private PdfDocument CreateDocument(PdfWriter writer, bool flushPages)
{
PdfDocument document = new PdfDocument(writer);
PdfPage p1 = document.AddNewPage();
PdfStream str1 = p1.GetFirstContentStream();
str1.GetOutputStream().WriteString("1 0 0 rg 100 600 100 100 re f\n");
if (flushPages)
{
p1.Flush();
}
PdfPage p2 = document.AddNewPage();
PdfStream str2 = p2.GetFirstContentStream();
str2.GetOutputStream().WriteString("0 1 0 rg 100 600 100 100 re f\n");
if (flushPages)
{
p2.Flush();
}
PdfPage p3 = document.AddNewPage();
PdfStream str3 = p3.GetFirstContentStream();
str3.GetOutputStream().WriteString("0 0 1 rg 100 600 100 100 re f\n");
if (flushPages)
{
p3.Flush();
}
return(document);
}
/// <summary>Use this method to set the XMP Metadata for each page.</summary>
/// <param name="xmpMetadata">The xmpMetadata to set.</param>
/// <exception cref="System.IO.IOException"/>
public virtual void SetXmpMetadata(byte[] xmpMetadata)
{
PdfStream xmp = ((PdfStream) new PdfStream().MakeIndirect(GetDocument()));
xmp.GetOutputStream().Write(xmpMetadata);
xmp.Put(PdfName.Type, PdfName.Metadata);
xmp.Put(PdfName.Subtype, PdfName.XML);
GetPdfObject().Put(PdfName.Metadata, xmp);
}
public virtual void CopyObject4()
{
FileStream fos1 = new FileStream(destinationFolder + "copyObject4_1.pdf", FileMode.Create);
PdfWriter writer1 = new PdfWriter(fos1);
PdfDocument pdfDoc1 = new PdfDocument(writer1);
PdfPage page1 = pdfDoc1.AddNewPage();
page1.Flush();
PdfDictionary catalog1 = pdfDoc1.GetCatalog().GetPdfObject();
PdfStream stream1 = ((PdfStream) new PdfStream().MakeIndirect(pdfDoc1));
List <PdfObject> tmpArray = new List <PdfObject>(3);
tmpArray.Add(new PdfNumber(1));
tmpArray.Add(new PdfNumber(2));
tmpArray.Add(new PdfNumber(3));
stream1.GetOutputStream().Write(new PdfArray(tmpArray));
catalog1.Put(new PdfName("stream"), stream1);
pdfDoc1.Close();
PdfDocument pdfDoc1R = new PdfDocument(new PdfReader(destinationFolder + "copyObject4_1.pdf"));
stream1 = (PdfStream)pdfDoc1R.GetCatalog().GetPdfObject().Get(new PdfName("stream"));
FileStream fos2 = new FileStream(destinationFolder + "copyObject4_2.pdf", FileMode.Create);
PdfWriter writer2 = new PdfWriter(fos2);
PdfDocument pdfDoc2 = new PdfDocument(writer2);
PdfPage page2 = pdfDoc2.AddNewPage();
page2.Flush();
PdfDictionary catalog2 = pdfDoc2.GetCatalog().GetPdfObject();
catalog2.Put(new PdfName("stream"), ((PdfStream)stream1.CopyTo(pdfDoc2)));
pdfDoc1R.Close();
pdfDoc2.Close();
PdfReader reader = new PdfReader(destinationFolder + "copyObject4_2.pdf");
PdfDocument pdfDocument = new PdfDocument(reader);
NUnit.Framework.Assert.AreEqual(false, reader.HasRebuiltXref(), "Rebuilt");
PdfDictionary catalog = pdfDocument.GetCatalog().GetPdfObject();
PdfStream stream = (PdfStream)catalog.GetAsStream(new PdfName("stream"));
byte[] bytes = stream.GetBytes();
NUnit.Framework.Assert.AreEqual(ByteUtils.GetIsoBytes("[1 2 3]"), bytes);
reader.Close();
}
private void Write(PdfStream pdfStream)
{
try {
bool userDefinedCompression = pdfStream.GetCompressionLevel() != CompressionConstants.UNDEFINED_COMPRESSION;
if (!userDefinedCompression)
{
int defaultCompressionLevel = document != null?document.GetWriter().GetCompressionLevel() : CompressionConstants
.DEFAULT_COMPRESSION;
pdfStream.SetCompressionLevel(defaultCompressionLevel);
}
bool toCompress = pdfStream.GetCompressionLevel() != CompressionConstants.NO_COMPRESSION;
bool allowCompression = !pdfStream.ContainsKey(PdfName.Filter) && IsNotMetadataPdfStream(pdfStream);
if (pdfStream.GetInputStream() != null)
{
Stream fout = this;
DeflaterOutputStream def = null;
OutputStreamEncryption ose = null;
if (crypto != null && !crypto.IsEmbeddedFilesOnly())
{
fout = ose = crypto.GetEncryptionStream(fout);
}
if (toCompress && (allowCompression || userDefinedCompression))
{
UpdateCompressionFilter(pdfStream);
fout = def = new DeflaterOutputStream(fout, pdfStream.GetCompressionLevel(), 0x8000);
}
this.Write((PdfDictionary)pdfStream);
WriteBytes(iText.Kernel.Pdf.PdfOutputStream.stream);
long beginStreamContent = GetCurrentPos();
byte[] buf = new byte[4192];
while (true)
{
int n = pdfStream.GetInputStream().Read(buf);
if (n <= 0)
{
break;
}
fout.Write(buf, 0, n);
}
if (def != null)
{
def.Finish();
}
if (ose != null)
{
ose.Finish();
}
PdfNumber length = pdfStream.GetAsNumber(PdfName.Length);
length.SetValue((int)(GetCurrentPos() - beginStreamContent));
pdfStream.UpdateLength(length.IntValue());
WriteBytes(iText.Kernel.Pdf.PdfOutputStream.endstream);
}
else
{
//When document is opened in stamping mode the output stream can be uninitialized.
//We have to initialize it and write all data from streams input to streams output.
if (pdfStream.GetOutputStream() == null && pdfStream.GetIndirectReference().GetReader() != null)
{
// If new specific compression is set for stream,
// then compressed stream should be decoded and written with new compression settings
byte[] bytes = pdfStream.GetIndirectReference().GetReader().ReadStreamBytes(pdfStream, false);
if (userDefinedCompression)
{
bytes = DecodeFlateBytes(pdfStream, bytes);
}
pdfStream.InitOutputStream(new ByteArrayOutputStream(bytes.Length));
pdfStream.GetOutputStream().Write(bytes);
}
System.Diagnostics.Debug.Assert(pdfStream.GetOutputStream() != null, "PdfStream lost OutputStream");
ByteArrayOutputStream byteArrayStream;
try {
if (toCompress && !ContainsFlateFilter(pdfStream) && (allowCompression || userDefinedCompression))
{
// compress
UpdateCompressionFilter(pdfStream);
byteArrayStream = new ByteArrayOutputStream();
DeflaterOutputStream zip = new DeflaterOutputStream(byteArrayStream, pdfStream.GetCompressionLevel());
if (pdfStream is PdfObjectStream)
{
PdfObjectStream objectStream = (PdfObjectStream)pdfStream;
((ByteArrayOutputStream)objectStream.GetIndexStream().GetOutputStream()).WriteTo(zip);
((ByteArrayOutputStream)objectStream.GetOutputStream().GetOutputStream()).WriteTo(zip);
}
else
{
System.Diagnostics.Debug.Assert(pdfStream.GetOutputStream() != null, "Error in outputStream");
((ByteArrayOutputStream)pdfStream.GetOutputStream().GetOutputStream()).WriteTo(zip);
}
zip.Finish();
}
else
{
if (pdfStream is PdfObjectStream)
{
PdfObjectStream objectStream = (PdfObjectStream)pdfStream;
byteArrayStream = new ByteArrayOutputStream();
((ByteArrayOutputStream)objectStream.GetIndexStream().GetOutputStream()).WriteTo(byteArrayStream);
((ByteArrayOutputStream)objectStream.GetOutputStream().GetOutputStream()).WriteTo(byteArrayStream);
}
else
{
System.Diagnostics.Debug.Assert(pdfStream.GetOutputStream() != null, "Error in outputStream");
byteArrayStream = (ByteArrayOutputStream)pdfStream.GetOutputStream().GetOutputStream();
}
}
if (CheckEncryption(pdfStream))
{
ByteArrayOutputStream encodedStream = new ByteArrayOutputStream();
OutputStreamEncryption ose = crypto.GetEncryptionStream(encodedStream);
byteArrayStream.WriteTo(ose);
ose.Finish();
byteArrayStream = encodedStream;
}
}
catch (System.IO.IOException ioe) {
throw new PdfException(PdfException.IoException, ioe);
}
pdfStream.Put(PdfName.Length, new PdfNumber(byteArrayStream.Length));
pdfStream.UpdateLength((int)byteArrayStream.Length);
this.Write((PdfDictionary)pdfStream);
WriteBytes(iText.Kernel.Pdf.PdfOutputStream.stream);
byteArrayStream.WriteTo(this);
byteArrayStream.Dispose();
WriteBytes(iText.Kernel.Pdf.PdfOutputStream.endstream);
}
}
catch (System.IO.IOException e) {
throw new PdfException(PdfException.CannotWriteToPdfStream, e, pdfStream);
}
}
/// <summary>Writes cross reference table and trailer to PDF.</summary>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="iText.Kernel.PdfException"/>
protected internal virtual void WriteXrefTableAndTrailer(PdfDocument document, PdfObject fileId, PdfObject
crypto)
{
PdfWriter writer = document.GetWriter();
if (document.IsAppendMode())
{
// Increment generation number for all freed references.
foreach (int?objNr in freeReferences)
{
xref[(int)objNr].genNr++;
}
}
else
{
foreach (int?objNr in freeReferences)
{
xref[(int)objNr] = null;
}
}
freeReferences.Clear();
for (int i = count; i > 0; --i)
{
PdfIndirectReference lastRef = xref[i];
if (lastRef == null || (lastRef.IsFree() && lastRef.GetGenNumber() == 0) || (!lastRef.CheckState(PdfObject
.FLUSHED) && !(document.properties.appendMode && !lastRef.CheckState(PdfObject.MODIFIED))))
{
--count;
}
else
{
break;
}
}
IList <int> sections = new List <int>();
int first = 0;
int len = 1;
if (document.IsAppendMode())
{
first = 1;
len = 0;
}
for (int i_1 = 1; i_1 < Size(); i_1++)
{
PdfIndirectReference reference = xref[i_1];
if (reference != null)
{
if ((document.properties.appendMode && !reference.CheckState(PdfObject.MODIFIED)) || (reference.IsFree() &&
reference.GetGenNumber() == 0) || (!reference.CheckState(PdfObject.FLUSHED)))
{
reference = null;
}
}
if (reference == null)
{
if (len > 0)
{
sections.Add(first);
sections.Add(len);
}
len = 0;
}
else
{
if (len > 0)
{
len++;
}
else
{
first = i_1;
len = 1;
}
}
}
if (len > 0)
{
sections.Add(first);
sections.Add(len);
}
if (document.properties.appendMode && sections.Count == 0)
{
// no modifications.
xref = null;
return;
}
long startxref = writer.GetCurrentPos();
if (writer.IsFullCompression())
{
PdfStream xrefStream = ((PdfStream) new PdfStream().MakeIndirect(document));
xrefStream.MakeIndirect(document);
xrefStream.Put(PdfName.Type, PdfName.XRef);
xrefStream.Put(PdfName.ID, fileId);
if (crypto != null)
{
xrefStream.Put(PdfName.Encrypt, crypto);
}
xrefStream.Put(PdfName.Size, new PdfNumber(this.Size()));
List <PdfObject> tmpArray = new List <PdfObject>(3);
tmpArray.Add(new PdfNumber(1));
tmpArray.Add(new PdfNumber(4));
tmpArray.Add(new PdfNumber(2));
xrefStream.Put(PdfName.W, new PdfArray(tmpArray));
xrefStream.Put(PdfName.Info, document.GetDocumentInfo().GetPdfObject());
xrefStream.Put(PdfName.Root, document.GetCatalog().GetPdfObject());
PdfArray index = new PdfArray();
foreach (int?section in sections)
{
index.Add(new PdfNumber((int)section));
}
if (document.properties.appendMode)
{
PdfNumber lastXref = new PdfNumber(document.reader.GetLastXref());
xrefStream.Put(PdfName.Prev, lastXref);
}
xrefStream.Put(PdfName.Index, index);
iText.Kernel.Pdf.PdfXrefTable xrefTable = document.GetXref();
for (int k = 0; k < sections.Count; k += 2)
{
first = (int)sections[k];
len = (int)sections[k + 1];
for (int i_2 = first; i_2 < first + len; i_2++)
{
PdfIndirectReference reference = xrefTable.Get(i_2);
if (reference == null)
{
continue;
}
if (reference.IsFree())
{
xrefStream.GetOutputStream().Write(0);
//NOTE The object number of the next free object should be at this position due to spec.
xrefStream.GetOutputStream().Write(IntToBytes(0));
xrefStream.GetOutputStream().Write(ShortToBytes(reference.GetGenNumber()));
}
else
{
if (reference.GetObjStreamNumber() == 0)
{
xrefStream.GetOutputStream().Write(1);
System.Diagnostics.Debug.Assert(reference.GetOffset() < int.MaxValue);
xrefStream.GetOutputStream().Write(IntToBytes((int)reference.GetOffset()));
xrefStream.GetOutputStream().Write(ShortToBytes(reference.GetGenNumber()));
}
else
{
xrefStream.GetOutputStream().Write(2);
xrefStream.GetOutputStream().Write(IntToBytes(reference.GetObjStreamNumber()));
xrefStream.GetOutputStream().Write(ShortToBytes(reference.GetIndex()));
}
}
}
}
xrefStream.Flush();
}
else
{
writer.WriteString("xref\n");
iText.Kernel.Pdf.PdfXrefTable xrefTable = document.GetXref();
for (int k = 0; k < sections.Count; k += 2)
{
first = (int)sections[k];
len = (int)sections[k + 1];
writer.WriteInteger(first).WriteSpace().WriteInteger(len).WriteByte((byte)'\n');
for (int i_2 = first; i_2 < first + len; i_2++)
{
PdfIndirectReference reference = xrefTable.Get(i_2);
writer.WriteString(DecimalFormatUtil.FormatNumber(reference.GetOffset(), objectOffsetFormatter)).WriteSpace
().WriteString(DecimalFormatUtil.FormatNumber(reference.GetGenNumber(), objectGenerationFormatter)).WriteSpace
();
if (reference.IsFree())
{
writer.WriteBytes(freeXRefEntry);
}
else
{
writer.WriteBytes(inUseXRefEntry);
}
}
}
PdfDictionary trailer = document.GetTrailer();
// Remove all unused keys in case stamp mode in case original file has full compression, but destination file has not.
trailer.Remove(PdfName.W);
trailer.Remove(PdfName.Index);
trailer.Remove(PdfName.Type);
trailer.Remove(PdfName.Length);
trailer.Put(PdfName.Size, new PdfNumber(this.Size()));
trailer.Put(PdfName.ID, fileId);
if (crypto != null)
{
trailer.Put(PdfName.Encrypt, crypto);
}
writer.WriteString("trailer\n");
if (document.properties.appendMode)
{
PdfNumber lastXref = new PdfNumber(document.reader.GetLastXref());
trailer.Put(PdfName.Prev, lastXref);
}
writer.Write(document.GetTrailer());
writer.Write('\n');
}
WriteKeyInfo(writer);
writer.WriteString("startxref\n").WriteLong(startxref).WriteString("\n%%EOF\n");
xref = null;
}
/// <summary>Writes cross reference table and trailer to PDF.</summary>
protected internal virtual void WriteXrefTableAndTrailer(PdfDocument document, PdfObject fileId, PdfObject
crypto)
{
PdfWriter writer = document.GetWriter();
if (!document.properties.appendMode)
{
for (int i = count; i > 0; --i)
{
PdfIndirectReference lastRef = xref[i];
if (lastRef == null || lastRef.IsFree())
{
RemoveFreeRefFromList(i);
--count;
}
else
{
break;
}
}
}
IList <int> sections = CreateSections(document, false);
if (document.properties.appendMode && sections.Count == 0)
{
// no modifications.
xref = null;
return;
}
long startxref = writer.GetCurrentPos();
long xRefStmPos = -1;
if (writer.IsFullCompression())
{
PdfStream xrefStream = (PdfStream) new PdfStream().MakeIndirect(document);
xrefStream.MakeIndirect(document);
xrefStream.Put(PdfName.Type, PdfName.XRef);
xrefStream.Put(PdfName.ID, fileId);
if (crypto != null)
{
xrefStream.Put(PdfName.Encrypt, crypto);
}
xrefStream.Put(PdfName.Size, new PdfNumber(this.Size()));
int offsetSize = GetOffsetSize(Math.Max(startxref, Size()));
xrefStream.Put(PdfName.W, new PdfArray(JavaUtil.ArraysAsList((PdfObject) new PdfNumber(1), new PdfNumber(offsetSize
), new PdfNumber(2))));
xrefStream.Put(PdfName.Info, document.GetDocumentInfo().GetPdfObject());
xrefStream.Put(PdfName.Root, document.GetCatalog().GetPdfObject());
PdfArray index = new PdfArray();
foreach (int?section in sections)
{
index.Add(new PdfNumber((int)section));
}
if (document.properties.appendMode && !document.reader.hybridXref)
{
// "not meaningful in hybrid-reference files"
PdfNumber lastXref = new PdfNumber(document.reader.GetLastXref());
xrefStream.Put(PdfName.Prev, lastXref);
}
xrefStream.Put(PdfName.Index, index);
iText.Kernel.Pdf.PdfXrefTable xrefTable = document.GetXref();
for (int k = 0; k < sections.Count; k += 2)
{
int first = (int)sections[k];
int len = (int)sections[k + 1];
for (int i = first; i < first + len; i++)
{
PdfIndirectReference reference = xrefTable.Get(i);
if (reference.IsFree())
{
xrefStream.GetOutputStream().Write(0);
xrefStream.GetOutputStream().Write(reference.GetOffset(), offsetSize);
xrefStream.GetOutputStream().Write(reference.GetGenNumber(), 2);
}
else
{
if (reference.GetObjStreamNumber() == 0)
{
xrefStream.GetOutputStream().Write(1);
xrefStream.GetOutputStream().Write(reference.GetOffset(), offsetSize);
xrefStream.GetOutputStream().Write(reference.GetGenNumber(), 2);
}
else
{
xrefStream.GetOutputStream().Write(2);
xrefStream.GetOutputStream().Write(reference.GetObjStreamNumber(), offsetSize);
xrefStream.GetOutputStream().Write(reference.GetIndex(), 2);
}
}
}
}
xrefStream.Flush();
xRefStmPos = startxref;
}
// For documents with hybrid cross-reference table, i.e. containing xref streams as well as regular xref sections,
// we write additional regular xref section at the end of the document because the /Prev reference from
// xref stream to a regular xref section doesn't seem to be valid
bool needsRegularXref = !writer.IsFullCompression() || document.properties.appendMode && document.reader.hybridXref;
if (needsRegularXref)
{
startxref = writer.GetCurrentPos();
writer.WriteString("xref\n");
iText.Kernel.Pdf.PdfXrefTable xrefTable = document.GetXref();
if (xRefStmPos != -1)
{
// Get rid of all objects from object stream. This is done for hybrid documents
sections = CreateSections(document, true);
}
for (int k = 0; k < sections.Count; k += 2)
{
int first = (int)sections[k];
int len = (int)sections[k + 1];
writer.WriteInteger(first).WriteSpace().WriteInteger(len).WriteByte((byte)'\n');
for (int i = first; i < first + len; i++)
{
PdfIndirectReference reference = xrefTable.Get(i);
StringBuilder off = new StringBuilder("0000000000").Append(reference.GetOffset());
StringBuilder gen = new StringBuilder("00000").Append(reference.GetGenNumber());
writer.WriteString(off.JSubstring(off.Length - 10, off.Length)).WriteSpace().WriteString(gen.JSubstring(gen
.Length - 5, gen.Length)).WriteSpace();
if (reference.IsFree())
{
writer.WriteBytes(freeXRefEntry);
}
else
{
writer.WriteBytes(inUseXRefEntry);
}
}
}
PdfDictionary trailer = document.GetTrailer();
// Remove all unused keys in case stamp mode in case original file has full compression, but destination file has not.
trailer.Remove(PdfName.W);
trailer.Remove(PdfName.Index);
trailer.Remove(PdfName.Type);
trailer.Remove(PdfName.Length);
trailer.Put(PdfName.Size, new PdfNumber(this.Size()));
trailer.Put(PdfName.ID, fileId);
if (xRefStmPos != -1)
{
trailer.Put(PdfName.XRefStm, new PdfNumber(xRefStmPos));
}
if (crypto != null)
{
trailer.Put(PdfName.Encrypt, crypto);
}
writer.WriteString("trailer\n");
if (document.properties.appendMode)
{
PdfNumber lastXref = new PdfNumber(document.reader.GetLastXref());
trailer.Put(PdfName.Prev, lastXref);
}
writer.Write(document.GetTrailer());
writer.Write('\n');
}
WriteKeyInfo(document);
writer.WriteString("startxref\n").WriteLong(startxref).WriteString("\n%%EOF\n");
xref = null;
freeReferencesLinkedList.Clear();
}
/// <summary>Writes cross reference table and trailer to PDF.</summary>
/// <exception cref="System.IO.IOException"/>
protected internal virtual void WriteXrefTableAndTrailer(PdfDocument document, PdfObject fileId, PdfObject
crypto)
{
PdfWriter writer = document.GetWriter();
if (!document.properties.appendMode)
{
for (int i = count; i > 0; --i)
{
PdfIndirectReference lastRef = xref[i];
if (lastRef == null || lastRef.IsFree())
{
RemoveFreeRefFromList(i);
--count;
}
else
{
break;
}
}
}
IList <int> sections = new List <int>();
int first = 0;
int len = 0;
for (int i = 0; i < Size(); i++)
{
PdfIndirectReference reference = xref[i];
if (document.properties.appendMode && reference != null && !reference.CheckState(PdfObject.MODIFIED))
{
reference = null;
}
if (reference == null)
{
if (len > 0)
{
sections.Add(first);
sections.Add(len);
}
len = 0;
}
else
{
if (len > 0)
{
len++;
}
else
{
first = i;
len = 1;
}
}
}
if (len > 0)
{
sections.Add(first);
sections.Add(len);
}
if (document.properties.appendMode && sections.Count == 0)
{
// no modifications.
xref = null;
return;
}
long startxref = writer.GetCurrentPos();
if (writer.IsFullCompression())
{
PdfStream xrefStream = (PdfStream) new PdfStream().MakeIndirect(document);
xrefStream.MakeIndirect(document);
xrefStream.Put(PdfName.Type, PdfName.XRef);
xrefStream.Put(PdfName.ID, fileId);
if (crypto != null)
{
xrefStream.Put(PdfName.Encrypt, crypto);
}
xrefStream.Put(PdfName.Size, new PdfNumber(this.Size()));
List <PdfObject> tmpArray = new List <PdfObject>(3);
tmpArray.Add(new PdfNumber(1));
tmpArray.Add(new PdfNumber(4));
tmpArray.Add(new PdfNumber(2));
xrefStream.Put(PdfName.W, new PdfArray(tmpArray));
xrefStream.Put(PdfName.Info, document.GetDocumentInfo().GetPdfObject());
xrefStream.Put(PdfName.Root, document.GetCatalog().GetPdfObject());
PdfArray index = new PdfArray();
foreach (int?section in sections)
{
index.Add(new PdfNumber((int)section));
}
if (document.properties.appendMode)
{
PdfNumber lastXref = new PdfNumber(document.reader.GetLastXref());
xrefStream.Put(PdfName.Prev, lastXref);
}
xrefStream.Put(PdfName.Index, index);
iText.Kernel.Pdf.PdfXrefTable xrefTable = document.GetXref();
for (int k = 0; k < sections.Count; k += 2)
{
first = (int)sections[k];
len = (int)sections[k + 1];
for (int i = first; i < first + len; i++)
{
PdfIndirectReference reference = xrefTable.Get(i);
if (reference.IsFree())
{
xrefStream.GetOutputStream().Write(0);
System.Diagnostics.Debug.Assert(reference.GetOffset() < int.MaxValue);
xrefStream.GetOutputStream().Write(IntToBytes((int)reference.GetOffset()));
xrefStream.GetOutputStream().Write(ShortToBytes(reference.GetGenNumber()));
}
else
{
if (reference.GetObjStreamNumber() == 0)
{
xrefStream.GetOutputStream().Write(1);
System.Diagnostics.Debug.Assert(reference.GetOffset() < int.MaxValue);
xrefStream.GetOutputStream().Write(IntToBytes((int)reference.GetOffset()));
xrefStream.GetOutputStream().Write(ShortToBytes(reference.GetGenNumber()));
}
else
{
xrefStream.GetOutputStream().Write(2);
xrefStream.GetOutputStream().Write(IntToBytes(reference.GetObjStreamNumber()));
xrefStream.GetOutputStream().Write(ShortToBytes(reference.GetIndex()));
}
}
}
}
xrefStream.Flush();
}
else
{
writer.WriteString("xref\n");
iText.Kernel.Pdf.PdfXrefTable xrefTable = document.GetXref();
for (int k = 0; k < sections.Count; k += 2)
{
first = (int)sections[k];
len = (int)sections[k + 1];
writer.WriteInteger(first).WriteSpace().WriteInteger(len).WriteByte((byte)'\n');
for (int i = first; i < first + len; i++)
{
PdfIndirectReference reference = xrefTable.Get(i);
StringBuilder off = new StringBuilder("0000000000").Append(reference.GetOffset());
StringBuilder gen = new StringBuilder("00000").Append(reference.GetGenNumber());
writer.WriteString(off.JSubstring(off.Length - 10, off.Length)).WriteSpace().WriteString(gen.JSubstring(gen
.Length - 5, gen.Length)).WriteSpace();
if (reference.IsFree())
{
writer.WriteBytes(freeXRefEntry);
}
else
{
writer.WriteBytes(inUseXRefEntry);
}
}
}
PdfDictionary trailer = document.GetTrailer();
// Remove all unused keys in case stamp mode in case original file has full compression, but destination file has not.
trailer.Remove(PdfName.W);
trailer.Remove(PdfName.Index);
trailer.Remove(PdfName.Type);
trailer.Remove(PdfName.Length);
trailer.Put(PdfName.Size, new PdfNumber(this.Size()));
trailer.Put(PdfName.ID, fileId);
if (crypto != null)
{
trailer.Put(PdfName.Encrypt, crypto);
}
writer.WriteString("trailer\n");
if (document.properties.appendMode)
{
PdfNumber lastXref = new PdfNumber(document.reader.GetLastXref());
trailer.Put(PdfName.Prev, lastXref);
}
writer.Write(document.GetTrailer());
writer.Write('\n');
}
WriteKeyInfo(document);
writer.WriteString("startxref\n").WriteLong(startxref).WriteString("\n%%EOF\n");
xref = null;
freeReferencesLinkedList.Clear();
}