pub unsafe extern "C-unwind" fn CTFontDescriptorCreateCopyWithVariation(
original: &CTFontDescriptor,
variation_identifier: &CFNumber,
variation_value: CGFloat,
) -> CFRetained<CTFontDescriptor>Available on crate feature
CTFontDescriptor only.Expand description
Creates a copy of the original font descriptor with a new variation instance.
Parameter original: The original font descriptor reference.
Parameter variationIdentifier: The variation axis identifier. This is the four character code of the variation axis as a CFNumberRef.
Parameter variationValue: The value corresponding with the variation instance.
Returns: This function returns a copy of the original font descriptor with a new variation instance. This is a convenience method for easily creating new variation font instances.