Flutter Impeller
rect_geometry.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_GEOMETRY_RECT_GEOMETRY_H_
6 #define FLUTTER_IMPELLER_ENTITY_GEOMETRY_RECT_GEOMETRY_H_
7 
9 
10 namespace impeller {
11 
12 class RectGeometry final : public Geometry {
13  public:
14  explicit RectGeometry(Rect rect);
15 
16  ~RectGeometry() = default;
17 
18  // |Geometry|
19  bool CoversArea(const Matrix& transform, const Rect& rect) const override;
20 
21  // |Geometry|
22  bool IsAxisAlignedRect() const override;
23 
24  // |Geometry|
26  const Entity& entity,
27  RenderPass& pass) const override;
28 
29  // |Geometry|
30  GeometryVertexType GetVertexType() const override;
31 
32  // |Geometry|
33  std::optional<Rect> GetCoverage(const Matrix& transform) const override;
34 
35  // |Geometry|
36  GeometryResult GetPositionUVBuffer(Rect texture_coverage,
37  Matrix effect_transform,
38  const ContentContext& renderer,
39  const Entity& entity,
40  RenderPass& pass) const override;
41 
42  private:
43  Rect rect_;
44 
45  RectGeometry(const RectGeometry&) = delete;
46 
47  RectGeometry& operator=(const RectGeometry&) = delete;
48 };
49 
50 static_assert(std::is_trivially_destructible<RectGeometry>::value);
51 
52 } // namespace impeller
53 
54 #endif // FLUTTER_IMPELLER_ENTITY_GEOMETRY_RECT_GEOMETRY_H_
impeller::RectGeometry::IsAxisAlignedRect
bool IsAxisAlignedRect() const override
Definition: rect_geometry.cc:54
impeller::GeometryVertexType
GeometryVertexType
Definition: geometry.h:49
impeller::Entity
Definition: entity.h:21
impeller::RectGeometry::RectGeometry
RectGeometry(Rect rect)
Definition: rect_geometry.cc:9
impeller::RectGeometry::GetPositionBuffer
GeometryResult GetPositionBuffer(const ContentContext &renderer, const Entity &entity, RenderPass &pass) const override
Definition: rect_geometry.cc:11
geometry.h
impeller::RectGeometry
Definition: rect_geometry.h:12
impeller::GeometryResult
Definition: geometry.h:20
impeller::RectGeometry::GetPositionUVBuffer
GeometryResult GetPositionUVBuffer(Rect texture_coverage, Matrix effect_transform, const ContentContext &renderer, const Entity &entity, RenderPass &pass) const override
Definition: rect_geometry.cc:29
impeller::RenderPass
Render passes encode render commands directed as one specific render target into an underlying comman...
Definition: render_pass.h:33
impeller::Geometry
Definition: geometry.h:83
impeller::RectGeometry::GetVertexType
GeometryVertexType GetVertexType() const override
Definition: rect_geometry.cc:38
impeller::RectGeometry::GetCoverage
std::optional< Rect > GetCoverage(const Matrix &transform) const override
Definition: rect_geometry.cc:42
impeller::RectGeometry::CoversArea
bool CoversArea(const Matrix &transform, const Rect &rect) const override
Determines if this geometry, transformed by the given transform, will completely cover all surface ar...
Definition: rect_geometry.cc:46
impeller
Definition: aiks_blur_unittests.cc:20
impeller::ContentContext
Definition: content_context.h:392
impeller::TRect< Scalar >
impeller::Matrix
A 4x4 matrix using column-major storage.
Definition: matrix.h:37
impeller::RectGeometry::~RectGeometry
~RectGeometry()=default