/// <summary>
        /// Takes Input command and calls respective method to further processing
        /// </summary>
        /// <param name="draw"></param>
        /// <param name="inputArray"></param>
        /// <param name="xCursorPosition"></param>
        /// <param name="yCursorPosition"></param>
        public void CanvasCommands(DrawingCanvas drawing, string[] inputArray, int xCursorPosition, int yCursorPosition)
        {
            //call the drawing function as per input command
            switch (inputArray[0].Trim().ToUpper())
            {
            case CommandConst.C:
                isCanvasDone = drawing.DrawCanvas(0, int.Parse(inputArray[1].Trim()), 0, int.Parse(inputArray[2].Trim()));
                Console.SetCursorPosition(xCursorPosition, SetCusrsorPosition(yCursorPosition));
                break;

            case CommandConst.L:
                if (isCanvasDone)
                {
                    drawing.DrawLine(int.Parse(inputArray[1].Trim()), int.Parse(inputArray[2].Trim()), int.Parse(inputArray[3].Trim()), int.Parse(inputArray[4].Trim()), "x");
                }
                else
                {
                    Console.WriteLine("First create Canvas to draw a line");
                }
                Console.SetCursorPosition(xCursorPosition, SetCusrsorPosition(yCursorPosition));
                break;

            case CommandConst.R:
                if (isCanvasDone)
                {
                    drawing.DrawRectangle(int.Parse(inputArray[1].Trim()), int.Parse(inputArray[2].Trim()), int.Parse(inputArray[3].Trim()), int.Parse(inputArray[4].Trim()), "x");
                }
                else
                {
                    Console.WriteLine("First create Canvas to draw a Rectangle");
                }
                Console.SetCursorPosition(xCursorPosition, SetCusrsorPosition(yCursorPosition));
                break;

            case CommandConst.B:
                if (isCanvasDone)
                {
                    drawing.BucketFill(int.Parse(inputArray[1].Trim()), int.Parse(inputArray[2].Trim()), inputArray[3].Trim());
                }
                else
                {
                    Console.WriteLine("First create Canvas to fill it with color text");
                }
                Console.SetCursorPosition(xCursorPosition, SetCusrsorPosition(yCursorPosition));
                break;

            case CommandConst.Q:
                Environment.Exit(0);
                break;

            default:
                break;
            }
        }