private static void CopyTo(PdfDocument destDocument, IDictionary<PdfPage, PdfPage> page2page, PdfDocument
callingDocument, bool copyFromDestDocument, int insertIndex) {
StructureTreeCopier.CopyStructureResult copiedStructure = CopyStructure(destDocument, page2page, callingDocument
, copyFromDestDocument);
PdfStructTreeRoot destStructTreeRoot = destDocument.GetStructTreeRoot();
destStructTreeRoot.MakeIndirect(destDocument);
foreach (PdfDictionary copied in copiedStructure.GetTopsList()) {
destStructTreeRoot.AddKidObject(insertIndex, copied);
if (insertIndex > -1) {
++insertIndex;
}
}
if (!copyFromDestDocument) {
if (!copiedStructure.GetCopiedNamespaces().IsEmpty()) {
destStructTreeRoot.GetNamespacesObject().AddAll(copiedStructure.GetCopiedNamespaces());
}
PdfDictionary srcRoleMap = callingDocument.GetStructTreeRoot().GetRoleMap();
PdfDictionary destRoleMap = destStructTreeRoot.GetRoleMap();
foreach (KeyValuePair<PdfName, PdfObject> mappingEntry in srcRoleMap.EntrySet()) {
if (!destRoleMap.ContainsKey(mappingEntry.Key)) {
destRoleMap.Put(mappingEntry.Key, mappingEntry.Value);
}
else {
if (!mappingEntry.Value.Equals(destRoleMap.Get(mappingEntry.Key))) {
String srcMapping = mappingEntry.Key + " -> " + mappingEntry.Value;
String destMapping = mappingEntry.Key + " -> " + destRoleMap.Get(mappingEntry.Key);
ILog logger = LogManager.GetLogger(typeof(StructureTreeCopier));
logger.Warn(String.Format(iText.IO.LogMessageConstant.ROLE_MAPPING_FROM_SOURCE_IS_NOT_COPIED_ALREADY_EXIST
, srcMapping, destMapping));
}
}
}
}
}
private static StructureTreeCopier.CopyStructureResult CopyStructure(PdfDocument destDocument, IDictionary
<PdfPage, PdfPage> page2page, PdfDocument callingDocument, bool copyFromDestDocument) {
PdfDocument fromDocument = copyFromDestDocument ? destDocument : callingDocument;
IDictionary<PdfDictionary, PdfDictionary> topsToFirstDestPage = new Dictionary<PdfDictionary, PdfDictionary
>();
ICollection<PdfObject> objectsToCopy = new HashSet<PdfObject>();
IDictionary<PdfDictionary, PdfDictionary> page2pageDictionaries = new Dictionary<PdfDictionary, PdfDictionary
>();
foreach (KeyValuePair<PdfPage, PdfPage> page in page2page) {
page2pageDictionaries.Put(page.Key.GetPdfObject(), page.Value.GetPdfObject());
ICollection<PdfMcr> mcrs = fromDocument.GetStructTreeRoot().GetPageMarkedContentReferences(page.Key);
if (mcrs != null) {
foreach (PdfMcr mcr in mcrs) {
if (mcr is PdfMcrDictionary || mcr is PdfObjRef) {
objectsToCopy.Add(mcr.GetPdfObject());
}
PdfDictionary top = AddAllParentsToSet(mcr, objectsToCopy);
if (top != null) {
if (top.IsFlushed()) {
throw new PdfException(PdfException.CannotCopyFlushedTag);
}
if (!topsToFirstDestPage.ContainsKey(top)) {
topsToFirstDestPage.Put(top, page.Value.GetPdfObject());
}
}
}
}
}
IList<PdfDictionary> topsInOriginalOrder = new List<PdfDictionary>();
foreach (IStructureNode kid in fromDocument.GetStructTreeRoot().GetKids()) {
if (kid == null) {
continue;
}
PdfDictionary kidObject = ((PdfStructElem)kid).GetPdfObject();
if (topsToFirstDestPage.ContainsKey(kidObject)) {
topsInOriginalOrder.Add(kidObject);
}
}
StructureTreeCopier.StructElemCopyingParams structElemCopyingParams = new StructureTreeCopier.StructElemCopyingParams
(objectsToCopy, destDocument, page2pageDictionaries, copyFromDestDocument);
PdfStructTreeRoot destStructTreeRoot = destDocument.GetStructTreeRoot();
destStructTreeRoot.MakeIndirect(destDocument);
IList<PdfDictionary> copiedTops = new List<PdfDictionary>();
foreach (PdfDictionary top in topsInOriginalOrder) {
PdfDictionary copied = CopyObject(top, topsToFirstDestPage.Get(top), false, structElemCopyingParams);
copiedTops.Add(copied);
}
return new StructureTreeCopier.CopyStructureResult(copiedTops, structElemCopyingParams.GetCopiedNamespaces
());
}
