Decode a stream to ninePatchDrawable

NinePatchImageUtil

/**
 *  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;
}