//only use for testing
        public static IEnumerable <BitmapObject> ReadFromFile(string imageFile)
        {
            IEnumerable <BitmapObject> objects = new BitmapObject[] { new BitmapObject(imageFile) };

            return(objects);
        }
        public IEnumerable <BitmapObject> getBitmapIEnumerable()
        {
            IEnumerable <BitmapObject> objects = new BitmapObject[] { this };

            return(objects);
        }