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Java > Open Source Codes > proguard > gui > splash > ImageSprite


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the Free
9  * Software Foundation; either version 2 of the License, or (at your option)
10  * any later version.
11  *
12  * This program is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 package proguard.gui.splash;
22
23 import java.awt.*;
24
25 /**
26  * This Sprite represents an animated image.
27  *
28  * @author Eric Lafortune
29  */
30 public class ImageSprite implements Sprite
31 {
32     private Image image;
33     private VariableInt x;
34     private VariableInt y;
35     private VariableDouble scaleX;
36     private VariableDouble scaleY;
37
38
39     /**
40      * Creates a new ImageSprite.
41      * @param image the Image to be painted.
42      * @param x the variable x-coordinate of the upper-left corner of the image.
43      * @param y the variable y-coordinate of the upper-left corner of the image.
44      * @param scaleX the variable x-scale of the image.
45      * @param scaleY the variable y-scale of the image.
46      */
47     public ImageSprite(Image image,
48                        VariableInt x,
49                        VariableInt y,
50                        VariableDouble scaleX,
51                        VariableDouble scaleY)
52     {
53         this.image = image;
54         this.x = x;
55         this.y = y;
56         this.scaleX = scaleX;
57         this.scaleY = scaleY;
58     }
59
60
61     // Implementation for Sprite.
62
63     public void paint(Graphics graphics, long time)
64     {
65         int xt = x.getInt(time);
66         int yt = y.getInt(time);
67
68         double scale_x = scaleX.getDouble(time);
69         double scale_y = scaleY.getDouble(time);
70
71         int width = (int)(image.getWidth(null) * scale_x);
72         int height = (int)(image.getHeight(null) * scale_y);
73
74         graphics.drawImage(image, xt, yt, width, height, null);
75     }
76 }
77
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