1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #include "precompiled_vcl.hxx" 29 30 #include "pdffontcache.hxx" 31 #include <salgdi.hxx> 32 #include <outfont.hxx> 33 #include <sallayout.hxx> 34 35 using namespace vcl; 36 37 PDFFontCache::FontIdentifier::FontIdentifier( const ImplFontData* pFont, bool bVertical ) : 38 m_nFontId( pFont->GetFontId() ), 39 m_nMagic( pFont->GetFontMagic() ), 40 m_bVertical( bVertical ) 41 { 42 } 43 44 PDFFontCache::FontData& PDFFontCache::getFont( const ImplFontData* pFont, bool bVertical ) 45 { 46 FontIdentifier aId( pFont, bVertical ); 47 FontToIndexMap::iterator it = m_aFontToIndex.find( aId ); 48 if( it != m_aFontToIndex.end() ) 49 return m_aFonts[ it->second ]; 50 m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size()); 51 m_aFonts.push_back( FontData() ); 52 return m_aFonts.back(); 53 } 54 55 sal_Int32 PDFFontCache::getGlyphWidth( const ImplFontData* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics ) 56 { 57 sal_Int32 nWidth = 0; 58 FontData& rFontData( getFont( pFont, bVertical ) ); 59 if( rFontData.m_nWidths.empty() ) 60 { 61 pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex ); 62 } 63 if( ! rFontData.m_nWidths.empty() ) 64 { 65 sal_GlyphId nIndex = nGlyph; 66 if( (nGlyph & GF_ISCHAR) != 0 ) 67 { 68 const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK); 69 Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode ); 70 71 // allow symbol aliasing U+00xx -> U+F0xx if there is no direct match 72 if( it == rFontData.m_aGlyphIdToIndex.end() 73 && pFont->IsSymbolFont() 74 && (cCode < 0x0100) ) 75 it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 ); 76 77 nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0; 78 } 79 nIndex &= GF_IDXMASK; 80 if( nIndex < rFontData.m_nWidths.size() ) 81 nWidth = rFontData.m_nWidths[ nIndex ]; 82 } 83 return nWidth; 84 } 85 86