#include <dl_path.h>

Inheritance diagram for flutter::DlPath:

Public Member Functions
	DlPath ()

	DlPath (const SkPath &path)

	DlPath (const DlPath &path)=default

	DlPath (DlPath &&path)=default

DlPath &	operator= (const DlPath &)=default

	~DlPath () override=default

const SkPath &	GetSkPath () const

void	Dispatch (DlPathReceiver &receiver) const override

void	WillRenderSkPath () const

DlPath	WithOffset (const DlPoint offset) const

DlPath	WithFillType (DlPathFillType type) const

bool	IsEmpty () const

bool	IsRect (DlRect rect=nullptr, bool is_closed=nullptr) const

bool	IsOval (DlRect *bounds=nullptr) const

bool	IsLine (DlPoint start=nullptr, DlPoint end=nullptr) const

bool	IsRoundRect (DlRoundRect *rrect=nullptr) const

bool	Contains (const DlPoint point) const

DlRect	GetBounds () const override

DlPathFillType	GetFillType () const override

bool	operator== (const DlPath &other) const

bool	IsVolatile () const

bool	IsConvex () const override

DlPath	operator+ (const DlPath &other) const

Public Member Functions inherited from impeller::PathSource
virtual	~PathSource ()=default

Static Public Member Functions
static DlPath	MakeRect (const DlRect &rect)

static DlPath	MakeRectLTRB (DlScalar left, DlScalar top, DlScalar right, DlScalar bottom)

static DlPath	MakeRectXYWH (DlScalar x, DlScalar y, DlScalar width, DlScalar height)

static DlPath	MakeOval (const DlRect &bounds)

static DlPath	MakeOvalLTRB (DlScalar left, DlScalar top, DlScalar right, DlScalar bottom)

static DlPath	MakeCircle (const DlPoint center, DlScalar radius)

static DlPath	MakeRoundRect (const DlRoundRect &rrect)

static DlPath	MakeRoundRectXY (const DlRect &rect, DlScalar x_radius, DlScalar y_radius, bool counter_clock_wise=false)

static DlPath	MakeRoundSuperellipse (const DlRoundSuperellipse &rse)

static DlPath	MakeLine (const DlPoint a, const DlPoint b)

static DlPath	MakePoly (const DlPoint pts[], int count, bool close, DlPathFillType fill_type=DlPathFillType::kNonZero)

static DlPath	MakeArc (const DlRect &bounds, DlDegrees start, DlDegrees sweep, bool use_center)

Static Public Attributes
static constexpr uint32_t	kMaxVolatileUses = 2

Detailed Description

Definition at line 19 of file dl_path.h.

Constructor & Destructor Documentation

◆ DlPath() [1/4]

flutter::DlPath::DlPath ( )

inline

Definition at line 59 of file dl_path.h.

59: data_(std::make_shared<Data>(SkPath())) {}

References flutter::Data().

Referenced by MakeArc(), MakeCircle(), MakeLine(), MakeOval(), MakeOvalLTRB(), MakePoly(), MakeRect(), MakeRectLTRB(), MakeRectXYWH(), MakeRoundRect(), MakeRoundRectXY(), operator+(), WithFillType(), and WithOffset().

◆ DlPath() [2/4]

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

inlineexplicit

Definition at line 60 of file dl_path.h.

60: data_(std::make_shared<Data>(path)) {}

flutter::path

DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot The VM snapshot data that will be memory mapped as read only SnapshotAssetPath must be present isolate snapshot The isolate snapshot data that will be memory mapped as read only SnapshotAssetPath must be present cache dir path

Definition switch_defs.h:52

References flutter::Data().

◆ DlPath() [3/4]

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

default

◆ DlPath() [4/4]

flutter::DlPath::DlPath ( DlPath && path )

default

◆ ~DlPath()

flutter::DlPath::~DlPath ( )

overridedefault

References flutter::Data().

Member Function Documentation

◆ Contains()

bool flutter::DlPath::Contains ( const DlPoint point ) const

Definition at line 237 of file dl_path.cc.

                                               {
  return GetSkPath().contains(point.x, point.y);
}

References GetSkPath(), impeller::TPoint< T >::x, and impeller::TPoint< T >::y.

◆ Dispatch()

void flutter::DlPath::Dispatch ( DlPathReceiver & receiver ) const

overridevirtual

Implements impeller::PathSource.

Definition at line 120 of file dl_path.cc.

                                                    {
  const SkPath& path = data_->sk_path;
  if (path.isEmpty()) {
    return;
  }
 
  auto iterator = SkPath::Iter(path, false);
 
  struct PathData {
    union {
      SkPoint points[4];
    };
  };
 
  PathData data;
 
  auto verb = SkPath::Verb::kDone_Verb;
  do {
    verb = iterator.next(data.points);
    switch (verb) {
      case SkPath::kMove_Verb:
        receiver.MoveTo(ToDlPoint(data.points[0]), iterator.isClosedContour());
        break;
      case SkPath::kLine_Verb:
        receiver.LineTo(ToDlPoint(data.points[1]));
        break;
      case SkPath::kQuad_Verb:
        receiver.QuadTo(ToDlPoint(data.points[1]), ToDlPoint(data.points[2]));
        break;
      case SkPath::kConic_Verb:
        if (!receiver.ConicTo(ToDlPoint(data.points[1]),
                              ToDlPoint(data.points[2]),
                              iterator.conicWeight())) {
          ReduceConic(receiver,                   //
                      ToDlPoint(data.points[0]),  //
                      ToDlPoint(data.points[1]),  //
                      ToDlPoint(data.points[2]),  //
                      iterator.conicWeight());
        }
        break;
      case SkPath::kCubic_Verb:
        receiver.CubicTo(ToDlPoint(data.points[1]),  //
                         ToDlPoint(data.points[2]),  //
                         ToDlPoint(data.points[3]));
        break;
      case SkPath::kClose_Verb:
        receiver.Close();
        break;
      case SkPath::kDone_Verb:
        break;
    }
  } while (verb != SkPath::Verb::kDone_Verb);
}

References impeller::PathReceiver::Close(), impeller::PathReceiver::ConicTo(), impeller::PathReceiver::CubicTo(), flutter::data, impeller::PathReceiver::LineTo(), impeller::PathReceiver::MoveTo(), flutter::path, points, impeller::PathReceiver::QuadTo(), and flutter::ToDlPoint().

Referenced by flutter::ComplexityCalculatorHelper::CalculatePathComplexity().

◆ GetBounds()

DlRect flutter::DlPath::GetBounds ( ) const

overridevirtual

Implements impeller::PathSource.

Definition at line 245 of file dl_path.cc.

                               {
  return ToDlRect(GetSkPath().getBounds());
}

References GetSkPath(), and flutter::ToDlRect().

◆ GetFillType()

DlPathFillType flutter::DlPath::GetFillType ( ) const

overridevirtual

Implements impeller::PathSource.

Definition at line 241 of file dl_path.cc.

                                         {
  return ToDlFillType(GetSkPath().getFillType());
}

References GetSkPath().

Referenced by flutter::testing::TEST(), flutter::testing::TEST(), and flutter::testing::TEST().

◆ GetSkPath()

const SkPath & flutter::DlPath::GetSkPath ( ) const

Definition at line 116 of file dl_path.cc.

                                      {
  return data_->sk_path;
}

Referenced by flutter::CanvasPath::addRSuperellipse(), Contains(), GetBounds(), GetFillType(), IsEmpty(), IsLine(), IsOval(), IsRect(), IsRoundRect(), IsVolatile(), operator+(), operator==(), flutter::testing::CanvasCompareTester::RenderWithClips(), flutter::testing::TEST(), and flutter::testing::TEST_F().

◆ IsConvex()

bool flutter::DlPath::IsConvex ( ) const

overridevirtual

Implements impeller::PathSource.

Definition at line 257 of file dl_path.cc.

                            {
  return data_->sk_path.isConvex();
}

Referenced by flutter::testing::TEST().

◆ IsEmpty()

bool flutter::DlPath::IsEmpty ( ) const

Definition at line 206 of file dl_path.cc.

                           {
  return GetSkPath().isEmpty();
}

References GetSkPath().

Referenced by flutter::testing::TEST(), and flutter::testing::TEST().

◆ IsLine()

bool flutter::DlPath::IsLine	(	DlPoint *	start = `nullptr`,
		DlPoint *	end = `nullptr`
	)		const

Definition at line 218 of file dl_path.cc.

                                                      {
  SkPoint sk_points[2];
  if (GetSkPath().isLine(sk_points)) {
    *start = ToDlPoint(sk_points[0]);
    *end = ToDlPoint(sk_points[1]);
    return true;
  }
  return false;
}

References end, GetSkPath(), start, and flutter::ToDlPoint().

◆ IsOval()

bool flutter::DlPath::IsOval ( DlRect * bounds = nullptr ) const

Definition at line 214 of file dl_path.cc.

                                        {
  return GetSkPath().isOval(ToSkRect(bounds));
}

References GetSkPath(), and flutter::ToSkRect().

Referenced by flutter::testing::TEST(), and flutter::testing::TEST_F().

◆ IsRect()

bool flutter::DlPath::IsRect	(	DlRect *	rect = `nullptr`,
		bool *	is_closed = `nullptr`
	)		const

Definition at line 210 of file dl_path.cc.

                                                       {
  return GetSkPath().isRect(ToSkRect(rect), is_closed);
}

References GetSkPath(), and flutter::ToSkRect().

Referenced by flutter::testing::TEST(), and flutter::testing::TEST_F().

◆ IsRoundRect()

bool flutter::DlPath::IsRoundRect ( DlRoundRect * rrect = nullptr ) const

Definition at line 228 of file dl_path.cc.

                                                 {
  SkRRect sk_rrect;
  bool ret = GetSkPath().isRRect(rrect ? &sk_rrect : nullptr);
  if (rrect) {
    *rrect = ToDlRoundRect(sk_rrect);
  }
  return ret;
}

References GetSkPath(), and flutter::ToDlRoundRect().

Referenced by flutter::testing::TEST(), flutter::testing::TEST_F(), and flutter::testing::TEST_F().

◆ IsVolatile()

bool flutter::DlPath::IsVolatile ( ) const

Definition at line 253 of file dl_path.cc.

                              {
  return GetSkPath().isVolatile();
}

References GetSkPath().

Referenced by flutter::testing::TEST(), and flutter::testing::TEST_F().

◆ MakeArc()

DlPath flutter::DlPath::MakeArc	(	const DlRect &	bounds,
		DlDegrees	start,
		DlDegrees	sweep,
		bool	use_center
	)

static

Definition at line 101 of file dl_path.cc.

                                        {
  SkPath path;
  if (use_center) {
    path.moveTo(ToSkPoint(bounds.GetCenter()));
  }
  path.arcTo(ToSkRect(bounds), start.degrees, sweep.degrees, !use_center);
  if (use_center) {
    path.close();
  }
  return DlPath(path);
}

References impeller::Degrees::degrees, DlPath(), impeller::TRect< T >::GetCenter(), flutter::path, start, flutter::ToSkPoint(), flutter::ToSkRect(), and use_center.

Referenced by impeller::testing::MaskBlurVariantTest(), impeller::testing::TEST_P(), and impeller::testing::TEST_P().

◆ MakeCircle()

DlPath flutter::DlPath::MakeCircle	(	const DlPoint	center,
		DlScalar	radius
	)

static

Definition at line 68 of file dl_path.cc.

                                                               {
  return DlPath(SkPath::Circle(center.x, center.y, radius));
}

References DlPath().

◆ MakeLine()

DlPath flutter::DlPath::MakeLine	(	const DlPoint	a,
		const DlPoint	b
	)

static

Definition at line 89 of file dl_path.cc.

                                                        {
  return DlPath(SkPath::Line(ToSkPoint(a), ToSkPoint(b)));
}

References DlPath(), and flutter::ToSkPoint().

Referenced by impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), impeller::testing::TEST_P(), and impeller::testing::TEST_P().

◆ MakeOval()

DlPath flutter::DlPath::MakeOval ( const DlRect & bounds )

static

Definition at line 57 of file dl_path.cc.

                                            {
  return DlPath(SkPath::Oval(ToSkRect(bounds)));
}

References DlPath(), and flutter::ToSkRect().

Referenced by flutter::testing::TEST(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), and flutter::testing::TEST_F().

◆ MakeOvalLTRB()

DlPath flutter::DlPath::MakeOvalLTRB	(	DlScalar	left,
		DlScalar	top,
		DlScalar	right,
		DlScalar	bottom
	)

static

Definition at line 61 of file dl_path.cc.

                                             {
  return DlPath(SkPath::Oval(SkRect::MakeLTRB(left, top, right, bottom)));
}

References DlPath().

Referenced by flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), and flutter::testing::TEST_F().

◆ MakePoly()

DlPath flutter::DlPath::MakePoly	(	const DlPoint	pts[],
		int	count,
		bool	close,
		DlPathFillType	fill_type = `DlPathFillType::kNonZero`
	)

static

Definition at line 93 of file dl_path.cc.

                                                  {
  return DlPath(SkPath::Polygon({ToSkPoints(pts), count}, close,
                                ToSkFillType(fill_type)));
}

References DlPath(), and flutter::ToSkPoints().

Referenced by impeller::testing::TEST_P().

◆ MakeRect()

DlPath flutter::DlPath::MakeRect ( const DlRect & rect )

static

Definition at line 39 of file dl_path.cc.

                                          {
  return DlPath(SkPath::Rect(ToSkRect(rect)));
}

References DlPath(), and flutter::ToSkRect().

◆ MakeRectLTRB()

DlPath flutter::DlPath::MakeRectLTRB	(	DlScalar	left,
		DlScalar	top,
		DlScalar	right,
		DlScalar	bottom
	)

static

Definition at line 43 of file dl_path.cc.

                                             {
  return DlPath(SkPath().addRect(left, top, right, bottom));
}

References DlPath().

◆ MakeRectXYWH()

DlPath flutter::DlPath::MakeRectXYWH	(	DlScalar	x,
		DlScalar	y,
		DlScalar	width,
		DlScalar	height
	)

static

Definition at line 50 of file dl_path.cc.

                                             {
  return DlPath(SkPath().addRect(SkRect::MakeXYWH(x, y, width, height)));
}

References DlPath(), height, width, x, and y.

Referenced by flutter::testing::MockRasterCache::AddMockPicture(), flutter::testing::TEST_F(), and impeller::testing::TEST_P().

◆ MakeRoundRect()

DlPath flutter::DlPath::MakeRoundRect ( const DlRoundRect & rrect )

static

Definition at line 72 of file dl_path.cc.

                                                     {
  return DlPath(SkPath::RRect(ToSkRRect(rrect)));
}

References DlPath(), and flutter::ToSkRRect().

Referenced by flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), impeller::testing::TEST_P(), and impeller::testing::TEST_P().

◆ MakeRoundRectXY()

DlPath flutter::DlPath::MakeRoundRectXY	(	const DlRect &	rect,
		DlScalar	x_radius,
		DlScalar	y_radius,
		bool	counter_clock_wise = `false`
	)

static

Definition at line 76 of file dl_path.cc.

                                                        {
  return DlPath(SkPath::RRect(
      ToSkRect(rect), x_radius, y_radius,
      counter_clock_wise ? SkPathDirection::kCCW : SkPathDirection::kCW));
}

References DlPath(), and flutter::ToSkRect().

Referenced by flutter::testing::TEST_F(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), impeller::testing::TEST_P(), and impeller::testing::TEST_P().

◆ MakeRoundSuperellipse()

DlPath flutter::DlPath::MakeRoundSuperellipse ( const DlRoundSuperellipse & rse )

static

Definition at line 85 of file dl_path.cc.

                                                                   {
  return DlPathBuilder{}.AddRoundSuperellipse(rse).TakePath();
}

References flutter::DlPathBuilder::AddRoundSuperellipse(), and flutter::DlPathBuilder::TakePath().

Referenced by impeller::testing::TEST_P().

◆ operator+()

DlPath flutter::DlPath::operator+ ( const DlPath & other ) const

Definition at line 261 of file dl_path.cc.

                                                  {
  SkPath path = GetSkPath();
  path.addPath(other.GetSkPath());
  return DlPath(path);
}

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

◆ operator=()

DlPath & flutter::DlPath::operator= ( const DlPath & )

default

◆ operator==()

bool flutter::DlPath::operator== ( const DlPath & other ) const

Definition at line 249 of file dl_path.cc.

                                                 {
  return GetSkPath() == other.GetSkPath();
}

References GetSkPath().

◆ WillRenderSkPath()

void flutter::DlPath::WillRenderSkPath ( ) const

Intent to render an SkPath multiple times will make the path non-volatile to enable caching in Skia. Calling this method before every rendering call that uses the SkPath will count down the uses and eventually reset the volatile flag.

See also: |kMaxVolatileUses|

Definition at line 174 of file dl_path.cc.

                                    {
  uint32_t count = data_->render_count;
  if (count <= kMaxVolatileUses) {
    if (count == kMaxVolatileUses) {
      data_->sk_path.setIsVolatile(false);
    }
    data_->render_count = ++count;
  }
}

References kMaxVolatileUses.

Referenced by flutter::ClipPathLayer::ApplyClip(), and flutter::testing::TEST().

◆ WithFillType()

DlPath flutter::DlPath::WithFillType ( DlPathFillType type ) const

Definition at line 196 of file dl_path.cc.

                                                                   {
  SkPathFillType sk_type = ToSkFillType(type);
  if (data_->sk_path.getFillType() == sk_type) {
    return *this;
  }
  SkPath path = data_->sk_path;
  path.setFillType(sk_type);
  return DlPath(path);
}

References DlPath(), flutter::path, and type.

Referenced by flutter::testing::TEST_F().

◆ WithOffset()

DlPath flutter::DlPath::WithOffset ( const DlPoint offset ) const

Definition at line 184 of file dl_path.cc.

                                                                  {
  if (offset.IsZero()) {
    return *this;
  }
  if (!offset.IsFinite()) {
    return DlPath();
  }
  SkPath path = data_->sk_path;
  path = path.offset(offset.x, offset.y);
  return DlPath(path);
}

References DlPath(), impeller::TPoint< T >::IsFinite(), impeller::TPoint< T >::IsZero(), flutter::path, impeller::TPoint< T >::x, and impeller::TPoint< T >::y.

Member Data Documentation

◆ kMaxVolatileUses

constexpr uint32_t flutter::DlPath::kMaxVolatileUses = 2

staticconstexpr

Definition at line 21 of file dl_path.h.

Referenced by flutter::testing::TEST(), flutter::testing::TEST(), flutter::testing::TEST_F(), flutter::testing::TEST_F(), and WillRenderSkPath().

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

display_list/geometry/dl_path.h
display_list/geometry/dl_path.cc

Public Member Functions

Static Public Member Functions

Static Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ DlPath() [1/4]

◆ DlPath() [2/4]

◆ DlPath() [3/4]

◆ DlPath() [4/4]

◆ ~DlPath()

Member Function Documentation

◆ Contains()

◆ Dispatch()

◆ GetBounds()

◆ GetFillType()

◆ GetSkPath()

◆ IsConvex()

◆ IsEmpty()

◆ IsLine()

◆ IsOval()

◆ IsRect()

◆ IsRoundRect()

◆ IsVolatile()

◆ MakeArc()

◆ MakeCircle()

◆ MakeLine()

◆ MakeOval()

◆ MakeOvalLTRB()

◆ MakePoly()

◆ MakeRect()

◆ MakeRectLTRB()

◆ MakeRectXYWH()

◆ MakeRoundRect()

◆ MakeRoundRectXY()

◆ MakeRoundSuperellipse()

◆ operator+()

◆ operator=()

◆ operator==()

◆ WillRenderSkPath()

◆ WithFillType()

◆ WithOffset()

Member Data Documentation

◆ kMaxVolatileUses