Delphi 与 DirectX 之 DelphiX(78): TDIB.AntialiasedLine();

本例效果图:

---

代码文件:

---

unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, DIB, StdCtrls;



type

  TForm1 = class(TForm)

    DXPaintBox1: TDXPaintBox;

    procedure FormCreate(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



procedure TForm1.FormCreate(Sender: TObject);

const

  ImgPath1 = 'C:\Temp\DX.jpg';

begin

  DXPaintBox1.DIB.LoadFromFile(ImgPath1);

  DXPaintBox1.Width := DXPaintBox1.DIB.Width;

  DXPaintBox1.Height := DXPaintBox1.DIB.Height;

  DXPaintBox1.DIB.AntialiasedLine(0, 0, DXPaintBox1.Width, DXPaintBox1.Height, clRed);

  DXPaintBox1.DIB.AntialiasedLine(0, DXPaintBox1.Height, DXPaintBox1.Width, 0, clRed);

end;



end.