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SKColorspaceTransferFnCicp Enum

Definition

Namespace:
SkiaSharp
Assembly:
SkiaSharp.dll

Identifies transfer functions (opto-electronic transfer characteristics) using ITU-T H.273 / ISO 23001-8 Coding-Independent Code Points (CICP) values.

public enum SKColorspaceTransferFnCicp
Inheritance
Enum
SKColorspaceTransferFnCicp

Fields

Name Value Description
Unknown 0

Unknown or unspecified transfer characteristics (code point 0).
Rec709 1

ITU-R BT.709 transfer characteristics (code point 1), used for HDTV; also matches sRGB in practice.
Rec470SystemM 4

ITU-R BT.470 System M transfer characteristics (code point 4), assuming a display gamma of 2.2.
Rec470SystemBg 5

ITU-R BT.470 System B/G transfer characteristics (code point 5), assuming a display gamma of 2.8.
Rec601 6

ITU-R BT.601 transfer characteristics (code point 6), used for standard-definition television.
SmpteSt240 7

SMPTE ST 240 transfer characteristics (code point 7), used for early HDTV production.
Linear 8

Linear transfer characteristics with no gamma encoding (code point 8).
Iec6196624 11

IEC 61966-2-4 transfer characteristics (code point 11), used for xvYCC extended-gamut video.
Iec6196621 13

IEC 61966-2-1 transfer characteristics (code point 13), defining the sRGB and sYCC transfer functions.
Rec202010bit 14

ITU-R BT.2020 10-bit transfer characteristics (code point 14), used for 10-bit UHD content.
Rec202012bit 15

ITU-R BT.2020 12-bit transfer characteristics (code point 15), used for 12-bit UHD content.
Pq 16

SMPTE ST 2084 Perceptual Quantizer (PQ) transfer characteristics (code point 16), used for HDR10 content.
SmpteSt4281 17

SMPTE ST 428-1 transfer characteristics (code point 17), defining the D-Cinema transfer function with a power-law gamma of approximately 2.6.
Hlg 18

ARIB STD-B67 Hybrid Log-Gamma (HLG) transfer characteristics (code point 18), used for HDR broadcast per ITU-R BT.2100.

Examples

Creating an HDR PQ color space with BT.2020 primaries:

using var colorSpace = SKColorSpace.CreateCicp(
    SKColorspacePrimariesCicp.Rec2020,
    SKColorspaceTransferFnCicp.Pq,
    SKColorspaceMatrixCoefficients.Identity,
    SKColorspaceRange.Full);

Remarks

`SKColorspaceTransferFnCicp` enumerates the standard transfer functions defined by the ITU-T H.273 and ISO/IEC 23001-8 specifications. These values are used as parameters when calling <xref:SkiaSharp.SKColorSpace.CreateCicp*> to create a CICP-specified color space.

Each member's numeric value corresponds directly to the "Transfer characteristics" code point in Table 3 of ITU-T H.273.

Applies to