Java tutorial
import java.awt.Graphics2D; import java.awt.Point; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.net.URL; import javax.imageio.ImageIO; public class Main { public static void main(String[] args) throws IOException { String url = "http://www.java2s.com/style/download.png"; String text = "java2s.com"; byte[] b = mergeImageAndText(url, text, new Point(200, 200)); FileOutputStream fos = new FileOutputStream("new.png"); fos.write(b); fos.close(); } public static byte[] mergeImageAndText(String imageFilePath, String text, Point textPosition) throws IOException { BufferedImage im = ImageIO.read(new URL(imageFilePath)); Graphics2D g2 = im.createGraphics(); g2.drawString(text, textPosition.x, textPosition.y); ByteArrayOutputStream baos = new ByteArrayOutputStream(); ImageIO.write(im, "png", baos); return baos.toByteArray(); } }