package swingExamples;

import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Insets;
import java.awt.MediaTracker;

import java.io.IOException;

import java.net.MalformedURLException;
import java.net.URL;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;

class ImageIODisplayPanel extends JPanel
{
  public ImageIODisplayPanel()
  {
    URL remoteURL = null;
    URL localURL = null;
    try
    {
      // Image file from the Internet
      remoteURL = new URL("http://members.lycos.co.uk/pinkwall/memor.jpg");
      // Image file located relative to the current class file
      Class mainClass = ImageIODisplay.class;
      localURL = mainClass.getResource("../images/monalisa.jpg");
      // Get the images
      m_dali = ImageIO.read(remoteURL);
      m_davinci = ImageIO.read(localURL);
    }
    catch (MalformedURLException mue)
    {
      mue.printStackTrace();
    }
    catch (IOException ioe)
    {
      ioe.printStackTrace();
    }
  }
  
  public void paintComponent(Graphics g)
  {
    super.paintComponent(g);
    
    Dimension d = getSize();
    Insets in = getInsets();
    int clientWidth = d.width - in.right - in.left;
    int clientHeight = d.height - in.bottom - in.top;
    
    // Draw Dali's Persistence of Memory
    int cx = in.left + 5;
    int cy = in.top + 5;
    g.drawImage(m_dali, cx, cy, this);
    
    // Draw DaVinci's Mona Lisa
    cx += m_dali.getWidth(this) + 5;
    g.drawImage(m_davinci, cx, cy, this);
  }
  
  private Image m_dali;
  private Image m_davinci;
}

class ImageIODisplayFrame extends JFrame
{
  public ImageIODisplayFrame()
  {
    setTitle("ImageIODisplay");
    setSize(650, 450);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    Container contentPane = getContentPane();
    contentPane.add( new ImageIODisplayPanel() );
  }
}

public class ImageIODisplay
{
  public static void main(String[] args)
  {
    ImageIODisplayFrame frame = new ImageIODisplayFrame();
    frame.setVisible(true);
  }
}