SkBlendModeColorFilter Class Reference

#include <SkBlendModeColorFilter.h>

Inheritance diagram for SkBlendModeColorFilter:

Public Member Functions
	SkBlendModeColorFilter (const SkColor4f &color, SkBlendMode mode)
bool	appendStages (const SkStageRec &rec, bool shaderIsOpaque) const override
bool	onIsAlphaUnchanged () const override
SkColorFilterBase::Type	type () const override
SkColor4f	color () const
SkBlendMode	mode () const
Public Member Functions inherited from SkColorFilterBase
bool	affectsTransparentBlack () const
virtual SkRuntimeEffect *	asRuntimeEffect () const
SkFlattenable::Type	getFlattenableType () const override
virtual SkPMColor4f	onFilterColor4f (const SkPMColor4f &color, SkColorSpace *dstCS) const
Public Member Functions inherited from SkColorFilter
bool	asAColorMode (SkColor *color, SkBlendMode *mode) const
bool	asAColorMatrix (float matrix[20]) const
bool	isAlphaUnchanged () const
SkColor	filterColor (SkColor) const
SkColor4f	filterColor4f (const SkColor4f &srcColor, SkColorSpace *srcCS, SkColorSpace *dstCS) const
sk_sp< SkColorFilter >	makeComposed (sk_sp< SkColorFilter > inner) const
sk_sp< SkColorFilter >	makeWithWorkingColorSpace (sk_sp< SkColorSpace >) const
Public Member Functions inherited from SkFlattenable
	SkFlattenable ()
virtual Factory	getFactory () const =0
virtual const char *	getTypeName () 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

Private Member Functions
void	flatten (SkWriteBuffer &) const override
bool	onAsAColorMode (SkColor *, SkBlendMode *) const override

Additional Inherited Members
Public Types inherited from SkColorFilterBase
enum class	Type { kNoop , M }
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 &)
Static Public Member Functions inherited from SkColorFilterBase
static SkFlattenable::Type	GetFlattenableType ()
static sk_sp< SkColorFilter >	Deserialize (const void *data, size_t size, const SkDeserialProcs *procs=nullptr)
Static Public Member Functions inherited from SkColorFilter
static sk_sp< SkColorFilter >	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)
Protected Member Functions inherited from SkColorFilterBase
	SkColorFilterBase ()
virtual bool	onAsAColorMatrix (float[20]) const

Detailed Description

Definition at line 19 of file SkBlendModeColorFilter.h.

Constructor & Destructor Documentation

SkBlendModeColorFilter()

SkBlendModeColorFilter::SkBlendModeColorFilter	(	const SkColor4f &	color,
		SkBlendMode	mode
	)

Definition at line 35 of file SkBlendModeColorFilter.cpp.

        : fColor(color), fMode(mode) {}

Member Function Documentation

appendStages()

bool SkBlendModeColorFilter::appendStages ( const SkStageRec &  rec, bool  shaderIsOpaque  ) const

overridevirtual

Implements SkColorFilterBase.

Definition at line 79 of file SkBlendModeColorFilter.cpp.

                                                                                          {
    rec.fPipeline->append(SkRasterPipelineOp::move_src_dst);
    SkPMColor4f color = map_color(fColor, sk_srgb_singleton(), rec.fDstCS);
    rec.fPipeline->appendConstantColor(rec.fAlloc, color.vec());
    SkBlendMode_AppendStages(fMode, rec.fPipeline);
    return true;
}

color()

SkColor4f SkBlendModeColorFilter::color ( ) const

inline

Definition at line 29 of file SkBlendModeColorFilter.h.

{ return fColor; }

flatten()

void SkBlendModeColorFilter::flatten ( SkWriteBuffer &  ) const

overrideprivatevirtual

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 SkFlattenable.

Definition at line 59 of file SkBlendModeColorFilter.cpp.

                                                                {
    buffer.writeColor4f(fColor);
    buffer.writeUInt((int)fMode);
}

mode()

SkBlendMode SkBlendModeColorFilter::mode ( ) const

inline

Definition at line 30 of file SkBlendModeColorFilter.h.

{ return fMode; }

onAsAColorMode()

bool SkBlendModeColorFilter::onAsAColorMode ( SkColor *  color, SkBlendMode *  mode  ) const

overrideprivatevirtual

Reimplemented from SkColorFilterBase.

Definition at line 38 of file SkBlendModeColorFilter.cpp.

                                                                                   {
    if (color) {
        *color = fColor.toSkColor();
    }
    if (mode) {
        *mode = fMode;
    }
    return true;
}

onIsAlphaUnchanged()

bool SkBlendModeColorFilter::onIsAlphaUnchanged ( ) const

overridevirtual

Returns the flags for this filter. Override in subclasses to return custom flags.

< [Da, Dc]

< [Da, Sc * Da + (1 - Sa) * Dc]

Reimplemented from SkColorFilterBase.

Definition at line 48 of file SkBlendModeColorFilter.cpp.

                                                      {
    switch (fMode) {
        case SkBlendMode::kDst:      //!< [Da, Dc]
        case SkBlendMode::kSrcATop:  //!< [Da, Sc * Da + (1 - Sa) * Dc]
            return true;
        default:
            break;
    }
    return false;
}

type()

SkColorFilterBase::Type SkBlendModeColorFilter::type ( ) const

inlineoverridevirtual

Implements SkColorFilterBase.

Definition at line 27 of file SkBlendModeColorFilter.h.

{ return SkColorFilterBase::Type::kBlendMode; }

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

• third_party/skia/src/effects/colorfilters/SkBlendModeColorFilter.h
• third_party/skia/src/effects/colorfilters/SkBlendModeColorFilter.cpp