1 /*

     2  *

     3  * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  *

     9  *   - Redistributions of source code must retain the above copyright

    10  *     notice, this list of conditions and the following disclaimer.

    11  *

    12  *   - Redistributions in binary form must reproduce the above copyright

    13  *     notice, this list of conditions and the following disclaimer in the

    14  *     documentation and/or other materials provided with the distribution.

    15  *

    16  *   - Neither the name of Oracle nor the names of its

    17  *     contributors may be used to endorse or promote products derived

    18  *     from this software without specific prior written permission.

    19  *

    20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

    21  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

    22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

    24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

    28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

    29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

    30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    31  */

    32 package java2d.demos.Images;

    33 

    34 

    35 import java.awt.*;

    36 import javax.swing.JButton;

    37 import java.awt.image.ImageObserver;

    38 import java2d.AnimatingSurface;

    39 import java2d.DemoPanel;

    40 

    41 

    42 /**

    43  * Animated gif with a transparent background.

    44  */

    45 @SuppressWarnings("serial")

    46 public class DukeAnim extends AnimatingSurface implements ImageObserver {

    47 

    48     private static Image agif, clouds;

    49     private static int aw, ah, cw;

    50     private int x;

    51     private JButton b;

    52 

    53     @SuppressWarnings("LeakingThisInConstructor")

    54     public DukeAnim() {

    55         setBackground(Color.white);

    56         clouds = getImage("clouds.jpg");

    57         agif = getImage("duke.running.gif");

    58         aw = agif.getWidth(this) / 2;

    59         ah = agif.getHeight(this) / 2;

    60         cw = clouds.getWidth(this);

    61         dontThread = true;

    62     }

    63 

    64     @Override

    65     public void reset(int w, int h) {

    66         b = ((DemoPanel) getParent()).tools.startStopB;

    67     }

    68 

    69     @Override

    70     public void step(int w, int h) {

    71     }

    72 

    73     @Override

    74     public void render(int w, int h, Graphics2D g2) {

    75         if ((x -= 3) <= -cw) {

    76             x = w;

    77         }

    78         g2.drawImage(clouds, x, 10, cw, h - 20, this);

    79         g2.drawImage(agif, w / 2 - aw, h / 2 - ah, this);

    80     }

    81 

    82     @Override

    83     public boolean imageUpdate(Image img, int infoflags,

    84             int x, int y, int width, int height) {

    85         if (b.isSelected() && (infoflags & ALLBITS) != 0) {

    86             repaint();

    87         }

    88         if (b.isSelected() && (infoflags & FRAMEBITS) != 0) {

    89             repaint();

    90         }

    91         return isShowing();

    92     }

    93 

    94     public static void main(String s[]) {

    95         createDemoFrame(new DukeAnim());

    96     }

    97 }