Delphi 与 DirectX 之 DelphiX(33): TDIB.SmoothRotateWrap();
2009-01-16 15:07
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本例效果图:
代码文件:
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); procedure FormCreate(Sender: TObject); procedure FormDestroy(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} var dib: TDIB; procedure TForm1.Button1Click(Sender: TObject); const ImgPath1 = 'C:\Temp\DX.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.
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