/*************************************************************************** * * Copyright (C) 1998-2006, International Business Machines * Corporation and others. All Rights Reserved. * ************************************************************************/ #ifndef __CMAPS_H #define __CMAPS_H #include "layout/LETypes.h" #include "letest.h" #include "sfnt.h" HB_BEGIN_VISIBILITY class CMAPMapper { public: virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const = 0; virtual ~CMAPMapper(); static CMAPMapper *createUnicodeMapper(const CMAPTable *cmap); protected: CMAPMapper(const CMAPTable *cmap); CMAPMapper() {}; private: const CMAPTable *fcmap; }; class CMAPFormat4Mapper : public CMAPMapper { public: CMAPFormat4Mapper(const CMAPTable *cmap, const CMAPFormat4Encoding *header); virtual ~CMAPFormat4Mapper(); virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const; protected: CMAPFormat4Mapper() {}; private: le_uint16 fEntrySelector; le_uint16 fRangeShift; const le_uint16 *fEndCodes; const le_uint16 *fStartCodes; const le_uint16 *fIdDelta; const le_uint16 *fIdRangeOffset; }; class CMAPGroupMapper : public CMAPMapper { public: CMAPGroupMapper(const CMAPTable *cmap, const CMAPGroup *groups, le_uint32 nGroups); virtual ~CMAPGroupMapper(); virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const; protected: CMAPGroupMapper() {}; private: le_int32 fPower; le_int32 fRangeOffset; const CMAPGroup *fGroups; }; inline CMAPMapper::CMAPMapper(const CMAPTable *cmap) : fcmap(cmap) { // nothing else to do } inline CMAPMapper::~CMAPMapper() { } HB_END_VISIBILITY #endif