public void DrawPicture(PictureDraft draft, ICanvas canvas)
{
try
{
for (int i = 0; i < draft.GetShapeCount(); i++)
{
draft.GetShape(i).Draw(canvas);
}
}
catch (IndexOutOfRangeException exception)
{
_textWriter.WriteLine(exception.Message);
}
}
private string AddShapeToDraft(string shapeDescription, PictureDraft draft)
{
try
{
draft.AddShape(_shapeFactory.CreateShape(shapeDescription));
return(SUCCESSFULLY_ADDED);
}
catch (ArgumentException exception)
{
return(exception.Message);
}
catch (FormatException)
{
return(INCORRECT_NUMBER);
}
}
public PictureDraft CreateDraft(TextWriter textWriter, TextReader textReader)
{
PictureDraft draft = new PictureDraft();
for (; ;)
{
string command = textReader.ReadLine();
if (command == null || command.ToLower() == EXIT_COMMAND)
{
break;
}
string answer = AddShapeToDraft(command, draft);
textWriter.WriteLine(answer);
}
return(draft);
}
public void CreatePictureDraft(IDesigner designer, TextReader textReader, TextWriter textWriter)
{
_pictureDraft = designer.CreateDraft(textWriter, textReader);
}
