/// <summary>
/// Initializes a new stream data on this object if it does not already have one.
/// </summary>
/// <param name="encoding">The text encoding to use for the stream</param>
/// <param name="filters">The filters set to use for writing the stream data</param>
public void InitStream(IStreamFilter[] filters)
{
if (_disposed)
{
throw new InvalidOperationException("This indirect object has already been disposed");
}
if (this._stream == null)
{
this._stream = this._factory.CreateStream(filters, this);
}
}
/// <summary>
/// Creates a new non intialized Indirect object
/// </summary>
public PDFIndirectObject(IStreamFactory factory)
{
if (null == factory)
{
throw new ArgumentNullException("factory");
}
this._gen = -1;
this._number = -1;
this._offset = -1L;
this._factory = factory;
this._objdata = factory.CreateStream(null, this);
this._written = false;
}
public virtual void ReleaseStreams(bool dispose)
{
if (dispose)
{
if (this._objdata != null)
{
this._objdata.Dispose();
}
if (this._stream != null)
{
this._stream.Dispose();
}
}
this._objdata = null;
this._stream = null;
}
/// <summary>
/// Writes all the file data from the current stream to the provided stream
/// </summary>
/// <param name="stream"></param>
public void WriteTo(PDFStream stream)
{
long origpos = this._innerStream.Position;
this._innerStream.Position = 0;
long srclen = this._innerStream.Length;
long destlen = stream.Length;
byte[] buffer = new byte[4096];
int count = buffer.Length;
while ((count = this._innerStream.Read(buffer, 0, count)) > 0)
{
stream.Write(buffer, 0, count);
}
stream.Flush();
System.Diagnostics.Debug.Assert(srclen + destlen == stream.Length);
this._innerStream.Position = origpos;
}
public void WriteTo(PDFStream stream)
{
this.WriteTo(stream.InnerStream);
}