kColorSyncAlphaNone There is no alpha channel. For example, RGB. Declarationvar kColorSyncAlphaNone: ColorSyncAlphaInfo { get } See AlsoHandling alphakColorSyncAlphaFirstkColorSyncAlphaInfoMaskkColorSyncAlphaLastkColorSyncAlphaNoneSkipFirstkColorSyncAlphaNoneSkipLastkColorSyncAlphaPremultipliedFirstkColorSyncAlphaPremultipliedLast