A Geometry that produces fillable vertices representing the stroked outline of an |Arc| object using the base class |StrokeSegmentsGeometry| and utilizing the special |RecordArc| extension method provided by the |PathAndArcSegmentReceiver|. More...
#include <stroke_path_geometry.h>
Public Member Functions | |
ArcStrokeGeometry (const Arc &arc, const StrokeParameters ¶meters) | |
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~StrokeSegmentsGeometry () override | |
Scalar | GetStrokeWidth () const |
Scalar | GetMiterLimit () const |
Cap | GetStrokeCap () const |
Join | GetStrokeJoin () const |
Scalar | ComputeAlphaCoverage (const Matrix &transform) const override |
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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 | |
std::optional< Rect > | GetCoverage (const Matrix &transform) const override |
void | Dispatch (PathAndArcSegmentReceiver &receiver, Tessellator &tessellator, Scalar scale) const override |
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StrokeSegmentsGeometry (const StrokeParameters ¶meters) | |
std::optional< Rect > | GetStrokeCoverage (const Matrix &transform, const Rect &segment_bounds) const |
Additional Inherited Members | |
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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 ¢er, Scalar radius) |
static std::unique_ptr< Geometry > | MakeStrokedCircle (const Point ¢er, 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) |
A Geometry that produces fillable vertices representing the stroked outline of an |Arc| object using the base class |StrokeSegmentsGeometry| and utilizing the special |RecordArc| extension method provided by the |PathAndArcSegmentReceiver|.
Definition at line 132 of file stroke_path_geometry.h.
impeller::ArcStrokeGeometry::ArcStrokeGeometry | ( | const Arc & | arc, |
const StrokeParameters & | parameters | ||
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Definition at line 862 of file stroke_path_geometry.cc.
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overrideprotectedvirtual |
Dispatch the path segments to the StrokePathSegmentReceiver for the provided transform scale.
Implements impeller::StrokeSegmentsGeometry.
Definition at line 871 of file stroke_path_geometry.cc.
References impeller::PathTessellator::SegmentReceiver::BeginContour(), impeller::Arc::ComputeIterations(), impeller::Arc::Iteration::end, end, impeller::PathTessellator::SegmentReceiver::EndContour(), impeller::Arc::GetOvalCenter(), impeller::Arc::GetOvalSize(), impeller::Tessellator::GetTrigsForDeviceRadius(), impeller::Arc::IncludeCenter(), impeller::TSize< T >::MaxDimension(), impeller::PathAndArcSegmentReceiver::RecordArc(), impeller::PathTessellator::SegmentReceiver::RecordLine(), impeller::Arc::Iteration::start, and start.
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overrideprotectedvirtual |
Implements impeller::Geometry.
Definition at line 866 of file stroke_path_geometry.cc.
References impeller::StrokeSegmentsGeometry::GetStrokeCoverage(), impeller::Arc::GetTightArcBounds(), and transform.