public byte[] MetaPDFA(byte[] file)
{
using (MemoryStream readingMemoryStream = new MemoryStream(file))
using (PdfReader pdfReader = new PdfReader(readingMemoryStream))
using (PdfDocument readingPdfDocument = new PdfDocument(pdfReader))
using (MemoryStream writingMemoryStream = new MemoryStream())
using (PdfWriter pdfWriter = new PdfWriter(writingMemoryStream))
using (FileStream intentFileStream = new FileStream(Intent, FileMode.Open, FileAccess.Read))
using (PdfADocument pdfaDocument = new PdfADocument(pdfWriter, PdfAConformanceLevel.PDF_A_1B, new PdfOutputIntent(
"Custom",
"",
"http://www.color.org",
"sRGB IEC61966-2.1",
intentFileStream
)))
{
readingPdfDocument.CopyPagesTo(1, readingPdfDocument.GetNumberOfPages(), pdfaDocument);
readingPdfDocument.Close();
pdfaDocument.Close();
return(writingMemoryStream.ToArray());
}
}
private void ButtonStart_Click(object sender, EventArgs e)
{
string title = IniFile.ReadIni("metadane", "Title");
string author = IniFile.ReadIni("metadane", "Author");
string subject = IniFile.ReadIni("metadane", "Subject");
string keywords = IniFile.ReadIni("metadane", "Keywords");
string podstawaPrawna = IniFile.ReadIni("metadane_dod", "podstawa_prawna");
List <string> inputFolders = new List <string> {
_inputDir
};
inputFolders.AddRange(Directory.GetDirectories(_inputDir, "*", SearchOption.AllDirectories).ToList());
Dictionary <string, int> validationErrors = new Dictionary <string, int>();
Dictionary <string, int> prefiksErrors = new Dictionary <string, int>();
Dictionary <string, string> otherErrors = new Dictionary <string, string>();
foreach (string inputFolder in inputFolders)
{
string outputFolder = inputFolder.Replace(_inputDir, _outputDir);
Directory.CreateDirectory(outputFolder);
string[] inputFiles = Directory.GetFiles(inputFolder, "*.pdf", SearchOption.TopDirectoryOnly);
foreach (string inputFile in inputFiles)
{
string outputFile = Path.Combine(outputFolder, Path.GetFileName(inputFile) ?? throw new InvalidOperationException());
PdfDocument srcPdf = new PdfDocument(new PdfReader(inputFile));
PdfOutputIntent rgbIntent = new PdfOutputIntent("Custom",
"",
"http://www.color.org",
"sRGB IEC61966-2.1",
new MemoryStream(Resources.sRGB_CS_profile));
PdfADocument outputPdf = new PdfADocument(new PdfWriter(outputFile), PdfAConformanceLevel.PDF_A_3B, rgbIntent);
try
{
srcPdf.CopyPagesTo(1, srcPdf.GetNumberOfPages(), outputPdf);
}
catch (Exception exception)
{
srcPdf.Close();
Document document = new Document(outputPdf);
document.Add(new Paragraph());
document.Close();
outputPdf.Close();
otherErrors.Add(inputFile, exception.Message);
continue;
}
srcPdf.Close();
PdfDocumentInfo info = outputPdf.GetDocumentInfo();
info.SetCreator("GN PDF_A Creator");
info.SetTitle(title);
info.SetAuthor(author);
info.SetSubject(subject);
info.SetKeywords(keywords);
info.SetMoreInfo(@"Podstawa prawna", podstawaPrawna);
string file = Path.GetFileName(outputFile);
Dictionary <string, string> rodzajDokumentu = _prefix.Where(p => file.ToUpper().Contains(p.Key.ToUpper())).ToDictionary(x => x.Key, x => x.Value);
if (rodzajDokumentu.Count != 1)
{
prefiksErrors.Add(inputFile, rodzajDokumentu.Count);
info.SetMoreInfo(@"Rodzaj Dokumentu", "");
}
else
{
info.SetMoreInfo(@"Rodzaj Dokumentu", rodzajDokumentu.Values.ElementAt(0));
}
info.SetMoreInfo("software", @"The file was created by the PDF_A program using iText 7 library");
info.SetMoreInfo("license", @"This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.");
info.SetMoreInfo("copyright", @"Copyright (C) 2019 GISNET");
for (int i = 0; i <= outputPdf.GetNumberOfPdfObjects(); i++)
{
PdfObject pdfObject = outputPdf.GetPdfObject(i);
if (pdfObject != null && pdfObject.IsStream())
{
PdfStream pdfStream = (PdfStream)pdfObject;
PdfObject subtype = pdfStream.Get(PdfName.Subtype);
if (Equals(subtype, PdfName.Image) && pdfStream.ContainsKey(PdfName.Interpolate))
{
pdfStream.Remove(PdfName.Interpolate);
}
}
}
try
{
outputPdf.Close();
}
catch (Exception exception)
{
otherErrors.Add(inputFile, exception.Message);
continue;
}
using (PDFACompliance pdfA = new PDFACompliance(false, outputFile, null, PDFACompliance.Conformance.e_Level3B, null, 10, false))
{
int errCnt = pdfA.GetErrorCount();
if (errCnt > 0)
{
validationErrors.Add(outputFile, errCnt);
}
}
}
}
using (StreamWriter errorFile = new StreamWriter(new FileStream("errors_validation.txt", FileMode.Create)))
{
foreach (var error in validationErrors)
{
errorFile.WriteLine(error.Key + ": " + error.Value);
}
}
using (StreamWriter errorFile = new StreamWriter(new FileStream("errors_prefix.txt", FileMode.Create)))
{
foreach (var error in prefiksErrors)
{
errorFile.WriteLine(error.Key + ": " + error.Value);
}
}
using (StreamWriter errorFile = new StreamWriter(new FileStream("errors_other.txt", FileMode.Create)))
{
foreach (var error in otherErrors)
{
errorFile.WriteLine(error.Key + ": " + error.Value);
}
}
MessageBox.Show(@"Przetwarzanie zakończono.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
}