SubscriptSpan.java revision a70d4a90a029910f788c3e7f8715cf3b842b1e2b
1/*
2 * Copyright (C) 2006 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
17package android.text.style;
18
19import android.os.Parcel;
20import android.text.ParcelableSpan;
21import android.text.TextPaint;
22import android.text.TextUtils;
23
24public class SubscriptSpan extends MetricAffectingSpan implements ParcelableSpan {
25    public SubscriptSpan() {
26    }
27
28    public SubscriptSpan(Parcel src) {
29    }
30
31    public int getSpanTypeId() {
32        return getSpanTypeIdInternal();
33    }
34
35    /** @hide */
36    public int getSpanTypeIdInternal() {
37        return TextUtils.SUBSCRIPT_SPAN;
38    }
39
40    public int describeContents() {
41        return 0;
42    }
43
44    public void writeToParcel(Parcel dest, int flags) {
45        writeToParcelInternal(dest, flags);
46    }
47
48    /** @hide */
49    public void writeToParcelInternal(Parcel dest, int flags) {
50    }
51
52    @Override
53    public void updateDrawState(TextPaint tp) {
54        tp.baselineShift -= (int) (tp.ascent() / 2);
55    }
56
57    @Override
58    public void updateMeasureState(TextPaint tp) {
59        tp.baselineShift -= (int) (tp.ascent() / 2);
60    }
61}
62