private PdfDocument InitPdfDocument(Job job)
{
var version = DeterminePdfVersionAsEnum(job.Profile);
_originalSourceFile = job.IntermediatePdfFile;
var processedFile = AddTailToFile(_originalSourceFile, "_processed");
var writerProperties = new WriterProperties();
writerProperties.SetPdfVersion(version);
ApplyEncryptionToWriterProperties(job, writerProperties);
try
{
PdfReader pdfReader = new PdfReader(_originalSourceFile);
PdfWriter pdfWriter = new PdfWriter(processedFile, writerProperties);
_pdfDocument = new PdfDocument(pdfReader, pdfWriter);
}
catch (Exception e)
{
Logger.Trace(e.Message);
}
job.IntermediatePdfFile = processedFile;
return(_pdfDocument);
}
public virtual void EncryptWithPassword2(String filename, int encryptionType, int compression, bool isPdf2
)
{
int permissions = EncryptionConstants.ALLOW_SCREENREADERS;
WriterProperties writerProperties = new WriterProperties().SetStandardEncryption(USER, OWNER, permissions,
encryptionType);
if (isPdf2)
{
writerProperties.SetPdfVersion(PdfVersion.PDF_2_0);
}
PdfWriter writer = new PdfWriter(destinationFolder + filename, writerProperties.AddXmpMetadata());
writer.SetCompressionLevel(compression);
PdfDocument document = new PdfDocument(writer);
document.GetDocumentInfo().SetMoreInfo(customInfoEntryKey, customInfoEntryValue);
PdfPage page = document.AddNewPage();
WriteTextBytesOnPageContent(page, pageTextContent);
page.Flush();
document.Close();
CompareEncryptedPdf(filename);
CheckEncryptedWithPasswordDocumentStamping(filename, OWNER);
CheckEncryptedWithPasswordDocumentAppending(filename, OWNER);
}
private void ConvertToPdfa(Job job)
{
if (job.Profile.OutputFormat.IsPdfA())
{
var sourcePdf = job.IntermediatePdfFile;
if (string.IsNullOrEmpty(sourcePdf))
{
return;
}
var targetPdf = AddTailToFile(sourcePdf, "_pdfa");
var version = DeterminePdfVersionAsEnum(job.Profile);
var writerProperties = new WriterProperties();
writerProperties.SetPdfVersion(version);
byte[] resource;
//Set ICC Profile according to the color model
switch (job.Profile.PdfSettings.ColorModel)
{
case ColorModel.Cmyk:
resource = GhostscriptResources.WebCoatedFOGRA28;
break;
case ColorModel.Gray:
resource = GhostscriptResources.ISOcoated_v2_grey1c_bas;
break;
default:
resource = GhostscriptResources.eciRGB_v2;
break;
}
try
{
using (var icc = new MemoryStream(resource))
{
var document = new PdfADocument(new PdfWriter(targetPdf, writerProperties), GetConformLevel(job.Profile.OutputFormat), new PdfOutputIntent("Custom", "", "http://www.color.org", "sRGB IEC61966-2.1", icc));
document.SetTagged();
var toCopyDoc = new PdfDocument(new PdfReader(sourcePdf));
toCopyDoc.CopyPagesTo(1, toCopyDoc.GetNumberOfPages(), document);
var metaData = XMPMetaFactory.ParseFromBuffer(toCopyDoc.GetXmpMetadata());
document.SetXmpMetadata(metaData);
toCopyDoc.Close();
document.Close();
File.Delete(sourcePdf);
job.IntermediatePdfFile = targetPdf;
}
}
catch (PdfAConformanceException ex)
{
throw new ProcessingException("One of the used pdfs does not conform to the PDF-A specification", ErrorCode.Processing_ConformanceMismatch, ex);
}
}
}
public MemoryStream CreatePdf(string text)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
_logger.LogInformation("Creating barcode for '{Text}'", text);
var properties = new WriterProperties();
properties.SetPdfVersion(PdfVersion.PDF_1_4);
var stream = new MemoryStream();
using var writer = new PdfWriter(stream, properties);
var pdfDoc = new PdfDocument(writer);
PdfFont fontOcrb = PdfFontFactory.CreateFont("wwwroot/OCRB.otf", PdfEncodings.WINANSI, PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED);
Color cmykBlack = new DeviceCmyk(0, 0, 0, 100);
var gState = new PdfExtGState().SetFillOverPrintFlag(true).SetStrokeOverPrintFlag(true).SetOverprintMode(1);
var code128 = new Barcode128(pdfDoc);
code128.SetBaseline(7.67f);
code128.SetSize(9f);
code128.SetFont(fontOcrb);
code128.SetX(0.72f);
code128.SetBarHeight(14.17f);
code128.SetCode(text);
code128.SetCodeType(Barcode128.CODE128);
var xObject = code128.CreateFormXObject(cmykBlack, cmykBlack, pdfDoc);
pdfDoc.AddNewPage(new iText.Kernel.Geom.PageSize(xObject.GetWidth(), xObject.GetHeight()));
PdfCanvas canvas = new PdfCanvas(pdfDoc.GetFirstPage());
canvas.SaveState();
canvas.SetExtGState(gState);
canvas.AddXObjectAt(xObject, 0f, 0f);
canvas.RestoreState();
pdfDoc.Close();
return(stream);
}
/// <summary>
/// Avvia merge
/// </summary>
/// <param name="name"></param>
/// <param name="outstream"></param>
/// <param name="closeOnEndMerge"></param>
public void BeginMergeToStream(string name, Stream outstream, bool closeOnEndMerge)
{
this.NumDocumentsMerged = 0;
this.NumPagesMerged = 0;
this.Name = name;
this.mStream = outstream;
var wp = new WriterProperties().AddXmpMetadata();
wp.SetPdfVersion(PdfVersion.PDF_1_4);
var w = new PdfWriter(outstream, wp);
w.SetCloseStream(closeOnEndMerge);
w.SetSmartMode(true);
this.mDocument = new PdfDocument(w);
this.mMerge = new PdfMerger(this.mDocument);
}
