#include <SkColorFilterBase.h>

Inheritance diagram for SkColorFilterBase:

Public Types
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 &)

Public Member Functions
virtual bool	appendStages (const SkStageRec &rec, bool shaderIsOpaque) const =0

virtual bool	onIsAlphaUnchanged () const

virtual Type	type () const =0

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

virtual void	flatten (SkWriteBuffer &) const

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 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
	SkColorFilterBase ()

virtual bool	onAsAColorMatrix (float[20]) const

virtual bool	onAsAColorMode (SkColor color, SkBlendMode bmode) const

Friends
class	SkColorFilter

Detailed Description

Definition at line 35 of file SkColorFilterBase.h.

Member Enumeration Documentation

◆ Type

enum class SkColorFilterBase::Type

strong

Enumerator
kNoop
M

Definition at line 43 of file SkColorFilterBase.h.

                    {
        // Used for stubs/tests
        kNoop,
#define M(type) k##type,
        SK_ALL_COLOR_FILTERS(M)
#undef M
 
    };

Constructor & Destructor Documentation

◆ SkColorFilterBase()

SkColorFilterBase::SkColorFilterBase ( )

inlineprotected

Definition at line 79 of file SkColorFilterBase.h.

79{}

Member Function Documentation

◆ affectsTransparentBlack()

bool SkColorFilterBase::affectsTransparentBlack ( ) const

inline

Definition at line 54 of file SkColorFilterBase.h.

                                         {
        return this->filterColor4f(SkColors::kTransparent, nullptr, nullptr) !=
               SkColors::kTransparent;
    }

◆ appendStages()

virtual bool SkColorFilterBase::appendStages	(	const SkStageRec &	rec,
		bool	shaderIsOpaque
	)		const

pure virtual

Implemented in FailureColorFilter, SkBlendModeColorFilter, SkColorSpaceXformColorFilter, SkComposeColorFilter, SkGaussianColorFilter, SkMatrixColorFilter, SkTableColorFilter, SkWorkingFormatColorFilter, and SkRuntimeColorFilter.

◆ asRuntimeEffect()

virtual SkRuntimeEffect * SkColorFilterBase::asRuntimeEffect ( ) const

inlinevirtual

Reimplemented in SkRuntimeColorFilter.

Definition at line 59 of file SkColorFilterBase.h.

59{ return nullptr; }

◆ Deserialize()

static sk_sp< SkColorFilter > SkColorFilterBase::Deserialize	(	const void *	data,
		size_t	size,
		const SkDeserialProcs *	procs = `nullptr`
	)

inlinestatic

Definition at line 69 of file SkColorFilterBase.h.

                                                                                  {
        return sk_sp<SkColorFilter>(static_cast<SkColorFilter*>(
                                  SkFlattenable::Deserialize(
                                  kSkColorFilter_Type, data, size, procs).release()));
    }

◆ GetFlattenableType()

static SkFlattenable::Type SkColorFilterBase::GetFlattenableType ( )

inlinestatic

Definition at line 61 of file SkColorFilterBase.h.

                                                  {
        return kSkColorFilter_Type;
    }

◆ getFlattenableType()

SkFlattenable::Type SkColorFilterBase::getFlattenableType ( ) const

inlineoverridevirtual

Implements SkFlattenable.

Definition at line 65 of file SkColorFilterBase.h.

                                                          {
        return kSkColorFilter_Type;
    }

◆ onAsAColorMatrix()

bool SkColorFilterBase::onAsAColorMatrix ( float matrix[20] ) const

protectedvirtual

Reimplemented in SkMatrixColorFilter.

Definition at line 29 of file SkColorFilterBase.cpp.

                                                               {
    return false;
}

◆ onAsAColorMode()

bool SkColorFilterBase::onAsAColorMode	(	SkColor *	color,
		SkBlendMode *	bmode
	)		const

protectedvirtual

Reimplemented in SkBlendModeColorFilter.

Definition at line 25 of file SkColorFilterBase.cpp.

                                                                   {
    return false;
}

◆ onFilterColor4f()

SkPMColor4f SkColorFilterBase::onFilterColor4f	(	const SkPMColor4f &	color,
		SkColorSpace *	dstCS
	)		const

virtual

Reimplemented in SkWorkingFormatColorFilter.

Definition at line 33 of file SkColorFilterBase.cpp.

                                                                          {
    constexpr size_t kEnoughForCommonFilters = 2048;  // big enough for a tiny SkSL program
    SkSTArenaAlloc<kEnoughForCommonFilters> alloc;
    SkRasterPipeline    pipeline(&alloc);
    pipeline.appendConstantColor(&alloc, color.vec());
    SkSurfaceProps props{}; // default OK; colorFilters don't render text
    SkStageRec rec = {&pipeline, &alloc, kRGBA_F32_SkColorType, dstCS, color.unpremul(), props};
 
    if (as_CFB(this)->appendStages(rec, color.fA == 1)) {
        SkPMColor4f dst;
        SkRasterPipeline_MemoryCtx dstPtr = { &dst, 0 };
        pipeline.append(SkRasterPipelineOp::store_f32, &dstPtr);
        pipeline.run(0,0, 1,1);
        return dst;
    }
 
    SkDEBUGFAIL("onFilterColor4f unimplemented for this filter");
    return SkPMColor4f{0,0,0,0};
}

◆ onIsAlphaUnchanged()

virtual bool SkColorFilterBase::onIsAlphaUnchanged ( ) const

inlinevirtual

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

Reimplemented in SkBlendModeColorFilter, SkComposeColorFilter, SkMatrixColorFilter, SkRuntimeColorFilter, and SkWorkingFormatColorFilter.

Definition at line 41 of file SkColorFilterBase.h.

41{ return false; }

◆ type()

virtual Type SkColorFilterBase::type ( ) const

pure virtual

Implemented in SkBlendModeColorFilter, SkColorSpaceXformColorFilter, SkComposeColorFilter, SkGaussianColorFilter, SkMatrixColorFilter, SkRuntimeColorFilter, SkTableColorFilter, SkWorkingFormatColorFilter, and FailureColorFilter.

Friends And Related Symbol Documentation

◆ SkColorFilter

friend class SkColorFilter

friend

Definition at line 85 of file SkColorFilterBase.h.

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

third_party/skia/src/effects/colorfilters/SkColorFilterBase.h
third_party/skia/src/effects/colorfilters/SkColorFilterBase.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Friends