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      1 /*
      2  * Copyright (C) 2012 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.util;
     18 
     19 // This is an array whose index ranges from min to max (inclusive).
     20 public class RangeIntArray {
     21     private int[] mData;
     22     private int mOffset;
     23 
     24     public RangeIntArray(int min, int max) {
     25         mData = new int[max - min + 1];
     26         mOffset = min;
     27     }
     28 
     29     // Wraps around an existing array
     30     public RangeIntArray(int[] src, int min, int max) {
     31         mData = src;
     32         mOffset = min;
     33     }
     34 
     35     public void put(int i, int object) {
     36         mData[i - mOffset] = object;
     37     }
     38 
     39     public int get(int i) {
     40         return mData[i - mOffset];
     41     }
     42 
     43     public int indexOf(int object) {
     44         for (int i = 0; i < mData.length; i++) {
     45             if (mData[i] == object) return i + mOffset;
     46         }
     47         return Integer.MAX_VALUE;
     48     }
     49 }
     50