Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 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.util; |
| 18 | |
| 19 | public class IntArray { |
| 20 | private static final int INIT_CAPACITY = 8; |
| 21 | |
| 22 | private int mData[] = new int[INIT_CAPACITY]; |
| 23 | private int mSize = 0; |
| 24 | |
| 25 | public void add(int value) { |
| 26 | if (mData.length == mSize) { |
| 27 | int temp[] = new int[mSize + mSize]; |
| 28 | System.arraycopy(mData, 0, temp, 0, mSize); |
| 29 | mData = temp; |
| 30 | } |
| 31 | mData[mSize++] = value; |
| 32 | } |
| 33 | |
| 34 | public int size() { |
| 35 | return mSize; |
| 36 | } |
| 37 | |
Chih-Chung Chang | 980724b | 2012-02-22 08:00:31 +0800 | [diff] [blame] | 38 | // For testing only |
Owen Lin | a2fba68 | 2011-08-17 22:07:43 +0800 | [diff] [blame] | 39 | public int[] toArray(int[] result) { |
| 40 | if (result == null || result.length < mSize) { |
| 41 | result = new int[mSize]; |
| 42 | } |
| 43 | System.arraycopy(mData, 0, result, 0, mSize); |
| 44 | return result; |
| 45 | } |
| 46 | |
| 47 | public int[] getInternalArray() { |
| 48 | return mData; |
| 49 | } |
| 50 | |
| 51 | public void clear() { |
| 52 | mSize = 0; |
| 53 | if (mData.length != INIT_CAPACITY) mData = new int[INIT_CAPACITY]; |
| 54 | } |
| 55 | } |