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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: pdffontcache.cxx,v $
* $Revision: 1.7 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "precompiled_vcl.hxx"
#include "pdffontcache.hxx"
#include <vcl/salgdi.hxx>
#include <vcl/outfont.hxx>
#include <vcl/sallayout.hxx>
using namespace vcl;
PDFFontCache::FontIdentifier::FontIdentifier( const ImplFontData* pFont, bool bVertical ) :
m_nFontId( pFont->GetFontId() ),
m_nMagic( pFont->GetFontMagic() ),
m_bVertical( bVertical )
{
}
PDFFontCache::FontData& PDFFontCache::getFont( const ImplFontData* pFont, bool bVertical )
{
FontIdentifier aId( pFont, bVertical );
FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
if( it != m_aFontToIndex.end() )
return m_aFonts[ it->second ];
m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
m_aFonts.push_back( FontData() );
return m_aFonts.back();
}
sal_Int32 PDFFontCache::getGlyphWidth( const ImplFontData* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
{
sal_Int32 nWidth = 0;
FontData& rFontData( getFont( pFont, bVertical ) );
if( rFontData.m_nWidths.empty() )
{
pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
}
if( ! rFontData.m_nWidths.empty() )
{
sal_GlyphId nIndex = nGlyph;
if( (nGlyph & GF_ISCHAR) != 0 )
{
const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
// allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
if( it == rFontData.m_aGlyphIdToIndex.end()
&& pFont->IsSymbolFont()
&& (cCode < 0x0100) )
it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
}
nIndex &= GF_IDXMASK;
if( nIndex < rFontData.m_nWidths.size() )
nWidth = rFontData.m_nWidths[ nIndex ];
}
return nWidth;
}
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