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