PangoFontMap:
PangoFontMapClass: @parent_class: parent #GObjectClass. @load_font: a function to load a font with a given description. See pango_font_map_load_font(). @list_families: A function to list available font families. See pango_font_map_list_families(). @load_fontset: a function to load a fontset with a given given description suitable for a particular language. See pango_font_map_load_fontset(). @shape_engine_type: the type of rendering-system-dependent engines that can handle fonts of this fonts loaded with this fontmap. @get_serial: a function to get the serial number of the fontmap. See pango_font_map_get_serial(). @changed: See pango_font_map_changed()