contextSetFontOptions   
  fun contextSetFontOptions(context: <Error class: unknown class>, options: <Error class: unknown class>? = null)(source)
Sets the font options used when rendering text with this context.
These options override any options that func@update_context derives from the target surface.
Since
1.10
Parameters
context
a PangoContext, from a pangocairo font map
options
a cairo_font_options_t, or null to unset any previously set options. A copy is made.