1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 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 */
21package proguard.gui.splash;
22
23import java.awt.*;
24
25/**
26 * This Sprite represents an animated image.
27 *
28 * @author Eric Lafortune
29 */
30public class ImageSprite implements Sprite
31{
32    private final Image          image;
33    private final VariableInt    x;
34    private final VariableInt    y;
35    private final VariableDouble scaleX;
36    private final 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