/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_filter.hxx" #include "svgfontexport.hxx" #include static const sal_Int32 nFontEM = 2048; // ----------------- // - SVGFontExport - // ----------------- SVGFontExport::SVGFontExport( SVGExport& rExport, const ::std::vector< ObjectRepresentation >& rObjects ) : mrExport( rExport ), maObjects( rObjects ), mnCurFontId( 0 ) { } // ----------------------------------------------------------------------------- SVGFontExport::~SVGFontExport() { } // ----------------------------------------------------------------------------- SVGFontExport::GlyphSet& SVGFontExport::implGetGlyphSet( const Font& rFont ) { FontWeight eWeight( WEIGHT_NORMAL ); FontItalic eItalic( ITALIC_NONE ); ::rtl::OUString aFontName( rFont.GetName() ); sal_Int32 nNextTokenPos( 0 ); switch( rFont.GetWeight() ) { case WEIGHT_BOLD: case WEIGHT_ULTRABOLD: case WEIGHT_BLACK: eWeight = WEIGHT_BOLD; break; default: break; } if( rFont.GetItalic() != ITALIC_NONE ) eItalic = ITALIC_NORMAL; return( maGlyphTree[ aFontName.getToken( 0, ';', nNextTokenPos ) ][ eWeight ][ eItalic ] ); } // ----------------------------------------------------------------------------- void SVGFontExport::implCollectGlyphs() { VirtualDevice aVDev; ObjectVector::const_iterator aIter( maObjects.begin() ); aVDev.EnableOutput( sal_False ); while( aIter != maObjects.end() ) { if( (*aIter).HasRepresentation() ) { const GDIMetaFile& rMtf = (*aIter).GetRepresentation(); aVDev.Push(); for( sal_uInt32 i = 0, nCount = rMtf.GetActionCount(); i < nCount; ++i ) { ::rtl::OUString aText; MetaAction* pAction = rMtf.GetAction( i ); const sal_uInt16 nType = pAction->GetType(); switch( nType ) { case( META_TEXT_ACTION ): { const MetaTextAction* pA = (const MetaTextAction*) pAction; aText = String( pA->GetText(), pA->GetIndex(), pA->GetLen() ); } break; case( META_TEXTRECT_ACTION ): { const MetaTextRectAction* pA = (const MetaTextRectAction*) pAction; aText = pA->GetText(); } break; case( META_TEXTARRAY_ACTION ): { const MetaTextArrayAction* pA = (const MetaTextArrayAction*) pAction; aText = String( pA->GetText(), pA->GetIndex(), pA->GetLen() ); } break; case( META_STRETCHTEXT_ACTION ): { const MetaStretchTextAction* pA = (const MetaStretchTextAction*) pAction; aText = String( pA->GetText(), pA->GetIndex(), pA->GetLen() ); } break; default: pAction->Execute( &aVDev ); break; } if( aText.getLength() ) { GlyphSet& rGlyphSet = implGetGlyphSet( aVDev.GetFont() ); ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator > xBI( ::vcl::unohelper::CreateBreakIterator() ); if( xBI.is() ) { const ::com::sun::star::lang::Locale& rLocale = Application::GetSettings().GetLocale(); sal_Int32 nCurPos = 0, nLastPos = -1; while( ( nCurPos < aText.getLength() ) && ( nCurPos > nLastPos ) ) { sal_Int32 nCount2 = 1; nLastPos = nCurPos; nCurPos = xBI->nextCharacters( aText, nCurPos, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, nCount2, nCount2 ); rGlyphSet.insert( aText.copy( nLastPos, nCurPos - nLastPos ) ); } } else { const sal_Unicode* pStr = aText.getStr(); for( sal_uInt32 k = 0, nLen = aText.getLength(); k < nLen; ++k ) rGlyphSet.insert( rtl::OUString( pStr[ k ] ) ); } } } aVDev.Pop(); } ++aIter; } } // ----------------------------------------------------------------------------- void SVGFontExport::implEmbedFont( const Font& rFont ) { if( mrExport.IsEmbedFonts() ) { GlyphSet& rGlyphSet = implGetGlyphSet( rFont ); if( !rGlyphSet.empty() ) { GlyphSet::const_iterator aIter( rGlyphSet.begin() ); const ::rtl::OUString aEmbeddedFontStr( B2UCONST( "EmbeddedFont_" ) ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "defs", sal_True, sal_True ); ::rtl::OUString aCurIdStr( aEmbeddedFontStr ); ::rtl::OUString aUnitsPerEM( ::rtl::OUString::valueOf( nFontEM ) ); VirtualDevice aVDev; Font aFont( rFont ); aFont.SetSize( Size( 0, nFontEM ) ); aFont.SetAlign( ALIGN_BASELINE ); aVDev.SetMapMode( MAP_100TH_MM ); aVDev.SetFont( aFont ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "id", aCurIdStr += ::rtl::OUString::valueOf( ++mnCurFontId ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "horiz-adv-x", aUnitsPerEM ); { SvXMLElementExport aExp2( mrExport, XML_NAMESPACE_NONE, "font", sal_True, sal_True ); ::rtl::OUString aFontWeight; ::rtl::OUString aFontStyle; const Size aSize( nFontEM, nFontEM ); // Font Weight if( aFont.GetWeight() != WEIGHT_NORMAL ) aFontWeight = B2UCONST( "bold" ); else aFontWeight = B2UCONST( "normal" ); // Font Italic if( aFont.GetItalic() != ITALIC_NONE ) aFontStyle = B2UCONST( "italic" ); else aFontStyle = B2UCONST( "normal" ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "font-family", GetMappedFontName( rFont.GetName() ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "units-per-em", aUnitsPerEM ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "font-weight", aFontWeight ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "font-style", aFontStyle ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "ascent", ::rtl::OUString::valueOf( aVDev.GetFontMetric().GetAscent() ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "descent", ::rtl::OUString::valueOf( aVDev.GetFontMetric().GetDescent() ) ); { SvXMLElementExport aExp3( mrExport, XML_NAMESPACE_NONE, "font-face", sal_True, sal_True ); } mrExport.AddAttribute( XML_NAMESPACE_NONE, "horiz-adv-x", ::rtl::OUString::valueOf( aSize.Width() ) ); { const Point aPos; const PolyPolygon aMissingGlyphPolyPoly( Rectangle( aPos, aSize ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "d", SVGActionWriter::GetPathString( aMissingGlyphPolyPoly, sal_False ) ); { SvXMLElementExport aExp4( mrExport, XML_NAMESPACE_NONE, "missing-glyph", sal_True, sal_True ); } } while( aIter != rGlyphSet.end() ) { implEmbedGlyph( aVDev, *aIter ); ++aIter; } } } } } } // ----------------------------------------------------------------------------- void SVGFontExport::implEmbedGlyph( OutputDevice& rOut, const ::rtl::OUString& rCellStr ) { PolyPolygon aPolyPoly; const sal_Unicode nSpace = ' '; if( rOut.GetTextOutline( aPolyPoly, rCellStr ) ) { Rectangle aBoundRect; aPolyPoly.Scale( 1.0, -1.0 ); if( !rOut.GetTextBoundRect( aBoundRect, rCellStr ) ) aBoundRect = Rectangle( Point( 0, 0 ), Size( rOut.GetTextWidth( rCellStr ), 0 ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "unicode", rCellStr ); if( rCellStr[ 0 ] == nSpace && rCellStr.getLength() == 1 ) aBoundRect = Rectangle( Point( 0, 0 ), Size( rOut.GetTextWidth( sal_Unicode( ' ' ) ), 0 ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "horiz-adv-x", ::rtl::OUString::valueOf( aBoundRect.GetWidth() ) ); const ::rtl::OUString aPathString( SVGActionWriter::GetPathString( aPolyPoly, sal_False ) ); if( aPathString.getLength() ) { mrExport.AddAttribute( XML_NAMESPACE_NONE, "d", aPathString ); } { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "glyph", sal_True, sal_True ); } } } // ----------------------------------------------------------------------------- void SVGFontExport::EmbedFonts() { implCollectGlyphs(); GlyphTree::const_iterator aGlyphTreeIter( maGlyphTree.begin() ); while( aGlyphTreeIter != maGlyphTree.end() ) { const FontWeightMap& rFontWeightMap = (*aGlyphTreeIter).second; FontWeightMap::const_iterator aFontWeightIter( rFontWeightMap.begin() ); while( aFontWeightIter != rFontWeightMap.end() ) { const FontItalicMap& rFontItalicMap = (*aFontWeightIter).second; FontItalicMap::const_iterator aFontItalicIter( rFontItalicMap.begin() ); while( aFontItalicIter != rFontItalicMap.end() ) { Font aFont; aFont.SetName( (*aGlyphTreeIter).first ); aFont.SetWeight( (*aFontWeightIter).first ); aFont.SetItalic( (*aFontItalicIter).first ); implEmbedFont( aFont ); ++aFontItalicIter; } ++aFontWeightIter; } ++aGlyphTreeIter; } } // ----------------------------------------------------------------------------- ::rtl::OUString SVGFontExport::GetMappedFontName( const ::rtl::OUString& rFontName ) const { sal_Int32 nNextTokenPos( 0 ); ::rtl::OUString aRet( rFontName.getToken( 0, ';', nNextTokenPos ) ); if( mnCurFontId ) aRet += B2UCONST( " embedded" ); return aRet; }