CGGetDisplayTransferByTable(_:_:_:_:_:_:)

Declaration

func CGGetDisplayTransferByTable(_ display: CGDirectDisplayID, _ capacity: UInt32, _ redTable: UnsafeMutablePointer<CGGammaValue>?, _ greenTable: UnsafeMutablePointer<CGGammaValue>?, _ blueTable: UnsafeMutablePointer<CGGammaValue>?, _ sampleCount: UnsafeMutablePointer<UInt32>?) -> CGError

Parameters

• display:

  The identifier of the display to be accessed.

• capacity:

  The number of entries each table can hold.

• redTable:

  A pointer to an array of type CGGammaValue with size capacity. On return, the array contains the values of the red channel in the display’s gamma table.

• greenTable:

  A pointer to an array of type CGGammaValue with size capacity. On return, the array contains the values of the green channel in the display’s gamma table.

• blueTable:

  A pointer to an array of type CGGammaValue with size capacity. On return, the array contains the values of the blue channel in the display’s gamma table.

• sampleCount:

  The number of samples actually copied into each array.

Return Value

A result code. See Core Graphics Data Types and Constants.

See Also

Functions

• CGAcquireDisplayFadeReservation(_:_:)
• CGAssociateMouseAndMouseCursorPosition(_:)
• CGBeginDisplayConfiguration(_:)
• CGCancelDisplayConfiguration(_:)
• CGCaptureAllDisplays()
• CGCaptureAllDisplaysWithOptions(_:)
• CGCompleteDisplayConfiguration(_:_:)
• CGConfigureDisplayFadeEffect(_:_:_:_:_:_:)
• CGConfigureDisplayMirrorOfDisplay(_:_:_:)
• CGConfigureDisplayMode(_:_:_:)
• CGConfigureDisplayOrigin(_:_:_:_:)
• CGConfigureDisplayStereoOperation(_:_:_:_:)
• CGConfigureDisplayWithDisplayMode(_:_:_:_:)
• CGCursorIsDrawnInFramebuffer()
• CGCursorIsVisible()