procedure TForm1.Button2Click(Sender: TObject);
begin
imgscan1.OpenScanner;//打开扫描仪
imgscan1.StartScan; //开始扫描图象
imgscan1.CloseScanner; //关闭扫描仪
end;procedure TForm1.Button3Click(Sender: TObject);
begin
imgscan1.ShowSelectScanner;
end;扫描仪响了一下,工作指示灯亮,但没有显示控制窗口,整个程序象死掉一样
begin
imgscan1.OpenScanner;//打开扫描仪
imgscan1.StartScan; //开始扫描图象
imgscan1.CloseScanner; //关闭扫描仪
end;procedure TForm1.Button3Click(Sender: TObject);
begin
imgscan1.ShowSelectScanner;
end;扫描仪响了一下,工作指示灯亮,但没有显示控制窗口,整个程序象死掉一样
ImgScan.ScanTo := 1;procedure TFormImport.tbtnScanClick(Sender: TObject);
var ScanFile,jpgFile: String;
bmp: TBitmap;
jpg: TJpegImage;
LS: TListItem;
begin
try
ForceDirectories(FilePath);
if TRIM(edtScanFile.Text) = '' then
begin
Application.MessageBox('请输入扫描的文件名!','系统提示',MB_OK+MB_IconInformation);
edtScanFile.SetFocus;
Exit;
end;
if FileExists(FilePath+'\'+edtScanFile.Text) then
begin
if Application.MessageBox('该文件已经存在,是否覆盖?','系统提示',MB_YESNO+MB_IconQuestion+MB_DEFButton2) = IDNO then
begin
edtScanFile.SetFocus;
Exit;
end;
end;
// ImgEdit.Visible := True;
ImgScan.ShowSelectScanner;
//如果选择的扫描仪不可用
if not ImgScan.ScannerAvailable then
ImgScan.OpenScanner; //打开扫描仪
ImgScan.Image := FilePath+ '\'+ TRIM(edtScanFile.Text) + '.bmp';
ImgScan.StartScan; //开始扫描图象
ImgScan.CloseScanner; //关闭扫描仪
//
ScanFile := FilePath+ '\'+ TRIM(edtScanFile.Text) + '.bmp';
//转换Bmp文件到Jpg
try
bmp := TBitmap.Create;
jpg := TJpegImage.Create;
bmp.LoadFromFile(ScanFile);
jpg.Assign(bmp);
jpgFile := ChangeFileExt(ScanFile,'.jpg');
jpg.SaveToFile(jpgFile);
bmp.Free;
jpg.Free;
DeleteFile(ScanFile);
except
Application.MessageBox('转换图片失败,请缩小扫描精度!','系统提示',MB_OK+MB_IconError);
Exit;
end;
except
Application.MessageBox('扫描图象出错,请重新扫描!','错误',MB_OK+MB_IconError);
end;
end;
imgEdit.image:=ScanFile;
imgEdit.display;
imgEdit.saveto(ScanFile,6);//转换成jpg格式