/// <summary>
        /// 获取涂鸦的颜色
        /// </summary>
        /// <param name="color"></param>
        /// <returns></returns>
        private SolidColorBrush getBrushColor(DoodleEnumColor color)
        {
            SolidColorBrush result = Brushes.Black;

            switch (color)
            {
            case DoodleEnumColor.black:
                result = Brushes.Black;
                break;

            case DoodleEnumColor.blue:
                result = Brushes.Blue;
                break;

            case DoodleEnumColor.green:
                result = Brushes.Green;
                break;

            case DoodleEnumColor.orange:
                result = Brushes.Orange;
                break;

            case DoodleEnumColor.red:
                result = Brushes.Red;
                break;

            default:
                break;
            }

            return(result);
        }
        public void SetDrawColor(DoodleEnumColor color)
        {
            lineColor = color;
            switch (lineColor)
            {
            case DoodleEnumColor.black:
                brushColor = Brushes.Black;
                break;

            case DoodleEnumColor.blue:
                brushColor = Brushes.Blue;
                break;

            case DoodleEnumColor.green:
                brushColor = Brushes.Green;
                break;

            case DoodleEnumColor.orange:
                brushColor = Brushes.Orange;
                break;

            case DoodleEnumColor.red:
                brushColor = Brushes.Red;
                break;

            default:
                break;
            }
        }
        /// <summary>
        /// 获取涂鸦的颜色
        /// </summary>
        /// <param name="color"></param>
        /// <returns></returns>
        private Color getColor(DoodleEnumColor color)
        {
            Color result = Colors.Black;

            switch (color)
            {
            case DoodleEnumColor.black:
                result = Colors.Black;
                break;

            case DoodleEnumColor.blue:
                result = Colors.Blue;
                break;

            case DoodleEnumColor.red:
                result = Colors.Red;
                break;

            case DoodleEnumColor.green:
                result = Colors.Green;
                break;

            case DoodleEnumColor.orange:
                result = Colors.Orange;
                break;

            case DoodleEnumColor.white:
                result = Colors.White;
                break;

            case DoodleEnumColor.yellow:
                result = Colors.Yellow;
                break;

            default:
                break;
            }

            return(result);
        }