icuSources/test/perf/leperf/FontTableCache.h

   1 /*
   2  **********************************************************************
   3  *   Copyright (C) 2003-2013, 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, size_t &length) const;
  26
  27 protected:
  28     virtual const void *readFontTable(LETag tableTag, size_t &length) const = 0;
  29     virtual void freeFontTable(const void *table) const;
  30
  31 private:
  32
  33     void add(LETag tableTag, const void *table, size_t length);
  34
  35     FontTableCacheEntry *fTableCache;
  36     le_int32 fTableCacheCurr;
  37     le_int32 fTableCacheSize;
  38 };
  39
  40 #endif
  41