private void SaveDocument(string documentFileName)
{
// Update the characters from what we have so far
// The word is remove now from the OCR results
_ocrPage.SetRecognizedCharacters(_ocrPageCharacters);
// Save this document as PDF
// Setup the arguments for the callback
Dictionary <string, object> args = new Dictionary <string, object>();
args.Add("documentFileName", documentFileName);
args.Add("viewDocument", _preferencesViewSavedDocumentToolStripMenuItem.Checked);
// Call the process dialog
try
{
bool allowProgress = _preferencesUseCallbacksToolStripMenuItem.Checked;
using (OcrProgressDialog dlg = new OcrProgressDialog(allowProgress, "Saving Document", new OcrProgressDialog.ProcessDelegate(DoSaveDocument), args))
{
dlg.ShowDialog(this);
}
}
catch (Exception ex)
{
ShowError(ex);
}
finally
{
UpdateUIState();
}
}
private void OpenDocument(string documentFileName)
{
// Create a new document, add the page to it and recognize it
// If all the above is OK, then use it
// Setup the arguments for the callback
Dictionary <string, object> args = new Dictionary <string, object>();
args.Add("documentFileName", documentFileName);
// Call the process dialog
try
{
bool allowProgress = _preferencesUseCallbacksToolStripMenuItem.Checked;
using (OcrProgressDialog dlg = new OcrProgressDialog(allowProgress, "Loading and Recognizing Document", new OcrProgressDialog.ProcessDelegate(DoLoadAndRecognizeDocument), args))
{
dlg.ShowDialog(this);
}
}
catch (Exception ex)
{
ShowError(ex);
}
finally
{
UpdateUIState();
}
}
private void DoSaveDocument(OcrProgressDialog dlg, Dictionary <string, object> args)
{
// Perform load and recognize here
OcrProgressCallback callback = dlg.OcrProgressCallback;
try
{
string documentFileName = args["documentFileName"] as string;
bool viewDocument = (bool)args["viewDocument"];
if (!dlg.IsCanceled)
{
// If we are not using a progress bar, update the description text
if (callback == null)
{
dlg.UpdateDescription("Saving the document ...");
}
PdfDocumentOptions pdfOptions = _ocrDocument.DocumentWriterInstance.GetOptions(DocumentFormat.Pdf) as PdfDocumentOptions;
pdfOptions.Producer = "LEAD Technologies, Inc.";
pdfOptions.Creator = "LEADTOOLS PDFWriter";
_ocrDocument.DocumentWriterInstance.SetOptions(DocumentFormat.Pdf, pdfOptions);
_ocrDocument.Save(documentFileName, DocumentFormat.Pdf, callback);
}
// If it has not been canceled, show the final document (if applicable)
if (!dlg.IsCanceled && viewDocument)
{
Process.Start(documentFileName);
}
}
catch (Exception ex)
{
ShowError(ex);
}
finally
{
if (callback == null)
{
dlg.EndOperation();
}
}
}
private void DoLoadAndRecognizeDocument(OcrProgressDialog dlg, Dictionary <string, object> args)
{
// Perform load and recognize here
OcrProgressCallback callback = dlg.OcrProgressCallback;
IOcrDocument ocrDocument = null;
try
{
string documentFileName = args["documentFileName"] as string;
ocrDocument = _ocrEngine.DocumentManager.CreateDocument("", OcrCreateDocumentOptions.InMemory);
IOcrPage ocrPage = null;
if (!dlg.IsCanceled)
{
// If we are not using a progress bar, update the description text
if (callback == null)
{
dlg.UpdateDescription("Loading the document (first page only)...");
}
ocrPage = ocrDocument.Pages.AddPage(documentFileName, callback);
}
if (!dlg.IsCanceled)
{
// If we are not using a progress bar, update the description text
if (callback == null)
{
dlg.UpdateDescription("Recognizing the page(s) of the document...");
}
ocrPage.Recognize(callback);
}
if (!dlg.IsCanceled)
{
// We did not cancel, use this document
SetDocument(ocrDocument, documentFileName);
ocrDocument = null;
}
}
catch (Exception ex)
{
ShowError(ex);
}
finally
{
if (callback == null)
{
dlg.EndOperation();
}
// Clean up
if (ocrDocument != null)
{
ocrDocument.Dispose();
}
}
}