[apple/icu.git] / icuSources / samples / layout / FontTableCache.h

/*
 **********************************************************************
 *   Copyright (C) 2003-2008, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 */

#ifndef __FONTTABLECACHE_H

#define __FONTTABLECACHE_H

#include "layout/LETypes.h"

struct FontTableCacheEntry;

class FontTableCache
{
public:
    FontTableCache();

    virtual ~FontTableCache();

    const void *find(LETag tableTag) const;

protected:
    virtual const void *readFontTable(LETag tableTag) const = 0;
    virtual void freeFontTable(const void *table) const;

private:

    void add(LETag tableTag, const void *table);

    FontTableCacheEntry *fTableCache;
    le_int32 fTableCacheCurr;
    le_int32 fTableCacheSize;
};

#endif
Commit	Line	Data
b75a7d8f A	1	/*
b75a7d8f A	2	**********************************************************************
46f4442e	3	* Copyright (C) 2003-2008, International Business Machines
b75a7d8f A	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	struct FontTableCacheEntry;
	15
	16	class FontTableCache
	17	{
	18	public:
	19	FontTableCache();
	20
	21	virtual ~FontTableCache();
	22
	23	const void *find(LETag tableTag) const;
	24
	25	protected:
	26	virtual const void *readFontTable(LETag tableTag) const = 0;
46f4442e	27	virtual void freeFontTable(const void *table) const;
b75a7d8f A	28
	29	private:
	30
	31	void add(LETag tableTag, const void *table);
	32
	33	FontTableCacheEntry *fTableCache;
	34	le_int32 fTableCacheCurr;
	35	le_int32 fTableCacheSize;
	36	};
	37
	38	#endif
	39