |
| typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; |
| }; |
| |
| virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERRIDE; |
| virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; |
| virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const SK_OVERRIDE; |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLinearGradient) |
| |
| protected: |
| SkLinearGradient(SkReadBuffer& buffer); |
| virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; |
| |
| private: |
| typedef SkGradientShaderBase INHERITED; |
| const SkPoint fStart; |
| const SkPoint fEnd; |
| }; |
| |
| #endif |