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
13class SkRadialGradient final : public SkGradientShaderBase {
14public:
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
22protected:
23 SkRadialGradient(SkReadBuffer& buffer);
24 void flatten(SkWriteBuffer& buffer) const override;
25
26 void appendGradientStages(SkArenaAlloc* alloc, SkRasterPipeline* tPipeline,
27 SkRasterPipeline* postPipeline) const override;
28
29 skvm::F32 transformT(skvm::Builder*, skvm::Uniforms*,
30 skvm::F32 x, skvm::F32 y, skvm::I32* mask) const final;
31
32private:
33 SK_FLATTENABLE_HOOKS(SkRadialGradient)
34
35 const SkPoint fCenter;
36 const SkScalar fRadius;
37
38 friend class SkGradientShader;
39 typedef SkGradientShaderBase INHERITED;
40};
41
42#endif
43