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本例效果图: 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; procedure FormCreate(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.FormCreate(Sender: TObject); const ImgPath1 = 'C:\Temp\DX.jpg'; begin DXPaintBox1.DIB.LoadFromFile(ImgPath1); DXPaintBox1.Width := DXPaintBox1.DIB.Width; DXPaintBox1.Height := DXPaintBox1.DIB.Height; DXPaintBox1.DIB.AntialiasedLine(0, 0, DXPaintBox1.Width, DXPaintBox1.Height, clRed); DXPaintBox1.DIB.AntialiasedLine(0, DXPaintBox1.Height, DXPaintBox1.Width, 0, clRed); end; end. |
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