Type Alias

CGFunctionReleaseInfoCallback

Performs custom clean-up tasks when Core Graphics deallocates a CGFunctionRef object.

Declaration

typealias CGFunctionReleaseInfoCallback = (UnsafeMutableRawPointer?) -> Void

Parameters

info

See Also

Creating Function Objects

struct CGFunctionCallbacks

A structure that contains callbacks needed by a CGFunctionRef object.

typealias CGFunctionEvaluateCallback

Performs custom operations on the supplied input data to produce output data.