procedure GenerateJPEGfromBrowser(browser: iWebBrowser2;
                                  jpegFQFilename: string; srcHeight:
                                  integer; srcWidth: integer;
                                  tarHeight: integer; tarWidth: integer);
var
  sourceDrawRect: TRect;
  targetDrawRect: TRect;
  sourceBitmap  : TBitmap;
  targetBitmap  : TBitmap;
  aJPG          : TJPEGImage;
  aViewObject   : IViewObject;
begin { GenerateJPEGfromBrowser }
  sourceBitmap := TBitmap.Create;
  targetBitmap := TBitmap.Create;
  aJPG := TJPEGImage.Create;
  try
    try
      sourceDrawRect := Rect(0, 0, srcWidth, srcHeight);
      sourceBitmap.Width := srcWidth;
      sourceBitmap.Height := srcHeight;

      aViewObject := browser as IViewObject;

      if aViewObject=nil then
        Exit;

      OleCheck(aViewObject.Draw(DVASPECT_CONTENT, 1, nil, nil,
                               Form1.Handle,
                               sourceBitmap.Canvas.Handle,
                               @sourceDrawRect, nil, nil, 0));

      // Resize the src bitmap to the target bitmap
      // Need to make thumbnails instead of full size?
      // set the target size here.. 
      targetDrawRect := Rect(0, 0, tarWidth, tarHeight);
      targetBitmap.Height := tarHeight;
      targetBitmap.Width := tarWidth;
      targetBitmap.Canvas.StretchDraw(targetDrawRect, sourceBitmap);

      // Create a JPEG from the Bitmap and save it
      aJPG.Assign(targetBitmap);

      aJPG.SaveToFile(jpegFQFilename)
    finally
      aJPG.Free;
      sourceBitmap.Free;
      targetBitmap.Free
    end; { try }

  except
    // error handler code
  end; { try }
end; { GenerateJPEGfromBrowser }


procedure TForm1.Button2Click(Sender: TObject);
var
  IDoc1: IHTMLDocument2;
  Web  : iWebBrowser2;
  tmpX,
  tmpY : integer;
begin { TForm1.Button2Click }
  with WebBrowser1 do 
  begin
    Document.QueryInterface(IHTMLDocument2, IDoc1); 
    Web := ControlInterface; 
    tmpX := Height; 
    tmpY := Width; 
    Height := OleObject.Document.ParentWindow.Screen.Height; 
    Width := OleObject.Document.ParentWindow.Screen.Width; 
    GenerateJPEGfromBrowser(Web, '.\test.jpg',
                            Height, Width,
                            Height, Width);
    Height := tmpX;
    Width := tmpY;

    Image1.Picture.LoadFromFile('.\test.jpg')
  end; { with WebBrowser1 }
end; { TForm1.Button2Click }