cairo-font-face-reference (font-face)

font-face -- a cairo-font-face-t instance, may be NULL in which case this function does nothing

The referenced cairo-font-face-t instance.

Increases the reference count on font-face by one. This prevents font-face from being destroyed until a matching call to the function cairo-font-face-destroy is made.

The number of references to a cairo-font-face-t instance can be get using the function cairo-font-face-get-reference-count.