#include <line_geometry.h>
Public Member Functions | |
LineGeometry (Point p0, Point p1, const StrokeParameters &stroke) | |
~LineGeometry () override | |
bool | CoversArea (const Matrix &transform, const Rect &rect) const override |
Determines if this geometry, transformed by the given transform , will completely cover all surface area of the given rect . More... | |
bool | IsAxisAlignedRect () const override |
Scalar | ComputeAlphaCoverage (const Matrix &transform) const override |
std::optional< Rect > | GetCoverage (const Matrix &transform) const override |
Point | GetP0 () const |
Point | GetP1 () const |
Scalar | GetWidth () const |
Cap | GetCap () const |
![]() | |
virtual | ~Geometry () |
virtual GeometryResult::Mode | GetResultMode () const |
virtual bool | CanApplyMaskFilter () const |
Static Public Member Functions | |
static Scalar | ComputePixelHalfWidth (const Matrix &transform, Scalar width) |
static Vector2 | ComputeAlongVector (const Matrix &transform, bool allow_zero_length, Point p0, Point p1, Scalar width) |
static bool | ComputeCorners (Point corners[4], const Matrix &transform, bool extend_endpoints, Point p0, Point p1, Scalar width) |
![]() | |
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) |
Definition at line 12 of file line_geometry.h.
|
explicit |
Definition at line 11 of file line_geometry.cc.
|
overridedefault |
|
static |
Definition at line 29 of file line_geometry.cc.
References ComputePixelHalfWidth(), impeller::TPoint< T >::GetLength(), impeller::kEhCloseEnough, and transform.
Referenced by ComputeCorners().
|
overridevirtual |
Reimplemented from impeller::Geometry.
Definition at line 77 of file line_geometry.cc.
References impeller::Geometry::ComputeStrokeAlphaCoverage().
|
static |
Definition at line 52 of file line_geometry.cc.
References ComputeAlongVector(), and transform.
Referenced by impeller::LineContents::CalculatePerVertex(), and GetCoverage().
|
static |
Definition at line 18 of file line_geometry.cc.
References impeller::kMinStrokeSize, and transform.
Referenced by ComputeAlongVector().
|
overridevirtual |
Determines if this geometry, transformed by the given transform
, will completely cover all surface area of the given rect
.
This is a conservative estimate useful for certain optimizations.
true
if the transformed geometry is guaranteed to cover the given rect
. May return false
in many undetected cases where the transformed geometry does in fact cover the rect
. Reimplemented from impeller::Geometry.
Definition at line 170 of file line_geometry.cc.
References GetCoverage(), IsAxisAlignedRect(), and transform.
|
inline |
Definition at line 34 of file line_geometry.h.
Referenced by impeller::LineContents::CalculatePerVertex().
|
overridevirtual |
Implements impeller::Geometry.
Definition at line 156 of file line_geometry.cc.
References ComputeCorners(), end, impeller::kButt, impeller::TRect< Scalar >::MakePointBounds(), and transform.
Referenced by CoversArea().
|
inline |
Definition at line 31 of file line_geometry.h.
Referenced by impeller::LineContents::CalculatePerVertex().
|
inline |
Definition at line 32 of file line_geometry.h.
Referenced by impeller::LineContents::CalculatePerVertex().
|
inline |
Definition at line 33 of file line_geometry.h.
Referenced by impeller::LineContents::CalculatePerVertex().
|
overridevirtual |
Reimplemented from impeller::Geometry.
Definition at line 178 of file line_geometry.cc.
References impeller::kRound.
Referenced by CoversArea().