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 getSpanTypeIdInternal(); 53 } 54 55 /** @hide */ 56 public int getSpanTypeIdInternal() { 57 return TextUtils.ABSOLUTE_SIZE_SPAN; 58 } 59 60 public int describeContents() { 61 return 0; 62 } 63 64 public void writeToParcel(Parcel dest, int flags) { 65 writeToParcelInternal(dest, flags); 66 } 67 68 /** @hide */ 69 public void writeToParcelInternal(Parcel dest, int flags) { 70 dest.writeInt(mSize); 71 dest.writeInt(mDip ? 1 : 0); 72 } 73 74 public int getSize() { 75 return mSize; 76 } 77 78 public boolean getDip() { 79 return mDip; 80 } 81 82 @Override 83 public void updateDrawState(TextPaint ds) { 84 if (mDip) { 85 ds.setTextSize(mSize * ds.density); 86 } else { 87 ds.setTextSize(mSize); 88 } 89 } 90 91 @Override 92 public void updateMeasureState(TextPaint ds) { 93 if (mDip) { 94 ds.setTextSize(mSize * ds.density); 95 } else { 96 ds.setTextSize(mSize); 97 } 98 } 99 } 100
