flutter::DlSkCanvasAdapter Class Reference

Backend implementation of |DlCanvas| for |SkCanvas|. More...

#include <dl_sk_canvas.h>

Inheritance diagram for flutter::DlSkCanvasAdapter:

Public Member Functions
	DlSkCanvasAdapter ()
	DlSkCanvasAdapter (SkCanvas *canvas)
	~DlSkCanvasAdapter () override=default
void	set_canvas (SkCanvas *canvas)
SkCanvas *	canvas ()
DlISize	GetBaseLayerDimensions () const override
SkImageInfo	GetImageInfo () const override
void	Save () override
void	SaveLayer (const std::optional< DlRect > &bounds, const DlPaint *paint=nullptr, const DlImageFilter *backdrop=nullptr, std::optional< int64_t > backdrop_id=std::nullopt) override
void	Restore () override
int	GetSaveCount () const override
void	RestoreToCount (int restore_count) override
void	Translate (DlScalar tx, DlScalar ty) override
void	Scale (DlScalar sx, DlScalar sy) override
void	Rotate (DlScalar degrees) override
void	Skew (DlScalar sx, DlScalar sy) override
void	Transform2DAffine (DlScalar mxx, DlScalar mxy, DlScalar mxt, DlScalar myx, DlScalar myy, DlScalar myt) override
void	TransformFullPerspective (DlScalar mxx, DlScalar mxy, DlScalar mxz, DlScalar mxt, DlScalar myx, DlScalar myy, DlScalar myz, DlScalar myt, DlScalar mzx, DlScalar mzy, DlScalar mzz, DlScalar mzt, DlScalar mwx, DlScalar mwy, DlScalar mwz, DlScalar mwt) override
void	TransformReset () override
void	Transform (const DlMatrix &matrix) override
void	SetTransform (const DlMatrix &matrix) override
DlMatrix	GetMatrix () const override
void	ClipRect (const DlRect &rect, DlClipOp clip_op, bool is_aa) override
void	ClipOval (const DlRect &bounds, DlClipOp clip_op, bool is_aa) override
void	ClipRoundRect (const DlRoundRect &rrect, DlClipOp clip_op, bool is_aa) override
void	ClipRoundSuperellipse (const DlRoundSuperellipse &rse, DlClipOp clip_op, bool is_aa) override
void	ClipPath (const DlPath &path, DlClipOp clip_op, bool is_aa) override
DlRect	GetDestinationClipCoverage () const override
DlRect	GetLocalClipCoverage () const override
bool	QuickReject (const DlRect &bounds) const override
void	DrawPaint (const DlPaint &paint) override
void	DrawColor (DlColor color, DlBlendMode mode) override
void	DrawLine (const DlPoint &p0, const DlPoint &p1, const DlPaint &paint) override
void	DrawDashedLine (const DlPoint &p0, const DlPoint &p1, DlScalar on_length, DlScalar off_length, const DlPaint &paint) override
void	DrawRect (const DlRect &rect, const DlPaint &paint) override
void	DrawOval (const DlRect &bounds, const DlPaint &paint) override
void	DrawCircle (const DlPoint &center, DlScalar radius, const DlPaint &paint) override
void	DrawRoundRect (const DlRoundRect &rrect, const DlPaint &paint) override
void	DrawDiffRoundRect (const DlRoundRect &outer, const DlRoundRect &inner, const DlPaint &paint) override
void	DrawRoundSuperellipse (const DlRoundSuperellipse &rse, const DlPaint &paint) override
void	DrawPath (const DlPath &path, const DlPaint &paint) override
void	DrawArc (const DlRect &bounds, DlScalar start, DlScalar sweep, bool useCenter, const DlPaint &paint) override
void	DrawPoints (DlPointMode mode, uint32_t count, const DlPoint pts[], const DlPaint &paint) override
void	DrawVertices (const std::shared_ptr< DlVertices > &vertices, DlBlendMode mode, const DlPaint &paint) override
void	DrawImage (const sk_sp< DlImage > &image, const DlPoint &point, DlImageSampling sampling, const DlPaint *paint=nullptr) override
void	DrawImageRect (const sk_sp< DlImage > &image, const DlRect &src, const DlRect &dst, DlImageSampling sampling, const DlPaint *paint=nullptr, DlSrcRectConstraint constraint=DlSrcRectConstraint::kFast) override
void	DrawImageNine (const sk_sp< DlImage > &image, const DlIRect &center, const DlRect &dst, DlFilterMode filter, const DlPaint *paint=nullptr) override
void	DrawAtlas (const sk_sp< DlImage > &atlas, const DlRSTransform xform[], const DlRect tex[], const DlColor colors[], int count, DlBlendMode mode, DlImageSampling sampling, const DlRect *cullRect, const DlPaint *paint=nullptr) override
void	DrawDisplayList (const sk_sp< DisplayList > display_list, DlScalar opacity=SK_Scalar1) override
void	DrawText (const std::shared_ptr< DlText > &text, DlScalar x, DlScalar y, const DlPaint &paint) override
void	DrawShadow (const DlPath &path, const DlColor color, const DlScalar elevation, bool transparent_occluder, DlScalar dpr) override
	Draws the shadow of the given |path| rendered in the provided |color| (which is only consulted for its opacity) as would be produced by a directional light source uniformly shining in the device space direction {0, -1, 1} against a backdrop which is |elevation * dpr| device coordinates below the |path| in the Z direction.
void	Flush () override
Public Member Functions inherited from flutter::DlCanvas
virtual	~DlCanvas ()=default
void	Clear (DlColor color)
virtual void	DrawImageRect (const sk_sp< DlImage > &image, const DlIRect &src, const DlRect &dst, DlImageSampling sampling, const DlPaint *paint=nullptr, DlSrcRectConstraint constraint=DlSrcRectConstraint::kFast)
void	DrawImageRect (const sk_sp< DlImage > &image, const DlRect &dst, DlImageSampling sampling, const DlPaint *paint=nullptr, DlSrcRectConstraint constraint=DlSrcRectConstraint::kFast)

Additional Inherited Members
Static Public Member Functions inherited from flutter::DlCanvas
static DlRect	ComputeShadowBounds (const DlPath &path, float elevation, DlScalar dpr, const DlMatrix &ctm)
	Compute the local coverage for a |DrawShadow| operation using the given parameters (excluding the color and the transparent occluder parameters which do not affect the bounds).
Static Public Attributes inherited from flutter::DlCanvas
static constexpr DlScalar	kShadowLightHeight = 600
static constexpr DlScalar	kShadowLightRadius = 800

Detailed Description

Backend implementation of |DlCanvas| for |SkCanvas|.

See also

DlCanvas

Definition at line 23 of file dl_sk_canvas.h.

Constructor & Destructor Documentation

DlSkCanvasAdapter() [1/2]

flutter::DlSkCanvasAdapter::DlSkCanvasAdapter ( )

inline

Definition at line 25 of file dl_sk_canvas.h.

: delegate_(nullptr) {}

DlSkCanvasAdapter() [2/2]

flutter::DlSkCanvasAdapter::DlSkCanvasAdapter ( SkCanvas *  canvas )

inlineexplicit

Definition at line 26 of file dl_sk_canvas.h.

: delegate_(canvas) {}

~DlSkCanvasAdapter()

flutter::DlSkCanvasAdapter::~DlSkCanvasAdapter ( )

overridedefault

Member Function Documentation

canvas()

SkCanvas * flutter::DlSkCanvasAdapter::canvas ( )

inline

Definition at line 30 of file dl_sk_canvas.h.

{ return delegate_; }

Referenced by flutter::testing::DlSurfaceInstanceSkiaBase::FlushSubmitCpuSync(), flutter::testing::DlSurfaceInstanceSkiaBase::GetCanvas(), and set_canvas().

ClipOval()

void flutter::DlSkCanvasAdapter::ClipOval ( const DlRect &  bounds, DlClipOp  clip_op, bool  is_aa  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 149 of file dl_sk_canvas.cc.

                                             {
  delegate_->clipRRect(SkRRect::MakeOval(ToSkRect(bounds)), ToSk(clip_op),
                       is_aa);
}

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

ClipPath()

void flutter::DlSkCanvasAdapter::ClipPath ( const DlPath &  path, DlClipOp  clip_op, bool  is_aa  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 169 of file dl_sk_canvas.cc.

                                             {
  path.WillRenderSkPath();
  delegate_->clipPath(path.GetSkPath(), ToSk(clip_op), is_aa);
}

References flutter::path, and flutter::ToSk().

ClipRect()

void flutter::DlSkCanvasAdapter::ClipRect ( const DlRect &  rect, DlClipOp  clip_op, bool  is_aa  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 143 of file dl_sk_canvas.cc.

                                             {
  delegate_->clipRect(ToSkRect(rect), ToSk(clip_op), is_aa);
}

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

ClipRoundRect()

void flutter::DlSkCanvasAdapter::ClipRoundRect ( const DlRoundRect &  rrect, DlClipOp  clip_op, bool  is_aa  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 156 of file dl_sk_canvas.cc.

                                                  {
  delegate_->clipRRect(ToSkRRect(rrect), ToSk(clip_op), is_aa);
}

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

ClipRoundSuperellipse()

void flutter::DlSkCanvasAdapter::ClipRoundSuperellipse ( const DlRoundSuperellipse &  rse, DlClipOp  clip_op, bool  is_aa  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 162 of file dl_sk_canvas.cc.

                                                          {
  // Skia doesn't support round superellipse, thus fall back to round rectangle.
  delegate_->clipRRect(ToApproximateSkRRect(rse), ToSk(clip_op), is_aa);
}

References flutter::ToApproximateSkRRect(), and flutter::ToSk().

DrawArc()

void flutter::DlSkCanvasAdapter::DrawArc ( const DlRect &  bounds, DlScalar  start, DlScalar  sweep, bool  useCenter, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 258 of file dl_sk_canvas.cc.

                                                      {
  delegate_->drawArc(ToSkRect(bounds), start, sweep, useCenter, ToSk(paint));
}

References start, flutter::ToSk(), and flutter::ToSkRect().

DrawAtlas()

void flutter::DlSkCanvasAdapter::DrawAtlas ( const sk_sp< DlImage > &  atlas, const DlRSTransform  xform[], const DlRect  tex[], const DlColor  colors[], int  count, DlBlendMode  mode, DlImageSampling  sampling, const DlRect *  cullRect, const DlPaint *  paint = nullptr  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 321 of file dl_sk_canvas.cc.

                                                        {
  SkOptionalPaint sk_paint(paint);
  FML_DCHECK(atlas);
  auto skia_atlas = atlas->asSkiaImage();
  FML_DCHECK(skia_atlas);
  std::vector<SkColor> sk_colors;
  sk_colors.reserve(count);
  for (int i = 0; i < count; ++i) {
    sk_colors.push_back(colors[i].argb());
  }
  delegate_->drawAtlas(skia_atlas->skia_image().get(), {ToSk(xform), count},
                       {ToSkRects(tex), count}, {sk_colors.data(), count},
                       ToSk(mode), ToSk(sampling), ToSkRect(cullRect),
                       sk_paint());
}

References FML_DCHECK, i, flutter::mode, flutter::ToSk(), and flutter::ToSkRect().

DrawCircle()

void flutter::DlSkCanvasAdapter::DrawCircle ( const DlPoint &  center, DlScalar  radius, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 230 of file dl_sk_canvas.cc.

                                                         {
  delegate_->drawCircle(ToSkPoint(center), radius, ToSk(paint));
}

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

DrawColor()

void flutter::DlSkCanvasAdapter::DrawColor ( DlColor  color, DlBlendMode  mode  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 201 of file dl_sk_canvas.cc.

                                                                 {
  delegate_->drawColor(ToSkColor4f(color), ToSk(mode));
}

References flutter::mode, flutter::ToSk(), and flutter::ToSkColor4f().

DrawDashedLine()

void flutter::DlSkCanvasAdapter::DrawDashedLine ( const DlPoint &  p0, const DlPoint &  p1, DlScalar  on_length, DlScalar  off_length, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 211 of file dl_sk_canvas.cc.

                                                             {
  SkPaint dashed_paint = ToStrokedSk(paint);
  SkScalar intervals[2] = {on_length, off_length};
  dashed_paint.setPathEffect(SkDashPathEffect::Make({intervals, 2}, 0.0f));
  delegate_->drawLine(ToSkPoint(p0), ToSkPoint(p1), dashed_paint);
}

References p1, flutter::ToSkPoint(), and flutter::ToStrokedSk().

DrawDiffRoundRect()

void flutter::DlSkCanvasAdapter::DrawDiffRoundRect ( const DlRoundRect &  outer, const DlRoundRect &  inner, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 241 of file dl_sk_canvas.cc.

                                                                {
  delegate_->drawDRRect(ToSkRRect(outer), ToSkRRect(inner), ToSk(paint));
}

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

DrawDisplayList()

void flutter::DlSkCanvasAdapter::DrawDisplayList ( const sk_sp< DisplayList >  display_list, DlScalar  opacity = SK_Scalar1  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 345 of file dl_sk_canvas.cc.

                                                          {
  const int restore_count = delegate_->getSaveCount();
 
  // Figure out whether we can apply the opacity during dispatch or
  // if we need a saveLayer.
  if (opacity < SK_Scalar1 && !display_list->can_apply_group_opacity()) {
    TRACE_EVENT0("flutter", "Canvas::saveLayer");
    delegate_->saveLayerAlphaf(ToSkRect(&display_list->GetBounds()), opacity);
    opacity = SK_Scalar1;
  } else {
    delegate_->save();
  }
 
  DlSkCanvasDispatcher dispatcher(delegate_, opacity);
  if (display_list->has_rtree()) {
    display_list->Dispatch(dispatcher,
                           ToDlRect(delegate_->getLocalClipBounds()));
  } else {
    display_list->Dispatch(dispatcher);
  }
 
  delegate_->restoreToCount(restore_count);
}

References flutter::ToDlRect(), flutter::ToSkRect(), and TRACE_EVENT0.

Referenced by flutter::SnapshotControllerSkia::MakeSkiaSnapshotSync().

DrawImage()

void flutter::DlSkCanvasAdapter::DrawImage ( const sk_sp< DlImage > &  image, const DlPoint &  point, DlImageSampling  sampling, const DlPaint *  paint = nullptr  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 281 of file dl_sk_canvas.cc.

                                                        {
  SkOptionalPaint sk_paint(paint);
  FML_DCHECK(image);
  auto skia_image = image->asSkiaImage();
  FML_DCHECK(skia_image);
  delegate_->drawImage(skia_image->skia_image().get(), point.x, point.y,
                       ToSk(sampling), sk_paint());
}

References FML_DCHECK, image, flutter::ToSk(), impeller::TPoint< T >::x, and impeller::TPoint< T >::y.

DrawImageNine()

void flutter::DlSkCanvasAdapter::DrawImageNine ( const sk_sp< DlImage > &  image, const DlIRect &  center, const DlRect &  dst, DlFilterMode  filter, const DlPaint *  paint = nullptr  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 308 of file dl_sk_canvas.cc.

                                                            {
  SkOptionalPaint sk_paint(paint);
  FML_DCHECK(image);
  auto skia_image = image->asSkiaImage();
  FML_DCHECK(skia_image);
  delegate_->drawImageNine(skia_image->skia_image().get(), ToSkIRect(center),
                           ToSkRect(dst), ToSk(filter), sk_paint());
}

References FML_DCHECK, image, flutter::ToSk(), flutter::ToSkIRect(), and flutter::ToSkRect().

DrawImageRect()

void flutter::DlSkCanvasAdapter::DrawImageRect ( const sk_sp< DlImage > &  image, const DlRect &  src, const DlRect &  dst, DlImageSampling  sampling, const DlPaint *  paint = nullptr, DlSrcRectConstraint  constraint = DlSrcRectConstraint::kFast  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 293 of file dl_sk_canvas.cc.

                                                                      {
  SkOptionalPaint sk_paint(paint);
  FML_DCHECK(image);
  auto skia_image = image->asSkiaImage();
  FML_DCHECK(skia_image);
  delegate_->drawImageRect(skia_image->skia_image().get(), ToSkRect(src),
                           ToSkRect(dst), ToSk(sampling), sk_paint(),
                           ToSk(constraint));
}

References FML_DCHECK, image, flutter::ToSk(), and flutter::ToSkRect().

DrawLine()

void flutter::DlSkCanvasAdapter::DrawLine ( const DlPoint &  p0, const DlPoint &  p1, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 205 of file dl_sk_canvas.cc.

                                                       {
  delegate_->drawLine(ToSkPoint(p0), ToSkPoint(p1), ToStrokedSk(paint));
}

References p1, flutter::ToSkPoint(), and flutter::ToStrokedSk().

DrawOval()

void flutter::DlSkCanvasAdapter::DrawOval ( const DlRect &  bounds, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 226 of file dl_sk_canvas.cc.

                                                                           {
  delegate_->drawOval(ToSkRect(bounds), ToSk(paint));
}

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

DrawPaint()

void flutter::DlSkCanvasAdapter::DrawPaint ( const DlPaint &  paint )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 197 of file dl_sk_canvas.cc.

                                                      {
  delegate_->drawPaint(ToSk(paint));
}

References flutter::ToSk().

DrawPath()

void flutter::DlSkCanvasAdapter::DrawPath ( const DlPath &  path, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 253 of file dl_sk_canvas.cc.

                                                                         {
  path.WillRenderSkPath();
  delegate_->drawPath(path.GetSkPath(), ToSk(paint));
}

References flutter::path, and flutter::ToSk().

DrawPoints()

void flutter::DlSkCanvasAdapter::DrawPoints ( DlPointMode  mode, uint32_t  count, const DlPoint  pts[], const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 266 of file dl_sk_canvas.cc.

                                                         {
  delegate_->drawPoints(ToSk(mode), {ToSkPoints(pts), count},
                        ToStrokedSk(paint));
}

References flutter::mode, flutter::ToSk(), flutter::ToSkPoints(), and flutter::ToStrokedSk().

DrawRect()

void flutter::DlSkCanvasAdapter::DrawRect ( const DlRect &  rect, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 222 of file dl_sk_canvas.cc.

                                                                         {
  delegate_->drawRect(ToSkRect(rect), ToSk(paint));
}

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

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

DrawRoundRect()

void flutter::DlSkCanvasAdapter::DrawRoundRect ( const DlRoundRect &  rrect, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 236 of file dl_sk_canvas.cc.

                                                            {
  delegate_->drawRRect(ToSkRRect(rrect), ToSk(paint));
}

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

DrawRoundSuperellipse()

void flutter::DlSkCanvasAdapter::DrawRoundSuperellipse ( const DlRoundSuperellipse &  rse, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 247 of file dl_sk_canvas.cc.

                                                                    {
  // Skia doesn't support round superellipse, thus fall back to round rectangle.
  delegate_->drawRRect(ToApproximateSkRRect(rse), ToSk(paint));
}

References flutter::ToApproximateSkRRect(), and flutter::ToSk().

DrawShadow()

void flutter::DlSkCanvasAdapter::DrawShadow ( const DlPath &  path, const DlColor  color, const DlScalar  elevation, bool  transparent_occluder, DlScalar  dpr  )

overridevirtual

Draws the shadow of the given |path| rendered in the provided |color| (which is only consulted for its opacity) as would be produced by a directional light source uniformly shining in the device space direction {0, -1, 1} against a backdrop which is |elevation * dpr| device coordinates below the |path| in the Z direction.

Normally the renderer might consider omitting the rendering of any of the shadow pixels that fall under the |path| itself, as an optimization, unless the |transparent_occluder| flag is specified which would indicate that the optimization isn't appropriate.

Note that the |elevation| and |dpr| are unique in the API for being considered in pure device coordinates while the |path| is interpreted relative to the current local-to-device transform.

See also

|ComputeShadowBounds|

Implements flutter::DlCanvas.

Definition at line 379 of file dl_sk_canvas.cc.

                                                 {
  path.WillRenderSkPath();
  DlSkCanvasDispatcher::DrawShadow(delegate_, path.GetSkPath(), color,
                                   elevation, transparent_occluder, dpr);
}

References flutter::DlSkCanvasDispatcher::DrawShadow(), and flutter::path.

DrawText()

void flutter::DlSkCanvasAdapter::DrawText ( const std::shared_ptr< DlText > &  text, DlScalar  x, DlScalar  y, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 370 of file dl_sk_canvas.cc.

                                                       {
  auto blob = text->GetTextBlob();
  FML_CHECK(blob) << "Impeller DlText cannot be drawn to a Skia canvas.";
  delegate_->drawTextBlob(blob, x, y, ToSk(paint));
}

References FML_CHECK, text, flutter::ToSk(), x, and y.

DrawVertices()

void flutter::DlSkCanvasAdapter::DrawVertices ( const std::shared_ptr< DlVertices > &  vertices, DlBlendMode  mode, const DlPaint &  paint  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 274 of file dl_sk_canvas.cc.

                          {
  delegate_->drawVertices(ToSk(vertices), ToSk(mode), ToSk(paint));
}

References flutter::mode, and flutter::ToSk().

Flush()

void flutter::DlSkCanvasAdapter::Flush ( )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 389 of file dl_sk_canvas.cc.

                              {
#if defined(SK_GANESH)
  auto dContext = GrAsDirectContext(delegate_->recordingContext());
 
  if (dContext) {
    dContext->flushAndSubmit();
  }
#endif  // defined(SK_GANESH)
}

GetBaseLayerDimensions()

DlISize flutter::DlSkCanvasAdapter::GetBaseLayerDimensions ( ) const

overridevirtual

Implements flutter::DlCanvas.

Definition at line 46 of file dl_sk_canvas.cc.

                                                        {
  return ToDlISize(delegate_->getBaseLayerSize());
}

References flutter::ToDlISize().

GetDestinationClipCoverage()

DlRect flutter::DlSkCanvasAdapter::GetDestinationClipCoverage ( ) const

overridevirtual

Conservative estimate of the bounds of all outstanding clip operations measured in the coordinate space within which this DisplayList will be rendered.

Implements flutter::DlCanvas.

Definition at line 179 of file dl_sk_canvas.cc.

                                                           {
  return ToDlRect(delegate_->getDeviceClipBounds());
}

References flutter::ToDlRect().

GetImageInfo()

SkImageInfo flutter::DlSkCanvasAdapter::GetImageInfo ( ) const

overridevirtual

Implements flutter::DlCanvas.

Definition at line 50 of file dl_sk_canvas.cc.

                                                  {
  return delegate_->imageInfo();
}

GetLocalClipCoverage()

DlRect flutter::DlSkCanvasAdapter::GetLocalClipCoverage ( ) const

overridevirtual

Conservative estimate of the bounds of all outstanding clip operations transformed into the local coordinate space in which currently recorded rendering operations are interpreted.

Implements flutter::DlCanvas.

Definition at line 186 of file dl_sk_canvas.cc.

                                                     {
  return ToDlRect(delegate_->getLocalClipBounds());
}

References flutter::ToDlRect().

GetMatrix()

DlMatrix flutter::DlSkCanvasAdapter::GetMatrix ( ) const

overridevirtual

Returns the 4x4 full perspective transform representing all transform operations executed so far in this DisplayList within the enclosing save stack.

Implements flutter::DlCanvas.

Definition at line 139 of file dl_sk_canvas.cc.

                                            {
  return ToDlMatrix(delegate_->getLocalToDevice());
}

References flutter::ToDlMatrix().

GetSaveCount()

int flutter::DlSkCanvasAdapter::GetSaveCount ( ) const

overridevirtual

Implements flutter::DlCanvas.

Definition at line 77 of file dl_sk_canvas.cc.

                                          {
  return delegate_->getSaveCount();
}

QuickReject()

bool flutter::DlSkCanvasAdapter::QuickReject ( const DlRect &  bounds ) const

overridevirtual

Return true iff the supplied bounds are easily shown to be outside of the current clip bounds. This method may conservatively return false if it cannot make the determination.

Implements flutter::DlCanvas.

Definition at line 193 of file dl_sk_canvas.cc.

                                                              {
  return delegate_->quickReject(ToSkRect(bounds));
}

References flutter::ToSkRect().

Restore()

void flutter::DlSkCanvasAdapter::Restore ( )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 73 of file dl_sk_canvas.cc.

                                {
  delegate_->restore();
}

RestoreToCount()

void flutter::DlSkCanvasAdapter::RestoreToCount ( int  restore_count )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 81 of file dl_sk_canvas.cc.

                                                        {
  delegate_->restoreToCount(restore_count);
}

Rotate()

void flutter::DlSkCanvasAdapter::Rotate ( DlScalar  degrees )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 93 of file dl_sk_canvas.cc.

                                               {
  delegate_->rotate(degrees);
}

Save()

void flutter::DlSkCanvasAdapter::Save ( )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 54 of file dl_sk_canvas.cc.

                             {
  delegate_->save();
}

SaveLayer()

void flutter::DlSkCanvasAdapter::SaveLayer ( const std::optional< DlRect > &  bounds, const DlPaint *  paint = nullptr, const DlImageFilter *  backdrop = nullptr, std::optional< int64_t >  backdrop_id = std::nullopt  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 58 of file dl_sk_canvas.cc.

                                                                    {
  sk_sp<SkImageFilter> sk_backdrop = ToSk(backdrop);
  SkOptionalPaint sk_paint(paint);
  TRACE_EVENT0("flutter", "Canvas::saveLayer");
  SkCanvas::SaveLayerRec params(ToSkRect(bounds), sk_paint(), sk_backdrop.get(),
                                0);
  if (sk_backdrop && backdrop->asBlur()) {
    params.fBackdropTileMode = ToSk(backdrop->asBlur()->tile_mode());
  }
  delegate_->saveLayer(params);
}

References flutter::DlImageFilter::asBlur(), params, flutter::DlBlurImageFilter::tile_mode(), flutter::ToSk(), flutter::ToSkRect(), and TRACE_EVENT0.

Scale()

void flutter::DlSkCanvasAdapter::Scale ( DlScalar  sx, DlScalar  sy  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 89 of file dl_sk_canvas.cc.

                                                      {
  delegate_->scale(sx, sy);
}

set_canvas()

void flutter::DlSkCanvasAdapter::set_canvas

(

SkCanvas *

canvas

)

Definition at line 42 of file dl_sk_canvas.cc.

                                                   {
  delegate_ = canvas;
}

References canvas().

Referenced by flutter::CanvasSpy::CanvasSpy(), flutter::testing::DlSurfaceInstanceSkiaBase::GetCanvas(), flutter::OffscreenSurface::OffscreenSurface(), and flutter::SurfaceFrame::SurfaceFrame().

SetTransform()

void flutter::DlSkCanvasAdapter::SetTransform ( const DlMatrix &  matrix )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 132 of file dl_sk_canvas.cc.

                                                           {
  delegate_->setMatrix(ToSkM44(matrix));
}

References flutter::ToSkM44().

Skew()

void flutter::DlSkCanvasAdapter::Skew ( DlScalar  sx, DlScalar  sy  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 97 of file dl_sk_canvas.cc.

                                                     {
  delegate_->skew(sx, sy);
}

Transform()

void flutter::DlSkCanvasAdapter::Transform ( const DlMatrix &  matrix )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 128 of file dl_sk_canvas.cc.

                                                        {
  delegate_->concat(ToSkM44(matrix));
}

References flutter::ToSkM44().

Referenced by flutter::RasterCache::Rasterize().

Transform2DAffine()

void flutter::DlSkCanvasAdapter::Transform2DAffine ( DlScalar  mxx, DlScalar  mxy, DlScalar  mxt, DlScalar  myx, DlScalar  myy, DlScalar  myt  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 104 of file dl_sk_canvas.cc.

                                              {
  delegate_->concat(SkMatrix::MakeAll(mxx, mxy, mxt, myx, myy, myt, 0, 0, 1));
}

TransformFullPerspective()

void flutter::DlSkCanvasAdapter::TransformFullPerspective ( DlScalar  mxx, DlScalar  mxy, DlScalar  mxz, DlScalar  mxt, DlScalar  myx, DlScalar  myy, DlScalar  myz, DlScalar  myt, DlScalar  mzx, DlScalar  mzy, DlScalar  mzz, DlScalar  mzt, DlScalar  mwx, DlScalar  mwy, DlScalar  mwz, DlScalar  mwt  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 111 of file dl_sk_canvas.cc.

                                                            {
  delegate_->concat(SkM44(mxx, mxy, mxz, mxt,
                          myx, myy, myz, myt,
                          mzx, mzy, mzz, mzt,
                          mwx, mwy, mwz, mwt));
}

TransformReset()

void flutter::DlSkCanvasAdapter::TransformReset ( )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 124 of file dl_sk_canvas.cc.

                                       {
  delegate_->resetMatrix();
}

Translate()

void flutter::DlSkCanvasAdapter::Translate ( DlScalar  tx, DlScalar  ty  )

overridevirtual

Implements flutter::DlCanvas.

Definition at line 85 of file dl_sk_canvas.cc.

                                                          {
  delegate_->translate(tx, ty);
}

Referenced by flutter::RasterCache::Rasterize().

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

• display_list/skia/dl_sk_canvas.h
• display_list/skia/dl_sk_canvas.cc