1 // © 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 ********************************************************************** 5 * Copyright (C) 2003-2013, International Business Machines 6 * Corporation and others. All Rights Reserved. 7 ********************************************************************** 8 */ 9 10 #ifndef __FONTTABLECACHE_H 11 12 #define __FONTTABLECACHE_H 13 14 #include "layout/LETypes.h" 15 16 U_NAMESPACE_USE 17 18 struct FontTableCacheEntry; 19 20 class FontTableCache 21 { 22 public: 23 FontTableCache(); 24 25 virtual ~FontTableCache(); 26 27 const void *find(LETag tableTag, size_t &length) const; 28 29 protected: 30 virtual const void *readFontTable(LETag tableTag, size_t &length) const = 0; 31 virtual void freeFontTable(const void *table) const; 32 33 private: 34 35 void add(LETag tableTag, const void *table, size_t length); 36 37 FontTableCacheEntry *fTableCache; 38 le_int32 fTableCacheCurr; 39 le_int32 fTableCacheSize; 40 }; 41 42 #endif 43 44