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 
FloatAnimation(float from, float to, int duration)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
onCalculate(float progress)33     protected void onCalculate(float progress) {
34         mCurrent = mFrom + (mTo - mFrom) * progress;
35     }
36 
get()37     public float get() {
38         return mCurrent;
39     }
40 }
41