Always return the icon scaled to the requested size. Since 2.14.
Return SVG icons, even if gdk-pixbuf doesn't support them. Cannot be used together with %GTK_ICON_LOOKUP_NO_SVG.
Try to shorten icon name at '-' characters before looking at inherited themes. For more general fallback, see gtk_icon_theme_choose_icon(). Since 2.12.
Never return SVG icons, even if gdk-pixbuf supports them. Cannot be used together with %GTK_ICON_LOOKUP_FORCE_SVG.
When passed to gtk_icon_theme_lookup_icon() includes builtin icons as well as files. For a builtin icon, gtk_icon_info_get_filename() returns %NULL and you need to call gtk_icon_info_get_builtin_pixbuf().
Used to specify options for gtk_icon_theme_lookup_icon()