01: /*
02: * ProGuard -- shrinking, optimization, obfuscation, and preverification
03: * of Java bytecode.
04: *
05: * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
06: *
07: * This program is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License as published by the Free
09: * 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 displays another Sprite in a given time interval.
27: * The time of the encapsulated Sprite is shifted by the start time.
28: *
29: * @author Eric Lafortune
30: */
31: public class TimeSwitchSprite implements Sprite {
32: private final long onTime;
33: private final long offTime;
34: private final Sprite sprite;
35:
36: /**
37: * Creates a new TimeSwitchSprite for displaying a given Sprite starting at
38: * a given time.
39: * @param onTime the start time.
40: * @param sprite the toggled Sprite.
41: */
42: public TimeSwitchSprite(long onTime, Sprite sprite) {
43: this (onTime, 0L, sprite);
44: }
45:
46: /**
47: * Creates a new TimeSwitchSprite for displaying a given Sprite in a given
48: * time interval.
49: * @param onTime the start time.
50: * @param offTime the stop time.
51: * @param sprite the toggled Sprite.
52: */
53: public TimeSwitchSprite(long onTime, long offTime, Sprite sprite) {
54: this .onTime = onTime;
55: this .offTime = offTime;
56: this .sprite = sprite;
57: }
58:
59: // Implementation for Sprite.
60:
61: public void paint(Graphics graphics, long time) {
62: if (time >= onTime && (offTime <= 0 || time <= offTime)) {
63: sprite.paint(graphics, time - onTime);
64: }
65:
66: }
67: }
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