Flutter Impeller
solid_color_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_SOLID_COLOR_CONTENTS_H_
6 #define FLUTTER_IMPELLER_ENTITY_CONTENTS_SOLID_COLOR_CONTENTS_H_
7 
11 
12 namespace impeller {
13 
15  public:
17 
18  ~SolidColorContents() override;
19 
20  void SetColor(Color color);
21 
22  Color GetColor() const;
23 
24  // |ColorSourceContents|
25  bool IsSolidColor() const override;
26 
27  // |Contents|
28  bool IsOpaque(const Matrix& transform) const override;
29 
30  // |Contents|
31  std::optional<Rect> GetCoverage(const Entity& entity) const override;
32 
33  // |Contents|
34  bool Render(const ContentContext& renderer,
35  const Entity& entity,
36  RenderPass& pass) const override;
37 
38  std::optional<Color> AsBackgroundColor(const Entity& entity,
39  ISize target_size) const override;
40 
41  // |Contents|
42  [[nodiscard]] bool ApplyColorFilter(
43  const ColorFilterProc& color_filter_proc) override;
44 
45  private:
46  Color color_;
47 
48  SolidColorContents(const SolidColorContents&) = delete;
49 
50  SolidColorContents& operator=(const SolidColorContents&) = delete;
51 };
52 
53 } // namespace impeller
54 
55 #endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_SOLID_COLOR_CONTENTS_H_
std::function< Color(Color)> ColorFilterProc
Definition: contents.h:35
Render passes encode render commands directed as one specific render target into an underlying comman...
Definition: render_pass.h:30
bool IsOpaque(const Matrix &transform) const override
Whether this Contents only emits opaque source colors from the fragment stage. This value does not ac...
bool IsSolidColor() const override
bool ApplyColorFilter(const ColorFilterProc &color_filter_proc) override
If possible, applies a color filter to this contents inputs on the CPU.
bool Render(const ContentContext &renderer, const Entity &entity, RenderPass &pass) const override
std::optional< Color > AsBackgroundColor(const Entity &entity, ISize target_size) const override
Returns a color if this Contents will flood the given target_size with a color. This output color is ...
std::optional< Rect > GetCoverage(const Entity &entity) const override
Get the area of the render pass that will be affected when this contents is rendered.
A 4x4 matrix using column-major storage.
Definition: matrix.h:37