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 "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 
22 protected:
23     SkRadialGradient(SkReadBuffer& buffer);
24     void flatten(SkWriteBuffer& buffer) const override;
25     sk_sp<SkShader> onMakeColorSpace(SkColorSpaceXformer* xformer) const override;
26 
27     void appendGradientStages(SkArenaAlloc* alloc, SkRasterPipeline* tPipeline,
28                               SkRasterPipeline* postPipeline) const override;
29 
30 private:
31     SK_FLATTENABLE_HOOKS(SkRadialGradient)
32 
33     const SkPoint fCenter;
34     const SkScalar fRadius;
35 
36     friend class SkGradientShader;
37     typedef SkGradientShaderBase INHERITED;
38 };
39 
40 #endif
41