Delphi 与 DirectX 之 DelphiX(23): TDirectDrawSurface.Blur;

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所属分类:[开发技巧]

本例效果图:

代码文件:

    unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DXDraws;

type
  TForm1 = class(TForm)
    DXDraw1: TDXDraw;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
const
  ImgPath1 = 'C:\Temp\DelphiX.bmp';

procedure TForm1.Button1Click(Sender: TObject);
begin
  DXDraw1.Surface.Fill(0);
  DXDraw1.Surface.LoadFromFile(ImgPath1);
  DXDraw1.Flip;
end;

 

procedure TForm1.Button2Click(Sender: TObject);
begin
  DXDraw1.Surface.Fill(0);
  DXDraw1.Surface.LoadFromFile(ImgPath1);
  DXDraw1.Surface.Lock;
  DXDraw1.Surface.Blur;
  DXDraw1.Surface.UnLock;
  DXDraw1.Flip;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
    with DXDraw1.Surface do begin
    Fill(0);
    LoadFromFile(ImgPath1);
    Lock;
    Blur; Blur; Blur;
    UnLock;
  end;
  DXDraw1.Flip;

end;

end.
 

文件下载:

 

200902111542271161.rar

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