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             : #include <sal/types.h>
      21             : 
      22             : #include "outfont.hxx"
      23             : #include "PhysicalFontFace.hxx"
      24             : #include "salgdi.hxx"
      25             : #include "sallayout.hxx"
      26             : 
      27             : #include "pdffontcache.hxx"
      28             : 
      29             : using namespace vcl;
      30             : 
      31           0 : PDFFontCache::FontIdentifier::FontIdentifier( const PhysicalFontFace* pFont, bool bVertical ) :
      32           0 :     m_nFontId( pFont->GetFontId() ),
      33           0 :     m_nMagic( pFont->GetFontMagic() ),
      34           0 :     m_bVertical( bVertical )
      35             : {
      36           0 : }
      37             : 
      38           0 : PDFFontCache::FontData& PDFFontCache::getFont( const PhysicalFontFace* pFont, bool bVertical )
      39             : {
      40           0 :     FontIdentifier aId( pFont, bVertical );
      41           0 :     FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
      42           0 :     if( it != m_aFontToIndex.end() )
      43           0 :         return m_aFonts[ it->second ];
      44           0 :     m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
      45           0 :     m_aFonts.push_back( FontData() );
      46           0 :     return m_aFonts.back();
      47             : }
      48             : 
      49           0 : sal_Int32 PDFFontCache::getGlyphWidth( const PhysicalFontFace* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
      50             : {
      51           0 :     sal_Int32 nWidth = 0;
      52           0 :     FontData& rFontData( getFont( pFont, bVertical ) );
      53           0 :     if( rFontData.m_nWidths.empty() )
      54             :     {
      55           0 :         pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
      56             :     }
      57           0 :     if( ! rFontData.m_nWidths.empty() )
      58             :     {
      59           0 :         sal_GlyphId nIndex = nGlyph;
      60           0 :         if( (nGlyph & GF_ISCHAR) != 0 )
      61             :         {
      62           0 :             const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
      63           0 :             Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
      64             : 
      65             :             // allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
      66           0 :             if( it == rFontData.m_aGlyphIdToIndex.end()
      67           0 :             &&  pFont->IsSymbolFont()
      68           0 :             &&  (cCode < 0x0100) )
      69           0 :                 it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
      70             : 
      71           0 :             nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
      72             :         }
      73           0 :         nIndex &= GF_IDXMASK;
      74           0 :         if( nIndex < rFontData.m_nWidths.size() )
      75           0 :             nWidth = rFontData.m_nWidths[ nIndex ];
      76             :     }
      77           0 :     return nWidth;
      78           3 : }
      79             : 
      80             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */