1、在uses后要加上jpeg
2、有个属性可以设置,你可以找下。
2、有个属性可以设置,你可以找下。
解决方案 »
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2.stretch=true
定义一个TBITMAP,装如文件,然后计算比例,再用copyrect复制到IMAGE上
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1、在uses后要加上jpeg
2、有个属性可以设置,能告诉我这个属性在哪里吗
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, Jpeg,
StdCtrls;
//别忘了加Jpeq单元
var
Form1: TForm1;
AJpeg : TJpegImage;implementation{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
begin
Canvas.Pen.Color:=clBlack;
Canvas.Pen.Style:=psSolid;
Canvas.Brush.color:=clBtnFace;
Canvas.Brush.Style:=bsSolid;
//ClearFormandLoadanewJPEGfile;
AJpeg:=TJpegImage.Create;//动态生成AJpeg;
AJpeg.LoadFromFile('D:\Temp.jpg')
end;procedure TForm1.FormPaint(Sender: TObject);
begin
Form1.Canvas.Draw(10,10,AJpeg);//以(x,y)为左上角输出JPEG文件;
end;
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, Jpeg,
StdCtrls;
//别忘了加Jpeq单元
var
Form1: TForm1;
AJpeg : TJpegImage;implementation{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
begin
Canvas.Pen.Color:=clBlack;
Canvas.Pen.Style:=psSolid;
Canvas.Brush.color:=clBtnFace;
Canvas.Brush.Style:=bsSolid;
//ClearFormandLoadanewJPEGfile;
AJpeg:=TJpegImage.Create;//动态生成AJpeg;
AJpeg.LoadFromFile('D:\Temp.jpg')
end;procedure TForm1.FormPaint(Sender: TObject);
begin
Form1.Canvas.Draw(10,10,AJpeg);//以(x,y)为左上角输出JPEG文件;
end;
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, Jpeg,
StdCtrls;
//别忘了加Jpeq单元
var
Form1: TForm1;
AJpeg : TJpegImage;implementation{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
begin
Canvas.Pen.Color:=clBlack;
Canvas.Pen.Style:=psSolid;
Canvas.Brush.color:=clBtnFace;
Canvas.Brush.Style:=bsSolid;
//ClearFormandLoadanewJPEGfile;
AJpeg:=TJpegImage.Create;//动态生成AJpeg;
AJpeg.LoadFromFile('D:\Temp.jpg')
end;procedure TForm1.FormPaint(Sender: TObject);
begin
Form1.Canvas.Draw(10,10,AJpeg);//以(x,y)为左上角输出JPEG文件;
end;
另外可以参考...\Delph5\Help\Example\Jepq目录下的工程,
将得很详细。