init(axialHeadroom:space:start:end:function:extendStart:extendEnd:)
Declaration
init?(axialHeadroom headroom: Float, space: CGColorSpace, start: CGPoint, end: CGPoint, function: CGFunction, extendStart: Bool, extendEnd: Bool)init?(axialHeadroom headroom: Float, space: CGColorSpace, start: CGPoint, end: CGPoint, function: CGFunction, extendStart: Bool, extendEnd: Bool)