static int Main(string[] args)
{
var preferencesFileName = args.Length == 1 ? args[0] : null;
try
{
return(Run(preferencesFileName));
}
catch (Exception ex)
{
try
{
// Load it from the file specified by the user
if (!string.IsNullOrEmpty(preferencesFileName))
{
var preferences = DocumentConverterPreferences.Load(preferencesFileName);
preferences.ErrorMessage = ex.Message;
preferences.Save(preferencesFileName);
}
}
catch
{
}
return(1);
}
}
// Initialize the OCR engine used throughout the application
private static IOcrEngine InitOcrEngine(DocumentConverterPreferences preferences)
{
// try to start the OCR engine
IOcrEngine ocrEngine = null;
var ocrEngineType = preferences.OCREngineType;
try
{
Trace.WriteLine("Starting OCR engine");
ocrEngine = OcrEngineManager.CreateEngine(ocrEngineType, false);
#if LT_CLICKONCE
var ocrEngineRuntimePath = Path.Combine(Application.StartupPath, @"OCR Engine");
#else
var ocrEngineRuntimePath = preferences.OCREngineRuntimePath;
if (string.IsNullOrEmpty(ocrEngineRuntimePath))
{
// Maybe in a local folder under this EXE?
if (ocrEngineType == OcrEngineType.LEAD)
{
ocrEngineRuntimePath = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), @"LEADTOOLS\OcrLEADRuntime");
}
else if (ocrEngineType == OcrEngineType.OmniPage)
{
if (IntPtr.Size == 8)
{
ocrEngineRuntimePath = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), @"LEADTOOLS\OcrOmniPageRuntime64");
}
else
{
ocrEngineRuntimePath = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), @"LEADTOOLS\OcrOmniPageRuntime");
}
}
}
if (!Directory.Exists(ocrEngineRuntimePath))
{
// No, check the registry if this machine has LEADTOOLS installed
ocrEngineRuntimePath = null;
}
#endif
ocrEngine.Startup(null, null, null, ocrEngineRuntimePath);
}
catch (Exception ex)
{
ocrEngine = null;
var message = string.Format("Failed to start the OCR engine. The demo will continue running without OCR functionality and you will not be able to parse text from non-document files such as TIFF or Raster PDF.\n\nError message:\n{0}", ex.Message);
Trace.WriteLine(message);
}
return(ocrEngine);
}
private static string GetExtension(DocumentConverterPreferences preferences)
{
if (preferences.DocumentFormat != DocumentFormat.User)
{
return(DocumentWriter.GetFormatFileExtension(preferences.DocumentFormat));
}
else
{
return(RasterCodecs.GetExtension(preferences.RasterImageFormat));
}
}
private static int Run(string preferencesFileName)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Messager.Caption = "Document Converter Demo";
// Initialize Trace
Trace.Listeners.Add(new TextWriterTraceListener(Console.Out));
Console.WriteLine("LEADTOOLS " + Messager.Caption);
DocumentConverterPreferences preferences;
ConvertRedactionOptions convertRedactionOptions = null;
if (!string.IsNullOrEmpty(preferencesFileName))
{
// Load it from the file specified by the user
preferences = DocumentConverterPreferences.Load(preferencesFileName);
preferences.IsSilentMode = true;
}
else
{
// Load the preferences file
DocumentConverterPreferences.DemoName = "Document Converter Demo";
DocumentConverterPreferences.XmlFileName = "DocumentConverterDemo";
preferences = DocumentConverterPreferences.Load();
preferences.IsSilentMode = false;
}
if (!Support.SetLicense(preferences.IsSilentMode))
{
if (preferences.IsSilentMode)
{
throw new Exception("Your license file is missing, invalid or expired.");
}
return(-1);
}
// Create the rendering engine
try
{
if (preferences.AnnRenderingEngine == null)
{
preferences.AnnRenderingEngine = new AnnWinFormsRenderingEngine();
preferences.AnnRenderingEngine.Resources = Tools.LoadResources();
}
}
catch { }
if (!preferences.IsSilentMode)
{
// Show the OCR engine selection dialog to startup the OCR engine
Trace.WriteLine("Starting OCR engine");
var engineType = preferences.OCREngineType;
using (var dlg = new OcrEngineSelectDialog(DocumentConverterPreferences.DemoName, engineType.ToString(), true))
{
dlg.AllowNoOcr = true;
dlg.AllowNoOcrMessage = "The demo runs without OCR functionality but you will not be able to parse text from non-document files such as TIFF or Raster PDF. Click 'Cancel' to start this demo without an OCR engine.";
if (dlg.ShowDialog() == DialogResult.OK)
{
preferences.OcrEngineInstance = dlg.OcrEngine;
preferences.OCREngineType = dlg.OcrEngine.EngineType;
Trace.WriteLine(string.Format("OCR engine {0} started", preferences.OCREngineType));
}
}
}
else
{
// Initialize the default OCR engine
preferences.OcrEngineInstance = InitOcrEngine(preferences);
}
// Initialize the RasterCodecs instance
var rasterCodecs = new RasterCodecs();
rasterCodecs.Options = DocumentFactory.RasterCodecsTemplate.Options.Clone();
preferences.RasterCodecsInstance = rasterCodecs;
if (!string.IsNullOrEmpty(preferences.RasterCodecsOptionsPath))
{
preferences.RasterCodecsInstance.LoadOptions(preferences.RasterCodecsOptionsPath);
}
// Initialize the DocumentWriter instance
preferences.DocumentWriterInstance = new DocumentWriter();
if (!string.IsNullOrEmpty(preferences.DocumentWriterOptionsPath))
{
preferences.DocumentWriterInstance.LoadOptions(preferences.DocumentWriterOptionsPath);
}
// Cache to use
ObjectCache cache = null;
// Initialize the cache
if (!string.IsNullOrEmpty(preferences.CacheDirectory))
{
var fileCache = new FileCache();
fileCache.CacheDirectory = preferences.CacheDirectory;
fileCache.DataSerializationMode = preferences.CacheDataSerializationMode;
fileCache.PolicySerializationMode = preferences.CachePolicySerializationMode;
cache = fileCache;
}
// Do conversions
var more = true;
while (more)
{
Console.WriteLine("Obtaining conversion options");
if (!preferences.IsSilentMode)
{
// Collect the options
using (var dlg = new DocumentConverterDialog())
{
dlg.Preferences = preferences.Clone();
dlg.RedactionOptions = convertRedactionOptions;
if (dlg.ShowDialog() == DialogResult.OK)
{
preferences = dlg.Preferences.Clone();
convertRedactionOptions = dlg.RedactionOptions;
}
else
{
more = false;
}
}
}
if (more)
{
try
{
// Save the preferences
if (!preferences.IsSilentMode)
{
preferences.Save();
}
// Run the conversion
if (preferences.DocumentId != null)
{
var loadFromCacheOptions = new LoadFromCacheOptions
{
Cache = cache,
DocumentId = preferences.DocumentId,
UserToken = preferences.DocumentUserToken
};
using (var document = DocumentFactory.LoadFromCache(loadFromCacheOptions))
{
if (document == null)
{
throw new Exception(string.Format("Could not load document with ID '{0}' from the cache", preferences.DocumentId));
}
preferences.Run(cache, document, null, convertRedactionOptions);
}
}
else
{
preferences.Run(null, null, null, convertRedactionOptions);
}
}
catch (Exception ex)
{
if (!preferences.IsSilentMode)
{
Messager.ShowError(null, ex.Message);
}
else
{
preferences.ErrorMessage = ex.Message;
}
}
}
if (more)
{
if (!preferences.IsSilentMode)
{
// Ask if user wants to convert another document
more = (Messager.ShowQuestion(null, "Convert more?", MessageBoxButtons.YesNo) == DialogResult.Yes);
}
else
{
more = false;
}
}
}
if (preferences.OcrEngineInstance != null)
{
preferences.OcrEngineInstance.Dispose();
}
if (preferences.RasterCodecsInstance != null)
{
preferences.RasterCodecsInstance.Dispose();
}
if (preferencesFileName != null)
{
preferences.Save(preferencesFileName);
}
if (preferences.ErrorMessage != null)
{
return(1);
}
return(0);
}
static void Main()
{
if (!Support.SetLicense())
{
return;
}
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Messager.Caption = "Document Converter Folder Demo";
// Initialize Trace
Trace.Listeners.Add(new TextWriterTraceListener(Console.Out));
Console.WriteLine("LEADTOOLS " + Messager.Caption);
// Load the preferences file
DocumentConverterPreferences.DemoName = "Document Converter Folder Demo";
DocumentConverterPreferences.XmlFileName = "DocumentConverterFolderDemo";
var preferences = DocumentConverterPreferences.Load();
preferences.OpenOutputDocumentAllowed = false;
MyOptions.XmlFileName = "DocumentConverterFolderOptions";
var myOptions = MyOptions.Load();
var runConversion = false;
using (var dlg = new MyOptionsDialog())
{
dlg.MyOptions = myOptions.Clone();
if (dlg.ShowDialog() == DialogResult.OK)
{
runConversion = true;
myOptions = dlg.MyOptions.Clone();
myOptions.Save();
}
}
if (!runConversion)
{
return;
}
// Initialize OCR engine
// Show the OCR engine selection dialog to startup the OCR engine
Trace.WriteLine("Starting OCR engine");
var engineType = preferences.OCREngineType;
using (var dlg = new OcrEngineSelectDialog(DocumentConverterPreferences.DemoName, engineType.ToString(), true))
{
dlg.AllowNoOcr = true;
dlg.AllowNoOcrMessage = "The demo runs without OCR functionality but you will not be able to parse text from non-document files such as TIFF or Raster PDF. Click 'Cancel' to start this demo without an OCR engine.";
if (dlg.ShowDialog() == DialogResult.OK)
{
preferences.OcrEngineInstance = dlg.OcrEngine;
preferences.OCREngineType = dlg.OcrEngine.EngineType;
Trace.WriteLine(string.Format("OCR engine {0} started", preferences.OCREngineType));
}
}
_handler += new EventHandler(Handler);
SetConsoleCtrlHandler(_handler, true);
try
{
// Initialize the RasterCodecs instance
var rasterCodecs = new RasterCodecs();
rasterCodecs.Options = DocumentFactory.RasterCodecsTemplate.Options.Clone();
preferences.RasterCodecsInstance = rasterCodecs;
// Initialize the DocumentWriter instance
preferences.DocumentWriterInstance = new DocumentWriter();
// Get the options
Console.WriteLine("Obtaining conversion options");
// Collect the options
using (var dlg = new DocumentConverterDialog())
{
// Create a dummy document so the options do not bug us about a input/output files
using (var document = DocumentFactory.Create("Raster", new CreateDocumentOptions {
MimeType = "image/tiff"
}))
{
dlg.InputDocument = document;
dlg.Preferences = preferences.Clone();
dlg.InputDocument = document;
if (dlg.ShowDialog() == DialogResult.OK)
{
preferences = dlg.Preferences.Clone();
// Save the preferences
preferences.Save();
}
else
{
runConversion = false;
}
}
}
if (runConversion)
{
// Set the RasterCodecs instance, should go into the DocumentFactory class which will be used to load the document
if (preferences.RasterCodecsInstance != null)
{
DocumentFactory.RasterCodecsTemplate = preferences.RasterCodecsInstance;
}
DocumentConverter converter = new DocumentConverter();
// Set the OCR engine
if (preferences.OcrEngineInstance != null)
{
converter.SetOcrEngineInstance(preferences.OcrEngineInstance, false);
}
if (preferences.DocumentWriterInstance != null)
{
converter.SetDocumentWriterInstance(preferences.DocumentWriterInstance);
}
// Set pre-processing options
converter.Preprocessor.Deskew = preferences.PreprocessingDeskew;
converter.Preprocessor.Invert = preferences.PreprocessingInvert;
converter.Preprocessor.Orient = preferences.PreprocessingOrient;
// Enable trace
converter.Diagnostics.EnableTrace = preferences.EnableTrace;
// Set options
converter.Options.JobErrorMode = preferences.ErrorMode;
converter.Options.EnableSvgConversion = preferences.EnableSvgConversion;
converter.Options.SvgImagesRecognitionMode = (preferences.OcrEngineInstance != null && preferences.OcrEngineInstance.IsStarted) ? preferences.SvgImagesRecognitionMode : DocumentConverterSvgImagesRecognitionMode.Disabled;
converter.Diagnostics.EnableTrace = preferences.EnableTrace;
try
{
RunConversion(converter, preferences, myOptions);
}
catch (Exception ex)
{
Trace.WriteLine("Error " + ex.Message);
}
}
if (preferences.OcrEngineInstance != null)
{
preferences.OcrEngineInstance.Dispose();
}
if (preferences.RasterCodecsInstance != null)
{
preferences.RasterCodecsInstance.Dispose();
}
_handler -= new EventHandler(Handler);
Console.WriteLine("\nDone, Press and key to close demo.");
Console.ReadKey();
}
finally
{
_handler -= new EventHandler(Handler);
}
}
private static bool Convert(DocumentConverter converter, string inFile, string outFile, DocumentConverterPreferences preferences)
{
// Setup the load document options
var loadDocumentOptions = new LoadDocumentOptions();
// Not using cache
loadDocumentOptions.UseCache = false;
// Set the input annotation mode or file name
loadDocumentOptions.LoadEmbeddedAnnotations = preferences.LoadEmbeddedAnnotation;
converter.LoadDocumentOptions = loadDocumentOptions;
if (preferences.DocumentFormat == DocumentFormat.Ltd && File.Exists(outFile))
{
File.Delete(outFile);
}
// Create a job
var jobData = new DocumentConverterJobData
{
InputDocumentFileName = inFile,
InputDocumentFirstPageNumber = preferences.InputFirstPage,
InputDocumentLastPageNumber = preferences.InputLastPage,
DocumentFormat = preferences.DocumentFormat,
RasterImageFormat = preferences.RasterImageFormat,
RasterImageBitsPerPixel = preferences.RasterImageBitsPerPixel,
OutputDocumentFileName = outFile,
AnnotationsMode = preferences.OutputAnnotationsMode,
JobName = preferences.JobName,
UserData = null,
};
// Create the job
var job = converter.Jobs.CreateJob(jobData);
var ret = true;
// Run it
try
{
Trace.WriteLine("Running job...");
var stopwatch = new Stopwatch();
stopwatch.Start();
converter.Jobs.RunJob(job);
stopwatch.Stop();
var elapsed = stopwatch.ElapsedMilliseconds;
_totalTime += elapsed;
// If we have errors, show them
Trace.WriteLine("----------------------------------");
Trace.WriteLine("Status: " + job.Status);
Trace.WriteLine("----------------------------------");
Trace.WriteLine("Conversion modes: " + job.ConversionModes);
Log(string.Format("{0} - {1} - {2}", job.Status, job.ConversionModes, inFile));
ret = job.Status == DocumentConverterJobStatus.Success;
if (job.Errors.Count > 0)
{
ret = false;
// We have errors, show them
Trace.WriteLine("Errors found:");
Log("Errors found:");
foreach (var error in job.Errors)
{
var message = string.Format("Page: {0} - Operation: {1} - Error: {2}", error.InputDocumentPageNumber, error.Operation, error.Error);
Trace.WriteLine(message);
Log(message);
}
}
Trace.WriteLine("Total conversion time: " + elapsed.ToString());
Log("Total conversion time: " + elapsed.ToString());
Trace.WriteLine("----------------------------");
}
catch (OcrException ex)
{
var message = string.Format("OCR error code: {0} - {1}", ex.Code, ex.Message);
Trace.WriteLine(message);
Log(string.Format("{0} - {1}", message, inFile));
ret = false;
}
catch (RasterException ex)
{
var message = string.Format("LEADTOOLS error code: {0} - {1}", ex.Code, ex.Message);
Trace.WriteLine(message);
Log(string.Format("{0} - {1}", message, inFile));
ret = false;
}
catch (Exception ex)
{
var message = string.Format("Error: {0} - {1}", ex.GetType().FullName, ex.Message);
Trace.WriteLine(message);
Log(string.Format("{0} - {1}", message, inFile));
ret = false;
}
return(ret);
}
private static void RunConversion(DocumentConverter converter, DocumentConverterPreferences preferences, MyOptions myOptions)
{
if (string.IsNullOrEmpty(myOptions.InputFolder) || !Directory.Exists(myOptions.InputFolder))
{
Trace.WriteLine("Input filder does not exist");
return;
}
if (!Directory.Exists(myOptions.OutputFolder))
{
Directory.CreateDirectory(myOptions.OutputFolder);
}
_logFile = Path.Combine(myOptions.OutputFolder, "_log.txt");
if (File.Exists(_logFile))
{
File.Delete(_logFile);
}
_totalTime = 0;
// Run here
var filter = myOptions.Extension != null?myOptions.Extension.Trim() : null;
if (string.IsNullOrEmpty(filter))
{
filter = "*.*";
}
var files = Directory.GetFiles(myOptions.InputFolder, filter);
var temp = new List <string>();
foreach (var file in files)
{
if (Path.GetExtension(file).ToLower() != ".db")
{
temp.Add(file);
}
}
files = temp.ToArray();
Trace.WriteLine(string.Format("{0} files", files.Length));
var extension = GetExtension(preferences);
var index = 0;
var count = files.Length;
foreach (var inFile in files)
{
var tmp = Path.GetFileName(inFile);
tmp = tmp.Remove(tmp.IndexOf(Path.GetExtension(inFile)));
var outFile = (tmp + "_" + Path.GetExtension(inFile).Replace(".", "")).Replace(".", "_");
outFile = Path.Combine(myOptions.OutputFolder, Path.ChangeExtension(outFile, extension));
Trace.WriteLine(string.Format("{0}:{1}", index + 1, count));
Trace.WriteLine(inFile);
Trace.WriteLine(outFile);
index++;
Convert(converter, inFile, outFile, preferences);
}
Log("Overall conversion time: " + _totalTime.ToString());
Trace.WriteLine("Overall conversion time: " + _totalTime.ToString());
}
