/**
     *  input must be create by /bin/crunk
	 */
	public static Drawable getNinePatchDrawable(Context context, InputStream input) {
		Bitmap ninePathBmp = null;
		ninePathBmp = BitmapFactory.decodeStream(input);
		if (ninePathBmp == null) {
			return null;
		}
		byte[] chunk = ninePathBmp.getNinePatchChunk();
		boolean result = NinePatch.isNinePatchChunk(chunk);
		if (result) {
			return new NinePatchDrawable(context.getResources(), ninePathBmp, chunk, new Rect(), null);
		}
		return null;
	}