PangoCairoFont is an interface exported by fonts for use with Cairo.
PangoCairoFont
The actual type of the font will depend on the particular font technology Cairo was compiled to use.
1.18
The FontImpl type represents a native instance of the Font interface.
Gets the cairo_scaled_font_t used by @font. The scaled font can be referenced and kept using cairo_scaled_font_reference().
cairo_scaled_font_t