private OutputDevice GetCorrectOutputDevice(Job job)
{
OutputDevice device;
switch (job.Profile.OutputFormat)
{
case OutputFormat.PdfA1B:
case OutputFormat.PdfA2B:
case OutputFormat.PdfA3B:
case OutputFormat.PdfX:
case OutputFormat.Pdf:
device = new PdfDevice(job);
break;
case OutputFormat.Png:
device = new PngDevice(job);
break;
case OutputFormat.Jpeg:
device = new JpegDevice(job);
break;
case OutputFormat.Tif:
device = new TiffDevice(job);
break;
case OutputFormat.Txt:
device = new TextDevice(job);
break;
default:
throw new Exception("Illegal OutputFormat specified");
}
return(device);
}
public static void Run()
{
// ExStart:ExtractTextUsingTextDevice
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
// Open document
Document pdfDocument = new Document(dataDir + "input.pdf");
System.Text.StringBuilder builder = new System.Text.StringBuilder();
// String to hold extracted text
string extractedText = "";
foreach (Page pdfPage in pdfDocument.Pages)
{
using (MemoryStream textStream = new MemoryStream())
{
// Create text device
TextDevice textDevice = new TextDevice();
// Set text extraction options - set text extraction mode (Raw or Pure)
TextExtractionOptions textExtOptions = new
TextExtractionOptions(TextExtractionOptions.TextFormattingMode.Pure);
textDevice.ExtractionOptions = textExtOptions;
// Convert a particular page and save text to the stream
textDevice.Process(pdfPage, textStream);
// ExStart:SaveTextToStream
// Convert a particular page and save text to the stream
textDevice.Process(pdfDocument.Pages[1], textStream);
// ExEnd:SaveTextToStream
// Close memory stream
textStream.Close();
// Get text from memory stream
extractedText = Encoding.Unicode.GetString(textStream.ToArray());
}
builder.Append(extractedText);
}
dataDir = dataDir + "input_Text_Extracted_out_.txt";
// Save the extracted text in text file
File.WriteAllText(dataDir, builder.ToString());
// ExEnd:ExtractTextUsingTextDevice
Console.WriteLine("\nText extracted successfully using text device from page of PDF Document.\nFile saved at " + dataDir);
}
public static void Run()
{
// ExStart:ExtractTextUsingTextDevice
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Text();
// Open document
Document pdfDocument = new Document( dataDir + "input.pdf");
System.Text.StringBuilder builder = new System.Text.StringBuilder();
// String to hold extracted text
string extractedText = "";
foreach (Page pdfPage in pdfDocument.Pages)
{
using (MemoryStream textStream = new MemoryStream())
{
// Create text device
TextDevice textDevice = new TextDevice();
// Set text extraction options - set text extraction mode (Raw or Pure)
TextExtractionOptions textExtOptions = new
TextExtractionOptions(TextExtractionOptions.TextFormattingMode.Pure);
textDevice.ExtractionOptions = textExtOptions;
// Convert a particular page and save text to the stream
textDevice.Process(pdfPage, textStream);
// ExStart:SaveTextToStream
// Convert a particular page and save text to the stream
textDevice.Process(pdfDocument.Pages[1], textStream);
// ExEnd:SaveTextToStream
// Close memory stream
textStream.Close();
// Get text from memory stream
extractedText = Encoding.Unicode.GetString(textStream.ToArray());
}
builder.Append(extractedText);
}
dataDir = dataDir + "input_Text_Extracted_out.txt";
// Save the extracted text in text file
File.WriteAllText(dataDir, builder.ToString());
// ExEnd:ExtractTextUsingTextDevice
Console.WriteLine("\nText extracted successfully using text device from page of PDF Document.\nFile saved at " + dataDir);
}
public static OutputDevice GenerateDevice(OutputFormat outputFormat, IFile fileWrap = null)
{
var jobStub = GenerateJobStub(outputFormat);
var fileStub = fileWrap ?? Substitute.For <IFile>();
var osHelperStub = Substitute.For <IOsHelper>();
osHelperStub.WindowsFontsFolder.Returns(WindowsFontsFolderDummie);
var commandLineUtilStub = Substitute.For <ICommandLineUtil>();
OutputDevice device = null;
switch (outputFormat)
{
case OutputFormat.Jpeg:
device = new JpegDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Pdf:
case OutputFormat.PdfA1B:
case OutputFormat.PdfA2B:
case OutputFormat.PdfX:
device = new PdfDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Png:
device = new PngDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Tif:
device = new TiffDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Txt:
device = new TextDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
}
return(device);
}
public static OutputDevice GenerateDevice(OutputFormat outputFormat)
{
var jobStub = GenerateJobStub(outputFormat);
var fileStub = MockRepository.GenerateStub <IFile>();
var osHelperStub = MockRepository.GenerateStub <IOsHelper>();
osHelperStub.Stub(x => x.WindowsFontsFolder).Return(WindowsFontsFolderDummie);
var commandLineUtilStub = MockRepository.GenerateStub <ICommandLineUtil>();
OutputDevice device = null;
switch (outputFormat)
{
case OutputFormat.Jpeg:
device = new JpegDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Pdf:
case OutputFormat.PdfA1B:
case OutputFormat.PdfA2B:
case OutputFormat.PdfX:
device = new PdfDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Png:
device = new PngDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Tif:
device = new TiffDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
case OutputFormat.Txt:
device = new TextDevice(jobStub, fileStub, osHelperStub, commandLineUtilStub);
break;
}
return(device);
}
private OutputDevice GetOutputDevice(Job job, ConversionMode conversionMode)
{
OutputDevice device;
if (conversionMode == ConversionMode.IntermediateConversion)
{
return(new PdfIntermediateDevice(job));
}
switch (job.Profile.OutputFormat)
{
case OutputFormat.PdfA1B:
case OutputFormat.PdfA2B:
case OutputFormat.PdfA3B:
case OutputFormat.PdfX:
case OutputFormat.Pdf:
device = new PdfDevice(job, conversionMode);
break;
case OutputFormat.Png:
device = new PngDevice(job, conversionMode);
break;
case OutputFormat.Jpeg:
device = new JpegDevice(job, conversionMode);
break;
case OutputFormat.Tif:
device = new TiffDevice(job, conversionMode);
break;
case OutputFormat.Txt:
device = new TextDevice(job, conversionMode);
break;
default:
throw new Exception("Illegal OutputFormat specified");
}
return(device);
}
/// <summary>
/// Run the Job
/// </summary>
protected override JobState RunJobWork()
{
try
{
if (string.IsNullOrEmpty(Thread.CurrentThread.Name))
{
Thread.CurrentThread.Name = "JobWorker";
}
}
catch (InvalidOperationException)
{
}
try
{
_ghostScript.Output += Ghostscript_Output;
OnJobCompleted += (sender, args) => _ghostScript.Output -= Ghostscript_Output;
OutputFiles.Clear();
Logger.Trace("Setting up actions");
SetUpActions();
Logger.Debug("Starting Ghostscript Job");
OutputDevice device;
switch (Profile.OutputFormat)
{
case OutputFormat.PdfA1B:
case OutputFormat.PdfA2B:
case OutputFormat.PdfX:
case OutputFormat.Pdf:
device = new PdfDevice(this);
break;
case OutputFormat.Png:
device = new PngDevice(this);
break;
case OutputFormat.Jpeg:
device = new JpegDevice(this);
break;
case OutputFormat.Tif:
device = new TiffDevice(this);
break;
case OutputFormat.Txt:
device = new TextDevice(this);
break;
default:
throw new Exception("Illegal OutputFormat specified");
}
Logger.Trace("Output format is: {0}", Profile.OutputFormat.ToString());
_ghostScript.Output += Ghostscript_Logging;
var success = _ghostScript.Run(device, JobTempFolder);
_ghostScript.Output -= Ghostscript_Logging;
Logger.Trace("Finished Ghostscript execution");
if (!success)
{
var errorMessage = ExtractGhostscriptErrors(GhostscriptOutput);
Logger.Error("Ghostscript execution failed: " + errorMessage);
ErrorMessage = errorMessage;
JobState = JobState.Failed;
return(JobState);
}
ProcessOutput();
Logger.Trace("Moving output files to final location");
MoveOutputFiles();
Logger.Trace("Finished Ghostscript Job");
JobState = JobState.Succeeded;
return(JobState);
}
catch (ProcessingException)
{
JobState = JobState.Failed;
throw;
}
catch (DeviceException)
{
JobState = JobState.Failed;
throw;
}
catch (Exception ex)
{
JobState = JobState.Failed;
Logger.Error("There was an error while converting the Job {0}: {1}", JobInfo.InfFile, ex);
throw;
}
}
