Compute a hash for the font options object; this value will be useful when storing an object containing a cairo_font_options_t in a hash table.
the hash value for the font options object. The return value can be cast to a 32-bit type if a 32-bit hash value is needed.
See Implementation
Compute a hash for the font options object; this value will be useful when storing an object containing a cairo_font_options_t in a hash table.