Java Tutorial/2D Graphics/GIF

Hide the mouse cursor: use a transparent GIF as the cursor

   <source lang="java">

import java.awt.Cursor; import java.awt.Image; import java.awt.Point; import java.awt.Toolkit; import java.awt.image.MemoryImageSource; public class Main {

 public static void main(String[] argv) throws Exception {
   int[] pixels = new int[16 * 16];
   Image image = Toolkit.getDefaultToolkit().createImage(
       new MemoryImageSource(16, 16, pixels, 0, 16));
   Cursor transparentCursor = Toolkit.getDefaultToolkit().createCustomCursor(
       image, new Point(0, 0), "invisibleCursor");
 }

}</source>

Save To GIF

   <source lang="java">

import java.awt.Color; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; public class SaveToGIF {

 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"));
 }

}</source>