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Java > Open Source Codes > com > jgoodies > animation > animations > GlyphAnimation


1 /*
2  * Copyright (c) 2001-2004 JGoodies Karsten Lentzsch. All Rights Reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  * o Redistributions of source code must retain the above copyright notice,
8  * this list of conditions and the following disclaimer.
9  *
10  * o Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  *
14  * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15  * its contributors may be used to endorse or promote products derived
16  * from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30
31 package com.jgoodies.animation.animations;
32
33 import com.jgoodies.animation.AbstractAnimation;
34 import com.jgoodies.animation.components.GlyphLabel;
35
36 /**
37  * A text based animation that changes the scaling of the text's
38  * individual glyphs over the time.
39  *
40  * @author Karsten Lentzsch
41  * @version $Revision: 1.3 $
42  */
43 public final class GlyphAnimation extends AbstractAnimation {
44
45     private final GlyphLabel label;
46     private final String JavaDoc text;
47
48     /**
49      * Constructs an animation that changes the scaling of individual
50      * glyphs over the duration.
51      *
52      * @param label the animation target label
53      * @param duration the animation duration
54      * @param glyphDelay a delay used to scale glyphs differently
55      * @param text the text to animation
56      */
57     public GlyphAnimation(
58         GlyphLabel label,
59         long duration,
60         long glyphDelay,
61         String JavaDoc text) {
62         super(duration);
63         this.label = label;
64         this.text = text;
65     }
66
67     /**
68      * Applies the effect: sets the text and time.
69      *
70      * @param time the render time position
71      */
72     protected void applyEffect(long time) {
73         label.setText(time == 0 ? " " : text);
74         if (time < duration())
75             label.setTime(time);
76     }
77
78 }
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