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-rw-r--r--src/com/android/gallery3d/util/RangeIntArray.java49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/util/RangeIntArray.java b/src/com/android/gallery3d/util/RangeIntArray.java
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+++ b/src/com/android/gallery3d/util/RangeIntArray.java
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+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.util;
+
+// This is an array whose index ranges from min to max (inclusive).
+public class RangeIntArray {
+ private int[] mData;
+ private int mOffset;
+
+ public RangeIntArray(int min, int max) {
+ mData = new int[max - min + 1];
+ mOffset = min;
+ }
+
+ // Wraps around an existing array
+ public RangeIntArray(int[] src, int min, int max) {
+ mData = src;
+ mOffset = min;
+ }
+
+ public void put(int i, int object) {
+ mData[i - mOffset] = object;
+ }
+
+ public int get(int i) {
+ return mData[i - mOffset];
+ }
+
+ public int indexOf(int object) {
+ for (int i = 0; i < mData.length; i++) {
+ if (mData[i] == object) return i + mOffset;
+ }
+ return Integer.MAX_VALUE;
+ }
+}