Delphi 与 DirectX 之 DelphiX(33): TDIB.SmoothRotateWrap();

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Delphi 与 DirectX 之 DelphiX(33): TDIB.SmoothRotateWrap();

2009年02月19日 ⁄ directX学习 ⁄ 暂无评论

本例效果图:

代码文件:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DIB;

type
  TForm1 = class(TForm)
    DXPaintBox1: TDXPaintBox;
    Button1: TButton;
    Button2: TButton;
//    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

var
  dib: TDIB;

procedure TForm1.Button1Click(Sender: TObject);
const
  ImgPath1 = 'C:TempDX.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.SmoothRotateWrap(dib,dib.Width div 2,dib.Height div 2,15.5);
  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.