protected internal static void MarkObjectAsIndirect(PdfObject pdfObject)
{
if (pdfObject.GetIndirectReference() == null)
{
pdfObject.SetState(PdfObject.MUST_BE_INDIRECT);
}
}
/// <summary>Creates clone of the object which belongs to the same document as original object.</summary>
/// <remarks>
/// Creates clone of the object which belongs to the same document as original object.
/// New object shall not be used in other documents.
/// </remarks>
/// <returns>cloned object.</returns>
public virtual PdfObject Clone()
{
PdfObject newObject = NewInstance();
if (indirectReference != null || CheckState(MUST_BE_INDIRECT))
{
newObject.SetState(MUST_BE_INDIRECT);
}
newObject.CopyContent(this, null);
return(newObject);
}
private void MarkObjectToFlush(PdfObject pdfObject)
{
if (pdfObject != null)
{
PdfIndirectReference indirectReference = pdfObject.GetIndirectReference();
if (indirectReference != null)
{
if (!indirectReference.CheckState(PdfObject.FLUSHED))
{
indirectReference.SetState(PdfObject.MUST_BE_FLUSHED);
}
}
else
{
if (pdfObject.GetObjectType() == PdfObject.INDIRECT_REFERENCE)
{
if (!pdfObject.CheckState(PdfObject.FLUSHED))
{
pdfObject.SetState(PdfObject.MUST_BE_FLUSHED);
}
}
else
{
if (pdfObject.GetObjectType() == PdfObject.ARRAY)
{
MarkArrayContentToFlush((PdfArray)pdfObject);
}
else
{
if (pdfObject.GetObjectType() == PdfObject.DICTIONARY)
{
MarkDictionaryContentToFlush((PdfDictionary)pdfObject);
}
}
}
}
}
}
