fontservices/textshaperplugin/IcuSource/layout/PairPositioningSubtables.h
author Monotype Imaging Inc. <geoff.greve@monotypeimaging.com
Tue, 09 Mar 2010 14:23:10 +0000
branchRCL_3
changeset 8 030b3432fbe0
parent 0 1fb32624e06b
permissions -rw-r--r--
MYuppy TrueType GB2312 font from Monotype Imaging Inc. (Bug 1899) MYuppyGB-Medium Format - TTF TrueType Character set - GB2312 Encoding - Unicode This font was designed to appeal to young urban professionals, Monotype Yuppy is a newly designed typeface with a unique, modern feel. The design combines elements of handwriting with classic letterform characteristics, such as open shapes and proper proportions that help the typeface retain legibility.

/*
 *
 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
 *
 */

#ifndef __PAIRPOSITIONINGSUBTABLES_H
#define __PAIRPOSITIONINGSUBTABLES_H

/**
 * \file
 * \internal
 */

#include "LETypes.h"
#include "LEFontInstance.h"
#include "OpenTypeTables.h"
#include "GlyphPositioningTables.h"
#include "ValueRecords.h"
#include "GlyphIterator.h"

U_NAMESPACE_BEGIN

// NOTE: ValueRecord has a variable size
struct PairValueRecord
{
    TTGlyphID     secondGlyph;
    ValueRecord valueRecord1;
//  ValueRecord valueRecord2;
};

struct PairSetTable
{
    le_uint16       pairValueCount;
    PairValueRecord pairValueRecordArray[ANY_NUMBER];
};

struct PairPositioningSubtable : GlyphPositioningSubtable
{
    ValueFormat valueFormat1;
    ValueFormat valueFormat2;

    le_uint32  process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
};

struct PairPositioningFormat1Subtable : PairPositioningSubtable
{
    le_uint16   pairSetCount;
    Offset      pairSetTableOffsetArray[ANY_NUMBER];

    le_uint32  process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;

private:
    const PairValueRecord *findPairValueRecord(TTGlyphID glyphID, const PairValueRecord *records,
        le_uint16 recordCount, le_uint16 recordSize) const;
};

// NOTE: ValueRecord has a variable size
struct Class2Record
{
    ValueRecord valueRecord1;
//  ValueRecord valurRecord2;
};

struct Class1Record
{
    Class2Record class2RecordArray[ANY_NUMBER];
};

struct PairPositioningFormat2Subtable : PairPositioningSubtable
{
    Offset       classDef1Offset;
    Offset       classDef2Offset;
    le_uint16    class1Count;
    le_uint16    class2Count;
    Class1Record class1RecordArray[ANY_NUMBER];

    le_uint32  process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
};

U_NAMESPACE_END
#endif