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Public Member Functions | Protected Member Functions | List of all members
SkRadialGradient Class Referencefinal

#include <SkRadialGradient.h>

Inheritance diagram for SkRadialGradient:
SkGradientBaseShader SkShaderBase SkShader SkFlattenable SkRefCnt SkRefCntBase

Public Member Functions

 SkRadialGradient (const SkPoint &center, SkScalar radius, const Descriptor &)
 
GradientType asGradient (GradientInfo *info, SkMatrix *matrix) const override
 
const SkPointcenter () const
 
SkScalar radius () const
 
- Public Member Functions inherited from SkGradientBaseShader
 SkGradientBaseShader (const Descriptor &desc, const SkMatrix &ptsToUnit)
 
 ~SkGradientBaseShader () override
 
ShaderType type () const final
 
bool isOpaque () const override
 
bool interpolateInPremul () const
 
const SkMatrixgetGradientMatrix () const
 
int getColorCount () const
 
const float * getPositions () const
 
const InterpolationgetInterpolation () const
 
SkScalar getPos (int i) const
 
SkColor getLegacyColor (int i) const
 
bool colorsAreOpaque () const
 
SkTileMode getTileMode () const
 
const SkBitmapcachedBitmap () const
 
void setCachedBitmap (SkBitmap b) const
 
- Public Member Functions inherited from SkShaderBase
 ~SkShaderBase () override
 
sk_sp< SkShadermakeInvertAlpha () const
 
sk_sp< SkShadermakeWithCTM (const SkMatrix &) const
 
virtual bool isConstant () const
 
ContextmakeContext (const ContextRec &, SkArenaAlloc *) const
 
bool asLuminanceColor (SkColor4f *) const
 
bool appendRootStages (const SkStageRec &rec, const SkMatrix &ctm) const
 
virtual SkImageonIsAImage (SkMatrix *, SkTileMode[2]) const
 
virtual SkRuntimeEffectasRuntimeEffect () const
 
Type getFlattenableType () const override
 
virtual sk_sp< SkShadermakeAsALocalMatrixShader (SkMatrix *localMatrix) const
 
- Public Member Functions inherited from SkShader
SkImageisAImage (SkMatrix *localMatrix, SkTileMode xy[2]) const
 
bool isAImage () const
 
sk_sp< SkShadermakeWithLocalMatrix (const SkMatrix &) const
 
sk_sp< SkShadermakeWithColorFilter (sk_sp< SkColorFilter >) const
 
sk_sp< SkShadermakeWithWorkingColorSpace (sk_sp< SkColorSpace >) const
 
- Public Member Functions inherited from SkFlattenable
 SkFlattenable ()
 
virtual Factory getFactory () const =0
 
virtual const char * getTypeName () const =0
 
sk_sp< SkDataserialize (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
 

Protected Member Functions

 SkRadialGradient (SkReadBuffer &buffer)
 
void flatten (SkWriteBuffer &buffer) const override
 
void appendGradientStages (SkArenaAlloc *alloc, SkRasterPipeline *tPipeline, SkRasterPipeline *postPipeline) const override
 
- Protected Member Functions inherited from SkGradientBaseShader
void commonAsAGradient (GradientInfo *) const
 
bool onAsLuminanceColor (SkColor4f *) const override
 
bool appendStages (const SkStageRec &, const SkShaders::MatrixRec &) const override
 
- Protected Member Functions inherited from SkShaderBase
 SkShaderBase ()
 
void flatten (SkWriteBuffer &) const override
 

Additional Inherited Members

- Public Types inherited from SkGradientBaseShader
using Interpolation = SkGradientShader::Interpolation
 
- Public Types inherited from SkShaderBase
enum class  ShaderType { M }
 
enum class  GradientType { kNone , M }
 
enum  Flags { kOpaqueAlpha_Flag = 1 << 0 }
 
- 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 SkGradientBaseShader
static bool ValidGradient (const SkColor4f colors[], int count, SkTileMode tileMode, const Interpolation &interpolation)
 
static sk_sp< SkShaderMakeDegenerateGradient (const SkColor4f colors[], const SkScalar pos[], int colorCount, sk_sp< SkColorSpace > colorSpace, SkTileMode mode)
 
static void AppendGradientFillStages (SkRasterPipeline *p, SkArenaAlloc *alloc, const SkPMColor4f *colors, const SkScalar *positions, int count)
 
static void AppendInterpolatedToDstStages (SkRasterPipeline *p, SkArenaAlloc *alloc, bool colorsAreOpaque, const Interpolation &interpolation, const SkColorSpace *intermediateColorSpace, const SkColorSpace *dstColorSpace)
 
- Static Public Member Functions inherited from SkShaderBase
static Type GetFlattenableType ()
 
static sk_sp< SkShaderBaseDeserialize (const void *data, size_t size, const SkDeserialProcs *procs=nullptr)
 
static void RegisterFlattenables ()
 
static SkMatrix ConcatLocalMatrices (const SkMatrix &parentLM, const SkMatrix &childLM)
 
- 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< SkFlattenableDeserialize (Type, const void *data, size_t length, const SkDeserialProcs *procs=nullptr)
 
- Public Attributes inherited from SkGradientBaseShader
SkColor4ffColors
 
SkScalarfPositions
 
int fColorCount
 
sk_sp< SkColorSpacefColorSpace
 
Interpolation fInterpolation
 
bool fFirstStopIsImplicit
 
bool fLastStopIsImplicit
 
- Static Public Attributes inherited from SkGradientBaseShader
static constexpr SkScalar kDegenerateThreshold = SK_Scalar1 / (1 << 15)
 
- Protected Attributes inherited from SkGradientBaseShader
const SkMatrix fPtsToUnit
 
SkTileMode fTileMode
 

Detailed Description

Definition at line 21 of file SkRadialGradient.h.

Constructor & Destructor Documentation

◆ SkRadialGradient() [1/2]

SkRadialGradient::SkRadialGradient ( const SkPoint center,
SkScalar  radius,
const Descriptor desc 
)

Definition at line 39 of file SkRadialGradient.cpp.

41 , fCenter(center)
42 , fRadius(radius) {}
static SkMatrix rad_to_unit_matrix(const SkPoint &center, SkScalar radius)
SkScalar radius() const
const SkPoint & center() const

◆ SkRadialGradient() [2/2]

SkRadialGradient::SkRadialGradient ( SkReadBuffer buffer)
protected

Member Function Documentation

◆ appendGradientStages()

void SkRadialGradient::appendGradientStages ( SkArenaAlloc alloc,
SkRasterPipeline tPipeline,
SkRasterPipeline postPipeline 
) const
overrideprotectedvirtual

Implements SkGradientBaseShader.

Definition at line 85 of file SkRadialGradient.cpp.

86 {
87 p->append(SkRasterPipelineOp::xy_to_radius);
88}

◆ asGradient()

SkShaderBase::GradientType SkRadialGradient::asGradient ( GradientInfo info,
SkMatrix matrix 
) const
overridevirtual

Reimplemented from SkShaderBase.

Definition at line 44 of file SkRadialGradient.cpp.

45 {
46 if (info) {
48 info->fPoint[0] = fCenter;
49 info->fRadius[0] = fRadius;
50 }
51 if (localMatrix) {
52 *localMatrix = SkMatrix::I();
53 }
54 return GradientType::kRadial;
55}
static void info(const char *fmt,...) SK_PRINTF_LIKE(1
Definition DM.cpp:213
void commonAsAGradient(GradientInfo *) const
static const SkMatrix & I()

◆ center()

const SkPoint & SkRadialGradient::center ( ) const
inline

Definition at line 27 of file SkRadialGradient.h.

27{ return fCenter; }

◆ flatten()

void SkRadialGradient::flatten ( SkWriteBuffer ) const
overrideprotectedvirtual

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 SkGradientBaseShader.

Definition at line 79 of file SkRadialGradient.cpp.

79 {
81 buffer.writePoint(fCenter);
82 buffer.writeScalar(fRadius);
83}
void flatten(SkWriteBuffer &) const override
static const uint8_t buffer[]

◆ radius()

SkScalar SkRadialGradient::radius ( ) const
inline

Definition at line 28 of file SkRadialGradient.h.

28{ return fRadius; }

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