circleBitmap

gistfile1.txt

public Bitmap getCircleBitmap(Bitmap bitmap, int strockWidth, int circleColor) {
        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(output);
        Paint paint = new Paint();
        Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(0xFFFFFFFF);
        int size = (bitmap.getWidth()/2);
        canvas.drawCircle(size, size, size, paint);
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);

        if(strockWidth > 0){
            paint = new Paint();
            paint.setDither(true);
            paint.setColor(circleColor);
            paint.setStyle(Paint.Style.STROKE);
            paint.setAntiAlias(true);
            paint.setStrokeWidth(strockWidth);
            canvas.drawCircle(size, size, size, paint);
        }
        return output;
    }