// glasses1.java show many colors

import java.awt.*;
import java.awt.event.*;

public class glasses1 extends Frame
{
  final int width   = 600;
  final int height  = 600;
  
  glasses1()
  {
    setTitle("glasses1 see colors");
    setSize(width,height);
    setBackground(Color.white);
    setForeground(Color.black);
    addWindowListener(new WindowAdapter()
    {
      public void windowClosing(WindowEvent e)
      {
        System.exit(0);
      }
    });
    setVisible(true);
    this.addMouseListener (new mousePressHandler());

  } // end glasses1 constructor
  
  public void paint(Graphics g)
  {
      int x, y, w, h, rc, gc, bc, d, dd;
    GraphicsEnvironment ge = GraphicsEnvironment.
              getLocalGraphicsEnvironment();
    Font f[] = ge.getAllFonts();

    x = 10;
    y = 30;
    w = 50;
    h = 50;
    rc = 255;
    gc = 0;
    bc = 0;
    d = 1;
    dd = 5;
    // call methods to do actual drawing
    Color drawColor = new Color(rc, gc, bc); // Color of object being drawn
    g.clearRect(0, 0, width, height);
    Font f12 = new Font("Courier", Font.BOLD, 12);
    g.setFont(f12);
    g.drawString("  red   green   blue   cyan   black", 10, 95);

    Font f16 = new Font("Courier", Font.PLAIN, 16);
    g.setFont(f16);
    g.drawString("right lens: cyan->white, red->black  green,blue about same", 10, height-35);
    g.drawString("left  lens: red ->white, green,blue,cyan->black", 10, height-55);
    g.drawString("both  lens: white stays white.  black stays black", 10, height-15);

    g.setColor(drawColor);
    g.fillRect(x, y, w, h);
    x = x + 50; rc = 0; gc = 255;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.fillRect(x, y, w, h);
    x = x + 50; gc = 0; bc = 255;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.fillRect(x, y, w, h);
    x = x + 50; gc = 255; bc = 255;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.fillRect(x, y, w, h);
    x = x + 50; rc = 0; gc = 0; bc = 0;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.fillRect(x, y, w, h);

    // 3D anagraph of simple cube
    //       170,130    470,130
    //     100,200    400,200
    //
    //       170,430    470,430
    //     100,500    400,500

    for(d=1; d<=dd; d++)
    {
    rc = 0;  gc = 255; bc = 255;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.drawLine(100-d,200,100-d,500);
    g.drawLine(400-d,200,400-d,500);
    g.drawLine(170-d,130,170-d,430);
    g.drawLine(470-d,130,470-d,430);
    }

    for(d=1; d<=dd+dd/2; d++)
    {
    g.drawLine(100-d,200,170-d,130);
    g.drawLine(100-d,500,170-d,430);
    g.drawLine(400-d,200,470-d,130);
    g.drawLine(400-d,500,470-d,430);
    }

    for(d=1; d<=dd; d++)
    {
    rc = 255;  gc = 0; bc = 0;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.drawLine(100+d,200,100+d,500);
    g.drawLine(400+d,200,400+d,500);
    g.drawLine(170+d,130,170+d,430);
    g.drawLine(470+d,130,470+d,430);
    }

    for(d=1; d<=dd+dd/2; d++)
    {
    g.drawLine(100+d,200,170+d,130);
    g.drawLine(100+d,500,170+d,430);
    g.drawLine(400+d,200,470+d,130);
    g.drawLine(400+d,500,470+d,430);
    }

    for(d=1; d<=dd; d++)
    {
    rc = 0;  gc = 0; bc = 0;
    drawColor = new Color(rc, gc, bc);
    g.setColor(drawColor);
    g.drawLine(170,130+d,470,130+d);
    g.drawLine(100,200+d,400,200+d);
    g.drawLine(170,430+d,470,430+d);
    g.drawLine(100,500+d,400,500+d);

    //    g.drawLine(100,200,100,500);
    //    g.drawLine(400,200,400,500);
    //    g.drawLine(170,130,170,430);
    //    g.drawLine(470,130,470,430);

    //    g.drawLine(100,200,170,130);
    //    g.drawLine(100,500,170,430);
    //    g.drawLine(400,200,470,130);
    //    g.drawLine(400,500,470,430);
    }
     
  } // end paint

  class mousePressHandler extends MouseAdapter
  {
    public void mousePressed (MouseEvent e)
    {
      requestFocus();
      System.out.println("press"); // debug print
      repaint();
      System.exit(0);
    }
  }

  static public void main(String[] args)
  {
    new glasses1();
    System.out.println("glasses1 main ending");
  } // end main
} // end class glasses1