public override PdfObject Visit(
PdfArray obj,
object data
)
{
Filter cloneFilter = MatchFilter(obj);
PdfArray clone = (PdfArray)obj.Clone();
{
clone.items = new List <PdfDirectObject>();
IList <PdfDirectObject> sourceItems = obj.items;
for (int index = 0, length = sourceItems.Count; index < length; index++)
{
PdfDirectObject sourceItem = sourceItems[index];
if (cloneFilter.BeforeClone(this, obj, clone, index, sourceItem))
{
PdfDirectObject cloneItem;
clone.Add(cloneItem = (PdfDirectObject)(sourceItem != null ? sourceItem.Accept(this, null) : null));
cloneFilter.AfterClone(this, obj, clone, index, cloneItem);
}
}
}
cloneFilter.AfterClone(this, obj, clone);
return(clone);
}
public override void AfterClone(
Cloner cloner,
PdfObject source,
PdfObject clone
)
{
/*
* NOTE: Inheritable attributes have to be consolidated into the cloned page dictionary in
* order to ensure its consistency.
*/
PdfDictionary cloneDictionary = (PdfDictionary)clone;
PdfDictionary sourceDictionary = (PdfDictionary)source;
foreach (PdfName key in Page.InheritableAttributeKeys)
{
if (!sourceDictionary.ContainsKey(key))
{
PdfDirectObject sourceValue = Page.GetInheritableAttribute(sourceDictionary, key);
if (sourceValue != null)
{
cloneDictionary[key] = (PdfDirectObject)sourceValue.Accept(cloner, null);
}
}
}
}
public override PdfObject Visit(
PdfDictionary obj,
object data
)
{
Filter cloneFilter = MatchFilter(obj);
PdfDictionary clone = (PdfDictionary)obj.Clone();
{
clone.entries = new Dictionary <PdfName, PdfDirectObject>();
foreach (KeyValuePair <PdfName, PdfDirectObject> entry in obj.entries)
{
PdfDirectObject sourceValue = entry.Value;
if (cloneFilter.BeforeClone(this, obj, clone, entry.Key, sourceValue))
{
PdfDirectObject cloneValue;
clone[entry.Key] = cloneValue = (PdfDirectObject)(sourceValue != null ? sourceValue.Accept(this, null) : null);
cloneFilter.AfterClone(this, obj, clone, entry.Key, cloneValue);
}
}
}
cloneFilter.AfterClone(this, obj, clone);
return(clone);
}