public virtual void CopyObject3()
{
{
FileStream fos1 = new FileStream(destinationFolder + "copyObject3_1.pdf", FileMode.Create);
PdfWriter writer1 = new PdfWriter(fos1);
PdfDocument pdfDoc1 = new PdfDocument(writer1);
PdfPage page1 = pdfDoc1.AddNewPage();
page1.Flush();
PdfDictionary catalog1 = pdfDoc1.GetCatalog().GetPdfObject();
PdfArray arr1 = ((PdfArray) new PdfArray().MakeIndirect(pdfDoc1));
PdfArray arr2 = ((PdfArray) new PdfArray().MakeIndirect(pdfDoc1));
arr1.Add(arr2);
PdfDictionary dic1 = ((PdfDictionary) new PdfDictionary().MakeIndirect(pdfDoc1));
arr2.Add(dic1);
PdfDictionary dic2 = ((PdfDictionary) new PdfDictionary().MakeIndirect(pdfDoc1));
dic1.Put(new PdfName("dic2"), dic2);
PdfName arr1Name = new PdfName("arr1");
dic2.Put(arr1Name, arr1);
catalog1.Put(arr1Name, arr1);
pdfDoc1.Close();
PdfDocument pdfDoc1R = new PdfDocument(new PdfReader(destinationFolder + "copyObject3_1.pdf"));
arr1 = (PdfArray)pdfDoc1R.GetCatalog().GetPdfObject().Get(arr1Name);
FileStream fos2 = new FileStream(destinationFolder + "copyObject3_2.pdf", FileMode.Create);
PdfWriter writer2 = new PdfWriter(fos2);
PdfDocument pdfDoc2 = new PdfDocument(writer2);
PdfPage page2 = pdfDoc2.AddNewPage();
page2.Flush();
PdfDictionary catalog2 = pdfDoc2.GetCatalog().GetPdfObject();
catalog2.Put(arr1Name, ((PdfArray)arr1.CopyTo(pdfDoc2)));
pdfDoc1R.Close();
pdfDoc2.Close();
}
{
PdfReader reader = new PdfReader(destinationFolder + "copyObject3_2.pdf");
PdfDocument pdfDocument = new PdfDocument(reader);
NUnit.Framework.Assert.AreEqual(false, reader.HasRebuiltXref(), "Rebuilt");
PdfDictionary catalog = pdfDocument.GetCatalog().GetPdfObject();
PdfArray arr1 = catalog.GetAsArray(new PdfName("arr1"));
PdfArray arr2 = arr1.GetAsArray(0);
PdfDictionary dic1 = arr2.GetAsDictionary(0);
PdfDictionary dic2 = dic1.GetAsDictionary(new PdfName("dic2"));
NUnit.Framework.Assert.AreEqual(arr1, dic2.GetAsArray(new PdfName("arr1")));
reader.Close();
}
}
private static bool OrderBranchContainsSetElements(PdfObject arrayObj, PdfArray array, int currentIndex, ICollection
<PdfIndirectReference> ocgs, PdfArray toOcgs, PdfDocument toDocument) {
if (arrayObj.IsDictionary()) {
if (ocgs.Contains(arrayObj.GetIndirectReference())) {
return true;
}
else {
if (currentIndex < (array.Size() - 1) && array.Get(currentIndex + 1).IsArray()) {
PdfArray nextArray = array.GetAsArray(currentIndex + 1);
if (!nextArray.Get(0).IsString()) {
bool result = iText.Kernel.Pdf.OcgPropertiesCopier.OrderBranchContainsSetElements(nextArray, array, currentIndex
+ 1, ocgs, toOcgs, toDocument);
if (result && toOcgs != null && !ocgs.Contains(arrayObj.GetIndirectReference())) {
// Add the OCG to the OCGs array to register the OCG in document, since it is not used
// directly in the document, but is used as a parent for the order group. If it is not added
// to the OCGs array, then the OCG will be deleted at the 3rd stage of the /Order entry coping.
toOcgs.Add(arrayObj.CopyTo(toDocument, false));
}
return result;
}
}
}
}
else {
if (arrayObj.IsArray()) {
PdfArray arrayItem = (PdfArray)arrayObj;
for (int i = 0; i < arrayItem.Size(); i++) {
PdfObject obj = arrayItem.Get(i);
if (iText.Kernel.Pdf.OcgPropertiesCopier.OrderBranchContainsSetElements(obj, arrayItem, i, ocgs, toOcgs, toDocument
)) {
return true;
}
}
if (!arrayItem.IsEmpty() && !arrayItem.Get(0).IsString()) {
if (currentIndex > 0 && array.Get(currentIndex - 1).IsDictionary()) {
PdfDictionary previousDict = (PdfDictionary)array.Get(currentIndex - 1);
return ocgs.Contains(previousDict.GetIndirectReference());
}
}
}
}
return false;
}
