You can't. Rock painting is a kind of painting with a complete and independent system. It is a kind of painting in which colored stone powder, gold and silver and other metal materials are fixed on supports such as rice paper, silk and board with glue as adhesive. Pottery and silk paintings dating back thousands of years. The familiar Dunhuang frescoes and ancient meticulous paintings are all applied to mineral materials. Compared with chemical pigments, rock color is more durable and has richer texture.