source: branches/ByteArray/Forms/FormScreen.pas

unit FormScreen;

interface

uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, Menus,
  FrameBuffer, Device;

type

  { TFormScreen }

  TFormScreen = class(TFormDevice)
    Image1: TImage;
    MainMenu1: TMainMenu;
    MenuItem1: TMenuItem;
    MenuItem10: TMenuItem;
    MenuItem11: TMenuItem;
    MenuItem12: TMenuItem;
    MenuItem13: TMenuItem;
    MenuItem14: TMenuItem;
    MenuItem15: TMenuItem;
    MenuItem16: TMenuItem;
    MenuItem2: TMenuItem;
    MenuItem3: TMenuItem;
    MenuItem4: TMenuItem;
    MenuItem5: TMenuItem;
    MenuItem6: TMenuItem;
    MenuItem7: TMenuItem;
    MenuItem8: TMenuItem;
    MenuItem9: TMenuItem;
    MenuItemViewConsole: TMenuItem;
    MenuItemViewStorage: TMenuItem;
    Separator1: TMenuItem;
    Separator2: TMenuItem;
    TimerDraw: TTimer;
    procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure TimerDrawTimer(Sender: TObject);
  private
    DrawPending: Boolean;
  public
    FrameBuffer: TFrameBuffer;
    procedure ScreenChange(Sender: TObject);
  end;


implementation

{$R *.lfm}

uses
  Core;

{ TFormScreen }

procedure TFormScreen.TimerDrawTimer(Sender: TObject);
var
  X, Y: Integer;
const
  CharSize = 16;
begin
  if DrawPending then begin
    DrawPending := False;
    with FrameBuffer do begin
      Image1.Picture.Bitmap.SetSize(Width * CharSize, Height * CharSize);
      Image1.Picture.Bitmap.Canvas.FillRect(0, 0, Image1.Picture.Bitmap.Width,
        Image1.Picture.Bitmap.Height);
      for Y := 0 to Height - 1 do
        for X := 0 to Width - 1 do
          Image1.Picture.Bitmap.Canvas.TextOut(X * CharSize, Y * CharSize,
            Chr(Memory.Read(Y * Width + X, 1)));
    end;
  end;
end;

procedure TFormScreen.FormShow(Sender: TObject);
begin
  DrawPending := True;
end;

procedure TFormScreen.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
  if Core.Core.MainForm = Self then Application.Terminate;
end;

procedure TFormScreen.ScreenChange(Sender: TObject);
begin
  DrawPending := True;
end;

end.