Hi Users,
I am trying to populate the modeltree in a pdf document by appending marked
content identifiers in content stream of a pdfpage, but am unable to do so.
Can someone please let me know what all needs to be done to enable
modeltree feature in pdf.
I have appended my sample code.
pPage->GetObject()->GetDictionary().AddKey("StructParents",id1);
PdfNamesTree *namestree = dev->getPdfDocument()->GetNamesTree();
catalog = dev->getPdfDocument()->GetCatalog();
PdfPainter painter;
PdfRect pagesize = pPage->GetPageSize();
double pageheight = pagesize.GetHeight();
painter.MoveTo(400,200);
painter.LineTo(400,500);
painter.Stroke();
PdfObject *contents = pPage->GetContentsForAppending();
PdfStream *paintercanvas = contents->GetStream();
paintercanvas->Append("/Component <</MCID 0>>");
paintercanvas->Append("\nBDC\n");
painter.DrawText(0,pageheight-8,"This is it");
paintercanvas->Append("EMC\n");
PdfObject *markinfo = vecobj->CreateObject();
markinfo->GetDictionary().AddKey("Marked",PdfVariant(true));
markinfo->GetDictionary().AddKey("UserProperties",PdfVariant(true));
PdfObject *objr2 = vecobj->CreateObject("MCR");
objr2->GetDictionary().AddKey("Type",PdfName("MCR"));
objr2->GetDictionary().AddKey("Pg",pPage->GetObject()->Reference());
objr2->GetDictionary().AddKey("MCID",id1);
PdfObject *structelemdict = vecobj->CreateObject();
PdfObject *structelemdict2 = vecobj->CreateObject();
PdfArray parenttreearr;
parenttreearr.push_back(id1);
parenttreearr.push_back(structelemdict->Reference());
PdfObject *parenttree = vecobj->CreateObject();
parenttree->GetDictionary().AddKey("Nums",parenttreearr);
PdfObject *dict1 = vecobj->CreateObject("StructTreeRoot");
dict1->GetDictionary().AddKey("Type",PdfName("StructTreeRoot"));
dict1->GetDictionary().AddKey("K",structelemdict->Reference());
dict1->GetDictionary().AddKey("ParentTree",parenttree->Reference());
structelemdict2->GetDictionary().AddKey("S",PdfName("Component"));
structelemdict2->GetDictionary().AddKey("K",objr2->Reference());
structelemdict2->GetDictionary().AddKey("P",structelemdict->Reference());
structelemdict2->GetDictionary().AddKey("Pg",pPage->GetObject()->Reference());
structelemdict->GetDictionary().AddKey("S",id1);
structelemdict->GetDictionary().AddKey("K",structelemdict2->Reference());
structelemdict->GetDictionary().AddKey("P",dict1->Reference());
catalog->GetDictionary().AddKey("StructTreeRoot",dict1->Reference());
catalog->GetDictionary().AddKey("MarkInfo",markinfo->Reference());
Regards
Shubham Jain
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