Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "pdffontcache.hxx"
      22             : #include <salgdi.hxx>
      23             : #include <outfont.hxx>
      24             : #include <sallayout.hxx>
      25             : 
      26             : using namespace vcl;
      27             : 
      28           0 : PDFFontCache::FontIdentifier::FontIdentifier( const PhysicalFontFace* pFont, bool bVertical ) :
      29           0 :     m_nFontId( pFont->GetFontId() ),
      30           0 :     m_nMagic( pFont->GetFontMagic() ),
      31           0 :     m_bVertical( bVertical )
      32             : {
      33           0 : }
      34             : 
      35           0 : PDFFontCache::FontData& PDFFontCache::getFont( const PhysicalFontFace* pFont, bool bVertical )
      36             : {
      37           0 :     FontIdentifier aId( pFont, bVertical );
      38           0 :     FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
      39           0 :     if( it != m_aFontToIndex.end() )
      40           0 :         return m_aFonts[ it->second ];
      41           0 :     m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
      42           0 :     m_aFonts.push_back( FontData() );
      43           0 :     return m_aFonts.back();
      44             : }
      45             : 
      46           0 : sal_Int32 PDFFontCache::getGlyphWidth( const PhysicalFontFace* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
      47             : {
      48           0 :     sal_Int32 nWidth = 0;
      49           0 :     FontData& rFontData( getFont( pFont, bVertical ) );
      50           0 :     if( rFontData.m_nWidths.empty() )
      51             :     {
      52           0 :         pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
      53             :     }
      54           0 :     if( ! rFontData.m_nWidths.empty() )
      55             :     {
      56           0 :         sal_GlyphId nIndex = nGlyph;
      57           0 :         if( (nGlyph & GF_ISCHAR) != 0 )
      58             :         {
      59           0 :             const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
      60           0 :             Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
      61             : 
      62             :             // allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
      63           0 :             if( it == rFontData.m_aGlyphIdToIndex.end()
      64           0 :             &&  pFont->IsSymbolFont()
      65             :             &&  (cCode < 0x0100) )
      66           0 :                 it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
      67             : 
      68           0 :             nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
      69             :         }
      70           0 :         nIndex &= GF_IDXMASK;
      71           0 :         if( nIndex < rFontData.m_nWidths.size() )
      72           0 :             nWidth = rFontData.m_nWidths[ nIndex ];
      73             :     }
      74           0 :     return nWidth;
      75             : }
      76             : 
      77             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */