/*
	File:		ImageProducing.java
	
	Description:	This demo program shows how to display any QuickTime drawing object using Java's 
                        ImageProducing model.

	Author:		Apple Computer, Inc.

	Copyright: 	© Copyright 2002 Apple Computer, Inc. All rights reserved.
	
	Disclaimer:	IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
				("Apple") in consideration of your agreement to the following terms, and your
				use, installation, modification or redistribution of this Apple software
				constitutes acceptance of these terms.  If you do not agree with these terms,
				please do not use, install, modify or redistribute this Apple software.

				In consideration of your agreement to abide by the following terms, and subject
				to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
				copyrights in this original Apple software (the "Apple Software"), to use,
				reproduce, modify and redistribute the Apple Software, with or without
				modifications, in source and/or binary forms; provided that if you redistribute
				the Apple Software in its entirety and without modifications, you must retain
				this notice and the following text and disclaimers in all such redistributions of
				the Apple Software.  Neither the name, trademarks, service marks or logos of
				Apple Computer, Inc. may be used to endorse or promote products derived from the
				Apple Software without specific prior written permission from Apple.  Except as
				expressly stated in this notice, no other rights or licenses, express or implied,
				are granted by Apple herein, including but not limited to any patent rights that
				may be infringed by your derivative works or by other works in which the Apple
				Software may be incorporated.

				The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
				WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
				WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
				PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
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				IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
				CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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	Change History (most recent first):
            11/22/2002	md	new SampleCode revisions

*/

import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import java.io.*;

import quicktime.qd.*;
import quicktime.*;
import quicktime.std.StdQTConstants;
import quicktime.std.image.GraphicsImporter;
import quicktime.std.movies.*;
import quicktime.io.*;
import quicktime.util.*;

import quicktime.app.QTFactory;
import quicktime.app.display.*;
import quicktime.app.image.*;
import quicktime.app.players.MoviePlayer;
import quicktime.util.*;
import quicktime.std.image.GraphicsMode;
import javax.swing.*;

import ip.*;

/** Uses a user canvas to draw the image that is produced by the QTImageProducer
 * from a MoviePlayer as the source of the image
 */
public class ImageProducing extends JFrame implements MovieDrawingComplete, QDConstants, StdQTConstants {		
	public static void main (String args[]) {
		try {
			QTSession.open();
			QTFile f1 = new QTFile (QTFactory.findAbsolutePath ("jumps.mov").getPath());			
			ImageProducing pm = new ImageProducing (f1);
			pm.pack();
			pm.show();
			pm.toFront();
		} catch (Exception e) {
			e.printStackTrace();
			QTSession.close();
		}
	}
	
	ImageProducing (QTFile movFile) throws QTException {
		super ("Consumer");

		OpenMovieFile openMovieFile = OpenMovieFile.asRead(movFile);
		myMovie = Movie.fromFile (openMovieFile);
		myMovie.getTimeBase().setFlags (loopTimeBase);
		MoviePlayer moviePlayer = new MoviePlayer (myMovie);
		QDRect r = moviePlayer.getDisplayBounds();
		Dimension d = new Dimension (r.getWidth(), r.getHeight());
		imgProducer = new QTImageProducer (moviePlayer, d);

			//this tells us that the movie has redrawn and 
			//we use this to redraw the QTImageProducer - which will 
			//supply more pixel data to its registered consumers
		myMovie.setDrawingCompleteProc (movieDrawingCallWhenChanged, this);

		JPanel panel = new JPanel (new BorderLayout());
		getContentPane().add ("Center", panel);
		panel.add ("South", new ControlPanel (moviePlayer));

		IPJComponent canvas = new IPJComponent (d, imgProducer);
		panel.add("Center", canvas);
							
		addWindowListener(new WindowAdapter () {
			public void windowClosing (WindowEvent e) {
				try {
					//have to remove a callback we install
					myMovie.removeDrawingCompleteProc();
				} catch (QTException ex) {}
				QTSession.close();
				dispose();
			}
			public void windowClosed (WindowEvent e) { 
				System.exit(0);
			}
		});
	}	

	QTImageProducer imgProducer;
	Movie myMovie;
	
	public int execute (Movie myMovie) {
		try {
			imgProducer.updateConsumers (null);
		} catch (QTException e) {
			return e.errorCode();
		}
		return 0;
	}

	static class IPJComponent extends JComponent {
		IPJComponent (Dimension prefSize, QTImageProducer ip) {
			pSize = prefSize;
			img = createImage (ip);
			prepareImage (img, this);
		}
		
		private Dimension pSize;
		private Image img;
		
	    public Dimension getPreferredSize() {
	    	return pSize;
	    }

		public void paint (Graphics g) {
			g.drawImage (img, 0, 0, pSize.width, pSize.height, this);
		}
		// stops flicker as we have no background color to erase
		public void update (Graphics g) {
			paint (g);
		}
	}
}

