SkGradientShader::Interpolation Struct Reference

#include <SkGradientShader.h>

Public Types
enum class	InPremul : bool { kNo = false , kYes = true }
enum class	ColorSpace : uint8_t {   kDestination , kSRGBLinear , kLab , kOKLab ,   kOKLabGamutMap , kLCH , kOKLCH , kOKLCHGamutMap ,   kSRGB , kHSL , kHWB , kLastColorSpace = kHWB }
enum class	HueMethod : uint8_t {   kShorter , kLonger , kIncreasing , kDecreasing ,   kLastHueMethod = kDecreasing }

Static Public Member Functions
static Interpolation	FromFlags (uint32_t flags)

Public Attributes
InPremul	fInPremul = InPremul::kNo
ColorSpace	fColorSpace = ColorSpace::kDestination
HueMethod	fHueMethod = HueMethod::kShorter

Static Public Attributes
static constexpr int	kColorSpaceCount = static_cast<int>(ColorSpace::kLastColorSpace) + 1
static constexpr int	kHueMethodCount = static_cast<int>(HueMethod::kLastHueMethod) + 1

Detailed Description

Definition at line 71 of file SkGradientShader.h.

Member Enumeration Documentation

ColorSpace

enum class SkGradientShader::Interpolation::ColorSpace : uint8_t

strong

Enumerator
kDestination
kSRGBLinear
kLab
kOKLab
kOKLabGamutMap
kLCH
kOKLCH
kOKLCHGamutMap
kSRGB
kHSL
kHWB
kLastColorSpace

Definition at line 74 of file SkGradientShader.h.

                              : uint8_t {
            // Default Skia behavior: interpolate in the color space of the destination surface
            kDestination,
 
            // https://www.w3.org/TR/css-color-4/#interpolation-space
            kSRGBLinear,
            kLab,
            kOKLab,
            // This is the same as kOKLab, except it has a simplified version of the CSS gamut
            // mapping algorithm (https://www.w3.org/TR/css-color-4/#css-gamut-mapping)
            // into Rec2020 space applied to it.
            // Warning: This space is experimental and should not be used in production.
            kOKLabGamutMap,
            kLCH,
            kOKLCH,
            // This is the same as kOKLCH, except it has the same gamut mapping applied to it
            // as kOKLabGamutMap does.
            // Warning: This space is experimental and should not be used in production.
            kOKLCHGamutMap,
            kSRGB,
            kHSL,
            kHWB,
 
            kLastColorSpace = kHWB,
        };

HueMethod

enum class SkGradientShader::Interpolation::HueMethod : uint8_t

strong

Enumerator
kShorter
kLonger
kIncreasing
kDecreasing
kLastHueMethod

Definition at line 101 of file SkGradientShader.h.

                             : uint8_t {
            // https://www.w3.org/TR/css-color-4/#hue-interpolation
            kShorter,
            kLonger,
            kIncreasing,
            kDecreasing,
 
            kLastHueMethod = kDecreasing,
        };

InPremul

enum class SkGradientShader::Interpolation::InPremul : bool

strong

Enumerator
kNo
kYes

Definition at line 72 of file SkGradientShader.h.

: bool { kNo = false, kYes = true };

Member Function Documentation

FromFlags()

static Interpolation SkGradientShader::Interpolation::FromFlags ( uint32_t  flags )

inlinestatic

Definition at line 116 of file SkGradientShader.h.

                                                       {
            return {flags & kInterpolateColorsInPremul_Flag ? InPremul::kYes : InPremul::kNo,
                    ColorSpace::kDestination,
                    HueMethod::kShorter};
        }

Member Data Documentation

fColorSpace

ColorSpace SkGradientShader::Interpolation::fColorSpace = ColorSpace::kDestination

Definition at line 113 of file SkGradientShader.h.

fHueMethod

HueMethod SkGradientShader::Interpolation::fHueMethod = HueMethod::kShorter

Definition at line 114 of file SkGradientShader.h.

fInPremul

InPremul SkGradientShader::Interpolation::fInPremul = InPremul::kNo

Definition at line 112 of file SkGradientShader.h.

kColorSpaceCount

constexpr int SkGradientShader::Interpolation::kColorSpaceCount = static_cast<int>(ColorSpace::kLastColorSpace) + 1

staticconstexpr

Definition at line 99 of file SkGradientShader.h.

kHueMethodCount

constexpr int SkGradientShader::Interpolation::kHueMethodCount = static_cast<int>(HueMethod::kLastHueMethod) + 1

staticconstexpr

Definition at line 110 of file SkGradientShader.h.

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

• third_party/skia/include/effects/SkGradientShader.h