unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Image1: TImage;
    Label1: TLabel;
    Button2: TButton;
    Button3: TButton;
    OpenPictureDialog1: TOpenPictureDialog;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  bitmap1: TBitmap;
  bitmap2: TBitmap;
implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  OpenPictureDialog1.Filter:='bmp??|*.Bmp';
  openpicturedialog1.FileName:='*.bmp';
   bitmap1:=TBitmap.Create;
   if openpicturedialog1.Execute then
      image1.Picture.Bitmap.LoadFromFile(openpicturedialog1.FileName);
       bitmap1.Assign(image1.Picture.Bitmap);
      image1.Width:=bitmap1.Width;
      image1.Height:=bitmap1.Height;
      label1.Caption:=inttostr(bitmap1.Width)+':'+inttostr(bitmap1.Height);
      bitmap1.PixelFormat:= pf24bit;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  OpenPictureDialog1.Filter:='bmp??|*.Bmp';
  openpicturedialog1.FileName:='*.bmp';
  bitmap2:=TBitmap.Create;
  if openpicturedialog1.Execute then
    image1.Picture.Bitmap.LoadFromFile(openpicturedialog1.FileName);
  bitmap2.Assign(image1.Picture.Bitmap);
  image1.Width:=bitmap2.Width;
  image1.Height:=bitmap2.Height;
  label1.Caption:=inttostr(bitmap2.Width)+':'+inttostr(bitmap2.Height);
   bitmap2.PixelFormat:= pf24bit;
end;

procedure TForm1.Button3Click(Sender: TObject);
var
newbitmap:TBitmap;
i,j:integer;
O,P, Q: pByteArray;
begin
  newbitmap:=TBitmap.Create;
  newbitmap.Width:=bitmap1.Width+bitmap2.Width;
  newbitmap.Height:=bitmap1.Height;
  label1.Caption:=inttostr(newbitmap.Width)+':'+inttostr(newbitmap.Height);
  newbitmap.Canvas.CopyRect(Rect(0,0,bitmap1.Width,bitmap1.Height),bitmap1.Canvas,Rect(0,0,bitmap1.Width,bitmap1.Height));
  newbitmap.Canvas.CopyRect(Rect(bitmap1.Width,0,bitmap1.Width+bitmap2.Width,bitmap2.Height),bitmap2.Canvas,Rect(0,0,bitmap2.Width,bitmap2.Height));
  image1.Height:=newbitmap.Height;
  image1.Width:=newbitmap.Width;
  image1.Picture.Bitmap.Assign(newbitmap);


end;

end.