public Window1()
{
InitializeComponent();
Loaded += delegate
{
_twain = new Twain(new WpfWindowMessageHook(this));
_twain.TransferImage += delegate(Object sender, TransferImageEventArgs args)
{
if (args.Image != null)
{
resultImage = args.Image;
IntPtr hbitmap = new Bitmap(args.Image).GetHbitmap();
MainImage.Source = Imaging.CreateBitmapSourceFromHBitmap(
hbitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
Gdi32Native.DeleteObject(hbitmap);
}
};
_twain.ScanningComplete += delegate
{
IsEnabled = true;
};
var sourceList = _twain.SourceNames;
ManualSource.ItemsSource = sourceList;
if (sourceList != null && sourceList.Count > 0)
{
ManualSource.SelectedItem = sourceList[0];
}
};
}
private void Sw_TransferTempImage(object sender, TransferImageEventArgs e)
{
try
{
Dispatcher.Invoke(() =>
{
IntPtr hbitmap = new Bitmap(e.Image).GetHbitmap();
MainImage.Source = Imaging.CreateBitmapSourceFromHBitmap(
hbitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromRotation(Rotation.Rotate270));
Gdi32Native.DeleteObject(hbitmap);
});
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
private void _twain_TransferImage(object sender, TransferImageEventArgs e)
{
//IsEnabled = true;
if (e.Image != null)
{
resultImage = e.Image;
string savePath = @"C:\Users\Tenny\Pictures\TwainTest\testBufferPic_";
savePath += imageCount.ToString() + @".bmp";
resultImage.Save(savePath, System.Drawing.Imaging.ImageFormat.Bmp);
fileName.Content = savePath;
IntPtr hbitmap = new Bitmap(e.Image).GetHbitmap();
MainImage.Source = Imaging.CreateBitmapSourceFromHBitmap(
hbitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
Gdi32Native.DeleteObject(hbitmap);
imageCount++;
}
}
private void Sw_TransferCompleteImage(object sender, TransferImageEventArgs e)
{
try
{
Dispatcher.Invoke(() =>
{
IntPtr hbitmap = new Bitmap(e.Image).GetHbitmap();
MainImage.Source = Imaging.CreateBitmapSourceFromHBitmap(
hbitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromRotation(Rotation.Rotate270));
Gdi32Native.DeleteObject(hbitmap);
fileName.Content = "complete!";
progressBar.Visibility = Visibility.Hidden;
});
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public DigitalizarDocumento(Window hook)
{
try
{
this.hook = hook;
PDFViewer = PopUpsViewModels.MainWindow.DigitalizarDocumentos.pdfViewer;
document = new PdfDocument();
limiteHojas = Parametro.LIMITES_HOJAS_ESCANER;
EscaneoCompletado += delegate { };
_twain = new Twain(new WpfWindowMessageHook(this.hook));
_twain.TransferImage += delegate(Object sender, TransferImageEventArgs args)
{
//obtenemos el limite de hojas a escanear, en caso de haber sobrepasado utilizamos un return
if (limiteHojas < (pagecount + 1))
{
return;
}
var resultImage = args.Image;
IntPtr hbitmap = new Bitmap(args.Image).GetHbitmap();
var imagen = Imaging.CreateBitmapSourceFromHBitmap(
hbitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
document.Pages.Add(new PdfPage());
var xgr = XGraphics.FromPdfPage(document.Pages[pagecount]);
var Ximg = XImage.FromBitmapSource(imagen);
xgr.DrawImage(Ximg, 0, 0, 595, 842);
pagecount++;
Gdi32Native.DeleteObject(hbitmap);
};
_twain.ScanningComplete += delegate(object sender, ScanningCompleteEventArgs e)
{
var s = e.Exception;
StaticSourcesViewModel.CloseMensajeProgreso();
if (pagecount == 0)
{
StaticSourcesViewModel.Mensaje("Digitalización", "*- Hay problemas para conectarse con el escáner\n*- No tiene papel en el escáner.", StaticSourcesViewModel.enumTipoMensaje.MENSAJE_INFORMACION);
return;
}
else
{
pagecount = 0;
}
fileNamepdf = Path.GetTempPath() + Path.GetRandomFileName().Split('.')[0] + ".pdf";
document.Save(fileNamepdf);
ScannedDocument = File.ReadAllBytes(fileNamepdf);
Application.Current.Dispatcher.Invoke((System.Action)(delegate
{
obj.LoadFile(fileNamepdf);
obj.Visibility = Visibility.Visible;
}));
EscaneoCompletado(this, null);
};
}
catch (TwainException)
{
}
}
