vcl/source/gdi/pdffontcache.cxx

   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 <typeinfo>
  21
  22 #include <sal/types.h>
  23
  24 #include <PhysicalFontFace.hxx>
  25 #include <salgdi.hxx>
  26
  27 #include "pdffontcache.hxx"
  28
  29 using namespace vcl;
  30
  31 PDFFontCache::FontIdentifier::FontIdentifier( const PhysicalFontFace* pFont, bool bVertical ) :
  32     m_nFontId( pFont->GetFontId() ),
  33     m_bVertical( bVertical ),
  34     m_typeFontFace( const_cast<std::type_info*>(&typeid(pFont)) )
  35 {
  36 }
  37
  38 PDFFontCache::FontData& PDFFontCache::getFont( const PhysicalFontFace* pFont, bool bVertical )
  39 {
  40     FontIdentifier aId( pFont, bVertical );
  41     FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
  42     if( it != m_aFontToIndex.end() )
  43         return m_aFonts[ it->second ];
  44     m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
  45     m_aFonts.emplace_back( );
  46     return m_aFonts.back();
  47 }
  48
  49 sal_Int32 PDFFontCache::getGlyphWidth( const PhysicalFontFace* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
  50 {
  51     sal_Int32 nWidth = 0;
  52     FontData& rFontData( getFont( pFont, bVertical ) );
  53     if( rFontData.m_nWidths.empty() )
  54     {
  55         pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
  56     }
  57     if( ! rFontData.m_nWidths.empty() )
  58     {
  59         if (nGlyph < rFontData.m_nWidths.size())
  60             nWidth = rFontData.m_nWidths[nGlyph];
  61     }
  62     return nWidth;
  63 }
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */