Hi guys,
I would appreciate a little guidance to this problem of mine:
I have a set of single page, pdf files with various sizes. The requirement
is to:
a) annotate the single page pdfs with some info coming from xml files.
b) merge the annotated files to a new file that retains page sizes and
annotations
I have managed to make each operation to run successfully but I can't
combine them both.
The annotation part is:
foreach (var doc in importDocuments)
{
foreach (var art in doc.Articles)
{
foreach (var bound in art.Bounds)
{
var pdfFile = Path.Combine(Parameters.TargetDir,
string.Format(Parameters.PdfTemplate, bound.PageNumber));
if (File.Exists(pdfFile))
{
var tempPdfFile =
Path.Combine(Parameters.TargetDir,
Path.ChangeExtension(Path.GetFileName(pdfFile), ".pdf-temp"));
using (var reader = new PdfReader(pdfFile))
{
var pageRect = reader.GetPageSize(1);
var pageBounds = doc.Pages.Where(p =>
p.PageNumber == bound.PageNumber).FirstOrDefault();
if (pageBounds != null)
{
var rect =
doc.CreateRectangle(pageBounds, bound, pageRect);
using (var stamper = new
PdfStamper(reader, new FileStream(tempPdfFile, FileMode.OpenOrCreate)))
{
PdfAnnotation annotation =
PdfAnnotation.CreateLink(stamper.Writer, rect,
PdfAnnotation.HIGHLIGHT_OUTLINE, new PdfAction(doc.AnnotationPath));
stamper.AddAnnotation(annotation,
1);
stamper.Close();
}
}
}
File.Replace(tempPdfFile, pdfFile, null);
}
}
}
}
The merging part is:
var list = Directory.EnumerateFiles(Parameters.TargetDir,
"*.pdf").ToList();
var outPdfFile = Path.Combine(Parameters.TargetDir,
string.Format("{0}.pdf", Parameters.ProductName));
var tempPdfFile = Path.Combine(Parameters.TargetDir,
string.Format("{0}.pdf-temp", Parameters.ProductName));
using (Stream outputPdfStream = new FileStream(tempPdfFile,
FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader;
var document = new iTextSharp.text.Document();
var copy = new PdfSmartCopy(document, outputPdfStream);
document.Open();
foreach (var pdfFileName in list)
{
reader = new PdfReader(pdfFileName);
var n = reader.NumberOfPages;
for (int page = 0; page < n; )
{
var p = copy.GetImportedPage(reader, ++page);
copy.AddPage(p);
}
}
document.Close();
}
File.Move(tempPdfFile, outPdfFile);
return outPdfFile;
When I try to run the merging after the annotating, I got an exception on
copy.GetImportedPage(). The p.Duplicate has a "Content can not be added to a
PdfImportedPage" exception.
So, do I need to make the merging somehow differently? Can the annotating
and the merging be done in one step?
I am using the 5.3.5.0 of the library (for .NET).
Thanx
Manos
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