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

本例效果图:

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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;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
const
  ImgPath1 = 'C:\Temp\DX.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.Darker(130);
  DXPaintBox1.Repaint;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  DXPaintBox1.DIB.Lighter(110);
  DXPaintBox1.Repaint;
end;

end.

posted on 2009-01-18 23:32  万一  阅读(1299)  评论(0)  编辑  收藏

标签：end,TDIB,Delphi,DIB,DXPaintBox1,73,TObject,procedure,Sender
来源： https://blog.51cto.com/u_14617575/2744954