1 /* 2 * Copyright (C) 2014 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 android.text; 18 19 import android.annotation.Nullable; 20 21 // Based on the native implementation of TabStops in 22 // frameworks/base/core/jni/android_text_StaticLayout.cpp revision b808260 23 public class TabStops { 24 @Nullable 25 private int[] mStops; 26 private final int mTabWidth; 27 28 public TabStops(@Nullable int[] stops, int defaultTabWidth) { 29 mTabWidth = defaultTabWidth; 30 mStops = stops; 31 } 32 33 public float width(float widthSoFar) { 34 if (mStops != null) { 35 for (int i : mStops) { 36 if (i > widthSoFar) { 37 return i; 38 } 39 } 40 } 41 // find the next tabStop after widthSoFar. 42 return (int) ((widthSoFar + mTabWidth) / mTabWidth) * mTabWidth; 43 } 44 } 45
