Home | History | Annotate | Download | only in letest
      1 /*
      2  **********************************************************************
      3  *   Copyright (C) 2003-2008, International Business Machines
      4  *   Corporation and others.  All Rights Reserved.
      5  **********************************************************************
      6  */
      7 
      8 #ifndef __FONTTABLECACHE_H
      9 
     10 #define __FONTTABLECACHE_H
     11 
     12 #include "layout/LETypes.h"
     13 
     14 U_NAMESPACE_USE
     15 
     16 struct FontTableCacheEntry;
     17 
     18 class FontTableCache
     19 {
     20 public:
     21     FontTableCache();
     22 
     23     virtual ~FontTableCache();
     24 
     25     const void *find(LETag tableTag) const;
     26 
     27 protected:
     28     virtual const void *readFontTable(LETag tableTag) const = 0;
     29     virtual void freeFontTable(const void *table) const;
     30 
     31 private:
     32 
     33     void add(LETag tableTag, const void *table);
     34 
     35     FontTableCacheEntry *fTableCache;
     36     le_int32 fTableCacheCurr;
     37     le_int32 fTableCacheSize;
     38 };
     39 
     40 #endif
     41 
     42