PdfOutputDevice::PdfOutputDevice( const char* pszFilename, bool bTruncate )
{
this->Init();
if( !pszFilename )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
std::ios_base::openmode openmode = std::fstream::binary | std::ios_base::in | std::ios_base::out;
if( bTruncate )
openmode |= std::ios_base::trunc;
std::fstream *pStream = new std::fstream( pszFilename, openmode );
if( pStream->fail() )
{
delete pStream;
PODOFO_RAISE_ERROR_INFO( ePdfError_FileNotFound, pszFilename );
}
m_pStream = pStream;
m_pReadStream = pStream;
PdfLocaleImbue( *m_pStream );
if( !bTruncate )
{
m_pStream->seekp( 0, std::ios_base::end );
m_ulPosition = m_pStream->tellp();
m_ulLength = m_ulPosition;
}
}
PdfOutputDevice::PdfOutputDevice( const char* pszFilename )
{
this->Init();
if( !pszFilename )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
std::fstream *pStream = new std::fstream(pszFilename, std::fstream::binary|std::ios_base::in | std::ios_base::out | std::ios_base::trunc);
if(pStream->fail()) {
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
m_pStream = pStream;
m_pReadStream = pStream;
PdfLocaleImbue(*m_pStream);
/*
m_hFile = fopen( pszFilename, "wb" );
if( !m_hFile )
{
PODOFO_RAISE_ERROR_INFO( ePdfError_FileNotFound, pszFilename );
}
*/
}
PdfOutputDevice::PdfOutputDevice( const std::ostream* pOutStream )
{
this->Init();
m_pStream = const_cast< std::ostream* >( pOutStream );
m_pStreamOwned = false;
m_pStreamSavedLocale = m_pStream->getloc();
PdfLocaleImbue(*m_pStream);
}
PdfInputDevice::PdfInputDevice( const std::istream* pInStream )
{
this->Init();
m_pStream = const_cast< std::istream* >( pInStream );
if( !m_pStream->good() )
{
PODOFO_RAISE_ERROR( ePdfError_FileNotFound );
}
PdfLocaleImbue(*m_pStream);
}
PdfXObject::PdfXObject( const char* pszSubType, PdfVecObjects* pParent )
: PdfElement( "XObject", pParent )
{
ostringstream out;
PdfLocaleImbue(out);
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /XOb for XObject.
out << "XOb" << m_pObject->Reference().ObjectNumber();
m_Identifier = PdfName( out.str().c_str() );
m_Reference = m_pObject->Reference();
m_pObject->GetDictionary().AddKey( PdfName::KeySubtype, PdfName( pszSubType ) );
}
PdfExtGState::PdfExtGState( PdfDocument* pParent )
: PdfElement( "ExtGState", pParent )
{
std::ostringstream out;
// We probably aren't doing anything locale sensitive here, but it's
// best to be sure.
PdfLocaleImbue(out);
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /Ft for fonts.
out << "ExtGS" << m_pObject->Reference().ObjectNumber();
m_Identifier = PdfName( out.str().c_str() );
this->Init();
}
PdfXObject::PdfXObject( PdfObject* pObject )
: PdfElement( "XObject", pObject ), PdfCanvas()
{
ostringstream out;
PdfLocaleImbue(out);
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /XOb for XObject.
out << "XOb" << m_pObject->Reference().ObjectNumber();
m_pResources = pObject->GetIndirectKey( "Resources" );
m_Identifier = PdfName( out.str().c_str() );
m_rRect = PdfRect( m_pObject->GetIndirectKey( "BBox" )->GetArray() );
m_Reference = m_pObject->Reference();
}
PdfXObject::PdfXObject( const char* pszSubType, PdfObject* pObject )
: PdfElement( "XObject", pObject )
{
ostringstream out;
PdfLocaleImbue(out);
if( m_pObject->GetDictionary().GetKeyAsName( PdfName::KeySubtype ) != pszSubType )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidDataType );
}
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /XOb for XObject.
out << "XOb" << m_pObject->Reference().ObjectNumber();
m_Identifier = PdfName( out.str().c_str() );
m_Reference = m_pObject->Reference();
}
PdfTilingPattern::PdfTilingPattern( EPdfTilingPatternType eTilingType,
double strokeR, double strokeG, double strokeB,
bool doFill, double fillR, double fillG, double fillB,
double offsetX, double offsetY,
PdfImage *pImage,
PdfVecObjects* pParent)
: PdfElement( "Pattern", pParent )
{
std::ostringstream out;
// We probably aren't doing anything locale sensitive here, but it's
// best to be sure.
PdfLocaleImbue(out);
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /Ft for fonts.
out << "Ptrn" << this->GetObject()->Reference().ObjectNumber();
m_Identifier = PdfName( out.str().c_str() );
this->Init( eTilingType, strokeR, strokeG, strokeB,
doFill, fillR, fillG, fillB, offsetX, offsetY, pImage);
}
void PdfFont::InitVars()
{
ostringstream out;
PdfLocaleImbue(out);
m_pMetrics->SetFontSize( 12.0 );
m_pMetrics->SetFontScale( 100.0 );
m_pMetrics->SetFontCharSpace( 0.0 );
// Peter Petrov 24 Spetember 2008
m_bWasEmbedded = false;
m_bUnderlined = false;
m_bStrikedOut = false;
// Implementation note: the identifier is always
// Prefix+ObjectNo. Prefix is /Ft for fonts.
out << "Ft" << m_pObject->Reference().ObjectNumber();
m_Identifier = PdfName( out.str().c_str() );
// replace all spaces in the base font name as suggested in
// the PDF reference section 5.5.2#
int curPos = 0;
std::string sTmp = m_pMetrics->GetFontname();
const char* pszPrefix = m_pMetrics->GetSubsetFontnamePrefix();
if( pszPrefix )
{
std::string sPrefix = pszPrefix;
sTmp = sPrefix + sTmp;
}
for(unsigned int i = 0; i < sTmp.size(); i++)
{
if(sTmp[i] != ' ')
sTmp[curPos++] = sTmp[i];
}
sTmp.resize(curPos);
m_BaseFont = PdfName( sTmp.c_str() );
}
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 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() ) );
}
}
PdfInputDevice::PdfInputDevice( const char* pBuffer, size_t lLen )
{
this->Init();
if( !pBuffer )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
try {
m_pStream = static_cast< std::istream* >(
new std::istringstream( std::string( pBuffer, lLen ), std::ios::binary ) );
if( !m_pStream || !m_pStream->good() )
{
PODOFO_RAISE_ERROR( ePdfError_FileNotFound );
}
m_StreamOwned = true;
}
catch(...) {
// should probably check the exact error, but for now it's a good error
PODOFO_RAISE_ERROR( ePdfError_FileNotFound );
}
PdfLocaleImbue(*m_pStream);
}
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);
}
