Sets the font options used when rendering text with this context. These options override any options that pango_cairo_update_context() derives from the target surface.
a #PangoContext, from a pangocairo font map
a #cairo_font_options_t, or %NULL to unset any previously set options. A copy is made.
1.10
See Implementation
Sets the font options used when rendering text with this context. These options override any options that pango_cairo_update_context() derives from the target surface.