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| unit Unit1;
{$MODE objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ExtCtrls,
BGRABitmap, BGRABitmapTypes;
type
TImageMobile = record
image, sauvegarde: TBGRABitmap;
x: integer;
end;
type
{ TForm1 }
TForm1 = class(TForm)
Timer1: TTimer;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure FormPaint(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
private
{ private declarations }
damier: TBGRABitmap;
dame: TImageMobile;
virtualscreen: TBitmap;
public
{ public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
{ TForm1 }
const
STEP = 8;
procedure TForm1.FormCreate(Sender: TObject);
begin
damier := TBGRABitmap.Create('board.bmp');
dame.image := TBGRABitmap.Create('bq.bmp');
dame.sauvegarde := TBGRABitmap.Create(40, 40);
dame.x := 0;
dame.image.ReplaceColor(CSSMidnightBlue, BGRAPixelTransparent);
virtualscreen := TBitmap.Create;
virtualscreen.Width := 8 * 40;
virtualscreen.Height := 8 * 40;
Timer1.Interval := 10;
Timer1.Enabled := FALSE;
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
damier.Free;
dame.image.Free;
dame.sauvegarde.Free;
virtualscreen.Free;
end;
procedure TForm1.FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
begin
if (dame.x = 0) and not Timer1.Enabled then
Timer1.Enabled := TRUE
else
Close;
end;
procedure TForm1.FormPaint(Sender: TObject);
begin
if dame.x = 0 then
begin
damier.Draw(virtualscreen.Canvas, 0, 0);
end else
begin
if Assigned(dame.sauvegarde) then
dame.sauvegarde.Draw(virtualscreen.Canvas, dame.x - STEP, 0);
end;
BGRAReplace(dame.Sauvegarde, damier.GetPart(rect(dame.x, 0, dame.x + 40, 40)));
dame.image.Draw(virtualscreen.Canvas, dame.x, 0, FALSE);
Canvas.Draw(0, 0, virtualscreen);
end;
procedure TForm1.Timer1Timer(Sender: TObject);
begin
Inc(dame.x, STEP);
if dame.x > 7 * 40 then
Timer1.Enabled := FALSE
else
OnPaint(nil);
end;
end. |
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