////////////////////////////////////////////////////////////////////
// Clear document object
////////////////////////////////////////////////////////////////////
internal void Clear()
{
// dispose all FontApi resources
foreach (PdfObject Obj in ObjectArray)
{
if (Obj.GetType() == typeof(PdfFont))
{
((PdfFont)Obj).FontInfo.Dispose();
}
}
// dispose encryption resources
if (Encryption != null)
{
Encryption.Dispose();
Encryption = null;
}
// clear object array
ObjectArray.Clear();
// reset resource code number
Array.Clear(ResCodeNo, 0, ResCodeNo.Length);
// reset string objects
StrObjects.Clear();
// invoke garbage collector
GC.Collect();
// exit
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// Create PDF document file
/// </summary>
/// <remarks>
/// The last step of document creation after all pages were constructed.
/// FileName is the path and name of the output file.
/// </remarks>
////////////////////////////////////////////////////////////////////
public void CreateFile()
{
// create page array
StringBuilder Kids = new StringBuilder("[");
for (Int32 Index = 0; Index < PageArray.Count; Index++)
{
Kids.AppendFormat("{0} 0 R ", PageArray[Index].ObjectNumber);
}
if (Kids.Length > 1)
{
Kids.Length--;
}
Kids.Append("]");
PagesObject.Dictionary.Add("/Kids", Kids.ToString());
// page count
PagesObject.Dictionary.AddInteger("/Count", PageArray.Count);
// objects
for (Int32 Index = 0; Index < ObjectArray.Count; Index++)
{
ObjectArray[Index].WriteObjectHeaderToPdfFile();
}
// save cross reference table position
Int32 XRefPos = (Int32)PdfFile.BaseStream.Position;
// cross reference
PdfFile.WriteFormat("xref\n0 {0}\n0000000000 65535 f \n", ObjectArray.Count + 1);
foreach (PdfObject PO in ObjectArray)
{
PdfFile.WriteFormat("{0:0000000000} 00000 n \n", PO.FilePosition);
}
// trailer
PdfFile.WriteFormat("trailer\n<</Size {0}/Root 1 0 R/ID [{1}{1}]{2}>>\nstartxref\n{3}\n",
ObjectArray.Count + 1, ByteArrayToPdfHexString(DocumentID),
Encryption == null ? String.Empty : String.Format("/Encrypt {0} 0 R", Encryption.ObjectNumber), XRefPos);
// write PDF end of file marker
PdfFile.WriteString("%%EOF\n");
// close file
PdfFile.Close();
// dispose all FontApi resources
foreach (PdfObject Obj in ObjectArray)
{
if (Obj.GetType() == typeof(PdfFont))
{
((PdfFont)Obj).FontInfo.Dispose();
}
}
// dispose encryption resources
if (Encryption != null)
{
Encryption.Dispose();
Encryption = null;
}
// successful exit
return;
}
