public override void AfterClone(
Cloner cloner,
PdfObject clone,
PdfObject source
)
{
/*
* 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 bool Matches(
Cloner cloner,
PdfObject source
)
{
if (source is PdfArray)
{
PdfArray array = (PdfArray)source;
if (array.Count > 0)
{
PdfDataObject arrayItem = array.Resolve(0);
if (arrayItem is PdfDictionary)
{
PdfDictionary arrayItemDictionary = (PdfDictionary)arrayItem;
return(arrayItemDictionary.ContainsKey(PdfName.Subtype) &&
arrayItemDictionary.ContainsKey(PdfName.Rect));
}
}
}
return(false);
}
/**
* <summary>Gets the given node's children.</summary>
* <param name="node">Parent node.</param>
* <param name="pairs">Pairs key.</param>
*/
public static Children Get(
PdfDictionary node,
PdfName pairsKey
)
{
PdfName childrenTypeName;
if (node.ContainsKey(PdfName.Kids))
{
childrenTypeName = PdfName.Kids;
}
else if (node.ContainsKey(pairsKey))
{
childrenTypeName = pairsKey;
}
else
{
throw new Exception("Malformed tree node.");
}
return(new Children(node, childrenTypeName));
}
public override void AfterClone(
Cloner cloner,
PdfArray source,
PdfArray clone,
int index,
PdfDirectObject item
)
{
PdfDictionary annotation = (PdfDictionary)item.Resolve();
if (annotation.ContainsKey(PdfName.FT))
{
cloner.context.Document.Form.Fields.Add(Field.Wrap(annotation.Reference));
}
else if (annotation.ContainsKey(PdfName.Dest))
{
PdfDirectObject destObject = annotation[PdfName.Dest];
if (destObject is PdfString) // Named destination.
{
CloneNamedObject <Destination>(cloner, source, (PdfString)destObject);
}
}
}
public override void AfterClone(
Cloner cloner,
PdfArray parent,
int index,
PdfDirectObject item
)
{
PdfDictionary annotation = (PdfDictionary)item.Resolve();
if (annotation.ContainsKey(PdfName.FT))
{
cloner.context.Document.Form.Fields.Add(Field.Wrap(annotation.Reference));
}
}