// File: TestAwt9.java (Module 9)
//
// Author: Rahul Simha
// Created: October 13, 1998
//
// Solving the inset problem - v2.

import java.awt.*;

class NewFrame extends Frame {

  int width, height;
  int originx, originy;
  int draw_width, draw_height;

  // Constructors.
  public NewFrame (int width, int height)
  {
    // Set the title and other parameters.
    this.setTitle ("Inset problem");
    this.setResizable (true);
    this.setBackground (Color.cyan);
    this.setSize (width, height);
    this.width = width;
    this.height = height;

    // Show the frame.
    this.setVisible (true);

    // Compute insets.
    // Call getInsets AFTER calling setVisible()    
    Insets I = this.getInsets ();
    originx = 0+I.left;
    originy = 0+I.top;
    draw_width = width - (I.right + 1);
    draw_height = height - (I.bottom + 1);
  }

  // No-parameter constructor - use a default size.
  public NewFrame ()
  {
    this (500, 300);
  }

  // Override paint():
  public void paint (Graphics g)
  {
    // Draw circles of diameter 100 at each corner.

    // Topleft at 0,0:
    g.drawOval (originx, originy, 100,100);

    // Topleft at (0, height-100):
    g.drawOval (originx, draw_height-100, 100,100);

    // Topleft at (width-100, 0):
    g.drawOval (draw_width-100, originy,  100,100);

    // Topleft at (width-100, width-100):
    g.drawOval (draw_width-100, draw_height-100, 100,100);
  }

}

public class TestAwt9 {

  public static void main (String[] argv)
  {
    NewFrame nf = new NewFrame (300, 300);
  }

}