import java.awt.*;
import java.awt.image.*;

public class Graphics2
{
   public static final int RED    = 0xFF0000;
   public static final int GREEN  = 0x00FF00;
   public static final int BLUE   = 0x0000FF;
   public static final int YELLOW = 0xFFFF00;

   static public void main(String[] args)
   {
      /* ------------------------------------------------
         Preparing to draw picture...
         ------------------------------------------------ */
      Canvas pic = new MyCanvas();          // Make a canvas (2 dim array)
      Frame f = new Frame( "My image" );    // Create a window

      f.add("Center", pic);                 // Put the canvas in the window
      f.setSize(300, 300);                  // Set size of the window
      f.setVisible(true);                   // Make window visible 

      /* ------------------------------------------------
         Draw a diagonal line
         ------------------------------------------------ */
      for (int i = 0; i < MyCanvas.MAX_X ; i++ ) 
         MyCanvas.Image.setRGB(i, i, YELLOW); // draw yellow diagonal line

      pic.repaint();   // Repaint the picture
   }
}