Delphi 与 DirectX 之 DelphiX(73): TDIB.Darker()、Lighter();

unit Unit1;interfaceusesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs, DIB, StdCtrls;typeTForm1 = class(TForm)DXPaintBox1: TDXPaintBox;Button1: TButton;Button2: TButton;Button3: TButton;procedure Button1Click(Sender: TObject);procedure Button2Click(Sender: TObject);procedure Button3Click(Sender: TObject);end;varForm1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
constImgPath1 = 'C:\Temp\DX.jpg';
beginDXPaintBox1.DIB.LoadFromFile(ImgPath1);DXPaintBox1.Width := DXPaintBox1.DIB.Width;DXPaintBox1.Height := DXPaintBox1.DIB.Height;DXPaintBox1.Repaint;
end;procedure TForm1.Button2Click(Sender: TObject);
beginDXPaintBox1.DIB.Darker(130);DXPaintBox1.Repaint;
end;procedure TForm1.Button3Click(Sender: TObject);
beginDXPaintBox1.DIB.Lighter(110);DXPaintBox1.Repaint;
end;end.