SkLine2DPathEffectImpl Class Reference

Inheritance diagram for SkLine2DPathEffectImpl:

Public Member Functions
	SkLine2DPathEffectImpl (SkScalar width, const SkMatrix &matrix)
bool	onFilterPath (SkPath *dst, const SkPath &src, SkStrokeRec *rec, const SkRect *cullRect, const SkMatrix &ctm) const override
void	nextSpan (int u, int v, int ucount, SkPath *dst) const override
void	flatten (SkWriteBuffer &buffer) const override
Factory	getFactory () const override
const char *	getTypeName () const override
Public Member Functions inherited from Sk2DPathEffect
	Sk2DPathEffect (const SkMatrix &mat)
Public Member Functions inherited from SkPathEffectBase
	SkPathEffectBase ()
bool	asPoints (PointData *results, const SkPath &src, const SkStrokeRec &, const SkMatrix &, const SkRect *cullR) const
SkFlattenable::Type	getFlattenableType () const override
virtual bool	onFilterPath (SkPath *, const SkPath &, SkStrokeRec *, const SkRect *, const SkMatrix &) const =0
virtual bool	onNeedsCTM () const
virtual bool	onAsPoints (PointData *, const SkPath &, const SkStrokeRec &, const SkMatrix &, const SkRect *) const
virtual DashType	onAsADash (DashInfo *) const
virtual bool	computeFastBounds (SkRect *bounds) const =0
Public Member Functions inherited from SkPathEffect
DashType	asADash (DashInfo *info) const
bool	filterPath (SkPath *dst, const SkPath &src, SkStrokeRec *, const SkRect *cullR) const
bool	filterPath (SkPath *dst, const SkPath &src, SkStrokeRec *, const SkRect *cullR, const SkMatrix &ctm) const
bool	needsCTM () const
Public Member Functions inherited from SkFlattenable
	SkFlattenable ()
virtual Factory	getFactory () const =0
virtual const char *	getTypeName () const =0
virtual void	flatten (SkWriteBuffer &) const
virtual Type	getFlattenableType () const =0
sk_sp< SkData >	serialize (const SkSerialProcs *=nullptr) const
size_t	serialize (void *memory, size_t memory_size, const SkSerialProcs *=nullptr) const
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< SkFlattenable >	CreateProc (SkReadBuffer &buffer)
Static Public Member Functions inherited from SkPathEffectBase
static sk_sp< SkPathEffect >	Deserialize (const void *data, size_t size, const SkDeserialProcs *procs=nullptr)
static void	RegisterFlattenables ()
Static Public Member Functions inherited from SkPathEffect
static sk_sp< SkPathEffect >	MakeSum (sk_sp< SkPathEffect > first, sk_sp< SkPathEffect > second)
static sk_sp< SkPathEffect >	MakeCompose (sk_sp< SkPathEffect > outer, sk_sp< SkPathEffect > inner)
static SkFlattenable::Type	GetFlattenableType ()
static sk_sp< SkPathEffect >	Deserialize (const void *data, size_t size, const SkDeserialProcs *procs=nullptr)
Static Public Member Functions inherited from SkFlattenable
static Factory	NameToFactory (const char name[])
static const char *	FactoryToName (Factory)
static void	Register (const char name[], Factory)
static sk_sp< SkFlattenable >	Deserialize (Type, const void *data, size_t length, const SkDeserialProcs *procs=nullptr)

Additional Inherited Members
Public Types inherited from SkPathEffect
enum	DashType { kNone_DashType , kDash_DashType }
Public Types inherited from SkFlattenable
enum	Type {   kSkColorFilter_Type , kSkBlender_Type , kSkDrawable_Type , kSkDrawLooper_Type ,   kSkImageFilter_Type , kSkMaskFilter_Type , kSkPathEffect_Type , kSkShader_Type }
typedef sk_sp< SkFlattenable >(*	Factory) (SkReadBuffer &)
Protected Member Functions inherited from Sk2DPathEffect
virtual void	begin (const SkIRect &uvBounds, SkPath *dst) const
virtual void	next (const SkPoint &loc, int u, int v, SkPath *dst) const
virtual void	end (SkPath *dst) const
virtual void	nextSpan (int x, int y, int ucount, SkPath *path) const
const SkMatrix &	getMatrix () const
void	flatten (SkWriteBuffer &buffer) const override
bool	onFilterPath (SkPath *dst, const SkPath &src, SkStrokeRec *rec, const SkRect *cullRect, const SkMatrix &) const override

Detailed Description

Definition at line 120 of file Sk2DPathEffect.cpp.

Constructor & Destructor Documentation

SkLine2DPathEffectImpl()

SkLine2DPathEffectImpl::SkLine2DPathEffectImpl ( SkScalar  width, const SkMatrix &  matrix  )

inline

Definition at line 122 of file Sk2DPathEffect.cpp.

        : Sk2DPathEffect(matrix)
        , fWidth(width)
    {
        SkASSERT(width >= 0);
    }

Member Function Documentation

CreateProc()

static sk_sp< SkFlattenable > SkLine2DPathEffectImpl::CreateProc ( SkReadBuffer &  buffer )

inlinestatic

Definition at line 151 of file Sk2DPathEffect.cpp.

                                                                 {
        SkMatrix matrix;
        buffer.readMatrix(&matrix);
        SkScalar width = buffer.readScalar();
        return SkLine2DPathEffect::Make(width, matrix);
    }

flatten()

void SkLine2DPathEffectImpl::flatten ( SkWriteBuffer &  ) const

inlineoverridevirtual

Override this if your subclass needs to record data that it will need to recreate itself from its CreateProc (returned by getFactory()).

DEPRECATED public : will move to protected ... use serialize() instead

Reimplemented from Sk2DPathEffect.

Definition at line 158 of file Sk2DPathEffect.cpp.

                                                       {
        buffer.writeMatrix(this->getMatrix());
        buffer.writeScalar(fWidth);
    }

getFactory()

Factory SkLine2DPathEffectImpl::getFactory ( ) const

inlineoverridevirtual

Implement this to return a factory function pointer that can be called to recreate your class given a buffer (previously written to by your override of flatten().

Implements SkFlattenable.

Definition at line 163 of file Sk2DPathEffect.cpp.

{ return CreateProc; }

getTypeName()

const char * SkLine2DPathEffectImpl::getTypeName ( ) const

inlineoverridevirtual

Returns the name of the object's class.

Implements SkFlattenable.

Definition at line 164 of file Sk2DPathEffect.cpp.

{ return "SkLine2DPathEffect"; }

nextSpan()

void SkLine2DPathEffectImpl::nextSpan ( int  x, int  y, int  ucount, SkPath *  path  ) const

inlineoverridevirtual

Low-level virtual called per span of locations in the u-direction. The default implementation calls next() repeatedly with each location.

Reimplemented from Sk2DPathEffect.

Definition at line 138 of file Sk2DPathEffect.cpp.

                                                                        {
        if (ucount > 1) {
            SkPoint    src[2], dstP[2];
 
            src[0].set(SkIntToScalar(u) + SK_ScalarHalf, SkIntToScalar(v) + SK_ScalarHalf);
            src[1].set(SkIntToScalar(u+ucount) + SK_ScalarHalf, SkIntToScalar(v) + SK_ScalarHalf);
            this->getMatrix().mapPoints(dstP, src, 2);
 
            dst->moveTo(dstP[0]);
            dst->lineTo(dstP[1]);
        }
    }

onFilterPath()

bool SkLine2DPathEffectImpl::onFilterPath ( SkPath *  , const SkPath &  , SkStrokeRec *  , const SkRect *  , const SkMatrix &    ) const

inlineoverridevirtual

Filter the input path.

The CTM parameter is provided for path effects that can use the information. The output of path effects must always be in the original (input) coordinate system, regardless of whether the path effect uses the CTM or not.

Reimplemented from Sk2DPathEffect.

Definition at line 129 of file Sk2DPathEffect.cpp.

                                                                                  {
        if (this->INHERITED::onFilterPath(dst, src, rec, cullRect, ctm)) {
            rec->setStrokeStyle(fWidth);
            return true;
        }
        return false;
    }

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

• third_party/skia/src/effects/Sk2DPathEffect.cpp