1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settingslib.drawable;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import com.android.settingslib.R;
/**
* Converts the user avatar icon to a circularly clipped one.
* TODO: Move this to an internal framework class and share with the one in Keyguard.
*/
public class CircleFramedDrawable extends Drawable {
private final Bitmap mBitmap;
private final int mSize;
private final Paint mPaint;
private float mScale;
private Rect mSrcRect;
private RectF mDstRect;
public static CircleFramedDrawable getInstance(Context context, Bitmap icon) {
Resources res = context.getResources();
float iconSize = res.getDimension(R.dimen.circle_avatar_size);
CircleFramedDrawable instance = new CircleFramedDrawable(icon, (int) iconSize);
return instance;
}
public CircleFramedDrawable(Bitmap icon, int size) {
super();
mSize = size;
mBitmap = Bitmap.createBitmap(mSize, mSize, Bitmap.Config.ARGB_8888);
final Canvas canvas = new Canvas(mBitmap);
final int width = icon.getWidth();
final int height = icon.getHeight();
final int square = Math.min(width, height);
final Rect cropRect = new Rect((width - square) / 2, (height - square) / 2, square, square);
final RectF circleRect = new RectF(0f, 0f, mSize, mSize);
final Path fillPath = new Path();
fillPath.addArc(circleRect, 0f, 360f);
canvas.drawColor(0, PorterDuff.Mode.CLEAR);
// opaque circle matte
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setColor(Color.BLACK);
mPaint.setStyle(Paint.Style.FILL);
canvas.drawPath(fillPath, mPaint);
// mask in the icon where the bitmap is opaque
mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(icon, cropRect, circleRect, mPaint);
// prepare paint for frame drawing
mPaint.setXfermode(null);
mScale = 1f;
mSrcRect = new Rect(0, 0, mSize, mSize);
mDstRect = new RectF(0, 0, mSize, mSize);
}
@Override
public void draw(Canvas canvas) {
final float inside = mScale * mSize;
final float pad = (mSize - inside) / 2f;
mDstRect.set(pad, pad, mSize - pad, mSize - pad);
canvas.drawBitmap(mBitmap, mSrcRect, mDstRect, null);
}
public void setScale(float scale) {
mScale = scale;
}
public float getScale() {
return mScale;
}
@Override
public int getOpacity() {
return PixelFormat.TRANSLUCENT;
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getIntrinsicWidth() {
return mSize;
}
@Override
public int getIntrinsicHeight() {
return mSize;
}
}
|
