Sets the font options used when rendering text with this context.
These options override any options that funcupdate_context derives from the target surface.
a pango.context.Context, from a pangocairo font map
a cairo.font_options.FontOptions, or null to unset any previously set options. A copy is made.
Sets the font options used when rendering text with this context.
These options override any options that funcupdate_context derives from the target surface.