internal void WriteLine(PdfObject obj)
{
Debug.Assert(obj != null);
if (obj.IsIndirect || obj is PdfObjectReference)
{
throw new ArgumentException("Cannot write indirect PdfObject", "obj");
}
streamData.WriteLine(obj);
}
protected internal override void Write(PdfWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (data == null)
{
throw new InvalidOperationException("No data for stream.");
}
// Prepare the stream's data.
byte[] bytes = (byte[])data.Clone();
// Apply any filters.
if (HasFilters)
{
bytes = ApplyFilters(data);
}
// Encrypt the data if required.
SecurityManager sm = writer.SecurityManager;
if (sm != null)
{
bytes = sm.Encrypt(bytes, writer.EnclosingIndirect.ObjectId);
}
// Create the stream's dictionary.
dictionary[PdfName.Names.Length] = new PdfNumeric(bytes.Length);
if (HasFilters)
{
dictionary[PdfName.Names.Filter] = FilterName;
if (HasDecodeParams)
{
dictionary[PdfName.Names.DecodeParams] = FilterDecodeParms;
}
}
// Write out the dictionary.
writer.WriteLine(dictionary);
// Write out the stream data.
writer.WriteKeywordLine(Keyword.Stream);
writer.WriteLine(bytes);
writer.WriteKeyword(Keyword.EndStream);
}
/// <summary>
/// Writes the cross reference sub-section to the passed PDF writer.
/// </summary>
internal void Write(PdfWriter writer)
{
// The format of each cross-reference entry should occupy
// exacty 20 ASCII bytes including the newline character.
string entryFormat = "{0:0000000000} {1:00000} {2}";
if (writer.NewLine.Length == 1)
{
// If the newline is configured as only a single character,
// then we need to add an extra space to ensure the
// resulting entry is always 20 bytes long.
entryFormat += " ";
}
// Sort the entries.
entries.Sort();
// Identify the first and last entries.
uint first = 0;
uint last = ((Entry)entries[entries.Count - 1]).objectId.ObjectNumber;
// Work out the number of entries based on the first and last object numbers.
uint count = last - first + 1;
// Output the first object number and the number of entries.
writer.Write(first);
writer.WriteSpace();
writer.WriteLine(count);
// Output the head of the linked list of free entries.
// Right now, this implmentation does not support free
// entries properly, so we just output an empty list and
// hope that only contingous entries are ever added.
byte[] bytes = Encoding.ASCII.GetBytes(
String.Format(entryFormat, 0, 65535, "f"));
writer.WriteLine(bytes);
// Output each entry.
foreach (Entry entry in entries)
{
bytes = Encoding.ASCII.GetBytes(
String.Format(entryFormat, entry.offset,
entry.objectId.GenerationNumber, "n"));
writer.WriteLine(bytes);
}
}
protected internal override void Write(PdfWriter writer)
{
writer.WriteKeywordLine(Keyword.DictionaryBegin);
foreach (DictionaryEntry e in entries)
{
writer.Write((PdfName)e.Key);
writer.WriteSpace();
writer.WriteLine((PdfObject)e.Value);
}
writer.WriteKeyword(Keyword.DictionaryEnd);
}
protected internal void WriteIndirect(PdfWriter writer)
{
Debug.Assert(writer != null);
Debug.Assert(IsIndirect);
// Write the object number and generation number
// followed by the keyword 'obj' and finally a newline.
writer.Write(objectId.ObjectNumber);
writer.WriteSpace();
writer.Write(objectId.GenerationNumber);
writer.WriteSpace();
writer.WriteKeywordLine(Keyword.Obj);
// Write the objects value, subclasses will override this.
Write(writer);
// Follow the objects value with a newline and then the keyword 'endobj'.
writer.WriteLine();
writer.WriteKeyword(Keyword.EndObj);
}
protected internal void WriteIndirect(PdfWriter writer)
{
Debug.Assert(writer != null);
Debug.Assert(IsIndirect);
// Write the object number and generation number
// followed by the keyword 'obj' and finally a newline.
writer.Write(objectId.ObjectNumber);
writer.WriteSpace();
writer.Write(objectId.GenerationNumber);
writer.WriteSpace();
writer.WriteKeywordLine(Keyword.Obj);
// Write the objects value, subclasses will override this.
Write(writer);
// Follow the objects value with a newline and then the keyword 'endobj'.
writer.WriteLine();
writer.WriteKeyword(Keyword.EndObj);
}
protected internal override void Write(PdfWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (data == null)
{
throw new InvalidOperationException("No data for stream.");
}
// Prepare the stream's data.
byte[] bytes = (byte[])data.Clone();
// Apply any filters.
if (HasFilters)
{
bytes = ApplyFilters(data);
}
// Encrypt the data if required.
SecurityManager sm = writer.SecurityManager;
if (sm != null)
{
bytes = sm.Encrypt(bytes, writer.EnclosingIndirect.ObjectId);
}
// Create the stream's dictionary.
dictionary[PdfName.Names.Length] = new PdfNumeric(bytes.Length);
if (HasFilters)
{
dictionary[PdfName.Names.Filter] = FilterName;
if (HasDecodeParams)
{
dictionary[PdfName.Names.DecodeParams] = FilterDecodeParms;
}
}
// Write out the dictionary.
writer.WriteLine(dictionary);
// Write out the stream data.
writer.WriteKeywordLine(Keyword.Stream);
writer.WriteLine(bytes);
writer.WriteKeyword(Keyword.EndStream);
}
/// <summary>
/// Writes the cross reference sub-section to the passed PDF writer.
/// </summary>
internal void Write(PdfWriter writer)
{
// The format of each cross-reference entry should occupy
// exacty 20 ASCII bytes including the newline character.
string entryFormat = "{0:0000000000} {1:00000} {2}";
if (writer.NewLine.Length == 1)
{
// If the newline is configured as only a single character,
// then we need to add an extra space to ensure the
// resulting entry is always 20 bytes long.
entryFormat += " ";
}
// Sort the entries.
entries.Sort();
// Identify the first and last entries.
uint first = 0;
uint last = ((Entry)entries[entries.Count - 1]).objectId.ObjectNumber;
// Work out the number of entries based on the first and last object numbers.
uint count = last - first + 1;
// Output the first object number and the number of entries.
writer.Write(first);
writer.WriteSpace();
writer.WriteLine(count);
// Output the head of the linked list of free entries.
// Right now, this implmentation does not support free
// entries properly, so we just output an empty list and
// hope that only contingous entries are ever added.
byte[] bytes = Encoding.ASCII.GetBytes(
String.Format(entryFormat, 0, 65535, "f"));
writer.WriteLine(bytes);
// Output each entry.
foreach (Entry entry in entries)
{
bytes = Encoding.ASCII.GetBytes(
String.Format(entryFormat, entry.offset,
entry.objectId.GenerationNumber, "n"));
writer.WriteLine(bytes);
}
}