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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<title>QTButtonDemo - /src/QTButtonDemo.java</title>
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/LegacyTechnologies/index.html">Legacy Documents</a> > <a href="../../samplecode/LegacyTechnologies/idxQuickTime-date.html">QuickTime</a> > <A HREF="javascript:location.replace('index.html');">QTButtonDemo</A> >
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<div style="width:100%; position:fixed;"><div align="center" id="watermark" style="position: relative; margin-left:auto; margin-right:auto; z-index:20; width:500px;"><div class="legacybox"><h1>Legacy Document<span class=closebutton><a href="javascript:closeWatermark()"><img src="../../images/closebutton.png" width="14" height="14" border="0" alt="close button"></a></span></h1>
<p><strong>Important: </strong>This document is part of the Legacy section of the ADC Reference Library. This information should not be used for new development.</p>
<div class="reflibtopic">
<p>Current information on this Reference Library topic can be found here:</p>
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<li><a href="http://developer.apple.com/referencelibrary/QuickTime/idxJava-date.html" target="_blank">QuickTime > Java</a></li>
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<td><h1><div id="pagehead">QTButtonDemo</div></h1></td>
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<h2>/src/QTButtonDemo.java</h2>
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<p><strong><a href="QTButtonDemo.zip">Download Sample</a></strong> (“QTButtonDemo.zip”, 26.2K)<BR>
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<pre class="sourcecodebox">/*
* 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.*;
import quicktime.*;
import quicktime.app.*;
import quicktime.app.actions.*;
import quicktime.app.anim.*;
import quicktime.app.display.*;
import quicktime.app.event.*;
import quicktime.app.image.*;
import quicktime.app.players.*;
import quicktime.app.ui.*;
import quicktime.io.*;
import quicktime.qd.*;
import quicktime.std.*;
import quicktime.std.image.*;
import quicktime.std.movies.*;
import quicktime.util.*;
public class QTButtonDemo extends Frame {
public static void main(String args[]) {
try {
QTSession.open();
Frame window = new QTButtonDemo();
window.addWindowListener(new WindowAdapter() {
public void windowClosing (WindowEvent e) {
QTSession.close();
((Frame)e.getSource()).dispose();
}
public void windowClosed (WindowEvent e) {
System.exit(0);
}
});
window.pack();
window.show();
} catch (QTException e) {
if (e.errorCode() == Errors.userCanceledErr) {
QTSession.close();
System.exit(0);
}
e.printStackTrace();
QTSession.close();
}
}
QTButtonDemo() throws QTException {
super("QTButtonDemo");
// get movie
QTFile movieFile = QTFile.standardGetFilePreview(QTFile.kStandardQTFileTypes);
OpenMovieFile openedFile = OpenMovieFile.asRead (movieFile);
Movie mov = Movie.fromFile (openedFile);
mov.getTimeBase().setFlags (StdQTConstants.loopTimeBase);
final MoviePresenter moviePresenter = new MoviePresenter (mov);
QDRect size = moviePresenter.getDisplayBounds();
// make buttons
// create the images using the QDGraphics, you can use the above calls to use actual image files
QDRect r20 = new QDRect (20, 20);
ImagePresenter redImage = makeImagePresenter (r20, QDColor.red);
ImagePresenter greenImage = makeImagePresenter (r20, QDColor.green);
ImagePresenter blueImage = makeImagePresenter (r20, QDColor.blue);
ImagePresenter cyanImage = makeImagePresenter (r20, QDColor.cyan);
// create a release button which fires on mouse release
// this also has a rollover image - an image that changes when the user rolls over this button
ReleaseButton relButton = new ReleaseButton (redImage, greenImage, blueImage, cyanImage);
relButton.setLabel ("Release Button");
relButton.setLocation (0, size.getHeight());
// set an action to set the rate of the movie
relButton.addActionListener(new QTActionListener() {
public void actionPerformed(QTActionEvent e) {
try {
if (moviePresenter.getRate() == 0) {
moviePresenter.setRate (1);
} else
moviePresenter.setRate (0);
}catch (QTException ex) {
ex.printStackTrace();
}
}
});
//creates a press action button that fires when the mouse is on the button and the mouse button is pressed.
PressActionButton pressButton = new PressActionButton (blueImage,redImage, greenImage);
pressButton.setLabel ("Press Button");
pressButton.setLocation (size.getWidth() - 20, size.getHeight());
//action will change the time of the movie and print out the action event
pressButton.addActionListener (new QTActionListener() {
public void actionPerformed (QTActionEvent e) {
try {
moviePresenter.setTime (moviePresenter.getTime() - 10);
} catch( QTException ex) {
ex.printStackTrace();
}
}
});
// create a Compositor to hold the movie and the two buttons
Compositor comp = new Compositor (new QDGraphics (new QDRect(size.getWidth(), size.getHeight() + 20)), QDColor.yellow, 10, 1);
comp.getTimer().setRate(1);
//add the presenters and the buttons to the compositor
comp.addMember(moviePresenter);
comp.addMember(relButton);
comp.addMember(pressButton);
QTMouseTargetController buttonController = new QTMouseTargetController (false);
comp.addController (buttonController);
buttonController.addMember(pressButton);
buttonController.addMember(relButton);
buttonController.addQTMouseListener (new ButtonActivator () );
// create the canvas and display it in the Frame
QTCanvas myQTCanvas = new QTCanvas (QTCanvas.kPerformanceResize, 0.5f, 0.5f);
myQTCanvas.setClient (comp, true);
add("Center", myQTCanvas);
}
//create a raw-encoded image and its description from the QDGraphics and create a ImagePresenter to be used
//as the image for the buttons
private static ImagePresenter makeImagePresenter (QDRect size, QDColor col) throws QTException {
QDGraphics g = new QDGraphics (QDConstants.k4IndexedPixelFormat, size);
g.setBackColor (col);
g.eraseRect (null);
PixMap pm = g.getPixMap();
EncodedImage ei = pm.getPixelData();
ImageDescription id = new ImageDescription (pm);
return ImagePresenter.fromQTImage (ei, id);
}
}
</pre>
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