#include <path.h>

Inheritance diagram for flutter::CanvasPath:

Public Member Functions
	~CanvasPath () override

int	getFillType ()

void	setFillType (int fill_type)

void	moveTo (double x, double y)

void	relativeMoveTo (double x, double y)

void	lineTo (double x, double y)

void	relativeLineTo (double x, double y)

void	quadraticBezierTo (double x1, double y1, double x2, double y2)

void	relativeQuadraticBezierTo (double x1, double y1, double x2, double y2)

void	cubicTo (double x1, double y1, double x2, double y2, double x3, double y3)

void	relativeCubicTo (double x1, double y1, double x2, double y2, double x3, double y3)

void	conicTo (double x1, double y1, double x2, double y2, double w)

void	relativeConicTo (double x1, double y1, double x2, double y2, double w)

void	arcTo (double left, double top, double right, double bottom, double startAngle, double sweepAngle, bool forceMoveTo)

void	arcToPoint (double arcEndX, double arcEndY, double radiusX, double radiusY, double xAxisRotation, bool isLargeArc, bool isClockwiseDirection)

void	relativeArcToPoint (double arcEndDeltaX, double arcEndDeltaY, double radiusX, double radiusY, double xAxisRotation, bool isLargeArc, bool isClockwiseDirection)

void	addRect (double left, double top, double right, double bottom)

void	addOval (double left, double top, double right, double bottom)

void	addArc (double left, double top, double right, double bottom, double startAngle, double sweepAngle)

void	addPolygon (const tonic::Float32List &points, bool close)

void	addRRect (const RRect &rrect)

void	addRSuperellipse (const RSuperellipse *rse)

void	addPath (CanvasPath *path, double dx, double dy)

void	addPathWithMatrix (CanvasPath *path, double dx, double dy, Dart_Handle matrix4_handle)

void	extendWithPath (CanvasPath *path, double dx, double dy)

void	extendWithPathAndMatrix (CanvasPath *path, double dx, double dy, Dart_Handle matrix4_handle)

void	close ()

void	reset ()

bool	contains (double x, double y)

void	shift (Dart_Handle path_handle, double dx, double dy)

void	transform (Dart_Handle path_handle, Dart_Handle matrix4_handle)

tonic::Float32List	getBounds ()

bool	op (CanvasPath path1, CanvasPath path2, int operation)

void	clone (Dart_Handle path_handle)

const DlPath &	path () const

Public Member Functions inherited from flutter::RefCountedDartWrappable< CanvasPath >
virtual void	RetainDartWrappableReference () const override

virtual void	ReleaseDartWrappableReference () const override

Public Member Functions inherited from fml::RefCountedThreadSafe< T >
void	Release () const

Public Member Functions inherited from fml::internal::RefCountedThreadSafeBase
void	AddRef () const

bool	HasOneRef () const

void	AssertHasOneRef () const

Public Member Functions inherited from tonic::DartWrappable
	DartWrappable ()

virtual const DartWrapperInfo &	GetDartWrapperInfo () const =0

Dart_Handle	CreateDartWrapper (DartState *dart_state)

void	AssociateWithDartWrapper (Dart_Handle wrappable)

void	ClearDartWrapper ()

Dart_WeakPersistentHandle	dart_wrapper () const

Static Public Member Functions
static void	CreateFrom (Dart_Handle path_handle, const SkPath &src)

static fml::RefPtr< CanvasPath >	Create (Dart_Handle wrapper)

Additional Inherited Members
Public Types inherited from tonic::DartWrappable
enum	DartNativeFields { kPeerIndex , kNumberOfNativeFields }

Protected Member Functions inherited from fml::RefCountedThreadSafe< T >
	RefCountedThreadSafe ()

	~RefCountedThreadSafe ()

Protected Member Functions inherited from fml::internal::RefCountedThreadSafeBase
	RefCountedThreadSafeBase ()

	~RefCountedThreadSafeBase ()

bool	Release () const

void	Adopt ()

Protected Member Functions inherited from tonic::DartWrappable
virtual	~DartWrappable ()

Static Protected Member Functions inherited from tonic::DartWrappable
static Dart_PersistentHandle	GetTypeForWrapper (tonic::DartState *dart_state, const tonic::DartWrapperInfo &wrapper_info)

Detailed Description

Definition at line 19 of file path.h.

Constructor & Destructor Documentation

◆ ~CanvasPath()

flutter::CanvasPath::~CanvasPath ( )

overridedefault

Member Function Documentation

◆ addArc()

void flutter::CanvasPath::addArc	(	double	left,
		double	top,
		double	right,
		double	bottom,
		double	startAngle,
		double	sweepAngle
	)

Definition at line 185 of file path.cc.

                                           {
  sk_path_.addArc(SkRect::MakeLTRB(SafeNarrow(left), SafeNarrow(top),
                                   SafeNarrow(right), SafeNarrow(bottom)),
                  SafeNarrow(startAngle) * 180.0f / static_cast<float>(M_PI),
                  SafeNarrow(sweepAngle) * 180.0f / static_cast<float>(M_PI));
  resetVolatility();
}

References flutter::SafeNarrow().

◆ addOval()

void flutter::CanvasPath::addOval	(	double	left,
		double	top,
		double	right,
		double	bottom
	)

Definition at line 179 of file path.cc.

                                                                             {
  sk_path_.addOval(SkRect::MakeLTRB(SafeNarrow(left), SafeNarrow(top),
                                    SafeNarrow(right), SafeNarrow(bottom)));
  resetVolatility();
}

References flutter::SafeNarrow().

◆ addPath()

void flutter::CanvasPath::addPath	(	CanvasPath *	path,
		double	dx,
		double	dy
	)

Definition at line 220 of file path.cc.

                                                               {
  if (!path) {
    Dart_ThrowException(ToDart("Path.addPath called with non-genuine Path."));
    return;
  }
  sk_path_.addPath(path->path().GetSkPath(), SafeNarrow(dx), SafeNarrow(dy),
                   SkPath::kAppend_AddPathMode);
  resetVolatility();
}

References flutter::DlPath::GetSkPath(), path(), and flutter::SafeNarrow().

◆ addPathWithMatrix()

void flutter::CanvasPath::addPathWithMatrix	(	CanvasPath *	path,
		double	dx,
		double	dy,
		Dart_Handle	matrix4_handle
	)

Definition at line 230 of file path.cc.

                                                               {
  tonic::Float64List matrix4(matrix4_handle);
 
  if (!path) {
    matrix4.Release();
    Dart_ThrowException(
        ToDart("Path.addPathWithMatrix called with non-genuine Path."));
    return;
  }
 
  SkMatrix matrix = ToSkMatrix(matrix4);
  matrix4.Release();
  matrix.setTranslateX(matrix.getTranslateX() + SafeNarrow(dx));
  matrix.setTranslateY(matrix.getTranslateY() + SafeNarrow(dy));
  sk_path_.addPath(path->path().GetSkPath(), matrix,
                   SkPath::kAppend_AddPathMode);
  resetVolatility();
}

References flutter::DlPath::GetSkPath(), path(), flutter::SafeNarrow(), and flutter::ToSkMatrix().

◆ addPolygon()

void flutter::CanvasPath::addPolygon	(	const tonic::Float32List &	points,
		bool	close
	)

Definition at line 198 of file path.cc.

                                                                      {
  SkSpan<const SkPoint> ptsSpan = {
      reinterpret_cast<const SkPoint*>(points.data()),
      points.num_elements() / 2};
  sk_path_.addPolygon(ptsSpan, close);
  resetVolatility();
}

References close(), and points.

◆ addRect()

void flutter::CanvasPath::addRect	(	double	left,
		double	top,
		double	right,
		double	bottom
	)

Definition at line 173 of file path.cc.

                                                                             {
  sk_path_.addRect(SkRect::MakeLTRB(SafeNarrow(left), SafeNarrow(top),
                                    SafeNarrow(right), SafeNarrow(bottom)));
  resetVolatility();
}

References flutter::SafeNarrow().

◆ addRRect()

void flutter::CanvasPath::addRRect ( const RRect & rrect )

Definition at line 206 of file path.cc.

                                            {
  sk_path_.addRRect(ToSkRRect(rrect.rrect));
  resetVolatility();
}

References flutter::RRect::rrect, and flutter::ToSkRRect().

◆ addRSuperellipse()

void flutter::CanvasPath::addRSuperellipse ( const RSuperellipse * rse )

Definition at line 211 of file path.cc.

                                                                    {
  DlPathBuilder builder;
  builder.AddRoundSuperellipse(DlRoundSuperellipse::MakeRectRadii(
      rsuperellipse->bounds(), rsuperellipse->radii()));
  sk_path_.addPath(builder.TakePath().GetSkPath(), SkPath::kAppend_AddPathMode);
 
  resetVolatility();
}

References flutter::DlPathBuilder::AddRoundSuperellipse(), flutter::RSuperellipse::bounds(), flutter::DlPath::GetSkPath(), impeller::RoundSuperellipse::MakeRectRadii(), flutter::RSuperellipse::radii(), and flutter::DlPathBuilder::TakePath().

◆ arcTo()

void flutter::CanvasPath::arcTo	(	double	left,
		double	top,
		double	right,
		double	bottom,
		double	startAngle,
		double	sweepAngle,
		bool	forceMoveTo
	)

Definition at line 123 of file path.cc.

                                         {
  sk_path_.arcTo(SkRect::MakeLTRB(SafeNarrow(left), SafeNarrow(top),
                                  SafeNarrow(right), SafeNarrow(bottom)),
                 SafeNarrow(startAngle) * 180.0f / static_cast<float>(M_PI),
                 SafeNarrow(sweepAngle) * 180.0f / static_cast<float>(M_PI),
                 forceMoveTo);
  resetVolatility();
}

References flutter::SafeNarrow().

◆ arcToPoint()

void flutter::CanvasPath::arcToPoint	(	double	arcEndX,
		double	arcEndY,
		double	radiusX,
		double	radiusY,
		double	xAxisRotation,
		bool	isLargeArc,
		bool	isClockwiseDirection
	)

Definition at line 138 of file path.cc.

                                                       {
  const auto arcSize = isLargeArc ? SkPathBuilder::ArcSize::kLarge_ArcSize
                                  : SkPathBuilder::ArcSize::kSmall_ArcSize;
  const auto direction =
      isClockwiseDirection ? SkPathDirection::kCW : SkPathDirection::kCCW;
 
  sk_path_.arcTo({SafeNarrow(radiusX), SafeNarrow(radiusY)},
                 SafeNarrow(xAxisRotation), arcSize, direction,
                 {SafeNarrow(arcEndX), SafeNarrow(arcEndY)});
  resetVolatility();
}

References flutter::SafeNarrow().

◆ clone()

void flutter::CanvasPath::clone ( Dart_Handle path_handle )

Definition at line 337 of file path.cc.

                                              {
  fml::RefPtr<CanvasPath> path = Create(path_handle);
  // per Skia docs, this will create a fast copy
  // data is shared until the source path or dest path are mutated
  path->sk_path_ = this->sk_path_;
}

References Create(), and path().

◆ close()

void flutter::CanvasPath::close ( )

Definition at line 285 of file path.cc.

                       {
  sk_path_.close();
  resetVolatility();
}

Referenced by addPolygon().

◆ conicTo()

void flutter::CanvasPath::conicTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	w
	)

Definition at line 107 of file path.cc.

                                                                             {
  sk_path_.conicTo({SafeNarrow(x1), SafeNarrow(y1)},
                   {SafeNarrow(x2), SafeNarrow(y2)}, SafeNarrow(w));
  resetVolatility();
}

References flutter::SafeNarrow().

◆ contains()

bool flutter::CanvasPath::contains	(	double	x,
		double	y
	)

Definition at line 295 of file path.cc.

                                            {
  return sk_path_.contains({SafeNarrow(x), SafeNarrow(y)});
}

References flutter::SafeNarrow(), x, and y.

◆ Create()

static fml::RefPtr< CanvasPath > flutter::CanvasPath::Create ( Dart_Handle wrapper )

inlinestatic

Definition at line 32 of file path.h.

                                                           {
    UIDartState::ThrowIfUIOperationsProhibited();
    auto res = fml::MakeRefCounted<CanvasPath>();
    res->AssociateWithDartWrapper(wrapper);
    return res;
  }

References flutter::UIDartState::ThrowIfUIOperationsProhibited().

Referenced by clone(), flutter::CanvasPathMeasure::getSegment(), shift(), and transform().

◆ CreateFrom()

static void flutter::CanvasPath::CreateFrom	(	Dart_Handle	path_handle,
		const SkPath &	src
	)

inlinestatic

Definition at line 26 of file path.h.

                                                                     {
    auto path = fml::MakeRefCounted<CanvasPath>();
    path->AssociateWithDartWrapper(path_handle);
    path->sk_path_ = src;
  }

References path().

Referenced by flutter::CanvasPathMeasure::getSegment().

◆ cubicTo()

void flutter::CanvasPath::cubicTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	x3,
		double	y3
	)

Definition at line 83 of file path.cc.

                                    {
  sk_path_.cubicTo({SafeNarrow(x1), SafeNarrow(y1)},
                   {SafeNarrow(x2), SafeNarrow(y2)},
                   {SafeNarrow(x3), SafeNarrow(y3)});
  resetVolatility();
}

References flutter::SafeNarrow().

◆ extendWithPath()

void flutter::CanvasPath::extendWithPath	(	CanvasPath *	path,
		double	dx,
		double	dy
	)

Definition at line 252 of file path.cc.

                                                                      {
  if (!path) {
    Dart_ThrowException(
        ToDart("Path.extendWithPath called with non-genuine Path."));
    return;
  }
  sk_path_.addPath(path->path().GetSkPath(), SafeNarrow(dx), SafeNarrow(dy),
                   SkPath::kExtend_AddPathMode);
  resetVolatility();
}

References flutter::DlPath::GetSkPath(), path(), and flutter::SafeNarrow().

◆ extendWithPathAndMatrix()

void flutter::CanvasPath::extendWithPathAndMatrix	(	CanvasPath *	path,
		double	dx,
		double	dy,
		Dart_Handle	matrix4_handle
	)

Definition at line 263 of file path.cc.

                                                                     {
  tonic::Float64List matrix4(matrix4_handle);
 
  if (!path) {
    matrix4.Release();
    Dart_ThrowException(
        ToDart("Path.addPathWithMatrix called with non-genuine Path."));
    return;
  }
 
  SkMatrix matrix = ToSkMatrix(matrix4);
  matrix4.Release();
  matrix.setTranslateX(matrix.getTranslateX() + SafeNarrow(dx));
  matrix.setTranslateY(matrix.getTranslateY() + SafeNarrow(dy));
  sk_path_.addPath(path->path().GetSkPath(), matrix,
                   SkPath::kExtend_AddPathMode);
  resetVolatility();
}

References flutter::DlPath::GetSkPath(), path(), flutter::SafeNarrow(), and flutter::ToSkMatrix().

◆ getBounds()

tonic::Float32List flutter::CanvasPath::getBounds ( )

Definition at line 315 of file path.cc.

                                       {
  tonic::Float32List rect(Dart_NewTypedData(Dart_TypedData_kFloat32, 4));
  const SkRect& bounds = sk_path_.computeFiniteBounds().value_or(SkRect());
  rect[0] = bounds.left();
  rect[1] = bounds.top();
  rect[2] = bounds.right();
  rect[3] = bounds.bottom();
  return rect;
}

◆ getFillType()

int flutter::CanvasPath::getFillType ( )

Definition at line 39 of file path.cc.

                            {
  return static_cast<int>(sk_path_.fillType());
}

◆ lineTo()

void flutter::CanvasPath::lineTo	(	double	x,
		double	y
	)

Definition at line 58 of file path.cc.

                                          {
  sk_path_.lineTo({SafeNarrow(x), SafeNarrow(y)});
  resetVolatility();
}

References flutter::SafeNarrow(), x, and y.

◆ moveTo()

void flutter::CanvasPath::moveTo	(	double	x,
		double	y
	)

Definition at line 48 of file path.cc.

                                          {
  sk_path_.moveTo(SafeNarrow(x), SafeNarrow(y));
  resetVolatility();
}

References flutter::SafeNarrow(), x, and y.

◆ op()

bool flutter::CanvasPath::op	(	CanvasPath *	path1,
		CanvasPath *	path2,
		int	operation
	)

Definition at line 325 of file path.cc.

                                                                       {
  std::optional<SkPath> result =
      Op(path1->path().GetSkPath(), path2->path().GetSkPath(),
         static_cast<SkPathOp>(operation));
  if (result) {
    sk_path_ = result.value();
    resetVolatility();
    return true;
  }
  return false;
}

References flutter::DlPath::GetSkPath(), flutter::Op(), and path().

◆ path()

const DlPath & flutter::CanvasPath::path ( ) const

Definition at line 344 of file path.cc.

                                     {
  if (!dl_path_.has_value()) {
    dl_path_.emplace(sk_path_.snapshot());
  }
  return dl_path_.value();
}

Referenced by addPath(), addPathWithMatrix(), clone(), CreateFrom(), extendWithPath(), extendWithPathAndMatrix(), op(), shift(), and transform().

◆ quadraticBezierTo()

void flutter::CanvasPath::quadraticBezierTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 68 of file path.cc.

                                                                             {
  sk_path_.quadTo({SafeNarrow(x1), SafeNarrow(y1)},
                  {SafeNarrow(x2), SafeNarrow(y2)});
  resetVolatility();
}

References flutter::SafeNarrow().

◆ relativeArcToPoint()

void flutter::CanvasPath::relativeArcToPoint	(	double	arcEndDeltaX,
		double	arcEndDeltaY,
		double	radiusX,
		double	radiusY,
		double	xAxisRotation,
		bool	isLargeArc,
		bool	isClockwiseDirection
	)

Definition at line 156 of file path.cc.

                                                               {
  const auto arcSize = isLargeArc ? SkPathBuilder::ArcSize::kLarge_ArcSize
                                  : SkPathBuilder::ArcSize::kSmall_ArcSize;
  const auto direction =
      isClockwiseDirection ? SkPathDirection::kCW : SkPathDirection::kCCW;
  sk_path_.rArcTo({SafeNarrow(radiusX), SafeNarrow(radiusY)},
                  SafeNarrow(xAxisRotation), arcSize, direction,
                  {SafeNarrow(arcEndDeltaX), SafeNarrow(arcEndDeltaY)});
  resetVolatility();
}

References flutter::SafeNarrow().

◆ relativeConicTo()

void flutter::CanvasPath::relativeConicTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	w
	)

Definition at line 113 of file path.cc.

                                           {
  sk_path_.rConicTo({SafeNarrow(x1), SafeNarrow(y1)},
                    {SafeNarrow(x2), SafeNarrow(y2)}, SafeNarrow(w));
  resetVolatility();
}

References flutter::SafeNarrow().

◆ relativeCubicTo()

void flutter::CanvasPath::relativeCubicTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	x3,
		double	y3
	)

Definition at line 95 of file path.cc.

                                            {
  sk_path_.rCubicTo({SafeNarrow(x1), SafeNarrow(y1)},
                    {SafeNarrow(x2), SafeNarrow(y2)},
                    {SafeNarrow(x3), SafeNarrow(y3)});
  resetVolatility();
}

References flutter::SafeNarrow().

◆ relativeLineTo()

void flutter::CanvasPath::relativeLineTo	(	double	x,
		double	y
	)

Definition at line 63 of file path.cc.

                                                  {
  sk_path_.rLineTo({SafeNarrow(x), SafeNarrow(y)});
  resetVolatility();
}

References flutter::SafeNarrow(), x, and y.

◆ relativeMoveTo()

void flutter::CanvasPath::relativeMoveTo	(	double	x,
		double	y
	)

Definition at line 53 of file path.cc.

                                                  {
  sk_path_.rMoveTo({SafeNarrow(x), SafeNarrow(y)});
  resetVolatility();
}

References flutter::SafeNarrow(), x, and y.

◆ relativeQuadraticBezierTo()

void flutter::CanvasPath::relativeQuadraticBezierTo	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 74 of file path.cc.

                                                      {
  sk_path_.rQuadTo({SafeNarrow(x1), SafeNarrow(y1)},
                   {SafeNarrow(x2), SafeNarrow(y2)});
  resetVolatility();
}

References flutter::SafeNarrow().

◆ reset()

void flutter::CanvasPath::reset ( )

Definition at line 290 of file path.cc.

                       {
  sk_path_.reset();
  resetVolatility();
}

Referenced by impeller::compiler::CompilerSkSL::compile().

◆ setFillType()

void flutter::CanvasPath::setFillType ( int fill_type )

Definition at line 43 of file path.cc.

                                          {
  sk_path_.setFillType(static_cast<SkPathFillType>(fill_type));
  resetVolatility();
}

◆ shift()

void flutter::CanvasPath::shift	(	Dart_Handle	path_handle,
		double	dx,
		double	dy
	)

Definition at line 299 of file path.cc.

                                                                    {
  fml::RefPtr<CanvasPath> path = Create(path_handle);
  path->sk_path_ = sk_path_;
  path->sk_path_.offset(SafeNarrow(dx), SafeNarrow(dy));
}

References Create(), path(), and flutter::SafeNarrow().

◆ transform()

void flutter::CanvasPath::transform	(	Dart_Handle	path_handle,
		Dart_Handle	matrix4_handle
	)

Definition at line 305 of file path.cc.

                                                       {
  tonic::Float64List matrix4(matrix4_handle);
  auto sk_matrix = ToSkMatrix(matrix4);
  matrix4.Release();
  fml::RefPtr<CanvasPath> path = Create(path_handle);
  path->sk_path_ = sk_path_;
  path->sk_path_.transform(sk_matrix);
}

References Create(), path(), sk_matrix, and flutter::ToSkMatrix().

The documentation for this class was generated from the following files:

lib/ui/painting/path.h
lib/ui/painting/path.cc

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~CanvasPath()

Member Function Documentation

◆ addArc()

◆ addOval()

◆ addPath()

◆ addPathWithMatrix()

◆ addPolygon()

◆ addRect()

◆ addRRect()

◆ addRSuperellipse()

◆ arcTo()

◆ arcToPoint()

◆ clone()

◆ close()

◆ conicTo()

◆ contains()

◆ Create()

◆ CreateFrom()

◆ cubicTo()

◆ extendWithPath()

◆ extendWithPathAndMatrix()

◆ getBounds()

◆ getFillType()

◆ lineTo()

◆ moveTo()

◆ op()

◆ path()

◆ quadraticBezierTo()

◆ relativeArcToPoint()

◆ relativeConicTo()

◆ relativeCubicTo()

◆ relativeLineTo()

◆ relativeMoveTo()

◆ relativeQuadraticBezierTo()

◆ reset()

◆ setFillType()

◆ shift()

◆ transform()