/*

File: ImageProducing.java

Abstract: Generates AWT Image objects from a QuickTime movie

Version: 1.2

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*/

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.view.*;

import quicktime.util.*;

import quicktime.std.image.GraphicsMode;

import javax.swing.*;

import ip.*;

/** Draws images that are produced by the QTImageProducer that uses a MoviePlayer as the source

 */

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);

        }

    }

}