void PdfSigIncWriter::Write( PdfOutputDevice* pDevice, pdf_int64 prevOffset)
{
//CreateFileIdentifier( m_identifier, m_pTrailer );
if( m_pTrailer->GetDictionary().HasKey( "ID" ) ) {
PdfObject *idObj = m_pTrailer->GetDictionary().GetKey("ID");
TCIVariantList it = idObj->GetArray().begin();
while( it != idObj->GetArray().end() ) {
if( (*it).GetDataType() == ePdfDataType_HexString ) {
PdfVariant var = (*it);
m_identifier = var.GetString();
}
++it;
}
} else {
PdfDate date;
PdfString dateString;
PdfObject* pInfo;
PdfOutputDevice length;
date.ToString( dateString );
pInfo = new PdfObject();
pInfo->GetDictionary().AddKey( "CreationDate", dateString );
pInfo->GetDictionary().AddKey( "Creator", PdfString("PoDoFo") );
pInfo->GetDictionary().AddKey( "Producer", PdfString("PoDoFo") );
pInfo->GetDictionary().AddKey( "Location", PdfString("SOMEFILENAME") );
pInfo->WriteObject( &length, ePdfWriteMode_Clean, NULL );
char *pBuffer = static_cast<char*>(podofo_calloc( length.GetLength(), sizeof(char) ));
if( !pBuffer ) {
delete pInfo;
PODOFO_RAISE_ERROR( ePdfError_OutOfMemory );
}
PdfOutputDevice device( pBuffer, length.GetLength() );
pInfo->WriteObject( &device, ePdfWriteMode_Clean, NULL );
// calculate the MD5 Sum
m_identifier = PdfEncryptMD5Base::GetMD5String( reinterpret_cast<unsigned char*>(pBuffer),
static_cast<unsigned int>(length.GetLength()) );
podofo_free( pBuffer );
delete pInfo;
}
if( !pDevice )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
// setup encrypt dictionary
if( m_pEncrypt )
{
m_pEncrypt->GenerateEncryptionKey( m_identifier );
// Add our own Encryption dictionary
m_pEncryptObj = m_vecObjects->CreateObject();
m_pEncrypt->CreateEncryptionDictionary( m_pEncryptObj->GetDictionary() );
}
if( GetLinearized() )
{
this->WriteLinearized( pDevice );
}
else
{
PdfXRef* pXRef = m_bXRefStream ? new PdfXRefStream( m_vecObjects, this ) : new PdfXRef();
try {
// WritePdfHeader ( pDevice );
WritePdfObjects ( pDevice, *m_vecObjects, pXRef );
pXRef->SetFirstEmptyBlock();
pXRef->Write( pDevice );
// XRef streams contain the trailer in the XRef
if( !m_bXRefStream )
{
PdfObject trailer;
// if we have a dummy offset we write also a prev entry to the trailer
FillTrailerObject( &trailer, pXRef->GetSize(), false, false );
PdfObject prevOffsetObj(prevOffset);
trailer.GetDictionary().AddKey( "Prev", prevOffsetObj);
pDevice->Print("trailer\n");
trailer.WriteObject( pDevice, ePdfWriteMode_Clean, NULL ); // Do not encrypt the trailer dicionary!!!
}
pDevice->Print( "startxref\n%li\n%%%%EOF\n", pXRef->GetOffset());
delete pXRef;
} catch( PdfError & e ) {
// Make sure pXRef is always deleted
delete pXRef;
e.AddToCallstack( __FILE__, __LINE__ );
throw e;
}
}
}
