import java.awt.Button;
import java.awt.Canvas;
import java.awt.Checkbox;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Label;
import java.awt.Panel;
import java.awt.ScrollPane;

public class AWTPrintAllTest {

	private Frame displayFrame = null;  
	private Label label = null;
	private Button button = null;
	private Frame captureFrame = null; 
	private Panel panel = null;
	private Checkbox checkbox = null;
	private Button button1 = null;
	private ScrollPane scrollPane = null;
	private Canvas canvas = null;
	private Button button2 = null;
	
	public Image componentImage = null;
	
	private class ImageCanvas extends Canvas {
		public void paint(Graphics g) {
			super.paint(g);
			if (componentImage != null) {
				this.setSize(componentImage.getWidth(this), componentImage.getHeight(this));
				g.drawImage(componentImage, 0, 0, this);
			}
		}
	}
	
	public static void main(String[] args) {
     	AWTPrintAllTest apat = new AWTPrintAllTest();
     	apat.getDisplayFrame().setVisible(true);
     	apat.getCaptureFrame().setVisible(true);
	}
	
	private Frame getDisplayFrame() {
		if (displayFrame == null) {
			displayFrame = new Frame();
			label = new Label();
			displayFrame.setLayout(null);
			displayFrame.setSize(148, 98);
			displayFrame.setTitle("Frame");
			displayFrame.setLocation(200, 200);
			label.setBounds(16, 32, 47, 41);
			label.setText("Label");
			displayFrame.add(label, null);
			button = new Button();
			button.setBounds(74, 37, 54, 39);
			button.setLabel("Button");
			displayFrame.add(button, null);
		}
		return displayFrame;
	}

	private Frame getCaptureFrame() {
		if (captureFrame == null) {
			captureFrame = new Frame();
			captureFrame.setSize(246, 181);
			captureFrame.setTitle("Print All Test");
			panel = new Panel();
			checkbox = new Checkbox();
			checkbox.setLabel("Off Screen");
			checkbox.addItemListener(new java.awt.event.ItemListener() { 
				public void itemStateChanged(java.awt.event.ItemEvent e) {    
					if (checkbox.getState()) {
						getDisplayFrame().setLocation(10000,10000);
					} else {
						getDisplayFrame().setLocation(200,200);
					}
				}
			});
			panel.add(checkbox, null);
			button1 = new Button();
			button1.setLabel("Grab");
			button1.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {
					Component component = getDisplayFrame();
					componentImage = component.createImage(component.getWidth(), component.getHeight());
					Graphics graphics = componentImage.getGraphics();
					component.printAll(graphics);
					canvas.repaint();
				}
			});
			panel.add(button1, null);
			button2 = new Button();
			button2.setLabel("Quit");
			button2.addActionListener(new java.awt.event.ActionListener() { 
				public void actionPerformed(java.awt.event.ActionEvent e) {    
					System.exit(0);
				}
			});
			panel.add(button2, null);
			captureFrame.add(panel, java.awt.BorderLayout.SOUTH);
			scrollPane = new ScrollPane();
			canvas = new ImageCanvas();
			scrollPane.add(canvas, null);
			captureFrame.add(scrollPane, java.awt.BorderLayout.CENTER);
			captureFrame.addWindowListener(new java.awt.event.WindowAdapter() { 
				public void windowClosing(java.awt.event.WindowEvent e) {    
					System.exit(0);
				}
			});
		}
		return captureFrame;
	}
}