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  • Delphi 与 DirectX 之 DelphiX(42): TDIB.GaussianBlur();


    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;
        Button1: TButton;
        Button2: TButton;
        procedure Button1Click(Sender: TObject);
        procedure Button2Click(Sender: TObject);
        procedure FormCreate(Sender: TObject);
        procedure FormDestroy(Sender: TObject);
      end;
    
    var
      Form1: TForm1;
    
    implementation
    
    {$R *.dfm}
    
    var
      dib: TDIB;
    
    procedure TForm1.Button1Click(Sender: TObject);
    const
      ImgPath1 = 'C:\Temp\DX.jpg';
    begin
      dib.LoadFromFile(ImgPath1);
      DXPaintBox1.DIB.Assign(dib);
      DXPaintBox1.Width := dib.Width;
      DXPaintBox1.Height := dib.Height;
      DXPaintBox1.Repaint;
    end;
    
    procedure TForm1.Button2Click(Sender: TObject);
    begin
      DXPaintBox1.DIB.GaussianBlur(dib, 1);
      DXPaintBox1.DIB.Assign(dib);
      DXPaintBox1.Repaint;
    end;
    
    procedure TForm1.FormCreate(Sender: TObject);
    begin
      dib := TDIB.Create;
    end;
    
    procedure TForm1.FormDestroy(Sender: TObject);
    begin
      dib.Free;
    end;
    
    end.
    

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  • 原文地址:https://www.cnblogs.com/del/p/1377177.html
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