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.ui;
18 
19 public class RelativePosition {
20     private float mAbsoluteX;
21     private float mAbsoluteY;
22     private float mReferenceX;
23     private float mReferenceY;
24 
setAbsolutePosition(int absoluteX, int absoluteY)25     public void setAbsolutePosition(int absoluteX, int absoluteY) {
26         mAbsoluteX = absoluteX;
27         mAbsoluteY = absoluteY;
28     }
29 
setReferencePosition(int x, int y)30     public void setReferencePosition(int x, int y) {
31         mReferenceX = x;
32         mReferenceY = y;
33     }
34 
getX()35     public float getX() {
36         return mAbsoluteX - mReferenceX;
37     }
38 
getY()39     public float getY() {
40         return mAbsoluteY - mReferenceY;
41     }
42 }
43