unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls,Printers;

type
  TForm1 = class(TForm)
    GroupBox1: TGroupBox;
    GroupBox2: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Memo1: TMemo;
    Button1: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Memo2: TMemo;
    PrintDialog1: TPrintDialog;
    PrinterSetupDialog1: TPrinterSetupDialog;
    Image1: TImage;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  P:TextFile;
  ln:integer;
begin
  if PrintDialog1.Execute then
    begin
      AssignPrn(P);
      rewrite(P);
      Writeln(P,'姓名:'+Edit1.Text);
      Writeln(P,'性別:'+Edit2.Text);
      Writeln(P,'年齡:'+Edit3.Text);
      Writeln(P,'電話:'+Edit4.Text);
      Writeln(P,'備注:');
      Printer.Canvas.Font:=Memo2.Font;
      for ln:=0 to Memo2.Lines.Count-1 do
        Writeln(p,memo2.lines[ln]);
      CloseFile(P);
    end;  
end;

procedure TForm1.Button2Click(Sender: TObject);
var
  ln:integer;
begin
  if PrintDialog1.Execute then
    begin
    printer.BeginDoc;
    Printer.Title:='打印文本';
    Printer.Canvas.Font:=Memo1.Font;
    for ln:=0 to Memo1.Lines.Count-1 do
      printer.Canvas.TextOut(10,30*ln,Memo1.Lines[ln]);
    printer.EndDoc;
    end;
end;

procedure TForm1.Button3Click(Sender: TObject);
var
  strect:Trect;
  hi,wd:integer;
begin
  if printDialog1.Execute then
    begin
      hi:=image1.Picture.Height;
      wd:=image1.Picture.Width;
      while(hi=printer.PageHeight div 2)and(wd=printer.PageWidth div 2)do
        begin
          hi:=hi+hi;
          wd:=wd+wd;
          end;
      with strect do
          begin
            left:=(printer.PageHeight-hi)div 2;
            top:=(printer.PageWidth-wd)div 2;
            right:=left+wd;
            bottom:=top+hi;
          end;
       with printer do
           begin
             begindoc;
             canvas.StretchDraw(strect,image1.Picture.Graphic);
             enddoc;
           end;       
end;
    end;
procedure TForm1.Button4Click(Sender: TObject);
begin
  close;
end;

end.