/******************************************************************
 * @(#) Triangle.java     1.0
 *
 * Copyright (c) 2003 John Miller
 * All Right Reserved
 *-----------------------------------------------------------------
 * Permission to use, copy, modify and distribute this software and
 * its documentation without fee is hereby granted provided that
 * this copyright notice appears in all copies.
 * WE MAKE NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY
 * OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WE SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY ANY USER AS A RESULT OF USING,
 * MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 *-----------------------------------------------------------------
 *
 * @version     1.0, 29 Mar 2003
 * @author      John Miller
 */

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;


/******************************************************************
 * The Triangle class places a triangle at (100, 100).
 */
public class Triangle extends JFrame
{

    /**************************************************************
     * The DisplayPanel inner class is used to place shapes in the
     * drawing region.
     */
    public class DisplayPanel extends JPanel
    {

        /**********************************************************
         * Paint the display panel component.
         * @param  gr  Graphics context.
         */
        public void paintComponent (Graphics gr)
        {
           super.paintComponent (gr);
           Graphics2D gr2 = (Graphics2D) gr;

           GeneralPath tri = new GeneralPath ();
           tri.moveTo (100, 100);
           tri.lineTo (100, 200);
           tri.lineTo (300, 200);
           tri.closePath ();

           gr2.setPaint (Color.red);
           gr2.fill (tri);

        }; // paintComponent


    }; // DisplayPanel inner class


    /**************************************************************
     * Construct a frame.
     * @param  title  Title of frame
     */
    public Triangle (String title)
    {
        super (title);

        addWindowListener (new WindowAdapter () {
            public void windowClosing (WindowEvent e) { System.exit (0); }
        });

        getContentPane ().add (new DisplayPanel ());
        setLocation (100, 100);
        setSize (400, 400);
        setVisible (true);

    }; // Triangle


    /**************************************************************
     * Main method for invoking the application.
     * @param  args  Command-line arguments
     */
    public static void main (String [] args)
    {
        Triangle frame = new Triangle ("Triangle");

    }; // main


}; // Triangle class