sksg::TransformEffect Class Reference

#include <SkSGTransform.h>

Inheritance diagram for sksg::TransformEffect:

Public Member Functions
	~TransformEffect () override
const sk_sp< Transform > &	getTransform () const
Public Member Functions inherited from sksg::RenderNode
void	render (SkCanvas *, const RenderContext *=nullptr) const
const RenderNode *	nodeAt (const SkPoint &point) const
bool	isVisible () const
void	setVisible (bool)
Public Member Functions inherited from sksg::Node
const SkRect &	revalidate (InvalidationController *, const SkMatrix &)
void	invalidate (bool damage=true)
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Static Public Member Functions
static sk_sp< TransformEffect >	Make (sk_sp< RenderNode > child, sk_sp< Transform > transform)
static sk_sp< TransformEffect >	Make (sk_sp< RenderNode > child, const SkMatrix &m)

Protected Member Functions
void	onRender (SkCanvas *, const RenderContext *) const override
const RenderNode *	onNodeAt (const SkPoint &) const override
SkRect	onRevalidate (InvalidationController *, const SkMatrix &) override
Protected Member Functions inherited from sksg::EffectNode
	EffectNode (sk_sp< RenderNode >, uint32_t inval_traits=0)
	~EffectNode () override
const sk_sp< RenderNode > &	getChild () const
Protected Member Functions inherited from sksg::RenderNode
	RenderNode (uint32_t inval_traits=0)
Protected Member Functions inherited from sksg::Node
	Node (uint32_t invalTraits)
	~Node () override
const SkRect &	bounds () const
bool	hasInval () const
void	observeInval (const sk_sp< Node > &)
void	unobserveInval (const sk_sp< Node > &)

Additional Inherited Members
Protected Types inherited from sksg::Node
enum	InvalTraits { kBubbleDamage_Trait = 1 << 0 , kOverrideDamage_Trait = 1 << 1 }

Detailed Description

Concrete Effect node, binding a Transform to a RenderNode.

Definition at line 95 of file SkSGTransform.h.

Constructor & Destructor Documentation

~TransformEffect()

sksg::TransformEffect::~TransformEffect ( )

override

Definition at line 176 of file SkSGTransform.cpp.

                                  {
    this->unobserveInval(fTransform);
}

Member Function Documentation

getTransform()

const sk_sp< Transform > & sksg::TransformEffect::getTransform ( ) const

inline

Definition at line 109 of file SkSGTransform.h.

{ return fTransform; }

Make() [1/2]

static sk_sp< TransformEffect > sksg::TransformEffect::Make ( sk_sp< RenderNode >  child, const SkMatrix &  m  )

inlinestatic

Definition at line 103 of file SkSGTransform.h.

                                                                                   {
        return Make(std::move(child), Matrix<SkMatrix>::Make(m));
    }

Make() [2/2]

static sk_sp< TransformEffect > sksg::TransformEffect::Make ( sk_sp< RenderNode >  child, sk_sp< Transform >  transform  )

inlinestatic

Definition at line 97 of file SkSGTransform.h.

                                                                                            {
        return child && transform
            ? sk_sp<TransformEffect>(new TransformEffect(std::move(child), std::move(transform)))
            : nullptr;
    }

onNodeAt()

const RenderNode * sksg::TransformEffect::onNodeAt ( const SkPoint &  p ) const

overrideprotectedvirtual

Reimplemented from sksg::EffectNode.

Definition at line 187 of file SkSGTransform.cpp.

                                                                  {
    const auto p4 = TransformPriv::As<SkM44>(fTransform).map(p.fX, p.fY, 0, 0);
 
    return this->INHERITED::onNodeAt({p4.x, p4.y});
}

onRender()

void sksg::TransformEffect::onRender ( SkCanvas *  canvas, const RenderContext *  ctx  ) const

overrideprotectedvirtual

Reimplemented from sksg::EffectNode.

Definition at line 180 of file SkSGTransform.cpp.

                                                                               {
    SkAutoCanvasRestore acr(canvas, true);
    canvas->concat(TransformPriv::As<SkM44>(fTransform));
 
    this->INHERITED::onRender(canvas, ctx);
}

onRevalidate()

SkRect sksg::TransformEffect::onRevalidate ( InvalidationController *  ic, const SkMatrix &  ctm  )

overrideprotectedvirtual

Reimplemented from sksg::EffectNode.

Definition at line 193 of file SkSGTransform.cpp.

                                                                                    {
    SkASSERT(this->hasInval());
 
    // We don't care about matrix reval results.
    fTransform->revalidate(ic, ctm);
 
    // TODO: need to update all the reval plumbing for m44.
    const auto m = TransformPriv::As<SkMatrix>(fTransform);
    auto bounds = this->INHERITED::onRevalidate(ic, SkMatrix::Concat(ctm, m));
    m.mapRect(&bounds);
 
    return bounds;
}

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

• third_party/skia/modules/sksg/include/SkSGTransform.h
• third_party/skia/modules/sksg/src/SkSGTransform.cpp