Line data    Source code

       1             : /*  GRAPHITE2 LICENSING
       2             : 
       3             :     Copyright 2010, SIL International
       4             :     All rights reserved.
       5             : 
       6             :     This library is free software; you can redistribute it and/or modify
       7             :     it under the terms of the GNU Lesser General Public License as published
       8             :     by the Free Software Foundation; either version 2.1 of License, or
       9             :     (at your option) any later version.
      10             : 
      11             :     This program is distributed in the hope that it will be useful,
      12             :     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :     Lesser General Public License for more details.
      15             : 
      16             :     You should also have received a copy of the GNU Lesser General Public
      17             :     License along with this library in the file named "LICENSE".
      18             :     If not, write to the Free Software Foundation, 51 Franklin Street,
      19             :     Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
      20             :     internet at http://www.fsf.org/licenses/lgpl.html.
      21             : 
      22             : Alternatively, the contents of this file may be used under the terms of the
      23             : Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
      24             : License, as published by the Free Software Foundation, either version 2
      25             : of the License or (at your option) any later version.
      26             : */
      27             : #pragma once
      28             : 
      29             : #include "inc/Main.h"
      30             : #include "inc/Face.h"
      31             : 
      32             : namespace graphite2 {
      33             : 
      34             : class Face;
      35             : 
      36           0 : class Cmap
      37             : {
      38             : public:
      39             : 
      40           0 :     virtual ~Cmap() throw() {}
      41             : 
      42           0 :     virtual uint16 operator [] (const uint32) const throw() { return 0; }
      43             : 
      44           0 :     virtual operator bool () const throw() { return false; }
      45             : 
      46           0 :     CLASS_NEW_DELETE;
      47             : };
      48             : 
      49           0 : class DirectCmap : public Cmap
      50             : {
      51             :     DirectCmap(const DirectCmap &);
      52             :     DirectCmap & operator = (const DirectCmap &);
      53             : 
      54             : public:
      55             :     DirectCmap(const Face &);
      56             :     virtual uint16 operator [] (const uint32 usv) const throw();
      57             :     virtual operator bool () const throw();
      58             : 
      59           0 :     CLASS_NEW_DELETE;
      60             : private:
      61             :     const Face::Table   _cmap;
      62             :     const void        * _smp,
      63             :                       * _bmp;
      64             : };
      65             : 
      66             : class CachedCmap : public Cmap
      67             : {
      68             :     CachedCmap(const CachedCmap &);
      69             :     CachedCmap & operator = (const CachedCmap &);
      70             : 
      71             : public:
      72             :     CachedCmap(const Face &);
      73             :     virtual ~CachedCmap() throw();
      74             :     virtual uint16 operator [] (const uint32 usv) const throw();
      75             :     virtual operator bool () const throw();
      76           0 :     CLASS_NEW_DELETE;
      77             : private:
      78             :     bool m_isBmpOnly;
      79             :     uint16 ** m_blocks;
      80             : };
      81             : 
      82             : } // namespace graphite2