public string Build()
{
PdfMetadata = ValueOrDefault(PdfMetadata, PdfMetadataDefaultValue);
AddMetadata(PdfMetadata);
StringBuilder sb = new StringBuilder();
sb.Append($"%PDF-{Version}\n");
sb.Append(BinaryComment());
foreach (PdfObject pdfObject in PdfObjects)
{
sb.Append(pdfObject.Build());
}
var pdfFileUpUntilXref = sb.ToString(); // Temp pdf so that we can calculate position to Reference table
var xref = new PdfReferenceTable(pdfFileUpUntilXref, PdfObjects);
var xrefPosition = PdfHelpers.Encoding.GetByteCount(pdfFileUpUntilXref);
sb.Append($"{xref.ToString()}");
var trailer = new PdfTrailer(this.Catalog, PdfObjects.Count + 1, PdfMetadata);
sb.Append(trailer.Build());
// Tells pdf where to find xref table
sb.Append("startxref\n");
sb.Append($"{xrefPosition}\n");
sb.Append("%%EOF");
return(sb.ToString());
}
