1 /* 2 * Copyright (C) 2011 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.settings.widget; 18 19 import android.content.res.Resources; 20 import android.text.SpannableStringBuilder; 21 22 /** 23 * Utility to invert another {@link ChartAxis}. 24 */ 25 public class InvertedChartAxis implements ChartAxis { 26 private final ChartAxis mWrapped; 27 private float mSize; 28 29 public InvertedChartAxis(ChartAxis wrapped) { 30 mWrapped = wrapped; 31 } 32 33 @Override 34 public boolean setBounds(long min, long max) { 35 return mWrapped.setBounds(min, max); 36 } 37 38 @Override 39 public boolean setSize(float size) { 40 mSize = size; 41 return mWrapped.setSize(size); 42 } 43 44 @Override 45 public float convertToPoint(long value) { 46 return mSize - mWrapped.convertToPoint(value); 47 } 48 49 @Override 50 public long convertToValue(float point) { 51 return mWrapped.convertToValue(mSize - point); 52 } 53 54 @Override 55 public long buildLabel(Resources res, SpannableStringBuilder builder, long value) { 56 return mWrapped.buildLabel(res, builder, value); 57 } 58 59 @Override 60 public float[] getTickPoints() { 61 final float[] points = mWrapped.getTickPoints(); 62 for (int i = 0; i < points.length; i++) { 63 points[i] = mSize - points[i]; 64 } 65 return points; 66 } 67 68 @Override 69 public int shouldAdjustAxis(long value) { 70 return mWrapped.shouldAdjustAxis(value); 71 } 72 } 73
