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再学GDI+[19]: TGPTextureBrush(纹理画刷)

时间:2012-05-05 | 栏目:Delphi教程 | 点击:

TGPTextureBrush.Create(
 image: TGPImage; {用于画刷的图像}
);

本例效果图:

unit Unit1;
interface
uses
 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
 Dialogs;
type
 TForm1 = class(TForm)
  procedure FormPaint(Sender: TObject);
 end;
var
 Form1: TForm1;
implementation
{$R *.dfm}
uses GDIPOBJ, GDIPAPI;
procedure TForm1.FormPaint(Sender: TObject);
var
 g: TGPGraphics;
 img: TGPImage;
 tb: TGPTextureBrush;
begin
 g := TGPGraphics.Create(Canvas.Handle);
 img := TGPImage.Create('c:\temp\small.jpg');
 tb := TGPTextureBrush.Create(img);
 g.FillEllipse(tb, 0, 0, Self.ClientWidth, Self.ClientHeight);
 img.Free;
 tb.Free;
 g.Free;
end;
end.

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