private void evt_transferImage(object sender, TransferImageEventArgs e)
{
if (e.Image != null)
{
_lstImages.Add(e.Image);
}
}
void _twain_TransferImage(object sender, TransferImageEventArgs e)
{
if (e.Image != null)
{
_image = e.Image;
}
}
void OnTrasnferImage(object sender, TransferImageEventArgs e)
{
//Note: Is you intend to support scan more than on page
//Define a List if type Bitmap and come here to add the
//e.Image result to the your list.
//Otherwise just set the e.Image to the ImageSource property
//Take note in one page scan senario that if there are more than one page on the scanner feeder
//only the last document will be shown on the imagesource
if (e.Image != null)
{
ScannedImageSource = CreateBitmapSource(e.Image);
ScannedImage = e.Image;
}
}
private void Twain_TransferImage(object sender, TransferImageEventArgs e)
{
if (e.Image != null)
{
Log("Image transfered");
var img = e.Image;
if (_images == null)
{
_images = new List <Image>();
}
_images.Add((Image)img.Clone());
img.Dispose();
}
}
private void Twain_TransferImage(object sender, TransferImageEventArgs e)
{
if (e.Image != null)
{
Image image = new Image();
image.Source = Imaging.CreateBitmapSourceFromHBitmap(
new System.Drawing.Bitmap(e.Image).GetHbitmap(),
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
image.Margin = new Thickness(2);
this.StackPanelImages.Children.Add(image);
this.m_ImageList.Add(image);
}
}
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)
{
if (e.Image != null)
{
lst.Add(e.Image);
}
//if (e.Image != null)
//{
// if (i == 1)
// {
// image1.Source = BitmapToImageSource(e.Image);
// i++;
// }
// else
// {
// image2.Source = BitmapToImageSource(e.Image);
// i = 1;
// }
//}
}
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);
}
}
private void _twain_TransferImage(object sender, TransferImageEventArgs e)
{
//IsEnabled = true;
if (e.Image != null)
{
resultImage = e.Image;
resultImage = SwapRedAndBlueChannels(resultImage);
string savePath = @"C:\Users\Tenny\Pictures\TwainTest\testBufferPic_";
savePath += imageCount.ToString() + @".bmp";
resultImage.Save(savePath, System.Drawing.Imaging.ImageFormat.Bmp);
OnTransferTempImage(resultImage, e.ContinueScanning, e.PercentComplete);
//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 HandleImageScanFinished(Object sender, TransferImageEventArgs e)
{
m_ScanManager.Twain.TransferImage -= HandleImageScanFinished;
scanImageButton.Enabled = true;
HandleImageScanFinished(e.Image, true, false);
}
public void OnTransferComplete(Bitmap image)
{
TransferImageEventArgs e = new TransferImageEventArgs(image, false, 1);
TransferCompleteImage?.Invoke(this, e);
}
public void OnTransferTempImage(Bitmap image, bool continueScanning, float percentage)
{
TransferImageEventArgs e = new TransferImageEventArgs(image, continueScanning, percentage);
TransferTempImage?.Invoke(this, e);
}
protected void TransferPictures()
{
if (DataSource.SourceId.Id == 0)
{
return;
}
PendingXfers pendingTransfer = new PendingXfers();
TwainResult result;
try
{
do
{
pendingTransfer.Count = 0;
IntPtr hbitmap = IntPtr.Zero;
// Get the image info
ImageInfo imageInfo = new ImageInfo();
result = Twain32Native.DsImageInfo(
ApplicationId,
DataSource.SourceId,
DataGroup.Image,
DataArgumentType.ImageInfo,
Message.Get,
imageInfo);
if (result != TwainResult.Success)
{
DataSource.Close();
break;
}
// Transfer the image from the device
result = Twain32Native.DsImageTransfer(
ApplicationId,
DataSource.SourceId,
DataGroup.Image,
DataArgumentType.ImageNativeXfer,
Message.Get,
ref hbitmap);
if (result != TwainResult.XferDone)
{
DataSource.Close();
break;
}
// End pending transfers
result = Twain32Native.DsPendingTransfer(
ApplicationId,
DataSource.SourceId,
DataGroup.Control,
DataArgumentType.PendingXfers,
Message.EndXfer,
pendingTransfer);
if (result != TwainResult.Success)
{
DataSource.Close();
break;
}
if (hbitmap == IntPtr.Zero)
{
log.Warn("Transfer complete but bitmap pointer is still null.");
}
else
{
using (var renderer = new BitmapRenderer(hbitmap))
{
TransferImageEventArgs args = new TransferImageEventArgs(renderer.RenderToBitmap(), pendingTransfer.Count != 0);
TransferImage(this, args);
if (!args.ContinueScanning)
{
break;
}
}
}
}while (pendingTransfer.Count != 0);
}
finally
{
// Reset any pending transfers
result = Twain32Native.DsPendingTransfer(
ApplicationId,
DataSource.SourceId,
DataGroup.Control,
DataArgumentType.PendingXfers,
Message.Reset,
pendingTransfer);
}
}
