1 /* 2 * Copyright (C) 2008 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.style; 18 19 import android.os.Parcel; 20 import android.text.ParcelableSpan; 21 import android.text.TextPaint; 22 import android.text.TextUtils; 23 24 public class AbsoluteSizeSpan extends MetricAffectingSpan implements ParcelableSpan { 25 26 private final int mSize; 27 private boolean mDip; 28 29 /** 30 * Set the text size to <code>size</code> physical pixels. 31 */ 32 public AbsoluteSizeSpan(int size) { 33 mSize = size; 34 } 35 36 /** 37 * Set the text size to <code>size</code> physical pixels, 38 * or to <code>size</code> device-independent pixels if 39 * <code>dip</code> is true. 40 */ 41 public AbsoluteSizeSpan(int size, boolean dip) { 42 mSize = size; 43 mDip = dip; 44 } 45 46 public AbsoluteSizeSpan(Parcel src) { 47 mSize = src.readInt(); 48 mDip = src.readInt() != 0; 49 } 50 51 public int getSpanTypeId() { 52 return TextUtils.ABSOLUTE_SIZE_SPAN; 53 } 54 55 public int describeContents() { 56 return 0; 57 } 58 59 public void writeToParcel(Parcel dest, int flags) { 60 dest.writeInt(mSize); 61 dest.writeInt(mDip ? 1 : 0); 62 } 63 64 public int getSize() { 65 return mSize; 66 } 67 68 public boolean getDip() { 69 return mDip; 70 } 71 72 @Override 73 public void updateDrawState(TextPaint ds) { 74 if (mDip) { 75 ds.setTextSize(mSize * ds.density); 76 } else { 77 ds.setTextSize(mSize); 78 } 79 } 80 81 @Override 82 public void updateMeasureState(TextPaint ds) { 83 if (mDip) { 84 ds.setTextSize(mSize * ds.density); 85 } else { 86 ds.setTextSize(mSize); 87 } 88 } 89 } 90