开发学院软件开发 Delphi Delphi与DirectX之DelphiX(34): TDIB.Lightness()... 阅读

Delphi与DirectX之DelphiX(34): TDIB.Lightness();

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核心提示：本例效果图:代码文件:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, DIB, StdCtrls;type TForm1 = class(TForm)

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);
　 end;
var
　 Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
const
　 ImgPath1 = 'C:TempDX.jpg';
begin
　 DXPaintBox1.DIB.LoadFromFile(ImgPath1);
　 DXPaintBox1.Width := DXPaintBox1.DIB.Width;
　 DXPaintBox1.Height := DXPaintBox1.DIB.Height;
　 DXPaintBox1.Repaint;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
　 DXPaintBox1.DIB.Lightness(32);
　 DXPaintBox1.Repaint;
end;
end.