MACaptionAppearanceGetForegroundOpacity(_:_:)
Returns the preference for text opacity.
Declaration
func MACaptionAppearanceGetForegroundOpacity(_ domain: MACaptionAppearanceDomain, _ behavior: UnsafeMutablePointer<MACaptionAppearanceBehavior>?) -> CGFloatParameters
- domain:
The domain to retrieve the preference value from. See Macaptionappearancedomain. Pass User unless the system defaults are needed for comparison.
- behavior:
A pointer to memory. On return, this memory holds the caption appearance behavior for this preference setting. For possible values see Macaptionappearancebehavior. Pass
NULLwhen you do not need the behavior setting.
Return Value
The float value, ranging from 0.0 to 1.0, representing the opacity of the color for text opacity.