public virtual iText.Kernel.Pdf.PdfPage AddAnnotation(int index, PdfAnnotation annotation, bool tagAnnotation
)
{
if (GetDocument().IsTagged() && tagAnnotation)
{
TagTreePointer tagPointer = GetDocument().GetTagStructureContext().GetAutoTaggingPointer();
iText.Kernel.Pdf.PdfPage prevPage = tagPointer.GetCurrentPage();
// TODO what about if current tagging stream is set
tagPointer.SetPageForTagging(this).AddAnnotationTag(annotation);
if (prevPage != null)
{
tagPointer.SetPageForTagging(prevPage);
}
}
PdfArray annots = GetAnnots(true);
if (index == -1)
{
annots.Add(annotation.SetPage(this).GetPdfObject());
}
else
{
annots.Add(index, annotation.SetPage(this).GetPdfObject());
}
if (annots.GetIndirectReference() == null)
{
SetModified();
}
return(this);
}
/// <summary>Copies page to the specified document.</summary>
/// <remarks>
/// Copies page to the specified document.
/// <br/><br/>
/// NOTE: Works only for pages from the document opened in reading mode, otherwise an exception is thrown.
/// </remarks>
/// <param name="toDocument">a document to copy page to.</param>
/// <param name="copier">a copier which bears a specific copy logic. May be NULL</param>
/// <returns>copied page.</returns>
public virtual iText.Kernel.Pdf.PdfPage CopyTo(PdfDocument toDocument, IPdfPageExtraCopier copier)
{
PdfDictionary dictionary = GetPdfObject().CopyTo(toDocument, excludedKeys, true);
iText.Kernel.Pdf.PdfPage page = new iText.Kernel.Pdf.PdfPage(dictionary);
CopyInheritedProperties(page, toDocument);
foreach (PdfAnnotation annot in GetAnnotations())
{
if (annot.GetSubtype().Equals(PdfName.Link))
{
GetDocument().StoreLinkAnnotation(this, (PdfLinkAnnotation)annot);
}
else
{
page.AddAnnotation(-1, PdfAnnotation.MakeAnnotation(((PdfDictionary)annot.GetPdfObject().CopyTo(toDocument
, false))), false);
}
}
if (toDocument.IsTagged())
{
page.structParents = (int)toDocument.GetNextStructParentIndex();
page.GetPdfObject().Put(PdfName.StructParents, new PdfNumber(page.structParents));
}
if (copier != null)
{
copier.Copy(this, page);
}
else
{
if (!toDocument.GetWriter().isUserWarnedAboutAcroFormCopying&& GetDocument().GetCatalog().GetPdfObject().
ContainsKey(PdfName.AcroForm))
{
ILogger logger = LoggerFactory.GetLogger(typeof(iText.Kernel.Pdf.PdfPage));
logger.Warn(LogMessageConstant.SOURCE_DOCUMENT_HAS_ACROFORM_DICTIONARY);
toDocument.GetWriter().isUserWarnedAboutAcroFormCopying = true;
}
}
return(page);
}
private void CopyInheritedProperties(iText.Kernel.Pdf.PdfPage copyPdfPage, PdfDocument pdfDocument)
{
if (copyPdfPage.GetPdfObject().Get(PdfName.Resources) == null)
{
PdfObject copyResource = pdfDocument.GetWriter().CopyObject(GetResources().GetPdfObject(), pdfDocument, false
);
copyPdfPage.GetPdfObject().Put(PdfName.Resources, copyResource);
}
if (copyPdfPage.GetPdfObject().Get(PdfName.MediaBox) == null)
{
copyPdfPage.SetMediaBox(GetMediaBox());
}
if (copyPdfPage.GetPdfObject().Get(PdfName.CropBox) == null)
{
InitParentPages();
PdfArray cropBox = (PdfArray)GetParentValue(parentPages, PdfName.CropBox);
if (cropBox != null)
{
copyPdfPage.SetCropBox(cropBox.ToRectangle());
}
}
}
