Flutter Impeller
fill_path_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_FILL_PATH_GEOMETRY_H_
6 #define FLUTTER_IMPELLER_ENTITY_GEOMETRY_FILL_PATH_GEOMETRY_H_
7 
8 #include <optional>
9 
11 #include "impeller/geometry/rect.h"
12 
13 namespace impeller {
14 
15 /// @brief A geometry that is created from a filled path object.
16 class FillPathGeometry final : public Geometry {
17  public:
18  explicit FillPathGeometry(const Path& path,
19  std::optional<Rect> inner_rect = std::nullopt);
20 
21  ~FillPathGeometry() = default;
22 
23  // |Geometry|
24  bool CoversArea(const Matrix& transform, const Rect& rect) const override;
25 
26  private:
27  // |Geometry|
28  GeometryResult GetPositionBuffer(const ContentContext& renderer,
29  const Entity& entity,
30  RenderPass& pass) const override;
31 
32  // |Geometry|
33  GeometryVertexType GetVertexType() const override;
34 
35  // |Geometry|
36  std::optional<Rect> GetCoverage(const Matrix& transform) const override;
37 
38  // |Geometry|
39  GeometryResult GetPositionUVBuffer(Rect texture_coverage,
40  Matrix effect_transform,
41  const ContentContext& renderer,
42  const Entity& entity,
43  RenderPass& pass) const override;
44 
45  // |Geometry|
46  GeometryResult::Mode GetResultMode() const override;
47 
48  Path path_;
49  std::optional<Rect> inner_rect_;
50 
51  FillPathGeometry(const FillPathGeometry&) = delete;
52 
53  FillPathGeometry& operator=(const FillPathGeometry&) = delete;
54 };
55 
56 } // namespace impeller
57 
58 #endif // FLUTTER_IMPELLER_ENTITY_GEOMETRY_FILL_PATH_GEOMETRY_H_
impeller::GeometryVertexType
GeometryVertexType
Definition: geometry.h:49
impeller::GeometryResult::Mode
Mode
Definition: geometry.h:21
impeller::Entity
Definition: entity.h:21
impeller::Path
Paths are lightweight objects that describe a collection of linear, quadratic, or cubic segments....
Definition: path.h:51
geometry.h
impeller::GeometryResult
Definition: geometry.h:20
impeller::FillPathGeometry::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: fill_path_geometry.cc:196
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
rect.h
impeller::FillPathGeometry
A geometry that is created from a filled path object.
Definition: fill_path_geometry.h:16
impeller
Definition: aiks_blur_unittests.cc:20
impeller::ContentContext
Definition: content_context.h:392
impeller::TRect
Definition: rect.h:122
impeller::Matrix
A 4x4 matrix using column-major storage.
Definition: matrix.h:37
impeller::FillPathGeometry::~FillPathGeometry
~FillPathGeometry()=default
impeller::FillPathGeometry::FillPathGeometry
FillPathGeometry(const Path &path, std::optional< Rect > inner_rect=std::nullopt)
Definition: fill_path_geometry.cc:15