void PdfFontMetricsFreetype::GetBoundingBox( PdfArray & array ) const
{
if( !m_pFace )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
array.Clear();
array.push_back( PdfVariant( m_pFace->bbox.xMin * 1000.0 / m_pFace->units_per_EM ) );
array.push_back( PdfVariant( m_pFace->bbox.yMin * 1000.0 / m_pFace->units_per_EM ) );
array.push_back( PdfVariant( m_pFace->bbox.xMax * 1000.0 / m_pFace->units_per_EM ) );
array.push_back( PdfVariant( m_pFace->bbox.yMax * 1000.0 / m_pFace->units_per_EM ) );
}
void PdfFontCID::Init( bool bEmbed )
{
PdfObject* pDescriptor;
PdfObject* pDescendantFonts;
PdfObject* pCIDSystemInfo;
PdfObject* pUnicode;
PdfVariant var;
PdfArray array;
// The descendant font is a CIDFont:
pDescendantFonts = this->GetObject()->GetOwner()->CreateObject("Font");
pCIDSystemInfo = this->GetObject()->GetOwner()->CreateObject();
pDescriptor = this->GetObject()->GetOwner()->CreateObject("FontDescriptor");
pUnicode = this->GetObject()->GetOwner()->CreateObject(); // The ToUnicode CMap
// Now setting each of the entries of the font
this->GetObject()->GetDictionary().AddKey( PdfName::KeySubtype, PdfName("Type0") );
this->GetObject()->GetDictionary().AddKey( "BaseFont", this->GetBaseFont() );
this->GetObject()->GetDictionary().AddKey( "ToUnicode", pUnicode->Reference() );
// The encoding is here usually a (Predefined) CMap from PdfIdentityEncoding:
m_pEncoding->AddToDictionary( this->GetObject()->GetDictionary() );
// The DecendantFonts, should be an indirect object:
array.push_back( pDescendantFonts->Reference() );
this->GetObject()->GetDictionary().AddKey( "DescendantFonts", array );
// Setting the DescendantFonts paras
// This is a type2 CIDFont, which is also known as TrueType:
pDescendantFonts->GetDictionary().AddKey( PdfName::KeySubtype, PdfName("CIDFontType2") );
// Same base font as the owner font:
pDescendantFonts->GetDictionary().AddKey( "BaseFont", this->GetBaseFont() );
// The CIDSystemInfo, should be an indirect object:
pDescendantFonts->GetDictionary().AddKey( "CIDSystemInfo", pCIDSystemInfo->Reference() );
// The FontDescriptor, should be an indirect object:
pDescendantFonts->GetDictionary().AddKey( "FontDescriptor", pDescriptor->Reference() );
pDescendantFonts->GetDictionary().AddKey( "CIDToGIDMap", PdfName("Identity") );
// Add the width keys
this->CreateWidth( pDescendantFonts );
// Create the ToUnicode CMap
this->CreateCMap( pUnicode );
// Setting the CIDSystemInfo paras:
pCIDSystemInfo->GetDictionary().AddKey( "Registry", PdfString("Adobe") );
pCIDSystemInfo->GetDictionary().AddKey( "Ordering", PdfString("Identity") );
pCIDSystemInfo->GetDictionary().AddKey( "Supplement", PdfVariant(static_cast<pdf_int64>(0LL)) );
// Setting the FontDescriptor paras:
array.Clear();
m_pMetrics->GetBoundingBox( array );
pDescriptor->GetDictionary().AddKey( "FontName", this->GetBaseFont() );
pDescriptor->GetDictionary().AddKey( PdfName::KeyFlags, PdfVariant( static_cast<pdf_int64>(32LL) ) ); // TODO: 0 ????
pDescriptor->GetDictionary().AddKey( "FontBBox", array );
pDescriptor->GetDictionary().AddKey( "ItalicAngle", PdfVariant( static_cast<pdf_int64>(m_pMetrics->GetItalicAngle()) ) );
pDescriptor->GetDictionary().AddKey( "Ascent", m_pMetrics->GetPdfAscent() );
pDescriptor->GetDictionary().AddKey( "Descent", m_pMetrics->GetPdfDescent() );
pDescriptor->GetDictionary().AddKey( "CapHeight", m_pMetrics->GetPdfAscent() ); // m_pMetrics->CapHeight() );
pDescriptor->GetDictionary().AddKey( "StemV", PdfVariant( static_cast<pdf_int64>(1LL) ) ); // m_pMetrics->StemV() );
// Peter Petrov 24 September 2008
m_pDescriptor = pDescriptor;
if( bEmbed )
{
this->EmbedFont( pDescriptor );
m_bWasEmbedded = true;
}
}