public ImageFile Scan()
{
ImageFile image;
try
{
CommonDialog dialog = new CommonDialog();
image = dialog.ShowAcquireImage(
WiaDeviceType.ScannerDeviceType,
WiaImageIntent.ColorIntent,
WiaImageBias.MaximizeQuality,
WIA.FormatID.wiaFormatJPEG,
false,
true,
false);
return image;
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
throw new ScannerNotFoundException();
}
else
{
throw new ScannerException("COM Exception", ex);
}
}
}
public ImageFile Scan()
{
ImageFile image;
try
{
CommonDialog dialog = new CommonDialog();
image = dialog.ShowAcquireImage(
WiaDeviceType.ScannerDeviceType,
WiaImageIntent.ColorIntent,
WiaImageBias.MaximizeQuality,
"{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}", //FormatID.wiaFormatJPEG
false,
true,
false);
return(image);
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
throw new ScannerNotFoundException();
}
else
{
throw new ScannerException("COM Exception", ex);
}
}
}
public ImageFile Scan()
{
ImageFile image;
try
{
CommonDialog dialog = new CommonDialog();
image = dialog.ShowAcquireImage(
WiaDeviceType.ScannerDeviceType,
WiaImageIntent.ColorIntent,
WiaImageBias.MinimizeSize,
FormatID.wiaFormatJPEG,
false,
true,
false);
return(image);
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
throw new ScannerNotFoundException();
}
else
{
throw new ScannerException("COM Exception", ex);
}
}
}
public ImageFile Scann()
{
try
{
CommonDialog dialog = new CommonDialog();
ImageFile image = dialog.ShowAcquireImage(
WiaDeviceType.ScannerDeviceType,
WiaImageIntent.ColorIntent,
WiaImageBias.MaximizeQuality,
FormatID.wiaFormatJPEG, false, false, false);
return(image);
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
throw new Exception("Scanner not found");
//throw new ScannerNotFoundException();
}
else
{
throw new Exception("COM Exception", ex);
}
}
//dlg.ShowAcquisitionWizard(oDevice);
}
// string DeviceID;
public List <System.Drawing.Image> Scan()
{
var deviceManager = new DeviceManager();
List <System.Drawing.Image> listImages = new List <System.Drawing.Image>();
_existScanner = false;
_existScanner = deviceManager.DeviceInfos.Count > 0;
if (_existScanner)
{
//WIAScanner.Scan();
bool hasMorePages = true;
//Device Scanners;
WIA.CommonDialog Common;
Common = new CommonDialog();
// Scanners = Common.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, false, false);
int i = 0;
while (hasMorePages)
{
try
{
//Item item = Scanners.GetItem();
ImageFile Image = Common.ShowAcquireImage(WiaDeviceType.ScannerDeviceType,
WiaImageIntent.ColorIntent,
WiaImageBias.MaximizeQuality,
wiaFormatJPEG,
false, true, false);
if (Image != null)
{
Byte[] imageBytes = (byte[])Image.FileData.get_BinaryData();
MemoryStream ms = new MemoryStream(imageBytes);
System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
listImages.Add(img);
}
else
{
hasMorePages = false;
}
}
catch (Exception ex)
{
_existScanner = false;
hasMorePages = false;
}
finally
{
i++;
}
}
}
return(listImages);
}
/// <summary>
/// Performs image scanning, saving it to user specified location and loading it to the preview items
/// </summary>
private void OnScanImage()
{
ImageFile image;
try
{
CommonDialog dialog = new CommonDialog();
image = dialog.ShowAcquireImage(
WiaDeviceType.ScannerDeviceType,
WiaImageIntent.GrayscaleIntent,
WiaImageBias.MaximizeQuality,
WIA.FormatID.wiaFormatPNG,
false,
true,
false);
if (image == null)
{
return;
}
string savePath = DialogManager.ShowSaveScannedImageDialog(string.Empty);
image.SaveFile(savePath);
this.LoadPreviewImage(savePath);
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
DialogManager.ShowErrorDialog(
"Error retrieving a list of scanners. Please make sure your device is connected and turned on.");
}
else
{
DialogManager.ShowErrorDialog("COM Exception : " + ex.Message);
}
}
catch (Exception e)
{
DialogManager.ShowErrorDialog("Error occurred : " + e.Message);
}
}
public System.Drawing.Image Scann()
{
try
{
ImageFile imageFile = dlg.ShowAcquireImage(oDevice.Type,
WiaImageIntent.GrayscaleIntent,
WiaImageBias.MinimizeSize,
"{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}", false, false, false);
WIA.Vector vector = imageFile.FileData;
System.Drawing.Image i = System.Drawing.Image.FromStream(new
System.IO.MemoryStream((byte[])vector.get_BinaryData()));
return(i);
}
catch (Exception)
{
System.Windows.Forms.MessageBox.Show("SE PERDIO LA CONEXIÓN");
this.mensaje = 1;
return(null);
}
}
public static List <string> Scan(string deviceId)
{
ICommonDialog wiaCommonDialog = new CommonDialog();
List <string> fileNames = new List <string>();
bool hasSheetFeeder = false;
bool hasMorePages = false;
do
{
Device device = SelectDevice(deviceId);
ImageFile image = null;
try {
image = (ImageFile)wiaCommonDialog.ShowAcquireImage();
if (image != null)
{
string fileName = System.IO.Path.GetTempFileName();
System.IO.File.Delete(fileName);
image.SaveFile(fileName);
fileNames.Add(fileName);
}
} finally {
image = null;
foreach (Property prop in device.Properties)
{
if (prop.PropertyID == (uint)WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_SELECT)
{
hasSheetFeeder = ((WIA_DPS_DOCUMENT_HANDLING_SELECT)prop.get_Value() == WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER);
}
if (prop.PropertyID == (uint)WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_STATUS)
{
hasMorePages = ((WIA_DPS_DOCUMENT_HANDLING_STATUS)prop.get_Value() == WIA_DPS_DOCUMENT_HANDLING_STATUS.FEED_READY);
}
}
}
} while (hasSheetFeeder && hasMorePages);
return(fileNames);
}
public static bool Scan(string path)
{
string tempPath = Path.GetTempFileName();
if (File.Exists(tempPath))
{
File.Delete(tempPath);
}
ImageFormat format = ImageFormat.Jpeg;
var dlg = new CommonDialog();
ImageFile image = dlg.ShowAcquireImage(WiaDeviceType.ScannerDeviceType, WiaImageIntent.ColorIntent, WiaImageBias.MinimizeSize, format.Guid.ToString("B"), false, false, false);
if (image == null)
{
return(false);
}
image.SaveFile(tempPath);
// Get a bitmap.
var bmp1 = new Bitmap(tempPath);
ImageCodecInfo jgpEncoder = GetEncoder(ImageFormat.Jpeg);
// Create an Encoder object based on the GUID
// for the Quality parameter category.
Encoder myEncoder = Encoder.Quality;
// Create an EncoderParameters object.
// An EncoderParameters object has an array of EncoderParameter
// objects. In this case, there is only one
// EncoderParameter object in the array.
EncoderParameters myEncoderParameters = new EncoderParameters(1);
EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 80L);
myEncoderParameters.Param[0] = myEncoderParameter;
bmp1.Save(path, jgpEncoder, myEncoderParameters);
return(true);
}
public ImageFile Acquire()
{
ImageFile image;
try
{
CommonDialog dialog = new CommonDialog();
var type = WiaDeviceType.ScannerDeviceType;
if (_deviceKind == DeviceKind.Camera)
{
type = WiaDeviceType.CameraDeviceType;
}
var device = dialog.ShowSelectDevice(type, false, false);
foreach (var item in device.Items)
{
}
foreach (Property propertyItem in device.Properties)
{
//if (!propertyItem.IsReadOnly)
{
Debug.WriteLine(String.Format("{0}\t{1}\t{2}", propertyItem.Name, propertyItem.PropertyID, propertyItem.get_Value()));
}
}
//this gives the UI we want (can select profiles), but there's no way for an application to get the
//results of the scan!!!! It just asks the user where to save the image. GRRRRRRR.
//object x = dialog.ShowAcquisitionWizard(device);
//With the low-end canoscan I'm using, it just ignores these settings, so we just get a bitmap of whatever
//b&w / color the user requested
image = dialog.ShowAcquireImage(
type,
WiaImageIntent.GrayscaleIntent,
WiaImageBias.MaximizeQuality,
WIA.FormatID.wiaFormatBMP, //We'll automatically choose the format later depending on what we see
false,
true,
false);
UsageReporter.SendNavigationNotice("AcquiredImage/" + (_deviceKind == DeviceKind.Camera?"Camera": "Scanner"));
return(image);
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
throw new ImageDeviceNotFoundException();
}
else
{
//NB: I spend some hours working on adding this wiaaut.dll via the installer, using wix heat, but it was one problem after another.
//Decided eventually that it wasn't worth it at this point; it's easy enough to install by hand.
if (ErrorReport.GetOperatingSystemLabel().Contains("XP"))
{
var comErrorCode = new Win32Exception(((COMException)ex).ErrorCode).ErrorCode;
if (comErrorCode == 80040154)
{
throw new WIA_Version2_MissingException();
}
}
throw new ImageDeviceException("COM Exception", ex);
}
}
}
public ImageFile Acquire()
{
ImageFile image;
try
{
CommonDialog dialog = new CommonDialog();
var type = WiaDeviceType.ScannerDeviceType;
if(_deviceKind==DeviceKind.Camera)
type = WiaDeviceType.CameraDeviceType;
var device = dialog.ShowSelectDevice(type, false, false);
foreach (var item in device.Items)
{
}
foreach (Property propertyItem in device.Properties)
{
//if (!propertyItem.IsReadOnly)
{
Debug.WriteLine(String.Format("{0}\t{1}\t{2}", propertyItem.Name, propertyItem.PropertyID, propertyItem.get_Value()));
}
}
//this gives the UI we want (can select profiles), but there's no way for an application to get the
//results of the scan!!!! It just asks the user where to save the image. GRRRRRRR.
//object x = dialog.ShowAcquisitionWizard(device);
//With the low-end canoscan I'm using, it just ignores these settings, so we just get a bitmap of whatever
//b&w / color the user requested
image = dialog.ShowAcquireImage(
type,
WiaImageIntent.GrayscaleIntent,
WiaImageBias.MaximizeQuality,
WIA.FormatID.wiaFormatBMP, //We'll automatically choose the format later depending on what we see
false,
true,
false);
UsageReporter.SendNavigationNotice("AcquiredImage/" + (_deviceKind == DeviceKind.Camera?"Camera": "Scanner"));
return image;
}
catch (COMException ex)
{
if (ex.ErrorCode == -2145320939)
{
throw new ImageDeviceNotFoundException();
}
else
{
//NB: I spend some hours working on adding this wiaaut.dll via the installer, using wix heat, but it was one problem after another.
//Decided eventually that it wasn't worth it at this point; it's easy enough to install by hand.
if (ErrorReport.GetOperatingSystemLabel().Contains("XP"))
{
var comErrorCode = new Win32Exception(((COMException) ex).ErrorCode).ErrorCode;
if (comErrorCode == 80040154)
{
throw new WIA_Version2_MissingException();
}
}
throw new ImageDeviceException("COM Exception", ex);
}
}
}