Global Variable

kCIInputRefractionKey

A key for a scalar value (NSNumber) that specifies the index of refraction of the material (such as glass) used in the effect.

Declaration

let kCIInputRefractionKey: String

Beta Software

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.

Learn more about using Apple's beta software