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 #define HB_H_IN 13 #include <hb-blob.h> 14 15 #include "layout/LETypes.h" 16 #include "letest.h" 17 18 HB_BEGIN_VISIBILITY 19 20 U_NAMESPACE_USE 21 22 struct FontTableCacheEntry; 23 24 class FontTableCache 25 { 26 public: 27 FontTableCache(); 28 29 virtual ~FontTableCache(); 30 31 const void *find(LETag tableTag) const; 32 33 protected: 34 virtual hb_blob_t *readFontTable(LETag tableTag) const = 0; 35 virtual void freeFontTable(hb_blob_t *blob) const; 36 37 private: 38 39 void add(LETag tableTag, hb_blob_t *blob); 40 41 FontTableCacheEntry *fTableCache; 42 le_int32 fTableCacheCurr; 43 le_int32 fTableCacheSize; 44 }; 45 46 HB_END_VISIBILITY 47 48 #endif 49
