public Task <byte[]> ConvertToPdfA2B(MemoryStream input)
{
var output = new MemoryStream();
var iccStream = new FileStream(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, _imageColorMatchingFilename), FileMode.Open, FileAccess.Read);
try
{
var intent = new PdfOutputIntent("Custom", "", "http://www.color.org", "sRGB IEC61966-2.1", iccStream);
var currentPdf = new PdfADocument(new PdfWriter(output), PdfAConformanceLevel.PDF_A_2B, intent);
var inputPdf = new PdfDocument(new PdfReader(input));
currentPdf.SetTagged();
currentPdf.GetCatalog().SetLang(new PdfString("en-US"));
currentPdf.GetCatalog().SetViewerPreferences(new PdfViewerPreferences().SetDisplayDocTitle(true));
for (int i = 1; i <= inputPdf.GetNumberOfPages(); i++)
{
currentPdf.AddPage(inputPdf.GetPage(i).CopyTo(currentPdf));
}
//inputPdf.CopyPagesTo(1, inputPdf.GetNumberOfPages(), currentPdf);
currentPdf.Close();
return(Task.FromResult(output.ToArray()));
}
finally
{
iccStream.Dispose();
input.Dispose();
output.Dispose();
}
}
public void Copy(PdfDocument pdf)
{
var numberOfPages = pdf.GetNumberOfPages();
for (var pageNumber = 1; pageNumber <= numberOfPages; pageNumber++)
{
var page = pdf.GetPage(pageNumber);
var copiedPage = page.CopyTo(_pdfa);
_pdfa.AddPage(copiedPage);
}
}