ResUtil.java 文件源码

private static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    try {
        Bitmap createBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
                Config.ARGB_8888);
        Canvas canvas = new Canvas(createBitmap);
        Paint paint = new Paint();
        Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        RectF rectF = new RectF(rect);
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(-12434878);
        canvas.drawRoundRect(rectF, (float) (bitmap.getWidth() / 6), (float) (bitmap
                .getHeight() / 6), paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);
        bitmap.recycle();
        return createBitmap;
    } catch (OutOfMemoryError e) {
        Log.w(TAG, "Cant`t create round corner bitmap. [OutOfMemoryError] ");
        return null;
    }
}