vcl/source/gdi/pdffontcache.hxx

   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 #ifndef INCLUDED_VCL_SOURCE_GDI_PDFFONTCACHE_HXX
  21 #define INCLUDED_VCL_SOURCE_GDI_PDFFONTCACHE_HXX
  22
  23 #include <typeinfo>
  24
  25 #include <sal/types.h>
  26
  27 #include <sallayout.hxx>
  28 #include <salgdi.hxx>
  29
  30 namespace vcl
  31 {
  32     class PDFFontCache
  33     {
  34         struct FontIdentifier
  35         {
  36             sal_IntPtr      m_nFontId;
  37             bool            m_bVertical;
  38             std::type_info* m_typeFontFace;
  39
  40             FontIdentifier( const PhysicalFontFace*, bool bVertical );
  41
  42             // Less than needed for std::set and std::map
  43             bool operator<( const FontIdentifier& rRight ) const
  44             {
  45                 std::type_info *pType = rRight.m_typeFontFace;
  46
  47                 return m_nFontId < rRight.m_nFontId ||
  48                        ( m_nFontId == rRight.m_nFontId &&
  49                        ( m_typeFontFace->before( *pType ) ||
  50                        ( *m_typeFontFace == *pType && m_bVertical < rRight.m_bVertical ) ) );
  51             }
  52         };
  53         struct FontData
  54         {
  55             std::vector< sal_Int32 >  m_nWidths;
  56             Ucs2UIntMap  m_aGlyphIdToIndex;
  57         };
  58         typedef std::map< FontIdentifier, sal_uInt32 > FontToIndexMap;
  59
  60         std::vector< FontData >     m_aFonts;
  61         FontToIndexMap              m_aFontToIndex;
  62
  63         FontData& getFont( const PhysicalFontFace*, bool bVertical );
  64         public:
  65         PDFFontCache() {}
  66
  67         sal_Int32 getGlyphWidth( const PhysicalFontFace*, sal_GlyphId, bool bVertical, SalGraphics* );
  68     };
  69 }
  70
  71 #endif
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */