LinearInt.java revision 9f606f95f03a75961498803e24bee6799a7c0885 
1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2009 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
23/**
24 * This VariableColor varies linearly with respect to its Timing.
25 *
26 * @author Eric Lafortune
27 */
28public class LinearInt implements VariableInt
29{
30    private final int    fromValue;
31    private final int    toValue;
32    private final Timing timing;
33
34
35    /**
36     * Creates a new LinearInt.
37     * @param fromValue the value that corresponds to a timing of 0.
38     * @param toValue   the value that corresponds to a timing of 1.
39     * @param timing    the applied timing.
40     */
41    public LinearInt(int fromValue, int toValue, Timing timing)
42    {
43        this.fromValue = fromValue;
44        this.toValue   = toValue;
45        this.timing    = timing;
46    }
47
48
49    // Implementation for VariableInt.
50
51    public int getInt(long time)
52    {
53        return (int) (fromValue + timing.getTiming(time) * (toValue - fromValue));
54    }
55}
56