Sets the cairo_font_options_t used for Pango rendering in this widget.
When not set, the default font options for the GdkDisplay will be used.
a #cairo_font_options_t, or %NULL to unset any previously set default font options.
See Implementation
Sets the cairo_font_options_t used for Pango rendering in this widget.
When not set, the default font options for the GdkDisplay will be used.