Ingres, Jean Auguste Dominique – Ferdinand Philippe, Duc d’Orleans, son of Louis-Philippe, king of the French. Oil on canvas Château de Versailles

The picture has something of this: people, wear, portrait, woman, pants, outfit, man, actress, performance, fashion, lid, dress, music, theater, model, facial expression, fashionable, indoors.
Perhaps it’s a painting of a man in a uniform standing in front of.