diff options
Diffstat (limited to 'vcl/source/gdi/pdfwriter_impl.cxx')
| -rw-r--r-- | vcl/source/gdi/pdfwriter_impl.cxx | 238 |
1 files changed, 215 insertions, 23 deletions
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx index dd2f4a62c88d..4146f1764204 100644 --- a/vcl/source/gdi/pdfwriter_impl.cxx +++ b/vcl/source/gdi/pdfwriter_impl.cxx @@ -2847,6 +2847,121 @@ static bool getPfbSegmentLengths( const unsigned char* pFontBytes, int nByteLen, return true; } +std::map< sal_Int32, sal_Int32 > PDFWriterImpl::emitSystemFont( const ImplFontData* pFont, EmbedFont& rEmbed ) +{ + std::map< sal_Int32, sal_Int32 > aRet; + if( isBuiltinFont( pFont ) ) + { + aRet[ rEmbed.m_nNormalFontID ] = emitBuiltinFont( pFont ); + return aRet; + } + + sal_Int32 nFontObject = 0; + sal_Int32 nFontDescriptor = 0; + rtl::OString aSubType( "/Type1" ); + FontSubsetInfo aInfo; + // fill in dummy values + aInfo.m_nAscent = 1000; + aInfo.m_nDescent = 200; + aInfo.m_nCapHeight = 1000; + aInfo.m_aFontBBox = Rectangle( Point( -200, -200 ), Size( 1700, 1700 ) ); + aInfo.m_aPSName = pFont->maName; + sal_Int32 pWidths[256]; + rtl_zeroMemory( pWidths, sizeof(pWidths) ); + if( pFont->IsEmbeddable() ) + { + const unsigned char* pFontData = NULL; + long nFontLen = 0; + sal_Ucs nEncodedCodes[256]; + sal_Int32 pEncWidths[256]; + if( (pFontData = (const unsigned char*)m_pReferenceDevice->mpGraphics->GetEmbedFontData( pFont, nEncodedCodes, pEncWidths, aInfo, &nFontLen )) != NULL ) + { + m_pReferenceDevice->mpGraphics->FreeEmbedFontData( pFontData, nFontLen ); + for( int i = 0; i < 256; i++ ) + { + if( nEncodedCodes[i] >= 32 && nEncodedCodes[i] < 256 ) + { + pWidths[i] = pEncWidths[ i ]; + } + } + } + } + else if( pFont->mbSubsettable ) + { + aSubType = rtl::OString( "/TrueType" ); + Int32Vector aGlyphWidths; + Ucs2UIntMap aUnicodeMap; + m_pReferenceDevice->mpGraphics->GetGlyphWidths( pFont, false, aGlyphWidths, aUnicodeMap ); + + OUString aTmpName; + osl_createTempFile( NULL, NULL, &aTmpName.pData ); + sal_Int32 pGlyphIDs[ 256 ]; + sal_uInt8 pEncoding[ 256 ]; + sal_Ucs pUnicodes[ 256 ]; + sal_Int32 pDuWidths[ 256 ]; + + memset( pGlyphIDs, 0, sizeof( pGlyphIDs ) ); + memset( pEncoding, 0, sizeof( pEncoding ) ); + memset( pUnicodes, 0, sizeof( pUnicodes ) ); + memset( pDuWidths, 0, sizeof( pDuWidths ) ); + + for( sal_Ucs c = 32; c < 256; c++ ) + { + pUnicodes[c] = c; + pEncoding[c] = c; + pGlyphIDs[c] = 0; + if( aUnicodeMap.find( c ) != aUnicodeMap.end() ) + pWidths[ c ] = aGlyphWidths[ aUnicodeMap[ c ] ]; + } + + m_pReferenceDevice->mpGraphics->CreateFontSubset( aTmpName, pFont, pGlyphIDs, pEncoding, pDuWidths, 256, aInfo ); + osl_removeFile( aTmpName.pData ); + } + else + { + DBG_ERROR( "system font neither embeddable nor subsettable" ); + } + + // write font descriptor + nFontDescriptor = emitFontDescriptor( pFont, aInfo, 0, 0 ); + if( nFontDescriptor ) + { + // write font object + sal_Int32 nObject = createObject(); + if( updateObject( nObject ) ) + { + OStringBuffer aLine( 1024 ); + aLine.append( nObject ); + aLine.append( " 0 obj\n" + "<</Type/Font/Subtype" ); + aLine.append( aSubType ); + aLine.append( "/BaseFont/" ); + appendName( aInfo.m_aPSName, aLine ); + aLine.append( "\n" ); + if( !pFont->mbSymbolFlag ) + aLine.append( "/Encoding/WinAnsiEncoding\n" ); + aLine.append( "/FirstChar 32 /LastChar 255\n" + "/Widths[" ); + for( int i = 32; i < 256; i++ ) + { + aLine.append( pWidths[i] ); + aLine.append( ((i&15) == 15) ? "\n" : " " ); + } + aLine.append( "]\n" + "/FontDescriptor " ); + aLine.append( nFontDescriptor ); + aLine.append( " 0 R>>\n" + "endobj\n\n" ); + writeBuffer( aLine.getStr(), aLine.getLength() ); + + nFontObject = nObject; + aRet[ rEmbed.m_nNormalFontID ] = nObject; + } + } + + return aRet; +} + // TODO: always subset instead of embedding the full font => this method becomes obsolete then std::map< sal_Int32, sal_Int32 > PDFWriterImpl::emitEmbeddedFont( const ImplFontData* pFont, EmbedFont& rEmbed ) { @@ -3606,24 +3721,28 @@ sal_Int32 PDFWriterImpl::emitFontDescriptor( const ImplFontData* pFont, FontSubs // According to PDF reference 1.4 StemV is required // seems a tad strange to me, but well ... aLine.append( "\n" - "/StemV 80\n" - "/FontFile" ); - switch( rInfo.m_nFontType ) + "/StemV 80\n" ); + if( nFontStream ) { - case FontSubsetInfo::SFNT_TTF: - aLine.append( '2' ); - break; - case FontSubsetInfo::TYPE1_PFA: - case FontSubsetInfo::TYPE1_PFB: - case FontSubsetInfo::ANY_TYPE1: - break; - default: - DBG_ERROR( "unknown fonttype in PDF font descriptor" ); - return 0; + aLine.append( "/FontFile" ); + switch( rInfo.m_nFontType ) + { + case FontSubsetInfo::SFNT_TTF: + aLine.append( '2' ); + break; + case FontSubsetInfo::TYPE1_PFA: + case FontSubsetInfo::TYPE1_PFB: + case FontSubsetInfo::ANY_TYPE1: + break; + default: + DBG_ERROR( "unknown fonttype in PDF font descriptor" ); + return 0; + } + aLine.append( ' ' ); + aLine.append( nFontStream ); + aLine.append( " 0 R\n" ); } - aLine.append( ' ' ); - aLine.append( nFontStream ); - aLine.append( " 0 R>>\n" + aLine.append( ">>\n" "endobj\n\n" ); CHECK_RETURN( writeBuffer( aLine.getStr(), aLine.getLength() ) ); @@ -3880,6 +3999,17 @@ bool PDFWriterImpl::emitFonts() } } + // emit system fonts + for( FontEmbedData::iterator sit = m_aSystemFonts.begin(); sit != m_aSystemFonts.end(); ++sit ) + { + std::map< sal_Int32, sal_Int32 > aObjects = emitSystemFont( sit->first, sit->second ); + for( std::map< sal_Int32, sal_Int32 >::iterator fit = aObjects.begin(); fit != aObjects.end(); ++fit ) + { + CHECK_RETURN( fit->second ); + aFontIDToObject[ fit->first ] = fit->second; + } + } + OStringBuffer aFontDict( 1024 ); aFontDict.append( getFontDictObject() ); aFontDict.append( " 0 obj\n" @@ -4580,13 +4710,25 @@ void PDFWriterImpl::createDefaultEditAppearance( PDFWidget& rEdit, const PDFWrit // prepare font to use, draw field border Font aFont = drawFieldBorder( rEdit, rWidget, rSettings ); - sal_Int32 nBest = getBestBuiltinFont( aFont ); + sal_Int32 nBest = m_aContext.FieldsUseSystemFonts ? getSystemFont( aFont ): getBestBuiltinFont( aFont ); // prepare DA string OStringBuffer aDA( 32 ); appendNonStrokingColor( replaceColor( rWidget.TextColor, rSettings.GetFieldTextColor() ), aDA ); aDA.append( ' ' ); - aDA.append( m_aBuiltinFonts[nBest].getNameObject() ); + if( m_aContext.FieldsUseSystemFonts ) + { + aDA.append( "/F" ); + aDA.append( nBest ); + + OStringBuffer aDR( 32 ); + aDR.append( "/Font " ); + aDR.append( getFontDictObject() ); + aDR.append( " 0 R" ); + rEdit.m_aDRDict = aDR.makeStringAndClear(); + } + else + aDA.append( m_aBuiltinFonts[nBest].getNameObject() ); aDA.append( ' ' ); m_aPages[ m_nCurrentPage ].appendMappedLength( sal_Int32( aFont.GetHeight() ), aDA ); aDA.append( " Tf" ); @@ -4620,7 +4762,7 @@ void PDFWriterImpl::createDefaultListBoxAppearance( PDFWidget& rBox, const PDFWr // prepare font to use, draw field border Font aFont = drawFieldBorder( rBox, rWidget, rSettings ); - sal_Int32 nBest = getBestBuiltinFont( aFont ); + sal_Int32 nBest = m_aContext.FieldsUseSystemFonts ? getSystemFont( aFont ): getBestBuiltinFont( aFont ); beginRedirect( pListBoxStream, rBox.m_aRect ); OStringBuffer aAppearance( 64 ); @@ -4668,9 +4810,22 @@ void PDFWriterImpl::createDefaultListBoxAppearance( PDFWidget& rBox, const PDFWr aDA.append( " 2 Tr " ); } #endif + // prepare DA string appendNonStrokingColor( replaceColor( rWidget.TextColor, rSettings.GetFieldTextColor() ), aDA ); aDA.append( ' ' ); - aDA.append( m_aBuiltinFonts[nBest].getNameObject() ); + if( m_aContext.FieldsUseSystemFonts ) + { + aDA.append( "/F" ); + aDA.append( nBest ); + + OStringBuffer aDR( 32 ); + aDR.append( "/Font " ); + aDR.append( getFontDictObject() ); + aDR.append( " 0 R" ); + rBox.m_aDRDict = aDR.makeStringAndClear(); + } + else + aDA.append( m_aBuiltinFonts[nBest].getNameObject() ); aDA.append( ' ' ); m_aPages[ m_nCurrentPage ].appendMappedLength( sal_Int32( aFont.GetHeight() ), aDA ); aDA.append( " Tf" ); @@ -5247,9 +5402,18 @@ bool PDFWriterImpl::emitWidgetAnnotations() } if( rWidget.m_aDAString.getLength() ) { - aLine.append( "/DR<</Font<<" ); - appendBuiltinFontsToDict( aLine ); - aLine.append( ">>>>\n" ); + if( rWidget.m_aDRDict.getLength() ) + { + aLine.append( "/DR<<" ); + aLine.append( rWidget.m_aDRDict ); + aLine.append( ">>\n" ); + } + else + { + aLine.append( "/DR<</Font<<" ); + appendBuiltinFontsToDict( aLine ); + aLine.append( ">>>>\n" ); + } aLine.append( "/DA" ); appendLiteralStringEncrypt( rWidget.m_aDAString, rWidget.m_nObject, aLine ); aLine.append( "\n" ); @@ -6390,6 +6554,29 @@ std::set< PDFWriter::ErrorCode > PDFWriterImpl::getErrors() return m_aErrors; } +sal_Int32 PDFWriterImpl::getSystemFont( const Font& i_rFont ) +{ + getReferenceDevice()->Push(); + getReferenceDevice()->SetFont( i_rFont ); + getReferenceDevice()->ImplNewFont(); + + const ImplFontData* pDevFont = m_pReferenceDevice->mpFontEntry->maFontSelData.mpFontData; + sal_Int32 nFontID = 0; + FontEmbedData::iterator it = m_aSystemFonts.find( pDevFont ); + if( it != m_aSystemFonts.end() ) + nFontID = it->second.m_nNormalFontID; + else + { + nFontID = m_nNextFID++; + m_aSystemFonts[ pDevFont ] = EmbedFont(); + m_aSystemFonts[ pDevFont ].m_nNormalFontID = nFontID; + } + + getReferenceDevice()->Pop(); + getReferenceDevice()->ImplNewFont(); + + return nFontID; +} void PDFWriterImpl::registerGlyphs( int nGlyphs, sal_GlyphId* pGlyphs, @@ -10145,12 +10332,17 @@ void PDFWriterImpl::setFont( const Font& rFont ) void PDFWriterImpl::push( sal_uInt16 nFlags ) { + OSL_ENSURE( m_aGraphicsStack.size() > 0, "invalid graphics stack" ); m_aGraphicsStack.push_front( m_aGraphicsStack.front() ); m_aGraphicsStack.front().m_nFlags = nFlags; } void PDFWriterImpl::pop() { + OSL_ENSURE( m_aGraphicsStack.size() > 1, "pop without push" ); + if( m_aGraphicsStack.size() < 2 ) + return; + GraphicsState aState = m_aGraphicsStack.front(); m_aGraphicsStack.pop_front(); GraphicsState& rOld = m_aGraphicsStack.front(); |