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      1 /*
      2  *************************************************************************
      3  *    2016 and later: Unicode, Inc. and others.
      4  *   License & terms of use: http://www.unicode.org/copyright.html#License
      5  *************************************************************************
      6  **********************************************************************
      7  *   Copyright (C) 2003-2008, International Business Machines
      8  *   Corporation and others.  All Rights Reserved.
      9  **********************************************************************
     10  */
     11 
     12 #ifndef __FONTTABLECACHE_H
     13 
     14 #define __FONTTABLECACHE_H
     15 
     16 #include "layout/LETypes.h"
     17 
     18 struct FontTableCacheEntry;
     19 
     20 class FontTableCache
     21 {
     22 public:
     23     FontTableCache();
     24 
     25     virtual ~FontTableCache();
     26 
     27     const void *find(LETag tableTag) const;
     28 
     29 protected:
     30     virtual const void *readFontTable(LETag tableTag) const = 0;
     31     virtual void freeFontTable(const void *table) const;
     32 
     33 private:
     34 
     35     void add(LETag tableTag, const void *table);
     36 
     37     FontTableCacheEntry *fTableCache;
     38     le_int32 fTableCacheCurr;
     39     le_int32 fTableCacheSize;
     40 };
     41 
     42 #endif
     43 
     44