1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.anim; 18 19 public class FloatAnimation extends Animation { 20 21 private final float mFrom; 22 private final float mTo; 23 private float mCurrent; 24 25 public FloatAnimation(float from, float to, int duration) { 26 mFrom = from; 27 mTo = to; 28 mCurrent = from; 29 setDuration(duration); 30 } 31 32 @Override 33 protected void onCalculate(float progress) { 34 mCurrent = mFrom + (mTo - mFrom) * progress; 35 } 36 37 public float get() { 38 return mCurrent; 39 } 40 } 41
