/// <summary>
/// Creates the canvas.
/// </summary>
/// <returns></returns>
/// <exception cref="InvalidInputDataException">
/// </exception>
public Canvas CreateCanvas()
{
OutputWriter.SendToOutput("Please enter the canvas width and height with a space ex:20 4", true);
Canvas canvas = null;
try
{
string input = InputCommandReader.ReadCommands();
string[] commandArgs = Regex.Split(input, @"\s+").Where(s => s != string.Empty).ToArray();
if (commandArgs.Count() < 2 || commandArgs.Count() > 2)
{
throw new InvalidInputDataException();
}
int width = commandArgs[0].AsInt();
int height = commandArgs[1].AsInt();
if (width < 1 || height < 1)
{
throw new InvalidInputDataException();
}
canvas = new Canvas(width, height);
// Set the new canvas on the drawer
if (CanvasRenderer == null)
{
CanvasRenderer = new CanvasRenderer(canvas, OutputWriter);
}
else
{
CanvasRenderer.Canvas = canvas;
}
CanvasRenderer.SetTheCanvas();
CanvasRenderer.Draw();
OutputWriter.SendToOutput("Canvas created", true);
}
catch (Exception ex)
{
if (ex is InvalidInputDataException | ex is FormatException)
{
OutputWriter.SendToOutput(ex.Message, true);
}
}
return(canvas);
}