Flutter Impeller
rect_geometry.h
Go to the documentation of this file.
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() override;
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  std::optional<Rect> GetCoverage(const Matrix& transform) const override;
31 
32  private:
33  Rect rect_;
34 };
35 
36 } // namespace impeller
37 
38 #endif // FLUTTER_IMPELLER_ENTITY_GEOMETRY_RECT_GEOMETRY_H_
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...
std::optional< Rect > GetCoverage(const Matrix &transform) const override
GeometryResult GetPositionBuffer(const ContentContext &renderer, const Entity &entity, RenderPass &pass) const override
bool IsAxisAlignedRect() const override
Render passes encode render commands directed as one specific render target into an underlying comman...
Definition: render_pass.h:30
A 4x4 matrix using column-major storage.
Definition: matrix.h:37