public Mediator()
{
getter = new ConcreteCollegue1();
printer = new ConcreteCollegue2();
//we can use messages from one to another
getter.NewMessage += s => printer.Print(s);
}
/// <summary>
/// 初始化一个<see cref="PrintCommand"/>类型的实例
/// </summary>
/// <param name="printPaper">打印纸</param>
/// <param name="encoding">字符编码</param>
public PrintCommand(IPrintPaper printPaper, Encoding encoding)
{
Writer = new WriterCommand(encoding);
BarcodeBuilder = new BarcodeBuilder(encoding);
FontStyle = new FontStyleCommand();
PagerCut = new PagerCutCommand();
Drawer = new DrawerCommand();
QrCode = new QRCodeCommand();
Barcode = new BarcodeCommand(BarcodeBuilder);
Style = new StyleCommand(printPaper, encoding);
InitializePrint = new InitializePrintCommand();
PrintStyle = new PrintStyleCommand();
Image = new ImageCommand(printPaper);
PrintLine = new PrintLineCommand(printPaper);
}
