89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: pdffontcache.cxx,v $
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* $Revision: 1.7 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "precompiled_vcl.hxx"
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#include "pdffontcache.hxx"
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#include <vcl/salgdi.hxx>
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#include <vcl/outfont.hxx>
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#include <vcl/sallayout.hxx>
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using namespace vcl;
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PDFFontCache::FontIdentifier::FontIdentifier( const ImplFontData* pFont, bool bVertical ) :
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m_nFontId( pFont->GetFontId() ),
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m_nMagic( pFont->GetFontMagic() ),
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m_bVertical( bVertical )
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{
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}
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PDFFontCache::FontData& PDFFontCache::getFont( const ImplFontData* pFont, bool bVertical )
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{
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FontIdentifier aId( pFont, bVertical );
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FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
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if( it != m_aFontToIndex.end() )
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return m_aFonts[ it->second ];
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m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
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m_aFonts.push_back( FontData() );
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return m_aFonts.back();
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}
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sal_Int32 PDFFontCache::getGlyphWidth( const ImplFontData* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
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{
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sal_Int32 nWidth = 0;
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FontData& rFontData( getFont( pFont, bVertical ) );
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if( rFontData.m_nWidths.empty() )
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{
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pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
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}
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if( ! rFontData.m_nWidths.empty() )
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{
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sal_GlyphId nIndex = nGlyph;
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if( (nGlyph & GF_ISCHAR) != 0 )
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{
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const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
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Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
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// allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
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if( it == rFontData.m_aGlyphIdToIndex.end()
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&& pFont->IsSymbolFont()
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&& (cCode < 0x0100) )
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it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
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nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
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}
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nIndex &= GF_IDXMASK;
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if( nIndex < rFontData.m_nWidths.size() )
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nWidth = rFontData.m_nWidths[ nIndex ];
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}
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return nWidth;
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}
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