SkShaderBase::ContextRec Struct Reference

#include <SkShaderBase.h>

Public Member Functions
	ContextRec (SkAlpha paintAlpha, const SkShaders::MatrixRec &matrixRec, SkColorType dstColorType, SkColorSpace *dstColorSpace, const SkSurfaceProps &props)
bool	isLegacyCompatible (SkColorSpace *shadersColorSpace) const

Static Public Member Functions
static ContextRec	Concat (const ContextRec &parentRec, const SkMatrix &localM)

Public Attributes
const SkShaders::MatrixRec	fMatrixRec
SkColorType	fDstColorType
SkColorSpace *	fDstColorSpace
SkSurfaceProps	fProps
SkAlpha	fPaintAlpha

Detailed Description

ContextRec acts as a parameter bundle for creating Contexts.

Definition at line 268 of file SkShaderBase.h.

Constructor & Destructor Documentation

ContextRec()

SkShaderBase::ContextRec::ContextRec ( SkAlpha  paintAlpha, const SkShaders::MatrixRec &  matrixRec, SkColorType  dstColorType, SkColorSpace *  dstColorSpace, const SkSurfaceProps &  props  )

inline

Definition at line 269 of file SkShaderBase.h.

                : fMatrixRec(matrixRec)
                , fDstColorType(dstColorType)
                , fDstColorSpace(dstColorSpace)
                , fProps(props)
                , fPaintAlpha(paintAlpha) {}

Member Function Documentation

Concat()

static ContextRec SkShaderBase::ContextRec::Concat ( const ContextRec &  parentRec, const SkMatrix &  localM  )

inlinestatic

Definition at line 280 of file SkShaderBase.h.

                                                                                      {
            return {parentRec.fPaintAlpha,
                    parentRec.fMatrixRec.concat(localM),
                    parentRec.fDstColorType,
                    parentRec.fDstColorSpace,
                    parentRec.fProps};
        }

isLegacyCompatible()

bool SkShaderBase::ContextRec::isLegacyCompatible

(

SkColorSpace *

shadersColorSpace

)

const

Definition at line 122 of file SkShaderBase.cpp.

                                                                                    {
    // In legacy pipelines, shaders always produce premul (or opaque) and the destination is also
    // always premul (or opaque).  (And those "or opaque" caveats won't make any difference here.)
    SkAlphaType shaderAT = kPremul_SkAlphaType, dstAT = kPremul_SkAlphaType;
    return 0 ==
           SkColorSpaceXformSteps{shaderColorSpace, shaderAT, fDstColorSpace, dstAT}.flags.mask();
}

Member Data Documentation

fDstColorSpace

SkColorSpace* SkShaderBase::ContextRec::fDstColorSpace

Definition at line 290 of file SkShaderBase.h.

fDstColorType

SkColorType SkShaderBase::ContextRec::fDstColorType

Definition at line 289 of file SkShaderBase.h.

fMatrixRec

const SkShaders::MatrixRec SkShaderBase::ContextRec::fMatrixRec

Definition at line 288 of file SkShaderBase.h.

fPaintAlpha

SkAlpha SkShaderBase::ContextRec::fPaintAlpha

Definition at line 292 of file SkShaderBase.h.

fProps

SkSurfaceProps SkShaderBase::ContextRec::fProps

Definition at line 291 of file SkShaderBase.h.

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

• third_party/skia/src/shaders/SkShaderBase.h
• third_party/skia/src/shaders/SkShaderBase.cpp