99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
/*
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* %W% %E%
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*
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* (C) Copyright IBM Corp. 1998 - All Rights Reserved
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*
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* Portions Copyright 1998 by Sun Microsystems, Inc.,
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* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
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* All rights reserved.
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*
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* This software is the confidential and proprietary information
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* of Sun Microsystems, Inc. ("Confidential Information"). You
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* shall not disclose such Confidential Information and shall use
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* it only in accordance with the terms of the license agreement
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* you entered into with Sun.
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*
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* The original version of this source code and documentation is
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* copyrighted and owned by IBM. These materials are provided
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* under terms of a License Agreement between IBM and Sun.
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* This technology is protected by multiple US and International
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* patents. This notice and attribution to IBM may not be removed.
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*/
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#ifndef __CMAPS_H
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#define __CMAPS_H
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#include "LETypes.h"
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#include "sfnt.h"
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class CMAPMapper
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{
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public:
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virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const = 0;
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virtual ~CMAPMapper();
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static CMAPMapper *createUnicodeMapper(const CMAPTable *cmap);
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protected:
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CMAPMapper(const CMAPTable *cmap);
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CMAPMapper() {};
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private:
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const CMAPTable *fcmap;
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};
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class CMAPFormat4Mapper : public CMAPMapper
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{
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public:
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CMAPFormat4Mapper(const CMAPTable *cmap, const CMAPFormat4Encoding *header);
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virtual ~CMAPFormat4Mapper();
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virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const;
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protected:
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CMAPFormat4Mapper() {};
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private:
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le_uint16 fEntrySelector;
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le_uint16 fRangeShift;
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const le_uint16 *fEndCodes;
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const le_uint16 *fStartCodes;
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const le_uint16 *fIdDelta;
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const le_uint16 *fIdRangeOffset;
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};
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class CMAPGroupMapper : public CMAPMapper
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{
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public:
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CMAPGroupMapper(const CMAPTable *cmap, const CMAPGroup *groups, le_uint32 nGroups);
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virtual ~CMAPGroupMapper();
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virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const;
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protected:
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CMAPGroupMapper() {};
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private:
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le_int32 fPower;
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le_int32 fRangeOffset;
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const CMAPGroup *fGroups;
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};
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inline CMAPMapper::CMAPMapper(const CMAPTable *cmap)
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: fcmap(cmap)
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{
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// nothing else to do
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}
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inline CMAPMapper::~CMAPMapper()
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{
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delete[] (char *) fcmap;
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}
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#endif
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