114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
/*****************************************************************************
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* Module Name: fontfilecache.hpp
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*
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* Font File Cahce for GDI+.
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*
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* History:
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*
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* 11-9-99 Yung-Jen Tony Tsai Wrote it.
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*
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* Copyright (c) 1999-2000 Microsoft Corporation
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*****************************************************************************/
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#ifndef _FONTFILECACHE_
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#if DBG
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#include <mmsystem.h>
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#endif
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#define _FONTFILECACHE_
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// For system fonts do not include in font reg
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#define QWORD_ALIGN(x) (((x) + 7L) & ~7L)
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#define SZ_FONTCACHE_HEADER() QWORD_ALIGN(sizeof(FONTFILECACHEHEADER))
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// 3 modes of font boot cache operation
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#define FONT_CACHE_CLOSE_MODE 0x0
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#define FONT_CACHE_LOOKUP_MODE 0x1
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#define FONT_CACHE_CREATE_MODE 0x2
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#define FONT_CACHE_ERROR_MODE 0x3
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#define FONT_CACHE_MASK (FONT_CACHE_LOOKUP_MODE | FONT_CACHE_CREATE_MODE)
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typedef struct _FONTFILECACHEHEADER
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{
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ULONG CheckSum;
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ULONG ulMajorVersionNumber;
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ULONG ulMinorVersionNumber;
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ULONG ulLanguageID; // For NT5 or later version
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ULONG ulFileSize; // total size of fntcache.dat
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ULONG ulDataSize;
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ULARGE_INTEGER FntRegLWT;
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} FONTFILECACHEHEADER;
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typedef struct _FONTFILECACHE
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{
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FONTFILECACHEHEADER *pFile;
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HANDLE hFile; // Handle of file of font file cache
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HANDLE hFileMapping; // Handle of file mapping
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HMODULE hShFolder;
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ULONG cjFileSize; // size of font file cache
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PBYTE pCacheBuf; // read pointers point to the old table
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BOOL bReadFromRegistry;
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} FONTFILECACHE;
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VOID InitFontFileCache();
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FLONG GetFontFileCacheState();
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VOID vCloseFontFileCache();
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VOID FontFileCacheFault();
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PVOID FontFileCacheAlloc(ULONG ulSize);
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PVOID FontFileCacheLookUp(ULONG *pcjData);
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BOOL FontFileCacheReadRegistry();
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#if DBG
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class MyTimer
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{
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public:
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MyTimer()
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{
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// Set the timer resolution to 1ms
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timerOn = TRUE;
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if (timeBeginPeriod(1) == TIMERR_NOCANDO)
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{
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WARNING(("The multimedia timer doesn't work"));
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timerOn=FALSE;
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}
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start = timeGetTime();
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}
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~MyTimer() {}
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DWORD GetElapsedTime(void)
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{
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DWORD elapsed = 0;
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if (timerOn)
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{
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end = timeGetTime();
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elapsed = end-start;
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timeEndPeriod(1);
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}
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return elapsed;
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}
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BOOL On(void)
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{
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return (timerOn);
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}
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private:
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BOOL timerOn;
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DWORD start, end;
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};
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#endif
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#endif
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