/************************************************************************* * * $RCSfile: svgfontexport.cxx,v $ * * $Revision: 1.3 $ * * last change: $Author: ka $ $Date: 2003-12-15 13:57:22 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (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.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ #include "svgfontexport.hxx" static const sal_uInt32 nFontEM = 1024; // ----------------- // - SVGFontExport - // ----------------- SVGFontExport::SVGFontExport( SvXMLExport& rExport, const ::std::vector< ObjectRepresentation >& rObjects ) : mrExport( rExport ), maObjects( rObjects ), mnCurFontId( 0 ) { } // ----------------------------------------------------------------------------- SVGFontExport::~SVGFontExport() { } // ----------------------------------------------------------------------------- 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 USHORT 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() ) { const sal_Unicode* pStr = aText.getStr(); for( sal_uInt32 i = 0, nLen = aText.getLength(); i < nLen; ++i ) maGlyphs[ aVDev.GetFont().GetName() ].insert( pStr[ i ] ); } } aVDev.Pop(); } ++aIter; } } // ----------------------------------------------------------------------------- void SVGFontExport::implEmbedFont( const ::rtl::OUString& rFontName, const ::std::set< sal_Unicode >& rGlyphs ) { ::std::set< sal_Unicode >::const_iterator aIter( rGlyphs.begin() ); const ::rtl::OUString aEmbeddedFontStr( B2UCONST( "EmbeddedFont_" ) ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "defs", TRUE, TRUE ); ::rtl::OUString aCurIdStr( aEmbeddedFontStr ); ::rtl::OUString aUnitsPerEM( SVGActionWriter::GetValueString( nFontEM ) ); VirtualDevice aVDev; Font aFont( rFontName, Size( 0, nFontEM ) ); aVDev.SetMapMode( MAP_100TH_MM ); aFont.SetAlign( ALIGN_BASELINE ); aVDev.SetFont( aFont ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "id", aCurIdStr += SVGActionWriter::GetValueString( ++mnCurFontId ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "horiz-adv-x", aUnitsPerEM ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "font", TRUE, TRUE ); Point aPos; Size aSize( nFontEM >> 1, nFontEM ); PolyPolygon aMissingGlyphPolyPoly( Rectangle( aPos, aSize ) ); aMissingGlyphPolyPoly.Move( 0, -nFontEM ); aMissingGlyphPolyPoly.Scale( 1.0, -1.0 ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "font-family", GetMappedFontName( rFontName ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "units-per-em", aUnitsPerEM ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "ascent", SVGActionWriter::GetValueString( aVDev.GetFontMetric().GetAscent() ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "descent", SVGActionWriter::GetValueString( aVDev.GetFontMetric().GetDescent() ) ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "font-face", TRUE, TRUE ); } mrExport.AddAttribute( XML_NAMESPACE_NONE, "horiz-adv-x", SVGActionWriter::GetValueString( aSize.Width() ) ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "missing-glyph", TRUE, TRUE ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "style", B2UCONST( "fill:none;stroke:black;stroke-width:33" ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "d", SVGActionWriter::GetPathString( aMissingGlyphPolyPoly, sal_False ) ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "path", TRUE, TRUE ); } } while( aIter != rGlyphs.end() ) { implEmbedGlyph( aVDev, ::rtl::OUString( *aIter ) ); ++aIter; } } } } // ----------------------------------------------------------------------------- void SVGFontExport::implEmbedGlyph( OutputDevice& rOut, const ::rtl::OUString& rGlyphs ) { PolyPolygon aPolyPoly; ::rtl::OUString aStr( rGlyphs[ 0 ] ); if( rOut.GetTextOutline( aPolyPoly, aStr ) ) { Rectangle aBoundRect; if( !rOut.GetTextBoundRect( aBoundRect, aStr ) ) aBoundRect = Rectangle( Point( 0, 0 ), Size( rOut.GetTextWidth( aStr ), 0 ) ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "unicode", aStr ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "horiz-adv-x", SVGActionWriter::GetValueString( aBoundRect.GetWidth() ) ); { SvXMLElementExport aExp( mrExport, XML_NAMESPACE_NONE, "glyph", TRUE, TRUE ); aPolyPoly.Scale( 1.0, -1.0 ); mrExport.AddAttribute( XML_NAMESPACE_NONE, "d", SVGActionWriter::GetPathString( aPolyPoly, sal_False ) ); { SvXMLElementExport aElem( mrExport, XML_NAMESPACE_NONE, B2UCONST( "path" ), TRUE, TRUE ); } } } } // ----------------------------------------------------------------------------- void SVGFontExport::EmbedFonts() { implCollectGlyphs(); GlyphMap::const_iterator aIter( maGlyphs.begin() ); while( aIter != maGlyphs.end() ) { implEmbedFont( (*aIter).first, (*aIter).second ); ++aIter; } } // ----------------------------------------------------------------------------- ::rtl::OUString SVGFontExport::GetMappedFontName( const ::rtl::OUString& rFontName ) const { ::rtl::OUString aRet( String( rFontName ).GetToken( 0, ';' ) ); if( mnCurFontId ) aRet += B2UCONST( " embedded" ); return aRet; }