Flutter Impeller
Public Member Functions | Protected Member Functions | List of all members
impeller::StrokePathGeometry Class Referencefinal

A Geometry that produces fillable vertices representing the stroked outline of a |DlPath| object using the |StrokePathSourceGeometry| base class and a |DlPath| object to perform path iteration. More...

#include <stroke_path_geometry.h>

Inheritance diagram for impeller::StrokePathGeometry:
impeller::StrokePathSourceGeometry impeller::StrokeSegmentsGeometry impeller::Geometry

Public Member Functions

 StrokePathGeometry (const flutter::DlPath &path, const StrokeParameters &parameters)
 
- Public Member Functions inherited from impeller::StrokeSegmentsGeometry
 ~StrokeSegmentsGeometry () override
 
Scalar GetStrokeWidth () const
 
Scalar GetMiterLimit () const
 
Cap GetStrokeCap () const
 
Join GetStrokeJoin () const
 
Scalar ComputeAlphaCoverage (const Matrix &transform) const override
 
- Public Member Functions inherited from impeller::Geometry
virtual ~Geometry ()
 
virtual bool CoversArea (const Matrix &transform, const Rect &rect) const
 Determines if this geometry, transformed by the given transform, will completely cover all surface area of the given rect. More...
 
virtual bool IsAxisAlignedRect () const
 
virtual bool CanApplyMaskFilter () const
 

Protected Member Functions

const PathSource & GetSource () const override
 
- Protected Member Functions inherited from impeller::StrokePathSourceGeometry
 StrokePathSourceGeometry (const StrokeParameters &parameters)
 
std::optional< Rect > GetCoverage (const Matrix &transform) const override
 
void Dispatch (PathAndArcSegmentReceiver &receiver, Tessellator &tessellator, Scalar scale) const override
 
- Protected Member Functions inherited from impeller::StrokeSegmentsGeometry
 StrokeSegmentsGeometry (const StrokeParameters &parameters)
 
std::optional< Rect > GetStrokeCoverage (const Matrix &transform, const Rect &segment_bounds) const
 

Additional Inherited Members

- Static Public Member Functions inherited from impeller::Geometry
static std::unique_ptr< Geometry > MakeFillPath (const flutter::DlPath &path, std::optional< Rect > inner_rect=std::nullopt)
 
static std::unique_ptr< Geometry > MakeStrokePath (const flutter::DlPath &path, const StrokeParameters &stroke={})
 
static std::unique_ptr< Geometry > MakeCover ()
 
static std::unique_ptr< Geometry > MakeRect (const Rect &rect)
 
static std::unique_ptr< Geometry > MakeOval (const Rect &rect)
 
static std::unique_ptr< Geometry > MakeLine (const Point &p0, const Point &p1, const StrokeParameters &stroke)
 
static std::unique_ptr< Geometry > MakeCircle (const Point &center, Scalar radius)
 
static std::unique_ptr< Geometry > MakeStrokedCircle (const Point &center, Scalar radius, Scalar stroke_width)
 
static std::unique_ptr< Geometry > MakeFilledArc (const Rect &oval_bounds, Degrees start, Degrees sweep, bool include_center)
 
static std::unique_ptr< Geometry > MakeStrokedArc (const Rect &oval_bounds, Degrees start, Degrees sweep, const StrokeParameters &stroke)
 
static std::unique_ptr< Geometry > MakeRoundRect (const Rect &rect, const Size &radii)
 
static std::unique_ptr< Geometry > MakeRoundSuperellipse (const Rect &rect, Scalar corner_radius)
 
static Scalar ComputeStrokeAlphaCoverage (const Matrix &entity, Scalar stroke_width)
 Compute an alpha value to simulate lower coverage of fractional pixel strokes. More...
 
static GeometryResult ComputePositionGeometry (const ContentContext &renderer, const Tessellator::VertexGenerator &generator, const Entity &entity, RenderPass &pass)
 

Detailed Description

A Geometry that produces fillable vertices representing the stroked outline of a |DlPath| object using the |StrokePathSourceGeometry| base class and a |DlPath| object to perform path iteration.

Definition at line 115 of file stroke_path_geometry.h.

Constructor & Destructor Documentation

◆ StrokePathGeometry()

impeller::StrokePathGeometry::StrokePathGeometry ( const flutter::DlPath &  path,
const StrokeParameters &  parameters 
)

Definition at line 854 of file stroke_path_geometry.cc.

856  : StrokePathSourceGeometry(parameters), path_(path) {}
impeller::StrokePathSourceGeometry::StrokePathSourceGeometry
StrokePathSourceGeometry(const StrokeParameters &parameters)
Definition: stroke_path_geometry.cc:839

Member Function Documentation

◆ GetSource()

const PathSource & impeller::StrokePathGeometry::GetSource ( ) const
overrideprotectedvirtual

The PathSource object that will be iterated to produce the raw vertices to be stroked.

Implements impeller::StrokePathSourceGeometry.

Definition at line 858 of file stroke_path_geometry.cc.

858  {
859  return path_;
860 }
The documentation for this class was generated from the following files: