64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
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/*
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* Font Cache
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*/
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#ifndef DUI_BASE_FONTCACHE_H_INCLUDED
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#define DUI_BASE_FONTCACHE_H_INCLUDED
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#pragma once
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namespace DirectUI
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{
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// Supported styles
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#define FS_None 0x00000000
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#define FS_Italic 0x00000001
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#define FS_Underline 0x00000002
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#define FS_StrikeOut 0x00000004
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class FontCache
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{
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public:
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static HRESULT Create(UINT uCacheSize, OUT FontCache** ppCache);
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void Destroy();
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HFONT CheckOutFont(LPWSTR szFamily, int dSize, int dWeight, int dStyle, int dAngle);
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void CheckInFont() { _fLock = false; }
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struct FontRecord
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{
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HFONT hFont;
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WCHAR szFamily[LF_FACESIZE];
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int dSize;
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int dWeight;
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int dStyle;
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int dAngle;
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UINT uHits;
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};
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struct RecordIdx // Array sorted by frequency of use
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{
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FontCache* pfcContext; // Context used for global sort routine
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UINT idx; // Refers to a FontRecord location
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};
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UINT _GetRecordHits(UINT uRec) { return (_pDB + uRec)->uHits; }
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FontCache() {}
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HRESULT Initialize(UINT uCacheSize);
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virtual ~FontCache();
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private:
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bool _fLock;
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UINT _uCacheSize;
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FontRecord* _pDB; // Array of cached records
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RecordIdx* _pFreq; // Array of sorted record indicies by frequency of use
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};
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} // namespace DirectUI
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#endif // DUI_BASE_FONTCACHE_H_INCLUDED
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