1 public class RoundImageView extends ImageView {
2 private Paint paint;
3 private int roundWidth = 50;
4 private int roundHeight = 50;
5 private Paint paint2;
6
7 public RoundImageView(Context context, AttributeSet attrs, int defStyle) {
8 super(context, attrs, defStyle);
9 init(context, attrs);
10 }
11
12 public RoundImageView(Context context, AttributeSet attrs) {
13 super(context, attrs);
14 init(context, attrs);
15 }
16
17 public void SetRoundValue(float roundValue) {
18 roundWidth = (int) roundValue;
19 roundHeight = (int) roundValue;
20 }
21
22 public RoundImageView(Context context) {
23 super(context);
24 init(context, null);
25 }
26
27 @SuppressLint("Recycle")
28 private void init(Context context, AttributeSet attrs) {
29
30 if (attrs != null) {
31 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RoundAngleImageView);
32 roundWidth = a.getDimensionPixelSize(R.styleable.RoundAngleImageView_roundWidth, roundWidth);
33 roundHeight = a.getDimensionPixelSize(R.styleable.RoundAngleImageView_roundHeight, roundHeight);
34 } else {
35 float density = context.getResources().getDisplayMetrics().density;
36 roundWidth = (int) (roundWidth * density);
37 roundHeight = (int) (roundHeight * density);
38 }
39
40 paint = new Paint();
41 paint.setColor(Color.WHITE);
42 paint.setAntiAlias(true);
43 paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
44
45 paint2 = new Paint();
46 paint2.setXfermode(null);
47 }
48
49 @Override
50 public void draw(Canvas canvas) {
51 Bitmap bitmap = Bitmap.createBitmap(getWidth(), getHeight(), Config.ARGB_8888);
52 Canvas canvas2 = new Canvas(bitmap);
53 super.draw(canvas2);
54 drawLiftUp(canvas2);
55 drawRightUp(canvas2);
56 drawLiftDown(canvas2);
57 drawRightDown(canvas2);
58 canvas.drawBitmap(bitmap, 0, 0, paint2);
59 bitmap.recycle();
60 bitmap = null;
61 }
62
63 private void drawLiftUp(Canvas canvas) {
64 Path path = new Path();
65 path.moveTo(0, roundHeight);
66 path.lineTo(0, 0);
67 path.lineTo(roundWidth, 0);
68 path.arcTo(new RectF(0, 0, roundWidth * 2, roundHeight * 2), -90, -90);
69 path.close();
70 canvas.drawPath(path, paint);
71 }
72
73 private void drawLiftDown(Canvas canvas) {
74 Path path = new Path();
75 path.moveTo(0, getHeight() - roundHeight);
76 path.lineTo(0, getHeight());
77 path.lineTo(roundWidth, getHeight());
78 path.arcTo(new RectF(0, getHeight() - roundHeight * 2, 0 + roundWidth * 2, getWidth()), 90, 90);
79 path.close();
80 canvas.drawPath(path, paint);
81 }
82
83 private void drawRightDown(Canvas canvas) {
84 Path path = new Path();
85 path.moveTo(getWidth() - roundWidth, getHeight());
86 path.lineTo(getWidth(), getHeight());
87 path.lineTo(getWidth(), getHeight() - roundHeight);
88 path.arcTo(new RectF(getWidth() - roundWidth * 2, getHeight() - roundHeight * 2, getWidth(), getHeight()), 0,
89 90);
90 path.close();
91 canvas.drawPath(path, paint);
92 }
93
94 private void drawRightUp(Canvas canvas) {
95 Path path = new Path();
96 path.moveTo(getWidth(), roundHeight);
97 path.lineTo(getWidth(), 0);
98 path.lineTo(getWidth() - roundWidth, 0);
99 path.arcTo(new RectF(getWidth() - roundWidth * 2, 0, getWidth(), 0 + roundHeight * 2), -90, 90);
100 path.close();
101 canvas.drawPath(path, paint);
102 }
103
104 }
