| /* |
| * 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 "include/core/SkFlattenable.h" |
| #include "include/core/SkPoint.h" |
| #include "src/shaders/gradients/SkGradientBaseShader.h" |
| |
| class SkArenaAlloc; |
| class SkMatrix; |
| class SkRasterPipeline; |
| class SkReadBuffer; |
| class SkWriteBuffer; |
| |
| class SkLinearGradient final : public SkGradientBaseShader { |
| public: |
| SkLinearGradient(const SkPoint pts[2], const Descriptor&); |
| |
| GradientType asGradient(GradientInfo* info, SkMatrix* localMatrix) const override; |
| |
| const SkPoint& start() const { return fStart; } |
| const SkPoint& end() const { return fEnd; } |
| protected: |
| SkLinearGradient(SkReadBuffer& buffer); |
| void flatten(SkWriteBuffer& buffer) const override; |
| |
| void appendGradientStages(SkArenaAlloc* alloc, SkRasterPipeline* tPipeline, |
| SkRasterPipeline* postPipeline) const final; |
| |
| private: |
| friend void ::SkRegisterLinearGradientShaderFlattenable(); |
| SK_FLATTENABLE_HOOKS(SkLinearGradient) |
| |
| class LinearGradient4fContext; |
| |
| friend class SkGradientShader; |
| using INHERITED = SkGradientBaseShader; |
| const SkPoint fStart; |
| const SkPoint fEnd; |
| }; |
| |
| #endif |