public object Clone()
{
PDFDictionary dict = ResourcesBase.Copy(_dictionary);
Resources resources = new Resources(dict, false);
return(resources);
}
internal static PDFDictionaryStream Copy(PDFDictionaryStream dictStream)
{
Stream stream = dictStream.GetStream();
byte[] buf = new byte[stream.Length];
stream.Position = 0;
stream.Read(buf, 0, buf.Length);
MemoryStream newStream = new MemoryStream();
newStream.Write(buf, 0, buf.Length);
PDFDictionary dict = dictStream.Dictionary;
PDFDictionary newDict = new PDFDictionary();
string[] keys = { "Type", "Subtype", "FormType", "BBox", "Matrix", "Ref", "Metadata", "LastModified", "Name" };
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));
}
PDFDictionary group = dict["Group"] as PDFDictionary;
if (group != null)
{
newDict.AddItem("Group", GroupBase.Copy(group));
}
// PieceInfo, OPI, OC - still unknown
// StructParent, StructParents - do not
IPDFObject filter = dict["Filter"];
if (filter != null)
{
newDict.AddItem("Filter", filter.Clone());
}
IPDFObject decodeParms = dict["DecodeParms"];
if (decodeParms != null)
{
newDict.AddItem("DecodeParms", decodeParms.Clone());
}
return(new PDFDictionaryStream(newDict, newStream));
}
