Java tutorial
import java.awt.Color; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; public class Main { final static int WIDTH = 50; final static int HEIGHT = 50; final static int NUM_ITER = 1500; public static void main(String[] args) throws Exception { BufferedImage bi; bi = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB); Graphics g = bi.getGraphics(); for (int i = 0; i < NUM_ITER; i++) { g.setColor(Color.RED); g.drawLine(1, 2, i, i + 1); } g.dispose(); ImageIO.write(bi, "gif", new File("image.gif")); } }