This structure describes the ordering and number of the color channels, the size and type of the data in the color channels, and whether or not the data is premultiplied by alpha. This format mirrors the image format descriptors used by Core Graphics to create objects such as CGImageRef and CGBitmapContext.
A structure that represents a transfer function to convert from linear to nonlinear RGB.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.