/**
<summary>Creates a deep copy of this object using the specified cloner.</summary>
*/
public virtual PdfObject Clone(
Cloner cloner
)
{
return Accept(cloner, null);
}
/**
<summary>Gets a clone of the object, registered using the specified object cloner.</summary>
*/
public virtual object Clone(
Cloner cloner
)
{
PdfObjectWrapper clone = (PdfObjectWrapper)base.MemberwiseClone();
clone.BaseObject = (PdfDirectObject)BaseObject.Clone(cloner);
return clone;
}
public override bool BeforeClone(
Cloner cloner,
PdfDictionary parent,
PdfName key,
PdfDirectObject value
)
{
return !PdfName.Parent.Equals(key);
}
public override bool Matches(
Cloner cloner,
PdfObject obj
)
{
return obj is PdfDictionary
&& PdfName.Page.Equals(((PdfDictionary)obj)[PdfName.Type]);
}
public override bool Matches(
Cloner cloner,
PdfObject obj
)
{
if(obj is PdfArray)
{
PdfArray array = (PdfArray)obj;
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;
}
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);}
}
}
}
/**
<summary>Gets whether this filter can deal with the given object.</summary>
<param name="cloner">Object cloner.</param>
<param name="source">Source object.</param>
*/
public virtual bool Matches(
Cloner cloner,
PdfObject source
)
{
return true;
}
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));}
}
/**
<summary>Notifies a starting clone operation on an array item.</summary>
<param name="cloner">Object cloner.</param>
<param name="parent">Parent clone object.</param>
<param name="index">Item index within the parent.</param>
<param name="item">Source item.</param>
<returns>Whether the clone operation can be fulfilled.</returns>
*/
public virtual bool BeforeClone(
Cloner cloner,
PdfArray parent,
int index,
PdfDirectObject item
)
{
return true;
}
/**
<summary>Notifies a starting clone operation on a dictionary entry.</summary>
<param name="cloner">Object cloner.</param>
<param name="parent">Parent clone object.</param>
<param name="key">Entry key within the parent.</param>
<param name="value">Source value.</param>
<returns>Whether the clone operation can be fulfilled.</returns>
*/
public virtual bool BeforeClone(
Cloner cloner,
PdfDictionary parent,
PdfName key,
PdfDirectObject value
)
{
return true;
}
/**
<summary>Notifies a complete clone operation on an array item.</summary>
<param name="cloner">Object cloner.</param>
<param name="parent">Parent clone object.</param>
<param name="index">Item index within the parent.</param>
<param name="item">Clone item.</param>
*/
public virtual void AfterClone(
Cloner cloner,
PdfArray parent,
int index,
PdfDirectObject item
)
{
/* NOOP */
}
/**
<summary>Notifies a complete clone operation on a dictionary entry.</summary>
<param name="cloner">Object cloner.</param>
<param name="parent">Parent clone object.</param>
<param name="key">Entry key within the parent.</param>
<param name="value">Clone value.</param>
*/
public virtual void AfterClone(
Cloner cloner,
PdfDictionary parent,
PdfName key,
PdfDirectObject value
)
{
/* NOOP */
}
/**
<summary>Notifies a complete clone operation on an object.</summary>
<param name="cloner">Object cloner.</param>
<param name="clone">Clone object.</param>
<param name="source">Source object.</param>
*/
public virtual void AfterClone(
Cloner cloner,
PdfObject clone,
PdfObject source
)
{
/* NOOP */
}
