void PdfTilingPattern::AddToResources(const PdfName &rIdentifier, const PdfReference &rRef, const PdfName &rName)
{
PdfObject* pResource = GetObject()->GetDictionary().GetKey( "Resources" );
if( !pResource ) {
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
if( !pResource->GetDictionary().HasKey( rName ) ) {
pResource->GetDictionary().AddKey( rName, PdfDictionary() );
}
if (ePdfDataType_Reference == pResource->GetDictionary().GetKey( rName )->GetDataType()) {
PdfObject *directObject = pResource->GetOwner()->GetObject(pResource->GetDictionary().GetKey( rName )->GetReference());
if (0 == directObject) {
PODOFO_RAISE_ERROR( ePdfError_NoObject );
}
if( !directObject->GetDictionary().HasKey( rIdentifier ) )
directObject->GetDictionary().AddKey( rIdentifier, rRef );
}else {
if( !pResource->GetDictionary().GetKey( rName )->GetDictionary().HasKey( rIdentifier ) )
pResource->GetDictionary().GetKey( rName )->GetDictionary().AddKey( rIdentifier, rRef );
}
}
void PdfAcroForm::Init( EPdfAcroFormDefaulAppearance eDefaultAppearance )
{
// Add default appearance: black text, 12pt times
// -> only if we do not have a DA key yet
// Peter Petrov 27 April 2008
//this->GetObject()->GetDictionary().AddKey( PdfName("NeedAppearances"), PdfVariant(true) );
if( !this->GetObject()->GetDictionary().HasKey("DA") &&
eDefaultAppearance == ePdfAcroFormDefaultAppearance_BlackText12pt )
{
//PdfFont* pFont = pParent->GetDocument()->CreateFont( "Helvetica", false );
// TODO: It is no good idea to always embedd arial
// but handling of non embedded helvetica is currently broken
PdfFont* pFont = m_pDocument->CreateFont( "Arial" ); // embedd is default true
PdfObject* pResource;
PdfObject* pFontDict;
// Create DR key
if( !this->GetObject()->GetDictionary().HasKey( PdfName("DR") ) )
this->GetObject()->GetDictionary().AddKey( PdfName("DR"), PdfDictionary() );
pResource = this->GetObject()->GetDictionary().GetKey( PdfName("DR") );
if( !pResource->GetDictionary().HasKey( PdfName("Font") ) )
pResource->GetDictionary().AddKey( PdfName("Font"), PdfDictionary() );
pFontDict = pResource->GetDictionary().GetKey( PdfName("Font") );
pFontDict->GetDictionary().AddKey( pFont->GetIdentifier(), pFont->GetObject()->Reference() );
// Create DA key
std::ostringstream oss;
PdfLocaleImbue(oss);
oss << "0 0 0 rg /" << pFont->GetIdentifier().GetName() << " 12 Tf";
this->GetObject()->GetDictionary().AddKey( PdfName("DA"), PdfString( oss.str() ) );
}
}
void PdfPage::InitNewPage( const PdfRect & rSize )
{
PdfVariant mediabox;
rSize.ToVariant( mediabox );
m_pObject->GetDictionary().AddKey( "MediaBox", mediabox );
// The PDF specification suggests that we send all available PDF Procedure sets
m_pObject->GetDictionary().AddKey( "Resources", PdfObject( PdfDictionary() ) );
m_pResources = m_pObject->GetIndirectKey( "Resources" );
m_pResources->GetDictionary().AddKey( "ProcSet", PdfCanvas::GetProcSet() );
// Add contents to page object
// m_pContents must have been initialized before calling this method
m_pObject->GetDictionary().AddKey( PdfName::KeyContents, m_pContents->GetContents()->Reference());
}
void PdfXObject::InitXObject( const PdfRect & rRect, const char* pszPrefix )
{
PdfVariant var;
ostringstream out;
PdfLocaleImbue(out);
// Initialize static data
if( s_matrix.empty() )
{
// This matrix is the same for all PdfXObjects so cache it
s_matrix.push_back( PdfVariant( 1LL ) );
s_matrix.push_back( PdfVariant( 0LL ) );
s_matrix.push_back( PdfVariant( 0LL ) );
s_matrix.push_back( PdfVariant( 1LL ) );
s_matrix.push_back( PdfVariant( 0LL ) );
s_matrix.push_back( PdfVariant( 0LL ) );
}
rRect.ToVariant( var );
m_pObject->GetDictionary().AddKey( "BBox", var );
m_pObject->GetDictionary().AddKey( PdfName::KeySubtype, PdfName("Form") );
m_pObject->GetDictionary().AddKey( "FormType", PdfVariant( 1LL ) ); // only 1 is only defined in the specification.
m_pObject->GetDictionary().AddKey( "Matrix", s_matrix );
// The PDF specification suggests that we send all available PDF Procedure sets
m_pObject->GetDictionary().AddKey( "Resources", PdfObject( PdfDictionary() ) );
m_pResources = m_pObject->GetDictionary().GetKey( "Resources" );
m_pResources->GetDictionary().AddKey( "ProcSet", PdfCanvas::GetProcSet() );
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /XOb for XObject.
if ( pszPrefix == NULL )
out << "XOb" << m_pObject->Reference().ObjectNumber();
else
out << pszPrefix << m_pObject->Reference().ObjectNumber();
m_Identifier = PdfName( out.str().c_str() );
m_Reference = m_pObject->Reference();
}
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);
}
