pub unsafe extern "C-unwind" fn CTFontDescriptorCreateMatchingFontDescriptor(
descriptor: &CTFontDescriptor,
mandatory_attributes: Option<&CFSet>,
) -> Option<CFRetained<CTFontDescriptor>>Available on crate feature
CTFontDescriptor only.Expand description
Returns an the single preferred matching font descriptor based on the original descriptor and system precedence.
Parameter descriptor: The font descriptor reference.
Parameter mandatoryAttributes: A set of attribute keys which are required to be identically matched in any returned font descriptors. Optional.
Returns: This function returns a retained normalized font descriptor matching the attributes present in descriptor. The original descriptor may be returned in normalized form.