kCVPixelFormatContainsAlpha
A Boolean value where Kcfbooleantrue indicates that the format contains alpha and some images may be considered transparent; Kcfbooleanfalse indicates that there is no alpha and images are always opaque.
Declaration
let kCVPixelFormatContainsAlpha: CFStringSee Also
Constants
kCVPixelFormatComponentRangekCVPixelFormatComponentRange_FullRangekCVPixelFormatComponentRange_VideoRangekCVPixelFormatComponentRange_WideRangekCVPixelFormatContainsRGBkCVPixelFormatContainsYCbCrkCVPixelFormatNamekCVPixelFormatConstantkCVPixelFormatCodecTypekCVPixelFormatFourCCkCVPixelFormatPlaneskCVPixelFormatBlockWidthkCVPixelFormatBlockHeightkCVPixelFormatBitsPerBlockkCVPixelFormatBlockHorizontalAlignment