Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
src/qteffect/TransitionPanel.java
/* |
File: TransitionPanel.java |
Description: This demo program shows how to use QuickTime's visual effects architecture |
as applied to two source images. The effects are applied in realtime - |
controlled by the user settings in the window. |
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 |
COMBINATION WITH YOUR PRODUCTS. |
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR |
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION |
OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT |
(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Change History (most recent first): |
11/22/2002 md new SampleCode revisions |
*/ |
package qteffect; |
import java.awt.*; |
import java.awt.event.*; |
import quicktime.*; |
import quicktime.std.image.*; |
import quicktime.app.image.QTTransition; |
import quicktime.app.display.*; |
import PlayQTEffectApp; |
/** |
* A simple panel of AWT objects to demonstrate how AWT can be used to control a |
* QuickTime movie. |
*/ |
public class TransitionPanel extends Panel implements Errors { |
//_________________________ CLASS METHODS |
public TransitionPanel (QTTransition ef, QTCanvas c) throws QTException { |
this.transition = ef; |
final QTCanvas cv = c; |
GridBagLayout gb = new GridBagLayout(); |
setLayout (gb); |
setFont (new Font("Helvetica", Font.BOLD, 10)); |
GridBagConstraints cons = new GridBagConstraints(); |
cons.fill = GridBagConstraints.HORIZONTAL; |
cons.gridheight = 1; |
cons.insets = new Insets (2, 2, 2, 2); |
cons.gridy = 0; |
cons.gridwidth = 3; |
cons.gridx = 0; |
add (runEffectButton, cons); |
cons.gridx = 3; |
add (chooseEffectButton, cons); |
++cons.gridy; |
cons.gridwidth = 2; |
cons.gridx = 0; |
add (timeLabel, cons); |
cons.gridx = 2; |
add (timeField, cons); |
cons.gridx = 4; |
add (timeButton, cons); |
++cons.gridy; |
cons.gridwidth = 2; |
cons.gridx = 0; |
add (frameLabel, cons); |
cons.gridx = 2; |
add (frameField, cons); |
cons.gridx = 4; |
add (frameButton, cons); |
++cons.gridy; |
cons.gridwidth = 2; |
cons.gridx = 0; |
add (fpsLabel, cons); |
cons.gridx = 2; |
add (fpsField, cons); |
timeField.addActionListener (new ActionListener () { |
public void actionPerformed (ActionEvent event) { |
String str = new String (event.getActionCommand()); |
String output = ""; |
for (int i = 0; i < str.length(); i++) { |
if (Character.isDigit (str.charAt (i))) |
output += str.charAt (i); |
else |
break; |
} |
try { |
transition.setTime (new Integer (output).intValue()); |
timeField.setText (Integer.toString (transition.getTime())); |
frameField.setText (Integer.toString (transition.getFrames())); |
} catch (QTException e) { |
e.printStackTrace(); |
} |
} |
}); |
frameField.addActionListener (new ActionListener () { |
public void actionPerformed (ActionEvent event) { |
String str = new String (event.getActionCommand()); |
String output = ""; |
for (int i = 0; i < str.length(); i++) { |
if (Character.isDigit (str.charAt (i))) |
output += str.charAt (i); |
else |
break; |
} |
try { |
transition.setFrames (new Integer (output).intValue()); |
timeField.setText (Integer.toString (transition.getTime())); |
frameField.setText (Integer.toString (transition.getFrames())); |
} catch (QTException e) { |
e.printStackTrace(); |
} |
} |
}); |
fpsField.addActionListener (new ActionListener () { |
public void actionPerformed (ActionEvent event) { |
String str = new String (event.getActionCommand()); |
String output = ""; |
for (int i = 0; i < str.length(); i++) { |
if (Character.isDigit (str.charAt (i))) |
output += str.charAt (i); |
else |
break; |
} |
try { |
transition.setFramesPerSecond (new Integer (output).intValue()); |
frameField.setText (Integer.toString (transition.getFrames())); |
} catch (QTException e) { |
e.printStackTrace(); |
} |
} |
}); |
runEffectButton.addActionListener (new ActionListener () { |
public void actionPerformed (ActionEvent event) { |
try { |
transition.doTransition(); |
if (transition.isProfiled()) { |
String profileString = "Transition Profile:" |
+ "requestedDuration:" + transition.getTime() |
+ ",actualDuration:" + transition.profileDuration() |
+ ",requestedFrames:" + transition.getFrames() |
+ ",framesRendered=" + transition.profileFramesRendered() |
+ ",averageRenderTimePerFrame=" + (transition.profileDuration() / transition.profileFramesRendered()); |
System.out.println (profileString); |
} |
} catch (QTException e) { |
if (e.errorCode() != userCanceledErr) |
e.printStackTrace(); |
} |
} |
}); |
chooseEffectButton.addActionListener (new ActionListener () { |
public void actionPerformed (ActionEvent event) { |
if (PlayQTEffectApp.useEnhancedParameterDialog) { |
try { |
PlayQTEffectApp.showEffectDialog (transition); |
} catch (QTException e) { |
if (e.errorCode() != userCanceledErr) |
e.printStackTrace(); |
} catch (java.io.IOException ioe) { |
ioe.printStackTrace(); |
} |
} else { |
try { |
PlayQTEffectApp.showDialog (transition); |
} catch (QTException e) { |
if (e.errorCode() != userCanceledErr) |
e.printStackTrace(); |
} |
} |
} |
}); |
frameButton.addItemListener (new ItemListener () { |
public void itemStateChanged (ItemEvent event) { |
transition.doTime (false); |
} |
}); |
timeButton.addItemListener (new ItemListener () { |
public void itemStateChanged (ItemEvent event) { |
transition.doTime (true); |
} |
}); |
timeField.setText (Integer.toString (transition.getTime())); |
frameField.setText (Integer.toString (transition.getFrames())); |
fpsField.setText (Integer.toString (transition.getFramesPerSecond())); |
} |
//_________________________ INSTANCE VARIABLES |
private Button runEffectButton = new Button("Run Effect"); |
private Button chooseEffectButton = new Button("Choose Effect"); |
private Label timeLabel = new Label ("Effect Length (msecs):", Label.RIGHT); |
private TextField timeField = new TextField (8); |
private Label frameLabel = new Label ("Total Frames:", Label.RIGHT); |
private TextField frameField = new TextField (8); |
private Label fpsLabel = new Label ("Frames Per Second:", Label.RIGHT); |
private TextField fpsField = new TextField (8); |
private CheckboxGroup cbg = new CheckboxGroup (); |
private Checkbox timeButton = new Checkbox ("Time", cbg, true); |
private Checkbox frameButton = new Checkbox ("Frames", cbg, false); |
private QTTransition transition; |
//_________________________ INSTANCE METHODS |
/** |
* @return a Dimension object which defines the minimum size |
*/ |
public Dimension getMinimumSize() { return new Dimension (0, 100); } |
/** |
* @return a Dimension object which defines the preferred size |
*/ |
public Dimension getPreferredSize() { return getMinimumSize(); } |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14