private void Write(PdfIndirectReference indirectReference)
{
if (document != null && !indirectReference.GetDocument().Equals(document))
{
throw new PdfException(PdfException.PdfIndirectObjectBelongsToOtherPdfDocument);
}
if (indirectReference.IsFree())
{
ILog logger = LogManager.GetLogger(typeof(iText.Kernel.Pdf.PdfOutputStream));
logger.Error(iText.IO.LogMessageConstant.FLUSHED_OBJECT_CONTAINS_FREE_REFERENCE);
Write(PdfNull.PDF_NULL);
}
else
{
if (indirectReference.GetRefersTo() == null)
{
ILog logger = LogManager.GetLogger(typeof(iText.Kernel.Pdf.PdfOutputStream));
logger.Error(iText.IO.LogMessageConstant.FLUSHED_OBJECT_CONTAINS_REFERENCE_WHICH_NOT_REFER_TO_ANY_OBJECT);
Write(PdfNull.PDF_NULL);
}
else
{
if (indirectReference.GetGenNumber() == 0)
{
WriteInteger(indirectReference.GetObjNumber()).WriteBytes(endIndirectWithZeroGenNr);
}
else
{
WriteInteger(indirectReference.GetObjNumber()).WriteSpace().WriteInteger(indirectReference.GetGenNumber())
.WriteBytes(endIndirect);
}
}
}
}
public virtual SerializedObjectContent SerializeObject(PdfObject obj)
{
if (!obj.IsStream() && !obj.IsDictionary())
{
return(null);
}
PdfIndirectReference indRef = obj.GetIndirectReference();
System.Diagnostics.Debug.Assert(indRef != null);
IDictionary <PdfIndirectReference, byte[]> serializedCache = indRef.GetDocument().serializedObjectsCache;
byte[] content = serializedCache.Get(indRef);
if (content == null)
{
ByteBuffer bb = new ByteBuffer();
int level = 100;
try {
SerObject(obj, bb, level, serializedCache);
}
catch (SmartModePdfObjectsSerializer.SelfReferenceException) {
return(null);
}
content = bb.ToByteArray();
}
return(new SerializedObjectContent(content));
}
/// <summary>Calculates hash code for the indirect reference taking into account the document it belongs to.</summary>
/// <param name="indRef">object to be hashed.</param>
/// <returns>calculated hash code.</returns>
protected internal static int CalculateIndRefKey(PdfIndirectReference indRef)
{
int result = indRef.GetHashCode();
result = 31 * result + indRef.GetDocument().GetHashCode();
return(result);
}
private void Write(PdfIndirectReference indirectReference)
{
if (document != null && !indirectReference.GetDocument().Equals(document))
{
throw new PdfException(PdfException.PdfInderectObjectBelongToOtherPdfDocument);
}
if (indirectReference.GetRefersTo() == null)
{
Write(PdfNull.PDF_NULL);
}
else
{
if (indirectReference.GetGenNumber() == 0)
{
WriteInteger(indirectReference.GetObjNumber()).WriteBytes(endIndirectWithZeroGenNr);
}
else
{
WriteInteger(indirectReference.GetObjNumber()).WriteSpace().WriteInteger(indirectReference.GetGenNumber())
.WriteBytes(endIndirect);
}
}
}
