ColorSyncProfileEstimateGammaWithDisplayID(_:_:)

Declaration

func ColorSyncProfileEstimateGammaWithDisplayID(_ displayID: Int32, _ error: UnsafeMutablePointer<Unmanaged<CFError>?>?) -> Float

Parameters

• displayID:

  The system-wide unique display ID (defined by IOKit).

• error:

  On failure, a pointer to an error describing the problem. Optional.

Return Value

A non-zero value on success, or 0.0 in case of error.

See Also

Reading display gamma and profiles

• ColorSyncProfileCreateWithDisplayID(_:)
• ColorSyncProfileGetDisplayTransferFormulaFromVCGT(_:_:_:_:_:_:_:_:_:_:)
• ColorSyncProfileCreateDisplayTransferTablesFromVCGT(_:_:)