private void WritePDFFile()
{
List <long> xref = new List <long>();
using (Stream stream = new FileStream(pdfFileName, FileMode.OpenOrCreate))
{
stream.SetLength(0); // clear previous file contents
// File header
PDFObject.WriteASCIIBytes("%PDF-1.5\r\n", stream);
WriteBinaryMarker(stream);
foreach (PDFFont font in _fontMapping.Values)
{
font.Write(stream);
}
foreach (PDFObject obj in indirectObjects)
{
xref.Add(stream.Position);
obj.Write(stream);
}
long startXref = stream.Position;
WriteXref(xref, stream);
PDFObject.WriteASCIIBytes("trailer\r\n", stream);
trailerDictionary.Write(stream);
PDFObject.WriteASCIIBytes($"\r\nstartxref\r\n{startXref}\r\n%%EOF\r\n", stream);
}
}
private void WriteXref(List <long> xref, Stream stream)
{
PDFObject.WriteASCIIBytes(
$"xref\r\n0 {indirectObjects.Count + 1}\r\n0000000000 65535 f\r\n", stream);
foreach (long offset in xref)
{
string str = offset.ToString().PadLeft(10, '0');
PDFObject.WriteASCIIBytes($"{str} 00000 n\r\n", stream);
}
}