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radial_gradient_contents.h
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1// Copyright 2013 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef FLUTTER_IMPELLER_ENTITY_CONTENTS_RADIAL_GRADIENT_CONTENTS_H_
6#define FLUTTER_IMPELLER_ENTITY_CONTENTS_RADIAL_GRADIENT_CONTENTS_H_
7
8#include <vector>
9
14
15namespace impeller {
16
18 public:
20
22
23 // |Contents|
24 bool IsOpaque() const override;
25
26 // |Contents|
27 bool Render(const ContentContext& renderer,
28 const Entity& entity,
29 RenderPass& pass) const override;
30
31 // |Contents|
32 [[nodiscard]] bool ApplyColorFilter(
33 const ColorFilterProc& color_filter_proc) override;
34
35 void SetCenterAndRadius(Point center, Scalar radius);
36
37 void SetColors(std::vector<Color> colors);
38
39 void SetStops(std::vector<Scalar> stops);
40
41 const std::vector<Color>& GetColors() const;
42
43 const std::vector<Scalar>& GetStops() const;
44
45 void SetTileMode(Entity::TileMode tile_mode);
46
47 private:
48 bool RenderTexture(const ContentContext& renderer,
49 const Entity& entity,
50 RenderPass& pass) const;
51
52 bool RenderSSBO(const ContentContext& renderer,
53 const Entity& entity,
54 RenderPass& pass) const;
55 Point center_;
56 Scalar radius_;
57 std::vector<Color> colors_;
58 std::vector<Scalar> stops_;
59 Entity::TileMode tile_mode_;
60 Color decal_border_color_ = Color::BlackTransparent();
61
63
64 RadialGradientContents& operator=(const RadialGradientContents&) = delete;
65};
66
67} // namespace impeller
68
69#endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_RADIAL_GRADIENT_CONTENTS_H_
std::function< Color(Color)> ColorFilterProc
Definition: contents.h:35
void SetTileMode(Entity::TileMode tile_mode)
bool Render(const ContentContext &renderer, const Entity &entity, RenderPass &pass) const override
void SetCenterAndRadius(Point center, Scalar radius)
bool IsOpaque() const override
Whether this Contents only emits opaque source colors from the fragment stage. This value does not ac...
void SetStops(std::vector< Scalar > stops)
bool ApplyColorFilter(const ColorFilterProc &color_filter_proc) override
If possible, applies a color filter to this contents inputs on the CPU.
void SetColors(std::vector< Color > colors)
const std::vector< Scalar > & GetStops() const
const std::vector< Color > & GetColors() const
Render passes encode render commands directed as one specific render target into an underlying comman...
Definition: render_pass.h:33
PODArray< SkColor > colors
Definition: SkRecords.h:276
float Scalar
Definition: scalar.h:18
static constexpr Color BlackTransparent()
Definition: color.h:272