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本例效果图: 代码文件: unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, DXDraws, StdCtrls; type TForm1 = class(TForm) DXDraw1: TDXDraw; Button1: TButton; Button2: TButton; Button3: TButton; procedure Button1Click(Sender: TObject); procedure Button2Click(Sender: TObject); procedure Button3Click(Sender: TObject); 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; UnLock; end; DXDraw1.Flip; end; end. |
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