private static void TestPdf2PdfAWithAttachment()
{
string pdfPath = @"";
string outputPath = @"";
PdfCreator pdfCreator = new PdfCreator();
List <KeyValuePair <string, string> > properties = new List <KeyValuePair <string, string> >();
properties.Add(new KeyValuePair <string, string>("Title", "ETDA Recommendation PDF/A-3U Example"));
properties.Add(new KeyValuePair <string, string>("Author", "Author 1"));
properties.Add(new KeyValuePair <string, string>("Author", "Author 2"));
properties.Add(new KeyValuePair <string, string>("Subject", "Example Document"));
properties.Add(new KeyValuePair <string, string>("Keywords", "ETDA Recommendation Basic Level Document"));
EAttactment eAttach = new EAttactment();
//EAttactment eAttach = new EAttactment("ContentInformation.xml", "resource/ContentInformation.xml", "Text/XML",EAttactment.ALTERNATIVE, "Document Content in XML format");
eAttach.attachmentName = "ContentInformation.xml";
eAttach.contentInformationXMLPath = "resource/ContentInformation.xml";
eAttach.attachmentMIME = "Text/XML";
eAttach.attachmentType = EAttactment.ALTERNATIVE;
eAttach.attachmentDescription = "Document Content in XML format";
eAttach.documentID = "C# example 01/2559";
eAttach.documentOID = "2.16.764.1.4.100.0.0.0.0";
eAttach.documentVersion = "1.0";
FileAttachment fileAttach = new FileAttachment();
fileAttach.attachmentName = @"FileAttach.docx";
fileAttach.attachmentPath = @"D:/specification.docx";
fileAttach.attachmentMIME = "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
fileAttach.attachmentType = EAttactment.SOURCE;
fileAttach.attachmentDescription = "Specification Document";
eAttach.fileAttachments = new List <FileAttachment>();
eAttach.fileAttachments.Add(fileAttach);
// use default if not define
OutputIntents outputIntents = new OutputIntents();
outputIntents.colorProfilePath = @"";
outputIntents.outputConditionIdentifier = "sRGB IEC61966-2.1";
outputIntents.outputCondition = "";
outputIntents.registryName = "http://www.color.org";
outputIntents.info = "sRGB IEC61966-2.1";
eAttach.outputIntents = outputIntents;
byte[] pdfByte = File.ReadAllBytes(pdfPath);
byte[] result = pdfCreator.Pdf2PdfA(pdfByte, properties, eAttach);
File.WriteAllBytes(outputPath, result);
}
public byte[] Pdf2PdfA(byte[] pdf, List <KeyValuePair <string, string> > properties, EAttactment attachment)
{
PdfReader document = new PdfReader(pdf);
MemoryStream stream = new MemoryStream();
Document pdfADocument = new Document();
PdfAWriter writer = this.CreatePDFAInstance(pdfADocument, document, stream);
writer.CreateXmpMetadata();
XmpWriter xmpWriter = writer.XmpWriter;
properties.ForEach(delegate(KeyValuePair <string, string> keyValuePairs)
{
xmpWriter.AddDocInfoProperty(keyValuePairs.Key, keyValuePairs.Value);
});
GenerateEAttachmentDocument(writer, xmpWriter, attachment);
pdfADocument.Close();
document.Close();
return(stream.ToArray());
}
private void GenerateEAttachmentDocument(PdfAWriter writer, XmpWriter xmpWriter, EAttactment attachment)
{
// Use default intent if output intent of this instance was not set
if (attachment.outputIntents == null)
{
//byte[] iccProfile = File.ReadAllBytes("/Resources/sRGB Color Space Profile.icm");
byte[] iccProfile = Properties.Resources.sRGB_Color_Space_Profile;
ICC_Profile icc = ICC_Profile.GetInstance(iccProfile);
writer.SetOutputIntents("sRGB IEC61966-2.1", "", "http://www.color.org", "sRGB IEC61966-2.1", icc);
}
else
{
OutputIntents outputIntents = attachment.outputIntents;
byte[] iccProfileByteArray = File.ReadAllBytes(outputIntents.colorProfilePath);
ICC_Profile icc = ICC_Profile.GetInstance(iccProfileByteArray);
writer.SetOutputIntents(outputIntents.outputConditionIdentifier, outputIntents.outputCondition, outputIntents.registryName, outputIntents.info, icc);
}
//============= Create Exchange ECertificate =================
// 1 add ContentInformation.xml to document
PdfArray attachmentArray = new PdfArray();
writer.ExtraCatalog.Put(new PdfName("AF"), attachmentArray);
PdfFileSpecification contentSpec = this.EmbeddedAttachment(attachment.contentInformationXMLPath, attachment.attachmentName,
attachment.attachmentMIME, new PdfName(attachment.attachmentType), writer, attachment.attachmentDescription);
attachmentArray.Add(contentSpec.Reference);
foreach (var item in attachment.fileAttachments)
{
contentSpec = this.EmbeddedAttachment(item.attachmentPath, item.attachmentName,
item.attachmentMIME, new PdfName(item.attachmentType), writer, item.attachmentDescription);
attachmentArray.Add(contentSpec.Reference);
}
// 2 add Electronic Document XMP Metadata
ElectronicDocumentSchema ed = ElectronicDocumentSchema.generateED(attachment.attachmentName, attachment.documentVersion, attachment.documentID, attachment.documentOID);
xmpWriter.AddRdfDescription(ed);
string pdfaSchema = Properties.Resources.EDocument_PDFAExtensionSchema;
// convert string to stream
byte[] byteArray = Encoding.UTF8.GetBytes(pdfaSchema);
//byte[] byteArray = Encoding.ASCII.GetBytes(contents);
MemoryStream stream = new MemoryStream(byteArray);
IXmpMeta edPDFAextension = XmpMetaFactory.Parse(stream);
IXmpMeta originalXMP = xmpWriter.XmpMeta;
XmpUtils.AppendProperties(edPDFAextension, originalXMP, true, true);
}
