/// <summary>
/// Displays the menu.
/// </summary>
public void DisplayMenu()
{
while (true)
{
if (this.Canvases.Count > 0)
{
OutputWriter.SendToOutput("1. Create a new canvas, (If you already have one canvas created, select option 2 to start drawing shapes and paint over it)", true);
}
else
{
OutputWriter.SendToOutput("1. Create a new canvas in order to draw shapes and paint over it", true);
}
OutputWriter.SendToOutput("2. Start drawing on the canvas by issuing various commands", true);
OutputWriter.SendToOutput("3. Quit", true);
char input = '0';
try
{
input = InputCommandReader.ReadCommands()[0];
}
catch (Exception)
{
OutputWriter.SendToOutput("Press Enter...", true);
}
ProcessInput(input);
}
}
/// <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);
}
/// <summary>
/// Displays the menu.
/// </summary>
public void DisplayMenu()
{
bool exit = false;
while (!exit)
{
OutputWriter.SendToOutput("enter command ", true);
OutputWriter.SendToOutput("ex: L 1 2 6 2, L 6 3 6 4 for drawing a line, R 16 1 20 3 to draw a rectangle, B 10 3 o to paint or", true);
OutputWriter.SendToOutput("q to go back to main menu", true);
String input = null;
try
{
input = InputCommandReader.ReadCommands();
}
catch (Exception exception)
{
OutputWriter.SendToOutput("Enter...", true);
}
exit = ProcessInput(input);
}
}
