| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| package proguard.gui.splash; |
| |
| /** |
| * This Timing ramps up linearly from 0 to 1 in a given time interval. |
| * |
| * @author Eric Lafortune |
| */ |
| public class LinearTiming implements Timing |
| { |
| private final long fromTime; |
| private final long toTime; |
| |
| |
| /** |
| * Creates a new LinearTiming. |
| * @param fromTime the time at which the timing starts ramping up from 0. |
| * @param toTime the time at which the timing stops ramping up at 1. |
| */ |
| public LinearTiming(long fromTime, long toTime) |
| { |
| this.fromTime = fromTime; |
| this.toTime = toTime; |
| } |
| |
| |
| // Implementation for Timing. |
| |
| public double getTiming(long time) |
| { |
| // Compute the clamped linear interpolation. |
| return time <= fromTime ? 0.0 : |
| time >= toTime ? 1.0 : |
| (double)(time - fromTime) / (double)(toTime - fromTime); |
| } |
| } |