internal static PDFDictionary Copy(PDFDictionary dict)
{
PDFDictionary newDict = new PDFDictionary();
newDict.AddItem("Type", new PDFName("Page"));
string[] keys = { "LastModified", "Rotate", "Dur", "Metadata", "ID", "PZ", "Tabs", "UserUnit" };
for (int i = 0; i < keys.Length; ++i)
{
IPDFObject obj = dict[keys[i]];
if (obj != null)
{
newDict.AddItem(keys[i], obj.Clone());
}
}
PDFDictionary resources = dict["Resources"] as PDFDictionary;
if (resources != null)
{
newDict.AddItem("Resources", ResourcesBase.Copy(resources));
}
string[] boxes = { "MediaBox", "CropBox", "BleedBox", "TrimBox", "ArtBox" };
for (int i = 0; i < boxes.Length; ++i)
{
PDFArray bbox = dict[boxes[i]] as PDFArray;
if (bbox != null)
{
PDFArray newBbox = new PDFArray();
for (int j = 0; j < bbox.Count; ++j)
{
PDFNumber num = bbox[j] as PDFNumber;
newBbox.AddItem(num.Clone());
}
newDict.AddItem(boxes[i], newBbox);
}
}
PDFDictionary boxColorInfo = dict["BoxColorInfo"] as PDFDictionary;
if (boxColorInfo != null)
{
newDict.AddItem("BoxColorInfo", BoxColorInfoBase.Copy(boxColorInfo));
}
IPDFObject contents = dict["Contents"];
if (contents != null)
{
IPDFObject newContents = null;
if (contents is PDFDictionaryStream)
{
newContents = contents.Clone();
}
else if (contents is PDFArray)
{
newContents = new PDFArray();
for (int i = 0; i < (contents as PDFArray).Count; ++i)
{
PDFDictionaryStream contentsItem = (contents as PDFArray)[i] as PDFDictionaryStream;
if (contentsItem != null)
{
(newContents as PDFArray).AddItem(contentsItem.Clone());
}
}
}
newDict.AddItem("Contents", newContents);
}
PDFDictionary group = dict["Group"] as PDFDictionary;
if (group != null)
{
newDict.AddItem("Group", GroupBase.Copy(group));
}
PDFDictionaryStream thumb = dict["Thumb"] as PDFDictionaryStream;
if (thumb != null)
{
newDict.AddItem("Thumb", thumb);
}
PDFDictionary trans = dict["Trans"] as PDFDictionary;
if (trans != null)
{
newDict.AddItem("Trans", TransitionBase.Copy(trans));
}
// Parent, B, StructParents - do not
// Annots, AA - need set after adding page
// PieceInfo, SeparationInfo, TemplateInstantiated, PresSteps, VP - still unknown
return(newDict);
}
