CircleSprite.java revision cfead78069f3dc32998dc118ee08cab3867acea2 
1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2011 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 circle. It can optionally be filled.
27 *
28 * @author Eric Lafortune
29 */
30public class CircleSprite implements Sprite
31{
32    private final boolean     filled;
33    private final VariableInt x;
34    private final VariableInt y;
35    private final VariableInt radius;
36
37
38    /**
39     * Creates a new CircleSprite.
40     * @param filled specifies whether the rectangle should be filled.
41     * @param x      the variable x-coordinate of the center of the circle.
42     * @param y      the variable y-coordinate of the center of the circle.
43     * @param radius the variable radius of the circle.
44     */
45    public CircleSprite(boolean     filled,
46                        VariableInt x,
47                        VariableInt y,
48                        VariableInt radius)
49    {
50        this.filled = filled;
51        this.x      = x;
52        this.y      = y;
53        this.radius = radius;
54    }
55
56
57    // Implementation for Sprite.
58
59    public void paint(Graphics graphics, long time)
60    {
61        int xt = x.getInt(time);
62        int yt = y.getInt(time);
63        int r  = radius.getInt(time);
64
65        if (filled)
66        {
67            graphics.fillOval(xt - r, yt - r, 2 * r, 2 * r);
68        }
69        else
70        {
71            graphics.drawOval(xt - r, yt - r, 2 * r, 2 * r);
72        }
73    }
74}
75