unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;
type
TPanel = class(ExtCtrls.TPanel);
TForm1 = class(TForm)
btnStart: TButton;
Panel1: TPanel;
Image1: TImage;
procedure btnStartClick(Sender: TObject);
private
public
end;
var
Form1: TForm1;
implementation {$R *.dfm}
procedure MakeSquares(aCanvas: TCanvas; const pInit: TPoint;
const ncuad, size: Integer);
var
x, y: Integer;
p : TPoint;
begin
p.Y := pInit.Y;
for y := 1 to ncuad do
begin
p.X := pInit.X;
for x := 1 to y do
begin
aCanvas.Rectangle( p.X - 1, p.Y - 1, p.X + size, p.Y + size);
Inc( p.X, size );
end;
Inc( p.Y, size);
end;
end;
procedure TForm1.btnStartClick(Sender: TObject);
begin
MakeSquares(Canvas, Point( 70, 30 ), 7, 20);
MakeSquares(Panel1.Canvas, Point( 70, 30 ), 7, 20);
MakeSquares(Image1.Canvas, Point( 70, 30 ), 7, 20);
Image1.Canvas.TextOut(12,12, 'Hola');
end;
end.