/// <summary>Create PdfPages tree.</summary>
/// <param name="pdfCatalog">
///
/// <seealso>PdfCatalog</seealso>
/// </param>
public PdfPagesTree(PdfCatalog pdfCatalog)
{
this.document = pdfCatalog.GetDocument();
this.pageRefs = new List <PdfDictionary>();
this.parents = new List <PdfPages>();
this.pages = new List <PdfPage>();
if (pdfCatalog.GetPdfObject().ContainsKey(PdfName.Pages))
{
PdfDictionary pages = pdfCatalog.GetPdfObject().GetAsDictionary(PdfName.Pages);
if (pages == null)
{
throw new PdfException(PdfException.InvalidPageStructurePagesPagesMustBePdfDictionary);
}
this.root = new PdfPages(0, int.MaxValue, pages, null);
parents.Add(this.root);
for (int i = 0; i < this.root.GetCount(); i++)
{
this.pageRefs.Add(null);
this.pages.Add(null);
}
}
else
{
this.root = null;
this.parents.Add(new PdfPages(0, this.document));
}
}
/// <summary>Creates the NumberTree of current Document</summary>
/// <param name="catalog">Document catalog</param>
/// <param name="treeType">the type of tree. ParentTree or PageLabels.</param>
public PdfNumTree(PdfCatalog catalog, PdfName treeType)
{
this.treeType = treeType;
this.catalog = catalog;
}
/// <summary>Creates the NameTree of current Document</summary>
/// <param name="catalog">Document catalog</param>
/// <param name="treeType">the type of tree. Dests Tree, AP Tree etc.</param>
public PdfNameTree(PdfCatalog catalog, PdfName treeType)
{
this.treeType = treeType;
this.catalog = catalog;
items = GetNames();
}