public void Write(SaveParameters param)
{
Stream stream = param.Stream;
stream.WriteByte((byte)'[');
for (int i = 0; i < _items.Count; ++i)
{
if (i != 0)
{
stream.WriteByte((byte)' ');
}
IPDFObject item = _items[i];
if (item is PDFDictionary || item is PDFDictionaryStream)
{
if (!param.WriteInheritableObjects)
{
StringUtility.WriteToStream(item.ObjNo, stream);
stream.WriteByte((byte)' ');
stream.WriteByte((byte)'0');
stream.WriteByte((byte)' ');
stream.WriteByte((byte)'R');
}
else
{
item.Write(param);
}
}
else
{
item.Write(param);
}
}
stream.WriteByte((byte)']');
}
public void Write(SaveParameters param)
{
Stream stream = param.Stream;
stream.WriteByte((byte)'n');
stream.WriteByte((byte)'u');
stream.WriteByte((byte)'l');
stream.WriteByte((byte)'l');
}
private void writeObjects(Stream writer)
{
int count = _xref.Entries.Count;
byte[] endObj = System.Text.Encoding.ASCII.GetBytes("\nendobj\n");
SaveParameters param = new SaveParameters();
param.Stream = writer;
param.WriteInheritableObjects = false;
param.Buffer = new MemoryStream(4096);
param.StringBuffer = new MemoryStream(1024);
param.Compression = _compression;
param.Encryptor = _xref.Encryptor;
if (_xref.Encryptor != null)
{
count--;
}
for (int i = 1; i < count; ++i)
{
Entry entry = _xref.Entries[i];
entry.Offset = (int)writer.Position;
string startObj = i.ToString() + " 0 obj\n";
writer.Write(System.Text.Encoding.ASCII.GetBytes(startObj), 0, startObj.Length);
param.ObjNo = i;
// Если словарь подписи, то находим запись ByteRange и ее офсет
if (entry.Object.ObjNo == _signature)
{
_byteRangeOffset = Sig.Write(param, entry.Object as PDFDictionary, out _byteRange);
}
else
{
entry.Object.Write(param);
}
writer.Write(endObj, 0, endObj.Length);
}
if (_xref.Encryptor != null)
{
param.Encryptor = null;
param.WriteInheritableObjects = true;
Entry entry = _xref.Entries[count];
entry.Offset = (int)writer.Position;
string startObj = count.ToString() + " 0 obj\n";
writer.Write(System.Text.Encoding.ASCII.GetBytes(startObj), 0, startObj.Length);
entry.Object.Write(param);
writer.Write(endObj, 0, endObj.Length);
}
param.Buffer.Dispose();
param.StringBuffer.Dispose();
}
private void writeTrailer(Stream writer, PDFDictionary trailer)
{
string trailerHeader = "trailer\n";
writer.Write(System.Text.Encoding.ASCII.GetBytes(trailerHeader), 0, trailerHeader.Length);
SaveParameters param = new SaveParameters(writer);
param.WriteInheritableObjects = false;
trailer.Write(param);
writer.Write(System.Text.Encoding.ASCII.GetBytes("\n"), 0, 1);
}
public void Write(SaveParameters param)
{
Stream stream = param.Stream;
stream.WriteByte((byte)'<');
stream.WriteByte((byte)'<');
int count = _items.Count;
for (int i = 0; i < count; ++i)
{
KeyValuePair <string, IPDFObject> pair = _items[i];
PDFName.Write(stream, pair.Key);
stream.WriteByte((byte)' ');
IPDFObject val = pair.Value;
if (val is PDFDictionary || val is PDFDictionaryStream)
{
if (!param.WriteInheritableObjects)
{
StringUtility.WriteToStream(val.ObjNo, stream);
stream.WriteByte((byte)' ');
stream.WriteByte((byte)'0');
stream.WriteByte((byte)' ');
stream.WriteByte((byte)'R');
}
else
{
val.Write(param);
}
}
else
{
val.Write(param);
}
if (i != count - 1)
{
stream.WriteByte((byte)'\n');
}
}
stream.WriteByte((byte)'>');
stream.WriteByte((byte)'>');
}
public void Write(SaveParameters param)
{
Stream stream = param.Stream;
if (_value)
{
stream.WriteByte((byte)'t');
stream.WriteByte((byte)'r');
stream.WriteByte((byte)'u');
stream.WriteByte((byte)'e');
}
else
{
stream.WriteByte((byte)'f');
stream.WriteByte((byte)'a');
stream.WriteByte((byte)'l');
stream.WriteByte((byte)'s');
stream.WriteByte((byte)'e');
}
}
public void WriteDigest()
{
PKCS7 pkcs = new PKCS7(_cert.Akp, _cert.Chain, null, "SHA1", true);
for (int i = 0; i < _byteRange.Length; i += 2)
{
byte[] buf = new byte[_byteRange[i + 1]];
_document.Position = _byteRange[i];
_document.Read(buf, 0, _byteRange[i + 1]);
pkcs.Update(buf, 0, buf.Length);
}
byte[] bsig = pkcs.GetEncodedPKCS7(null, DateTime.Now, null);
//byte[] sbuf = new byte[bsig.Length/* +64*/];
//Array.Copy(bsig, 0, sbuf, 0, bsig.Length);
// Записываем дайджест
//PDFString str = new PDFString(sbuf, true);
PDFString str = new PDFString(bsig, true);
SaveParameters sp = new SaveParameters(_document);
sp.Stream.Position = _byteRange[1];
str.Write(sp);
}
public void Write(SaveParameters param)
{
byte[] buf = _string;
int length = _string.Length;
if (param.Encryptor != null)
{
param.Encryptor.ResetObjectReference(param.ObjNo, param.GenNo, DataType.String);
MemoryStream ms = param.StringBuffer;
ms.SetLength(0);
param.Encryptor.Encrypt(_string, 0, _string.Length, ms, DataType.String);
length = (int)ms.Length;
buf = ms.GetBuffer();
}
if (_hexadecimal)
{
writeHexString(param.Stream, buf, 0, length);
}
else
{
writeString(param.Stream, buf, 0, length);
}
}
public void Write(SaveParameters param)
{
Write(param.Stream, _name);
}
//internal ByteRange
//internal Contents
static internal int Write(SaveParameters param, PDFDictionary dict, out int[] byteRange)
{
int byteRangeOffset = -1;
byteRange = new int[4];
byteRange[0] = 0;
Stream stream = param.Stream;
stream.WriteByte((byte)'<');
stream.WriteByte((byte)'<');
string[] keys = dict.GetKeys();
int count = keys.Length;
for (int i = 0; i < count; ++i)
{
string key = keys[i];
PDFName.Write(stream, key);
stream.WriteByte((byte)' ');
IPDFObject val = dict[key];
if (key == "ByteRange")
{
byteRangeOffset = (int)stream.Position;
}
else if (key == "Contents")
{
byteRange[1] = (int)stream.Position;
}
if (val is PDFDictionary || val is PDFDictionaryStream)
{
if (!param.WriteInheritableObjects)
{
StringUtility.WriteToStream(val.ObjNo, stream);
stream.WriteByte((byte)' ');
stream.WriteByte((byte)'0');
stream.WriteByte((byte)' ');
stream.WriteByte((byte)'R');
}
else
{
val.Write(param);
}
}
else
{
val.Write(param);
}
if (key == "ByteRange")
{
for (int j = 0; j < 30; j++)
{
stream.WriteByte((byte)' ');
}
}
else if (key == "Contents")
{
byteRange[2] = (int)stream.Position;
}
if (i != count - 1)
{
stream.WriteByte((byte)'\n');
}
}
stream.WriteByte((byte)'>');
stream.WriteByte((byte)'>');
return(byteRangeOffset);
}
public void Write(SaveParameters param)
{
_stream.Position = 0;
MemoryStream output = _stream;
//set compression
bool filter = false;
if (param.Compression == Compression.Flate)
{
PDFName subtype = (PDFName)_dictionary["Subtype"];
Filter[] filters = getFilters();
if (subtype != null && subtype.GetValue() == "Image" && filters.Length > 0 && filters[0] == Filter.DCT)
{
output = param.Buffer;
output.SetLength(0);
_stream.WriteTo(output);
filter = true;
}
else if (param.Compression != Compression.None && getFilters().Length == 0)
{
output = param.Buffer;
output.SetLength(0);
FlateDecoder.Code(_stream, output);
_dictionary.AddItem("Filter", new PDFName("FlateDecode"));
filter = true;
}
}
//set encryption
if (param.Encryptor != null)
{
param.Encryptor.ResetObjectReference(param.ObjNo, param.GenNo, DataType.Stream);
if (filter)
{
byte[] buffer = output.GetBuffer();
int length = (int)output.Length;
output.SetLength(0);
param.Encryptor.Encrypt(buffer, 0, length, output, DataType.Stream);
}
else
{
output = param.Buffer;
output.SetLength(0);
param.Encryptor.Encrypt(_stream.GetBuffer(), 0, (int)_stream.Length, output, DataType.Stream);
}
}
output.Position = 0;
_dictionary.AddItem("Length", new PDFNumber(output.Length));
_dictionary.Write(param);
param.Stream.Write(StartStream, 0, StartStream.Length);
param.Stream.Write(output.GetBuffer(), 0, (int)output.Length);
param.Stream.Write(EndStream, 0, EndStream.Length);
if (filter)
{
_dictionary.RemoveItem("Filter");
}
}
