void wkGetGlyphAdvances(CGFontRef, const CGAffineTransform&, bool isSystemFont, bool isPrinterFont, CGGlyph, CGSize& advance);
void wkGetGlyphs(CGFontRef, const UChar[], CGGlyph[], size_t count);
void wkSetUpFontCache(size_t s);
void wkGetGlyphAdvances(CGFontRef, const CGAffineTransform&, bool isSystemFont, bool isPrinterFont, CGGlyph, CGSize& advance);
void wkGetGlyphs(CGFontRef, const UChar[], CGGlyph[], size_t count);
void wkSetUpFontCache(size_t s);