TVecFilters PdfFilterFactory::CreateFilterList( const PdfObject* pObject )
{
TVecFilters filters;
const PdfObject* pObj = NULL;
if( pObject->IsDictionary() && pObject->GetDictionary().HasKey( "Filter" ) )
pObj = pObject->GetDictionary().GetKey( "Filter" );
else if( pObject->IsArray() )
pObj = pObject;
else if( pObject->IsName() )
pObj = pObject;
if (!pObj)
// Object had no /Filter key . Return a null filter list.
return filters;
if( pObj->IsName() )
filters.push_back( PdfFilterFactory::FilterNameToType( pObj->GetName() ) );
else if( pObj->IsArray() )
{
TCIVariantList it = pObj->GetArray().begin();
while( it != pObj->GetArray().end() )
{
if ( (*it).IsName() )
{
filters.push_back( PdfFilterFactory::FilterNameToType( (*it).GetName() ) );
}
else if ( (*it).IsReference() )
{
PdfObject* pFilter = pObject->GetOwner()->GetObject( (*it).GetReference() );
if( pFilter == NULL )
{
PODOFO_RAISE_ERROR_INFO( ePdfError_InvalidDataType, "Filter array contained unexpected reference" );
}
filters.push_back( PdfFilterFactory::FilterNameToType( pFilter->GetName() ) );
}
else
{
PODOFO_RAISE_ERROR_INFO( ePdfError_InvalidDataType, "Filter array contained unexpected non-name type" );
}
++it;
}
}
return filters;
}
void PdfFileStream::BeginAppendImpl( const TVecFilters & vecFilters )
{
m_pParent->GetOwner()->WriteObject( m_pParent );
m_lLenInitial = m_pDevice->GetLength();
if( vecFilters.size() )
{
m_pDeviceStream = new PdfDeviceOutputStream( m_pDevice );
if( m_pCurEncrypt )
{
m_pEncryptStream = m_pCurEncrypt->CreateEncryptionOutputStream( m_pDeviceStream );
m_pStream = PdfFilterFactory::CreateEncodeStream( vecFilters, m_pEncryptStream );
}
else
m_pStream = PdfFilterFactory::CreateEncodeStream( vecFilters, m_pDeviceStream );
}
else
{
if( m_pCurEncrypt )
{
m_pDeviceStream = new PdfDeviceOutputStream( m_pDevice );
m_pStream = m_pCurEncrypt->CreateEncryptionOutputStream( m_pDeviceStream );
}
else
m_pStream = new PdfDeviceOutputStream( m_pDevice );
}
}
void PdfMemStream::BeginAppendImpl( const TVecFilters & vecFilters )
{
m_buffer = PdfRefCountedBuffer();
m_lLength = 0;
if( vecFilters.size() )
{
m_pBufferStream = new PdfBufferOutputStream( &m_buffer );
m_pStream = PdfFilterFactory::CreateEncodeStream( vecFilters, m_pBufferStream );
}
else
m_pStream = new PdfBufferOutputStream( &m_buffer );
}
void PdfTilingPattern::Init( EPdfTilingPatternType eTilingType,
double strokeR, double strokeG, double strokeB,
bool doFill, double fillR, double fillG, double fillB,
double offsetX, double offsetY,
PdfImage *pImage)
{
if (eTilingType == ePdfTilingPatternType_Image && pImage == NULL) {
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
if (eTilingType != ePdfTilingPatternType_Image && pImage != NULL) {
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
PdfRect rRect;
rRect.SetLeft(0);
rRect.SetBottom(0);
if (pImage) {
rRect.SetWidth(pImage->GetWidth());
rRect.SetHeight(-pImage->GetHeight());
} else {
rRect.SetWidth(8);
rRect.SetHeight(8);
}
PdfVariant var;
rRect.ToVariant( var );
this->GetObject()->GetDictionary().AddKey( PdfName("PatternType"), static_cast<pdf_int64>(1L) ); // Tiling pattern
this->GetObject()->GetDictionary().AddKey( PdfName("PaintType"), static_cast<pdf_int64>(1L) ); // Colored
this->GetObject()->GetDictionary().AddKey( PdfName("TilingType"), static_cast<pdf_int64>(1L) ); // Constant spacing
this->GetObject()->GetDictionary().AddKey( PdfName("BBox"), var );
this->GetObject()->GetDictionary().AddKey( PdfName("XStep"), static_cast<pdf_int64>(rRect.GetWidth()) );
this->GetObject()->GetDictionary().AddKey( PdfName("YStep"), static_cast<pdf_int64>(rRect.GetHeight()) );
this->GetObject()->GetDictionary().AddKey( PdfName("Resources"), PdfObject( PdfDictionary() ) );
if (offsetX < -1e-9 || offsetX > 1e-9 || offsetY < -1e-9 || offsetY > 1e-9) {
PdfArray array;
array.push_back (static_cast<pdf_int64>(1));
array.push_back (static_cast<pdf_int64>(0));
array.push_back (static_cast<pdf_int64>(0));
array.push_back (static_cast<pdf_int64>(1));
array.push_back (offsetX);
array.push_back (offsetY);
this->GetObject()->GetDictionary().AddKey( PdfName("Matrix"), array );
}
std::ostringstream out;
out.flags( std::ios_base::fixed );
out.precision( 1L /* clPainterDefaultPrecision */ );
PdfLocaleImbue(out);
if (pImage) {
AddToResources(pImage->GetIdentifier(), pImage->GetObjectReference(), PdfName("XObject"));
out << rRect.GetWidth() << " 0 0 "
<< rRect.GetHeight() << " "
<< rRect.GetLeft() << " "
<< rRect.GetBottom() << " cm" << std::endl;
out << "/" << pImage->GetIdentifier().GetName() << " Do" << std::endl;
} else {
if (doFill) {
out << fillR << " " << fillG << " " << fillB << " rg" << " ";
out << rRect.GetLeft() << " " << rRect.GetBottom() << " " << rRect.GetWidth() << " " << rRect.GetHeight() << " re" << " ";
out << "f" << " "; //fill rect
}
out << strokeR << " " << strokeG << " " << strokeB << " RG" << " ";
out << "2 J" << " "; // line capability style
out << "0.5 w" << " "; //line width
double left, bottom, right, top, whalf, hhalf;
left = rRect.GetLeft();
bottom = rRect.GetBottom();
right = left + rRect.GetWidth();
top = bottom + rRect.GetHeight();
whalf = rRect.GetWidth() / 2;
hhalf = rRect.GetHeight() / 2;
switch (eTilingType) {
case ePdfTilingPatternType_BDiagonal:
out << left << " " << bottom << " m " << right << " " << top << " l ";
out << left - whalf << " " << top - hhalf << " m " << left + whalf << " " << top + hhalf << " l ";
out << right - whalf << " " << bottom - hhalf << " m " << right + whalf << " " << bottom + hhalf << " l" << std::endl;
break;
case ePdfTilingPatternType_Cross:
out << left << " " << bottom + hhalf << " m " << right << " " << bottom + hhalf << " l ";
out << left + whalf << " " << bottom << " m " << left + whalf << " " << top << " l" << std::endl;
break;
case ePdfTilingPatternType_DiagCross:
out << left << " " << bottom << " m " << right << " " << top << " l ";
out << left << " " << top << " m " << right << " " << bottom << " l" << std::endl;
break;
case ePdfTilingPatternType_FDiagonal:
out << left << " " << top << " m " << right << " " << bottom << " l ";
out << left - whalf << " " << bottom + hhalf << " m " << left + whalf << " " << bottom - hhalf << " l ";
out << right - whalf << " " << top + hhalf << " m " << right + whalf << " " << top - hhalf << " l" << std::endl;
break;
case ePdfTilingPatternType_Horizontal:
out << left << " " << bottom + hhalf << " m " << right << " " << bottom + hhalf << " l ";
break;
case ePdfTilingPatternType_Vertical:
out << left + whalf << " " << bottom << " m " << left + whalf << " " << top << " l" << std::endl;
break;
case ePdfTilingPatternType_Image:
/* This is handled above, based on the 'pImage' variable */
default:
PODOFO_RAISE_ERROR (ePdfError_InvalidEnumValue);
break;
}
out << "S"; //stroke path
}
TVecFilters vecFlate;
vecFlate.push_back( ePdfFilter_FlateDecode );
std::string str = out.str();
PdfMemoryInputStream stream(str.c_str(), str.length());
this->GetObject()->GetStream()->Set(&stream, vecFlate);
}
