unit Unit1;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
  BGRABitmap, BGRABitmapTypes;

type

  { TForm1 }

  TForm1 = class(TForm)
    procedure FormPaint(Sender: TObject);
  private
    { private declarations }
  public
    { public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.lfm}

{ TForm1 }

procedure TForm1.FormPaint(Sender: TObject);
var image: TBGRABitmap;
    c: TBGRAPixel;
begin
  image := TBGRABitmap.Create(ClientWidth,ClientHeight,ColorToBGRA(ColorToRGB(clBtnFace)));
  c := ColorToBGRA(ColorToRGB(clWindowText));

  //image.JoinStyle := pjsRound;
  //image.RectangleAntialias(80,80,300,200,c,50);
  image.FillRoundRectAntialias(80,80,300,200, 20,20, c, [rrTopRightSquare,rrBottomLeftSquare]);


  image.Draw(Canvas,0,0,True);
  image.free;

end;

end.