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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
8 #include <memory>
9
10 #include "impeller/entity/contents/color_source_contents.h"
11 #include "impeller/entity/contents/contents.h"
12 #include "impeller/geometry/color.h"
13 #include "impeller/geometry/path.h"
14
15 namespace impeller {
16
17 class Path;
18 class HostBuffer;
19 struct VertexBuffer;
20
21 class SolidColorContents final : public ColorSourceContents {
22 public:
23 SolidColorContents();
24
25 ~SolidColorContents() override;
26
27 static std::unique_ptr<SolidColorContents> Make(const Path& path,
28 Color color);
29
30 void SetColor(Color color);
31
32 Color GetColor() const;
33
34 // |ColorSourceContents|
35 bool IsSolidColor() const override;
36
37 // |Contents|
38 bool IsOpaque() const override;
39
40 // |Contents|
41 std::optional<Rect> GetCoverage(const Entity& entity) const override;
42
43 // |Contents|
44 bool Render(const ContentContext& renderer,
45 const Entity& entity,
46 RenderPass& pass) const override;
47
48 std::optional<Color> AsBackgroundColor(const Entity& entity,
49 ISize target_size) const override;
50
51 // |Contents|
52 [[nodiscard]] bool ApplyColorFilter(
53 const ColorFilterProc& color_filter_proc) override;
54
55 private:
56 Color color_;
57
58 SolidColorContents(const SolidColorContents&) = delete;
59
60 SolidColorContents& operator=(const SolidColorContents&) = delete;
61 };
62
63 } // namespace impeller
64
65 #endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_SOLID_COLOR_CONTENTS_H_
impeller::SolidColorContents::GetColor
Color GetColor() const
Definition: solid_color_contents.cc:23
impeller::SolidColorContents::Make
static std::unique_ptr< SolidColorContents > Make(const Path &path, Color color)
Definition: solid_color_contents.cc:69
path.h
impeller::SolidColorContents::IsOpaque
bool IsOpaque() const override
Whether this Contents only emits opaque source colors from the fragment stage. This value does not ac...
Definition: solid_color_contents.cc:31
contents.h
impeller::Color
Definition: color.h:124
impeller::SolidColorContents::IsSolidColor
bool IsSolidColor() const override
Definition: solid_color_contents.cc:27
impeller::SolidColorContents::GetCoverage
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.
Definition: solid_color_contents.cc:35
impeller::SolidColorContents::~SolidColorContents
~SolidColorContents() override
impeller::Entity
Definition: entity.h:21
impeller::TSize< int64_t >
color_source_contents.h
impeller::SolidColorContents::ApplyColorFilter
bool ApplyColorFilter(const ColorFilterProc &color_filter_proc) override
If possible, applies a color filter to this contents inputs on the CPU.
Definition: solid_color_contents.cc:86
impeller::Path
Paths are lightweight objects that describe a collection of linear, quadratic, or cubic segments....
Definition: path.h:51
impeller::Contents::ColorFilterProc
std::function< Color(Color)> ColorFilterProc
Definition: contents.h:38
impeller::SolidColorContents
Definition: solid_color_contents.h:21
impeller::SolidColorContents::SolidColorContents
SolidColorContents()
impeller::RenderPass
Render passes encode render commands directed as one specific render target into an underlying comman...
Definition: render_pass.h:33
impeller::SolidColorContents::SetColor
void SetColor(Color color)
Definition: solid_color_contents.cc:19
color.h
impeller::SolidColorContents::Render
bool Render(const ContentContext &renderer, const Entity &entity, RenderPass &pass) const override
Definition: solid_color_contents.cc:48
impeller::ColorSourceContents
Definition: color_source_contents.h:36
impeller
Definition: aiks_blur_unittests.cc:20
impeller::ContentContext
Definition: content_context.h:392
impeller::SolidColorContents::AsBackgroundColor
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 ...
Definition: solid_color_contents.cc:77