import java.awt.image.BufferedImage; import java.awt.image.RescaleOp; public class Main { public static void main(String[] argv) throws Exception { BufferedImage bufferedImage = new BufferedImage(200, 200, BufferedImage.TYPE_BYTE_INDEXED); float scaleFactor = 1.3f; RescaleOp op = new RescaleOp(scaleFactor, 0, null); bufferedImage = op.filter(bufferedImage, null); } }