Gets the font map for which the font was created.
Note that the font maintains a weak reference to
the font map, so if all references to font map are
dropped, the font map will be finalized even if there
are fonts created with the font map that are still alive.
In that case this function will return
It is the responsibility of the user to ensure that the
font map is kept alive. In most uses this is not an issue
PangoContext holds a reference to the font map.
Available since: 1.10
for the font.
|The returned data is owned by the instance.
|The return value can be