New API in pangomm 2.44

Member Pango::GlyphString::GlyphString (const Glib::ustring & item_text, const Glib::ustring & paragraph_text, const Analysis & analysis, ShapeFlags flags=ShapeFlags::NONE)

Member Pango::Item::shape (const Glib::ustring & item_text, const Glib::ustring & paragraph_text, ShapeFlags flags=ShapeFlags::NONE) const

Member Pango::ShapeFlags