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
17package android.text.style;
18
19import android.os.Parcel;
20import android.text.ParcelableSpan;
21import android.text.TextPaint;
22import android.text.TextUtils;
23
24public 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