PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Thu Apr 21, 2016 7:05 pm 
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Joined: Thu Apr 21, 2016 6:37 pm
Posts: 1
I use PDFSharp to combine multiple PDF's into a single one. Some of our PDF's have iref's, so I updated to 1.5 beta3b. Our irefs work now (yay!) but the fillable fields in other PDF's no longer pass through unchanged -- their shape is there, but their fill-ability is gone.

I've attached the sample-pdfs.zip, which contains the input file used, the good 1.32 output PDF, and the bad 1.5 beta3b output PDF.

Here's my code used to generate the outputs:

Code:
[TestCase("input.pdf")]
public void Test(string fileCsv) {
   var files = fileCsv.Split(',');
   var mainDoc = new PdfDocument();
   foreach (var file in files) {
      var fullPath = Path.Combine(@"..\..\Pdfs", file);
      var toAppend = PdfReader.Open(fullPath, PdfDocumentOpenMode.Import);
      foreach (PdfPage page in toAppend.Pages) {
         mainDoc.AddPage(page);
      }
   }
   mainDoc.Save(@"..\..\Pdfs\combine-" + fileCsv);
}


If you can point me in the right general direction on the github source, with a bit of narrative of what may have changed, I'd be glad to see what I can do with it. Or if we can hire you for a few hours to fix it, that might be an option, too.

Thanks!
Jason


Attachments:
sample-pdfs.zip [28.16 KiB]
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PostPosted: Mon Nov 28, 2016 5:09 pm 
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Joined: Tue Nov 15, 2016 3:58 pm
Posts: 6
Hey, not sure if this has been addressed, but annotations are missing from the bad pdf. It looks like the annotations are not being copied over. I have not looked into the reason why this may be.

Code:
        PdfPage ImportExternalPage(PdfPage importPage)
        {
            if (importPage.Owner._openMode != PdfDocumentOpenMode.Import)
                throw new InvalidOperationException("A PDF document must be opened with PdfDocumentOpenMode.Import to import pages from it.");

            PdfPage page = new PdfPage(_document);

            // ReSharper disable AccessToStaticMemberViaDerivedType for a better code readability.
            CloneElement(page, importPage, PdfPage.Keys.Resources, false);
            CloneElement(page, importPage, PdfPage.Keys.Contents, false);
            CloneElement(page, importPage, PdfPage.Keys.MediaBox, true);
            CloneElement(page, importPage, PdfPage.Keys.CropBox, true);
            CloneElement(page, importPage, PdfPage.Keys.Rotate, true);
            CloneElement(page, importPage, PdfPage.Keys.BleedBox, true);
            CloneElement(page, importPage, PdfPage.Keys.TrimBox, true);
            CloneElement(page, importPage, PdfPage.Keys.ArtBox, true);
#if true
            // Do not deep copy annotations.
            //CloneElement(page, importPage, PdfPage.Keys.Annots, false);
#else
            // Deep copy annotations.
            CloneElement(page, importPage, PdfPage.Keys.Annots, true);
#endif
            // ReSharper restore AccessToStaticMemberViaDerivedType
            // TODO more elements?
            return page;
        }


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