Java by API/java.awt.image/MemoryImageSource

new MemoryImageSource(int w, int h, int[] pix, int off, int scan)

   <source lang="java">

import java.awt.Graphics; import java.awt.Image; import java.awt.image.MemoryImageSource; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics gg) {
   int h = 150;
   int w = 150;
   
   int pixels[] = new int[w * h];
   int i = 0;
   int r = 0, g=0, b=0;
   
   for (int y = 0; y < h; y++) {
     for (int x = 0; x < h; x++) {
       r = (x ^ y) & 0xff;
       g = (x * 2 ^ y * 2) & 0xff;
       b = (x * 4 ^ y * 4) & 0xff;
       pixels[i++] = (255 << 24) | (r << 16) | (g << 8) | b;
     }
   }
   Image art = createImage(new MemoryImageSource(w, h, pixels, 0, w));
   gg.drawImage(art, 0, 0, this);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200, 200);
   frame.setVisible(true);
 }

}

      </source>