/*

 * QuickTime for Java SDK Sample Code

   Usage subject to restrictions in SDK License Agreement

 * Copyright: © 1996-1999 Apple Computer, Inc.

 */

import java.awt.*;

import java.awt.event.*;

import java.io.IOException;

import java.io.File;

import quicktime.*;

import quicktime.qd.*;

import quicktime.io.*;

import quicktime.app.image.*;

import quicktime.app.display.*;

import quicktime.app.QTFactory;

import quicktime.util.*;

import quicktime.app.anim.*;

import quicktime.app.actions.*;

import quicktime.std.image.*;

public final class SpriteDemoApp extends Frame {

    public static void main (String[] args) {

        try {

            QTSession.open();

            SpriteDemoApp win = new SpriteDemoApp ("QT in Java");

            win.show();

            win.toFront();

        } catch (Exception e) {

            QTSession.close();

            e.printStackTrace();

        }

    }

    MovingQTCanvas c1;

    MovingQTCanvas c2;

    boolean c1Active;

    SpriteDemoApp (String s) throws Exception {

        super(s);

        setResizable (false);

        setLayout(new BorderLayout());

        setBounds (0, 0, 400, 220);

        addWindowListener (new WindowAdapter() {

            public void windowClosing (WindowEvent we) {

                c1.cleanup();

                c2.cleanup();

                QTSession.close();

                dispose();

            }

            public void windowClosed (WindowEvent we) {

                System.exit(0);

            }

        });

        Compositor shipAnimation = new Compositor (new QDGraphics (new QDRect(200, 200)), 

                                                    QDColor.yellow, 20, 1); 

        addSprites (shipAnimation);

        shipAnimation.getTimer().setRate(1);

        c1 = new MovingQTCanvas (shipAnimation);

        add("West", c1);

        c1.setClient (shipAnimation, true);

        c2 = new MovingQTCanvas (shipAnimation);

        add("East", c2);

        Button b = new Button ("Click Here To Make Sprites Jump");

        b.addActionListener (new ActionListener () {

            boolean c1Active = true;

            public void actionPerformed (ActionEvent event) {

                if (c1Active) {

                    c1.removeClient();

                    c2.doSetClient();

                } else {

                    c2.removeClient();

                    c1.doSetClient();

                }

                c1Active = ! c1Active;

            }

        });

        add("North", b);

    }

    // this is used to change the rates when the clients are changed

    static int r = 2;

    class MovingQTCanvas extends QTCanvas {

        MovingQTCanvas (Compositor anim) {

            client = anim;

        }

        Compositor client;

        void doSetClient() {

            try {

                setClient (client, true);

                if (r++ % 3 == 0)

                    client.getTimer().setRate(0);

                else {

                    float rt = client.getTimer().getRate();

                    if (rt == 0)

                        client.getTimer().setRate (1);

                    else

                        client.getTimer().setRate (-client.getTimer().getRate());

                }

            } catch (QTException e) {

                e.printStackTrace();

            }

        }

        public void cleanup () {

            client = null;

            removeClient();

        }

    }

    static void addSprites (Compositor sh) throws IOException, QTException {

        File matchFile = QTFactory.findAbsolutePath ("images/Ship01.pct");  //this file must exist in the directory!!!  

        ImageDataSequence isp = ImageUtil.createSequence (matchFile);

        ImageDataSequence seq = ImageUtil.makeTransparent (isp, QDColor.blue);

// Build Sprites

        Matrix matrix1 = new Matrix();

        matrix1.setTx(20);

        matrix1.setTy(20);

        matrix1.setSx(0.8F);

        matrix1.setSy(0.8F);

        TwoDSprite s1 = new TwoDSprite(seq, 4, matrix1, true, 1);

        sh.addMember (s1);

        Matrix matrix2 = new Matrix();  

        matrix2.setTx(4);

        matrix2.setTy(4);

        TwoDSprite s2 = new TwoDSprite(seq, 1, matrix2, true, 10);

        sh.addMember (s2);

        // This needs to be a 32bit QDGraphics so the blend mode will 

        // be applied correctly to this sprite

        File shipFile = QTFactory.findAbsolutePath ("images/Ship10.pct");

        GraphicsImporterDrawer ip = new GraphicsImporterDrawer (new QTFile(shipFile));

        QDRect r = new QDRect (ip.getDescription().getWidth(), ip.getDescription().getHeight());

        ImageSpec si = ImageUtil.makeTransparent (ip, QDColor.blue, new QDGraphics (QDGraphics.kDefaultPixelFormat, r));

        Matrix matrix3 = new Matrix();  

        matrix3.setTx(50);

        matrix3.setTy(50);

        TwoDSprite s3 = new TwoDSprite(si, matrix3, true, 8, new GraphicsMode (QDConstants.blend, QDColor.green));

        sh.addMember(s3);

// Build ActionList

        SimpleActionList al = new SimpleActionList();

        ImageSequencer is = new ImageSequencer (seq);

        is.setLooping (ImageSequencer.kLoopForwards);

        al.addMember (new NextImageAction (10, 1, is, s1));

        al.addMember (new BounceAction (5, 1, sh, s1, 3, 2));

        ImageSequencer is2 = new ImageSequencer (seq);

        is2.setLooping (ImageSequencer.kLoopForwards);

        al.addMember (new NextImageAction (20, 1, is2, s2));

        al.addMember (new BounceAction (20, 1, sh, s2, 4, 3));

        sh.addController(al);

    }

}